GP10K-4006HE3/73

The Vishay General Semiconductor GP10K-4006HE3/73 is a robust general-purpose diode engineered to meet the demanding needs of power rectification in industrial and consumer electronic applications. Designed with the DO-204AL (DO-41) axial package, this diode offers a reliable solution for converting alternating current (AC) to direct current (DC) within high-voltage environments, thanks to its 800V reverse voltage rating and 1A average rectified current.

This standard recovery diode is well-suited for circuits requiring efficient switching and dependable rectification performance. Its low forward voltage drop and quick recovery time—exceeding 500 nanoseconds—enable better efficiency and reduced power dissipation during operation, making it especially advantageous in power supply converters, motor control circuits, and other switching power supply systems.

Manufactured with a silicon-based, high-quality construction, the GP10K-4006HE3/73 adheres to RoHS3 standards, ensuring environmentally conscious compliance with no restrictions under REACH regulations. Its through-hole mounting design simplifies integration into through-hole PCBs, facilitating ease of assembly and maintaining mechanical stability in various thermal and environmental conditions. Additionally, its rated junction operating temperature range and unlimited moisture sensitivity level (MSL 1) allow for versatile deployment in diverse operating environments, including those with high humidity or temperature fluctuations.

This diode’s compatibility with substitute models such as 1N4006G-T 1N4006G-T Diodes Incorporated DIODE GEN PURP 800V 1A DO41 20317 enhances flexibility in procurement and design testing. Its broad international trade classifications and compliance with ECCN EAR99 standards underscore its suitability for global distribution. Overall, the Vishay GP10K-4006HE3/73 combines technical reliability with practical versatility, optimizing power management efficiency across a spectrum of electronic systems requiring high-voltage rectification.

GP10K-4006HE3/73 (1)

GP10K-4006HE3/73 Replacement Overview and Common Substitutes

When GP10K-4006HE3/73 is unavailable, on allocation, or being replaced due to a second-source policy, the challenge is usually not finding “an 800 V diode,” but finding a part that behaves the same way in the actual rectifier position: surge current during inrush, reverse-voltage stress with mains tolerance, thermal rise in a DO-41 body, and recovery behavior that may or may not matter depending on switching frequency. For GP10K-4006HE3/73 (Vishay General Semiconductor) the most common equivalent and alternative part numbers considered in procurement and redesign discussions include:

• 1N4006G-T 1N4006G-T Diodes Incorporated DIODE GEN PURP 800V 1A DO41 20317 (commonly listed cross)
• 1N4006 1N4006 Diotec Semiconductor DIODE GEN PURP 800V 1A DO41 20000000 (family equivalents from multiple vendors)
• UF4006 UF4006 SMC Diode Solutions DIODE GEN PURP 800V 1A DO41 2000000 (fast/ultrafast alternative when recovery becomes a constraint)
• 1N4936 1N4936 Fairchild Semiconductor DIODE GEN PURP 400V 1A AXIAL 24614 (faster-recovery alternative for higher-frequency rectification)
• FR107 (fast-recovery alternative; package differences often apply)
• 1N4007 1N4007 Yangjie Technology DIODE GEN PURP 1KV 1A DO41 20000000 (higher Vr margin alternative with similar electrical class)
• GP10K-4007HE3/73 (same Vishay family with higher Vr rating)

The sections below follow an engineering selection workflow: confirm the function and stress profile of the original GP10K-4006HE3/73, identify which diode attributes are actually constraining the design, then narrow candidates by fit, electrical margins, dynamic behavior, compliance, and validation checks.

Understanding GP10K-4006HE3/73 in the Circuit (What Must Be Preserved)

GP10K-4006HE3/73 role and typical use cases

GP10K-4006HE3/73 is a standard-recovery general-purpose rectifier diode (1 A class) in a DO-204AL (DO-41) axial through-hole package. It is commonly used in:

• Mains-frequency rectification (50/60 Hz) in low-power supplies
• Reverse-polarity protection and general blocking
• Flyback/freewheel paths in low-speed switching where reverse recovery is not a limiting factor
• Voltage multiplication and high-voltage rectification chains (where leakage and reverse rating margin matter)

GP10K-4006HE3/73 constraints that usually drive replacement choice

For a GP10K-4006HE3/73 equivalent diode selection, the practical constraints typically fall into five buckets:

