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Home > Products > Resistors > Chip Resistor - Surface Mount > ESR01MZPJ430
Rohm Semiconductor
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ESR01MZPJ430

In Stock 9680 pcs Reference Price(In US Dollars)
1+
$0.0416
200+
$0.0166
500+
$0.0161
1000+
$0.0158
Manufacturer Part Number:
ESR01MZPJ430
Manufacturer / Brand
Rohm Semiconductor
Part of Description:
ANTI-SURGE CHIP RESISTORS
Datasheets:
ESR01MZPJ430.pdf
Lead Free Status / RoHS Status:
ROHS3 Compliant
Stock Condition:
New original, 9680 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

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Part Number ESR01MZPJ430
Manufacturer / Brand Rohm Semiconductor
Stock Quantity 9680 pcs Stock
Category Resistors > Chip Resistor - Surface Mount
Description ANTI-SURGE CHIP RESISTORS
Lead Free Status / RoHS Status: ROHS3 Compliant
Tolerance ±5%
Temperature Coefficient ±200ppm/°C
Supplier Device Package 0402
Size / Dimension 0.039" L x 0.020" W (1.00mm x 0.50mm)
Series ESR
Resistance 43 Ohms
Ratings AEC-Q200
Power (Watts) 0.2W, 1/5W
Package / Case 0402 (1005 Metric)
Package Tape & Reel (TR)
Operating Temperature -55°C ~ 155°C
Number of Terminations 2
Height - Seated (Max) 0.016" (0.40mm)
Features Automotive AEC-Q200, Pulse Withstanding
Failure Rate -
Composition Thick Film

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

We can offer worldwide express delivery service, such as DHLor FedEx or TNT or UPS or other forwarder for shipment.

Global Shipment by DHL/FedEx/TNT/UPS

Shipping Fees reference DHL/FedEx
1). You can offer your express delivery account for shipment, ifyou haven’t any express account for shipment, we can offer our account inadvance.
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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Company Name : IC COMPONENTS LTD Beneficiary Account Number : 549-100669-701
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Beneficiary Bank Address : Tsuen Wan Market Street Branch 53 Market Street, Tsuen Wan N.T., Hong Kong

Any inquires or questions, please kindly contact us Email: Info@IC-Components.com


Frequently Asked Questions

Can ESR01MZPJ430 replace a standard 0402 43 ohm resistor in an automotive surge or pulse circuit?
Yes, ESR01MZPJ430 is often used where a small 43 ohm resistor must tolerate repetitive pulse energy better than a general-purpose thick-film part. It is a good fit for damping, transient limiting, or input isolation, but you should verify the actual surge waveform, repetition rate, and average dissipation before swapping it into an existing design.
Is ESR01MZPJ430 suitable for inrush current limiting, or do I need a different resistor type?
ESR01MZPJ430 can work for moderate inrush or pulse-limiting roles when the energy per event and the duty cycle stay within the resistor's pulse-withstanding capability. If the circuit has frequent capacitor-charging pulses, inductive kick, or hot-plug events, check the peak current and pulse width rather than relying only on the 0.2 W steady-state rating.
Can I use ESR01MZPJ430 directly on 5 V, 12 V, or 24 V rails?
ESR01MZPJ430 is fine on low-voltage rails when the continuous power stays low, but it is not a general-purpose power-drop resistor. A 43 ohm part across a 24 V rail would dissipate far more than a 0402 device can handle continuously, so it is better suited to signal-level series use, damping, or limited-duty pulse applications.
What PCB footprint and layout practices help ESR01MZPJ430 survive surge and vibration?
ESR01MZPJ430 should be placed on a standard 0402 footprint with symmetrical pads to reduce solder joint imbalance and tombstoning risk. For pulse-heavy nodes, keep traces short and the return path low inductance, and avoid mounting the part near board edges, connectors, or flex-prone areas where mechanical stress can add to thermal stress.
Is ESR01MZPJ430 appropriate for automotive or industrial equipment that runs for many years?
ESR01MZPJ430 is designed for harsh-environment use and carries AEC-Q200: qualification, with an operating range of -55 C to 155 C. In long-life systems, the practical check is board hot-spot temperature and derating, because the local temperature around regulators, power stages, or enclosed modules can be much higher than ambient.
What should I compare when replacing ESR01MZPJ430 with another 43 ohm 0402 resistor?
When replacing ESR01MZPJ430, compare pulse-withstanding behavior, qualification level, temperature coefficient, and termination reliability, not just resistance and package size. A general-purpose 0402 thick-film resistor may fit the footprint but behave differently under surge, so a direct substitute should be chosen from a pulse-rated or automotive-qualified family if the circuit sees transients.
Can ESR01MZPJ430 be used for gate resistors, signal damping, or bias networks?
Yes, ESR01MZPJ430 is a practical choice for gate damping, edge shaping, series isolation, and other non-precision network functions. It is less suitable for precision analog gain or reference paths because the ±5% tolerance and ±200 ppm/C temperature coefficient can shift operating points more than a tighter-value resistor would.
How does ESR01MZPJ430 behave at high ambient temperature, and what derating should I expect?
ESR01MZPJ430 can operate up to 155 C, but its usable power margin shrinks as ambient and board temperature rise. If the resistor sits near warm components or inside a sealed enclosure, calculate dissipation using the local hot-spot temperature and expect to move to a larger package or lower power target if the design runs close to limit.
Does ESR01MZPJ430 need special moisture handling or reflow precautions?
ESR01MZPJ430 is MSL1, so it does not require special moisture bake or floor-life controls under normal storage conditions. Standard SMT practices still apply: use a controlled reflow profile, avoid excessive board flex during assembly, and keep pad heating balanced to reduce tombstoning or cracked solder joints.
Can I parallel or series-connect ESR01MZPJ430 to increase power or voltage margin?
ESR01MZPJ430 can be combined in series or parallel when the circuit goal supports it, but the result should be validated with real current and thermal sharing behavior. Series connection increases total resistance and spreads voltage, while parallel connection shares current only if layout and part tolerances are well balanced; for higher continuous power, a larger-package resistor is often easier to qualify.

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