ESR10EZPJ393 Equivalent & Substitute Parts

Part Overview

The ESR10EZPJ393 is a 39 kOhms ±5% 0.4W thick film chip resistor in 0805 (2012 Metric) package manufactured by Rohm Semiconductor. This component is rated for automotive applications under AEC-Q200 standard with pulse withstanding capability. The part is currently active in production with 3669 units in stock.

Substitute parts are necessary when the original manufacturer discontinues production, when inventory becomes limited, or when design requirements allow for compatible alternatives that meet the same electrical and mechanical specifications.

Key Parameters

Parameter	Value
Resistance	39 kOhms
Tolerance	±5%
Power Rating	0.4W
Package / Case	0805 (2012 Metric)
Composition	Thick Film
Temperature Coefficient	±200ppm/°C
Operating Temperature Range	-55°C ~ 155°C
Automotive Rating	AEC-Q200
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following criteria:

Primary Compatibility Parameters:

Resistance value: 39 kOhms (exact match required)
Package / Case: 0805 (2012 Metric) (exact match required)
Tolerance: ±5% or tighter (±1% acceptable as upgrade)
Temperature Coefficient: ±200ppm/°C (exact match required)
Operating Temperature Range: -55°C ~ 155°C (exact match required)
Automotive Rating: AEC-Q200 (required for automotive applications)
Composition: Thick Film (exact match required)

Secondary Compatibility Parameters:

Power Rating: 0.4W or higher (0.5W acceptable as upgrade)
RoHS Status: ROHS3 Compliant (required)
Moisture Sensitivity Level: 1 (Unlimited) (required)

The substitute parts listed below meet all primary compatibility parameters. Power rating upgrades from 0.4W to 0.5W are acceptable as they provide enhanced thermal performance without affecting circuit functionality.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (Watts)	Package	Temperature Coefficient	Operating Temperature	AEC-Q200	Product Status	Height - Seated (Max)
ESR10EZPJ393	Rohm Semiconductor	39 kOhms	±5%	0.4W	0805	±200ppm/°C	-55°C ~ 155°C	Yes	Active	0.026" (0.65mm)
ERJ-P06J393V	Panasonic Electronic Components	39 kOhms	±5%	0.5W	0805	±200ppm/°C	-55°C ~ 155°C	Yes	Active	0.028" (0.70mm)
ERJ-UP6J393V	Panasonic Electronic Components	39 kOhms	±5%	0.5W	0805	±200ppm/°C	-55°C ~ 155°C	Yes	Active	0.028" (0.70mm)
ERJ-P6WJ393V	Panasonic Electronic Components	39 kOhms	±5%	0.5W	0805	±200ppm/°C	-55°C ~ 155°C	Yes	Not For New Designs	0.030" (0.75mm)
ERJ-P6WF3902V	Panasonic Electronic Components	39 kOhms	±1%	0.5W	0805	±200ppm/°C	-55°C ~ 155°C	Yes	Not For New Designs	0.030" (0.75mm)

Engineering Selection Recommendations

Primary Recommendation: ERJ-P06J393V

The ERJ-P06J393V from Panasonic Electronic Components is the preferred direct substitute. It maintains all primary compatibility parameters with the ESR10EZPJ393, including resistance, tolerance, temperature coefficient, and operating temperature range. The power rating upgrade from 0.4W to 0.5W provides improved thermal margin. This part is currently active in production with 33801 units in stock, ensuring long-term availability.

Alternative Recommendation: ERJ-UP6J393V

The ERJ-UP6J393V offers identical electrical specifications to the ERJ-P06J393V with the addition of anti-sulfur coating. This feature provides enhanced environmental protection in corrosive atmospheres. The part is active in production with 5721 units in stock. The anti-sulfur feature does not affect compatibility with the original design.

Legacy Alternatives: ERJ-P6WJ393V and ERJ-P6WF3902V

Both ERJ-P6WJ393V and ERJ-P6WF3902V are marked as "Not For New Designs" and should only be considered for replacement or repair of existing assemblies. The ERJ-P6WF3902V offers tighter tolerance (±1% versus ±5%), which may be beneficial in precision applications but is not required for compatibility with the ESR10EZPJ393 specification.

Frequently Asked Questions (FAQ)

Q: Can ERJ-P06J393V be used as a direct replacement for ESR10EZPJ393?

A: Yes. The ERJ-P06J393V meets all primary compatibility requirements: 39 kOhms resistance, ±5% tolerance, 0805 package, ±200ppm/°C temperature coefficient, -55°C to 155°C operating range, and AEC-Q200 automotive rating. The 0.5W power rating is a compatible upgrade from 0.4W.

Q: What is the difference between ERJ-P06J393V and ERJ-UP6J393V?

A: Both parts have identical electrical specifications. The ERJ-UP6J393V includes anti-sulfur coating for enhanced environmental protection. Selection between these parts depends on application environment requirements.

Q: Why are ERJ-P6WJ393V and ERJ-P6WF3902V marked "Not For New Designs"?

A: These parts are legacy products retained for existing design support and repair applications. Panasonic recommends using active production alternatives for new designs. The ERJ-P06J393V and ERJ-UP6J393V are the current production equivalents.

Q: Does the height difference between substitute parts affect PCB assembly?

A: The ESR10EZPJ393 has a maximum seated height of 0.026" (0.65mm). Substitute parts range from 0.028" to 0.030" (0.70mm to 0.75mm). These minor differences are within standard PCB design tolerances for 0805 package components and do not affect assembly or functionality.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant and have Moisture Sensitivity Level 1 (Unlimited), matching the original ESR10EZPJ393 specifications.

Q: Can ERJ-P6WF3902V be used if tighter tolerance is required?

A: Yes. The ERJ-P6WF3902V provides ±1% tolerance compared to the ±5% of the original part. This tighter tolerance is compatible with the ESR10EZPJ393 specification and may be selected when precision requirements exceed the original ±5% specification.

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