• Reverse-voltage margin (VrRM / Vr): The original is 800 V class. Designs connected to mains or inductive nodes can see high transient reverse stress.
• Average and surge current: “1 A average” parts can still differ widely in non-repetitive surge rating and thermal impedance, which affects inrush survivability (charging bulk capacitors, transformer energization).
• Recovery behavior: GP10K-4006HE3/73 is standard recovery (>500 ns region). At 50/60 Hz this is usually fine; in SMPS secondary rectification or fast switching clamp paths it can increase losses and EMI.
• Mechanical fit: DO-41 lead diameter, lead spacing, body length, and creepage/clearance around high voltage matter for drop-in replacement.
• Qualification/compliance: RoHS/REACH status, vendor reliability, and alternate sourcing can be as important as electrical match.

Selection Logic for a GP10K-4006HE3/73 Replacement Diode (Engineering Decision Path)

Step 1: Confirm reverse-voltage stress vs. 800 V rating

If the diode is exposed to rectified mains (e.g., 230 VAC) or an inductive kick, the reverse peak can exceed naive calculations. A replacement should maintain at least the same 800 V class, unless the design is proven to have lower reverse stress with measured waveforms and transient suppression.

Step 2: Map operating current and surge profile to diode family behavior

A “1 A axial rectifier replacement” can fail early if the application includes:

• High inrush (large bulk capacitor directly after bridge/diode)
• Repetitive surge events (motor loads, lamp loads, brownout recovery)
• Elevated ambient temperature with minimal copper/airflow

For GP10K-4006HE3/73 alternatives, check that the candidate’s average current is not only similar, but that its surge and thermal behavior matches the board’s heat dissipation conditions.

Step 3: Decide whether recovery speed matters

Standard recovery (like GP10K-4006HE3/73) is normally acceptable for:

• Line-frequency rectifiers
• Low-frequency clamp/freewheel paths

Faster diodes (UF/FR families) are usually preferred when:

• Switching edges are fast (kHz to MHz regions)
• Reverse recovery current spikes translate into EMI or MOSFET stress
• Diode losses and heat rise become limiting

Step 4: Lock in package/footprint and creepage rules

DO-204AL (DO-41) is typically a straightforward drop-in on through-hole boards, but high-voltage spacing around the body and leads can vary by vendor body length and coating. For “GP10K-4006HE3/73 DO-41 equivalent,” confirm:

• Lead diameter compatibility with plated through-hole size
• Body length/diameter does not reduce creepage to adjacent nets
• Assembly constraints (wave solder profile, lead forming)

Equivalent and Alternative Part Numbers for GP10K-4006HE3/73 (With Use Boundaries)

1N4006G-T Alternative to GP10K-4006HE3/73

Why it can replace GP10K-4006HE3/73

1N4006G-T 1N4006G-T Diodes Incorporated DIODE GEN PURP 800V 1A DO41 20317 is a common 1 A, 800 V, axial rectifier in the 1N400x family and is frequently cross-referenced as a substitute for GP10K-4006HE3/73. The functional match is strongest in mains-frequency rectification and general blocking where standard recovery behavior is acceptable.

Key differences vs. GP10K-4006HE3/73

• Vendor-specific construction and surge capability can differ, even if the headline ratings look aligned.
• Marking, qualification flow, and lot-to-lot consistency may vary by manufacturer/source associated with the “G-T” ordering code.

Applicable scenarios

• Drop-in replacement for “800 V 1 A DO-41 rectifier diode” positions
• Low-frequency rectification, reverse polarity blocking, simple clamps

Limitations and watch-outs

• In designs sensitive to surge (inrush to large capacitors), confirm non-repetitive surge current rating and thermal behavior from the specific 1N4006G-T 1N4006G-T Diodes Incorporated DIODE GEN PURP 800V 1A DO41 20317 supplier datasheet.
• If the diode is in a snubber/clamp path near a switching MOSFET, standard recovery may cause higher switching loss and EMI compared with UF/FR options.

1N4006 Equivalent Family Option to GP10K-4006HE3/73

Why it can replace GP10K-4006HE3/73

The generic 1N4006 1N4006 Diotec Semiconductor DIODE GEN PURP 800V 1A DO41 20000000 designation across major vendors typically indicates a 1 A, 800 V standard-recovery rectifier in DO-41, aligning well with GP10K-4006HE3/73 for many legacy and line-frequency designs.

