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Home > Products > Circuit Protection > Transient Voltage Suppressors (TVS) - TVS Diodes > P6KE39A A0G
Taiwan Semiconductor Corporation
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P6KE39A A0G

Manufacturer Part Number:
P6KE39A A0G
Manufacturer / Brand
Taiwan Semiconductor Corporation
Part of Description:
TVS DIODE 33.3VWM 53.9VC DO204AC
Datasheets:
P6KE39A A0G.pdf
Lead Free Status / RoHS Status:
ROHS3 Compliant
Stock Condition:
New original, 45473 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

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Part Number P6KE39A A0G
Manufacturer / Brand Taiwan Semiconductor Corporation
Stock Quantity 45473 pcs Stock
Category Circuit Protection > Transient Voltage Suppressors (TVS) - TVS Diodes
Description TVS DIODE 33.3VWM 53.9VC DO204AC
Lead Free Status / RoHS Status: ROHS3 Compliant
Voltage - Reverse Standoff (Typ) 33.3V
Voltage - Clamping (Max) @ Ipp 53.9V
Voltage - Breakdown (Min) 37.1V
Unidirectional Channels 1
Type Zener
Supplier Device Package DO-204AC (DO-15)
Series P6KE
Power Line Protection No
Power - Peak Pulse 600W
Package / Case DO-204AC, DO-15, Axial
Package Tape & Box (TB)
Operating Temperature -55°C ~ 175°C (TJ)
Mounting Type Through Hole
Current - Peak Pulse (10/1000µs) 11.6A
Capacitance @ Frequency -
Base Product Number P6KE39
Applications General Purpose

Packaging & ESD

Industry-standard static shielding packaging is used for electronic components.Anti-static, light-transparent materials allow easy identification of ICs and PCB assemblies.
The packaging structure provides electrostatic protection based on Faraday cage principles.This helps protect sensitive components from static discharge during handling and transportation.


All products are packed in ESD-safe anti-static packaging. Outer packaging labels include part number, brand, and quantity for clear identification. Goods are inspected prior to shipment to ensure proper condition and authenticity.

ESD protection is maintained throughout packing, handling, and global transportation. Secure packaging provides reliable sealing and resistance during transit. Additional cushioning materials are applied when required to protect sensitive components.

QC(Part Testing by IC Components)Quality Warranty

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Global Shipment by DHL/FedEx/TNT/UPS

Shipping Fees reference DHL/FedEx
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2). Use our account for shipment, Shipment charges(Reference DHL/FedEx, Different Countries has different price.)
Shipment charges： (Reference DHL and FedEX)
Weight(KG): 0.00kg-1.00kg Price(USD$) : USD$60.00
Weight(KG): 1.00kg-2.00kg Price(USD$) : USD$80.00
* The price of cost is reference with DHL/FedEx. The detail charges, please contact us. Different country the express charges are different.