Key differences vs. GP10K-4006HE3/73

• Electrical ratings are often similar in category, but reverse leakage, surge rating, and thermal resistance can differ by vendor.
• Some 1N4006 1N4006 Diotec Semiconductor DIODE GEN PURP 800V 1A DO41 20000000 offerings are optimized for cost and may have different derating curves at elevated temperature.

Applicable scenarios

• Second-sourcing for production continuity
• Maintenance replacement in through-hole equipment using DO-41 rectifiers

Limitations and watch-outs

• Treat “ 1N4006 1N4006 Diotec Semiconductor DIODE GEN PURP 800V 1A DO41 20000000 ” as a family, not a single controlled specification. Procurement should lock to an approved manufacturer part number (MPN) if surge performance, leakage, or long-term reliability is constrained.

1N4007 Alternative to GP10K-4006HE3/73 (Higher Reverse Voltage Margin)

Why it can replace GP10K-4006HE3/73

1N4007 1N4007 Yangjie Technology DIODE GEN PURP 1KV 1A DO41 20000000 is typically the same 1 A standard-recovery class but with a higher reverse-voltage rating (commonly 1000 V class). When the original 800 V rating is close to measured peak reverse stress (including transients), 1N4007 1N4007 Yangjie Technology DIODE GEN PURP 1KV 1A DO41 20000000 can provide additional voltage margin without changing topology.

Key differences vs. GP10K-4006HE3/73

• Higher Vr rating; forward drop and leakage may be slightly different depending on vendor/process.
• Dynamic behavior remains standard recovery; it does not solve reverse-recovery-related switching stress.

Applicable scenarios

• Mains rectification with uncertain transient environment
• High-voltage blocking with added reverse margin, while keeping a DO-41 footprint

Limitations and watch-outs

• Increased Vr does not guarantee equal surge robustness; verify surge ratings and thermal conditions.
• If the original selection was tuned around leakage at high temperature, verify leakage at operating junction temperature for the specific 1N4007 1N4007 Yangjie Technology DIODE GEN PURP 1KV 1A DO41 20000000 supplier.

GP10K-4007HE3/73 Alternative to GP10K-4006HE3/73 (Same Vishay Family)

Why it can replace GP10K-4006HE3/73

GP10K-4007HE3/73 is within the same Vishay GP10K family and commonly represents the same package and class with higher reverse-voltage capability. This is often the lowest-risk option when maintaining vendor consistency, qualification approach, and mechanical characteristics.

Key differences vs. GP10K-4006HE3/73

• Higher reverse-voltage rating class; other parameters may be similar but should still be confirmed per datasheet revision.
• Availability and cost may differ from GP10K-4006HE3/73.

Applicable scenarios

• Designs requiring minimal requalification effort and consistent sourcing from Vishay
• BOM consolidation where a single higher-Vr diode replaces multiple 1N400x/GP10K variants

Limitations and watch-outs

• If the existing design is optimized for cost and high volume, moving to a higher Vr part may affect unit cost or supply chain.
• Re-check creepage/clearance assumptions remain valid for the same package style and body dimensions.

UF4006 Alternative to GP10K-4006HE3/73 (Faster Recovery Option)

Why it can replace GP10K-4006HE3/73

UF4006 UF4006 SMC Diode Solutions DIODE GEN PURP 800V 1A DO41 2000000 is commonly an “ultrafast” diode with the same general current and reverse-voltage class (1 A, 800 V family) but with much faster reverse recovery than standard 1N4006 1N4006 Diotec Semiconductor DIODE GEN PURP 800V 1A DO41 20000000 /GP10K-4006HE3/73. It can reduce reverse recovery current spikes in higher-frequency rectification or fast clamp circuits.

Key differences vs. GP10K-4006HE3/73

• Reverse recovery is substantially faster, typically reducing switching loss and EMI coupling in fast-edge environments.
• Forward drop and leakage can differ; some ultrafast processes trade off leakage vs. recovery performance.

Applicable scenarios

• Replacing GP10K-4006HE3/73 in auxiliary supply rectification fed by high-frequency windings
• Snubber, clamp, or bootstrap-related paths where diode recovery impacts waveforms
• Cases where a “fast recovery DO-41 800V 1A diode replacement” is needed without changing the footprint

Limitations and watch-outs

• Faster recovery can increase dv/dt-related ringing in some layouts because the diode stops conducting more abruptly; check EMI and overshoot.
• Not all UF4006 UF4006 SMC Diode Solutions DIODE GEN PURP 800V 1A DO41 2000000 parts share identical thermal limits; verify the specific UF4006 UF4006 SMC Diode Solutions DIODE GEN PURP 800V 1A DO41 2000000 manufacturer datasheet and derating.

1N4936 Alternative to GP10K-4006HE3/73 (Faster Recovery, Similar Class)

Why it can replace GP10K-4006HE3/73

1N4936 1N4936 Fairchild Semiconductor DIODE GEN PURP 400V 1A AXIAL 24614 is often used as a faster-recovery rectifier alternative in applications that outgrow standard recovery. Depending on vendor, it may offer improved recovery behavior compared with GP10K-4006HE3/73 while maintaining an axial through-hole implementation.

Key differences vs. GP10K-4006HE3/73

• Typically faster recovery than standard rectifiers, benefiting switching and reducing reverse recovery stress on upstream switches.
• Ratings and package may vary across sources; some 1N493x parts differ in Vr class and surge robustness.

Applicable scenarios

• Upgrading a GP10K-4006HE3/73 position in moderately fast rectification/clamp circuits
• Designs where a “faster recovery 1A axial diode alternative” is preferred but UF parts are not qualified

Limitations and watch-outs

• Confirm the exact 1N4936 1N4936 Fairchild Semiconductor DIODE GEN PURP 400V 1A AXIAL 24614 variant’s reverse-voltage rating aligns with the original 800 V requirement.
• If the BOM previously relied on a DO-41 mechanical envelope, confirm package/lead dimensions for the chosen vendor.

FR107 Alternative to GP10K-4006HE3/73 (Fast-Recovery, Package and Rating Checks Required)

Why it can replace GP10K-4006HE3/73

FR107 is widely used as a fast-recovery rectifier in through-hole designs. In some circuits, it can serve as an alternative when recovery speed is the limiting factor rather than reverse-voltage headroom.

Key differences vs. GP10K-4006HE3/73

• Often faster recovery than GP10K-4006HE3/73.
• FR107 is frequently seen in different package styles and may not always match the 800 V reverse-voltage class depending on the exact FR107 specification used by a vendor.

Applicable scenarios

• Design variants where reverse-voltage stress is demonstrated to be within the FR107’s rated margin
• Cases where a fast-recovery diode reduces switching noise or heating

Limitations and watch-outs

• Do not assume FR107 is an 800 V diode; verify Vr rating for the chosen manufacturer.
• Mechanical fit may differ from DO-41. If the PCB footprint is locked to DO-204AL (DO-41), confirm lead form and body geometry before treating FR107 as a drop-in replacement.

Comparison Summary for GP10K-4006HE3/73 Alternatives

GP10K-4006HE3/73 baseline: 1 A class, 800 V class, standard recovery, DO-204AL (DO-41), through-hole axial.

• 1N4006G-T 1N4006G-T Diodes Incorporated DIODE GEN PURP 800V 1A DO41 20317 : Closest functional cross in the 1N4006 1N4006 Diotec Semiconductor DIODE GEN PURP 800V 1A DO41 20000000 family; best for line-frequency/general blocking; verify surge/thermal by vendor.
• 1N4006 1N4006 Diotec Semiconductor DIODE GEN PURP 800V 1A DO41 20000000 : Broad family equivalent; good for second-source when controlled by approved vendor list; performance spread across manufacturers.
• 1N4007 1N4007 Yangjie Technology DIODE GEN PURP 1KV 1A DO41 20000000 : Similar behavior with higher reverse-voltage margin; suitable when reverse stress/transients are uncertain; still standard recovery.
• GP10K-4007HE3/73: Same Vishay family with higher Vr; often lowest requalification risk; cost/availability may shift.
• UF4006 UF4006 SMC Diode Solutions DIODE GEN PURP 800V 1A DO41 2000000 : Same general class but ultrafast recovery; preferred when recovery losses/EMI matter; verify leakage/thermal by vendor.
• 1N4936 1N4936 Fairchild Semiconductor DIODE GEN PURP 400V 1A AXIAL 24614 : Faster recovery alternative (vendor-dependent); confirm Vr class and package match.
• FR107: Fast-recovery candidate only after confirming reverse-voltage rating and mechanical compatibility; not a universal drop-in for an 800 V DO-41 rectifier.