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Frequently Asked Questions

What are the key design considerations when integrating the P6KE39A TVS diode for protecting a 24V or 28V DC power rail in an industrial control system?
The P6KE39A features a 33.3V reverse standoff voltage and 37.1V minimum breakdown, providing margin above typical 24-28V nominal rails while allowing normal operation without leakage concerns under steady-state conditions. During integration, place the P6KE39A in parallel as close as possible to the protected node with short trace lengths under 5mm to minimize parasitic inductance. The unidirectional configuration clamps positive transients up to 53.9V at 11.6A peak pulse current while conducting forward like a standard diode for negative excursions around 0.7V.
How does the P6KE39A behave in terms of power derating when used in high ambient temperature environments up to 150°C or higher in long-term industrial deployments?
The P6KE39A supports an operating junction temperature range of -55°C to 175°C, with peak pulse power of 600W specified at 25°C and requiring derating for elevated temperatures based on the device's thermal resistance from junction to ambient in the DO-204AC package. In practice, engineers calculate the allowable pulse energy reduction using standard TVS derating curves to maintain reliability margins over extended operation cycles in enclosed or high-temperature assemblies.
Can the P6KE39A replace a 1.5KE39A or similar higher-power TVS in an existing through-hole design, and what are the practical differences?
The P6KE39A and 1.5KE39A share the same standoff voltage of 33.3V, breakdown characteristics around 37.1V minimum, and clamping at 53.9V, but the P6KE39A is rated for 600W peak pulse power with 11.6A Ipp compared to the higher 1500W capability of the 1.5KE series in a larger DO-201 package. Migration may require verifying that the expected transient energy stays within the 600W limit of the P6KE39A to avoid exceeding its thermal capacity in the smaller DO-204AC axial package.
Is the P6KE39A suitable for protecting low-speed I/O lines or control signals versus high-speed data interfaces, and what boundaries apply?
The P6KE39A is generally applied in general-purpose transient suppression scenarios such as power inputs or slower control lines where its junction behavior aligns with moderate frequency requirements. For higher-speed data interfaces, the associated capacitance and clamping dynamics may introduce considerations that lead designers toward lower-capacitance alternatives to preserve signal integrity.
What configuration and polarity aspects should engineers evaluate when considering the P6KE39A for DC power supply protection versus AC-coupled or bidirectional transient environments?
As a unidirectional Zener-type TVS, the P6KE39A clamps effectively in the reverse direction above breakdown while providing forward diode conduction for negative polarity events. In DC power supply designs with primarily positive voltages, this matches the protection profile; in applications involving symmetric positive and negative transients or AC lines, a bidirectional counterpart may align better with the voltage swing without relying on the forward diode characteristic.
When migrating from P6KE series devices like the P6KE39A to surface-mount equivalents such as P6SMB39A in a new PCB layout, what layout and performance factors come into play?
Both the P6KE39A in DO-204AC through-hole and P6SMB39A in DO-214AA SMB package maintain comparable 600W ratings and clamping around 53.9V, but the surface-mount version requires attention to pad geometry, thermal vias for heat dissipation, and solder joint reliability under thermal cycling. The axial P6KE39A offers straightforward hand-soldering or wave-soldering compatibility in legacy or high-power-density through-hole assemblies.
How do long-term reliability factors such as repeated surge exposure affect the P6KE39A in industrial equipment expected to operate for 10+ years?
The P6KE39A is designed to handle non-repetitive 10/1000µs pulses up to its rated 11.6A Ipp, with performance governed by the number and energy of transients encountered over the equipment lifetime. Engineers often model cumulative stress using waveform-specific energy calculations and apply conservative design margins on pulse count and amplitude to align device behavior with the application's expected transient profile in harsh environments.
What supply voltage and clamping margin considerations arise when using the P6KE39A to safeguard sensitive 33V or 36V logic or sensor interfaces?
With a 33.3V typical standoff, the P6KE39A remains in a high-impedance state during normal 33-36V operation, activating only when voltage exceeds the 37.1V minimum breakdown threshold and limiting peaks to 53.9V. This provides a defined protection window that designers verify against the absolute maximum ratings of downstream components to ensure the clamped level stays within safe operating bounds during surge events.
Are there specific mounting or thermal management practices recommended for the P6KE39A in high-vibration industrial settings with through-hole assembly?
The DO-204AC axial package of the P6KE39A benefits from standard through-hole mounting with lead forming or additional mechanical support to withstand vibration. Thermal performance depends on lead length and board copper area, where shorter leads and adequate copper pours help transfer heat away from the junction during transient events while maintaining mechanical integrity over extended operational life.
When evaluating alternatives to the Taiwan Semiconductor P6KE39A, what trade-offs appear with other P6KE39A variants from different manufacturers in terms of consistency?
Devices labeled P6KE39A across manufacturers share core parameters including 33.3V standoff, 37.1V min breakdown, and 53.9V max clamp at 11.6A, yet subtle variations in dynamic resistance, leakage, or pulse handling margins may exist. Validation against the specific application's worst-case transient waveform and temperature profile helps determine interchangeability without altering the overall protection strategy.

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P6KE39A A0G

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Taiwan Semiconductor Corporation

TVS DIODE 33.3VWM 53.9VC DO204AC

In Stock: 45473

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