Practical Validation Methods and Design Checks After Replacing GP10K-4006HE3/73

Driver and topology compatibility checks (where applicable)

For simple rectification, there is no “driver” in the gate-driver sense, but compatibility still shows up as waveform behavior at the switching node:

• Measure diode reverse voltage waveform with the intended replacement during worst-case line and load. Confirm reverse peaks and ringing remain within the diode’s VrRM with margin.
• If the diode is connected to a transformer winding or a switching node, observe reverse recovery-related current spikes indirectly via switch-node ringing, current probe traces, or MOSFET drain current.

Thermal validation in the real assembly

• Compare diode case temperature rise at steady state under worst-case ambient and airflow. DO-41 parts from different vendors can run at different temperatures for the same load due to die size and thermal path differences.
• Validate inrush/surge heating: run repetitive power-cycle or plug-in tests (bulk capacitor charge) and check for drift in forward drop or leakage after cycling.

Waveform and EMI checks when moving from standard to fast/ultrafast (UF4006, 1N4936, FR107)

• Fast recovery can reduce reverse recovery loss but may sharpen current transitions, potentially increasing high-frequency ringing. Check snubber needs (RC across winding/diode, layout tweaks).
• Confirm that the upstream switch (if any) sees reduced or acceptable stress: measure overshoot and dV/dt at the switch node.

Electrical margin checks beyond headline ratings

• Forward conduction loss: verify forward drop at the actual operating current and temperature range; small Vf differences can change dissipation in enclosed products.
• Reverse leakage at temperature: in high-voltage bias conditions, leakage can affect standby power or divider accuracy; validate at the highest operating temperature.

Mechanical and manufacturing checks

• Confirm lead diameter fits the plated through-hole without cracking barrels during insertion.
• Confirm creepage/clearance distances around an 800 V diode in DO-41: replacement body length and coating shape can change effective spacing to nearby conductors.
• Confirm soldering profile and wave-solder dwell do not exceed the candidate’s soldering recommendations.

Risk Notes for GP10K-4006HE3/73 Replacement Decisions

• Cross-referencing by “ 1N4006 1N4006 Diotec Semiconductor DIODE GEN PURP 800V 1A DO41 20000000 equivalent” can hide vendor-to-vendor differences in surge rating and thermal derating; qualifying at least one controlled alternate MPN reduces variability.
• Substituting a fast/ultrafast diode ( UF4006 UF4006 SMC Diode Solutions DIODE GEN PURP 800V 1A DO41 2000000 / 1N4936 1N4936 Fairchild Semiconductor DIODE GEN PURP 400V 1A AXIAL 24614 /FR107) can change switching transients and EMI behavior; it is not only an efficiency change.
• Using a lower reverse-voltage diode than GP10K-4006HE3/73 in mains-adjacent circuits can lead to early failures driven by line surges, inductive events, or tolerance stacking.
• Package assumptions matter: a part number that is electrically close but not DO-204AL (DO-41) compatible can introduce assembly issues or compromise creepage at high voltage.

Conclusion: Fast Path to the Most Suitable GP10K-4006HE3/73 Replacement

Start by locking the non-negotiables: DO-204AL (DO-41) axial through-hole fit and an 800 V (or higher) reverse-voltage class for the same stress environment. If the application is line-frequency rectification or general blocking, 1N4006G-T 1N4006G-T Diodes Incorporated DIODE GEN PURP 800V 1A DO41 20317 or a controlled-vendor 1N4006 1N4006 Diotec Semiconductor DIODE GEN PURP 800V 1A DO41 20000000 is typically the closest functional replacement, while 1N4007 1N4007 Yangjie Technology DIODE GEN PURP 1KV 1A DO41 20000000 or GP10K-4007HE3/73 is a practical step when additional reverse-voltage margin is preferred. If measurements show switching-related loss, noise, or recovery-induced stress, move to a faster-recovery option such as UF4006 UF4006 SMC Diode Solutions DIODE GEN PURP 800V 1A DO41 2000000 or a verified 1N4936 1N4936 Fairchild Semiconductor DIODE GEN PURP 400V 1A AXIAL 24614 variant, then validate waveforms and EMI. Treat FR107 as a conditional alternative only after confirming its reverse-voltage rating and footprint match for the exact manufacturer source.