ESR25JZPJ123 Equivalent & Substitute Parts

Part Overview

The ESR25JZPJ123 is a 12 kOhms ±5% thick film chip resistor manufactured by Rohm Semiconductor in the 1210 (3225 Metric) package. This automotive-grade component features AEC-Q200 certification and pulse withstanding capability, rated for 0.667W (2/3W) power dissipation across an operating temperature range of -55°C to 155°C. The part is currently active in production with 1134 units in stock.

Equivalent and substitute parts are necessary when the original manufacturer part becomes unavailable, when supply chain optimization is required, or when design flexibility allows for alternative qualified sources meeting the same electrical and mechanical specifications.

Substiute Parts

ESR25JZPJ123

Rohm SemiconductorIn Stock: 1224ESR25JZPJ123 Datasheet

Current PartRFQ

ERJ-P14J123U

Panasonic Electronic ComponentsIn Stock: 10071ERJ-P14J123U Datasheet

DirectRFQ

CRCW121012K0JNEA

Vishay DaleIn Stock: 11186CRCW121012K0JNEA Datasheet

UpgradeRFQ

ERJ-14YJ123U

Panasonic Electronic ComponentsIn Stock: 9370ERJ-14YJ123U Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ESR25JZPJ123 is determined by the following critical parameters:

• Resistance value: 12 kOhms
• Tolerance: ±5%
• Package / Case: 1210 (3225 Metric)
• Composition: Thick Film
• Temperature Coefficient: ±200ppm/°C
• Operating Temperature Range: -55°C to 155°C
• Automotive Rating: AEC-Q200
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level: 1 (Unlimited)

All substitute parts listed meet these core electrical and mechanical parameters. Power rating variations are noted where they differ from the main part specification.

Parameter Comparison

Engineering Selection Recommendations

All three substitute parts meet the core electrical and mechanical requirements for direct substitution with the ESR25JZPJ123. Selection should be based on the following considerations:

ERJ-P14J123U (Panasonic) and CRCW121012K0JNEA (Vishay Dale) are both active production parts with full AEC-Q200 automotive qualification. These parts are suitable for new designs and ongoing production applications.

ERJ-14YJ123U (Panasonic) carries a "Not For New Designs" status, indicating it is in mature or declining production phase. This part remains available for legacy system support and field replacements but should not be selected for new design implementations.

Power rating differences exist among the substitutes. The ESR25JZPJ123 is rated at 0.667W, while all three substitutes are rated at 0.5W. In applications where the circuit design requires the higher power dissipation capability of the original part, substitute selection must account for this difference in thermal performance.

Frequently Asked Questions (FAQ)

Q: Can ERJ-P14J123U, CRCW121012K0JNEA, and ERJ-14YJ123U be used interchangeably with ESR25JZPJ123?

A: Yes, all three parts share identical resistance, tolerance, package, composition, temperature coefficient, operating temperature range, and automotive certification. They are electrically and mechanically compatible for direct substitution in the 1210 package footprint.

Q: What is the significance of the power rating difference between the main part and substitutes?

A: The ESR25JZPJ123 is rated for 0.667W continuous power dissipation, while the substitute parts are rated for 0.5W. In circuit applications where power dissipation approaches or exceeds 0.5W, the thermal performance characteristics may differ. Circuit design validation is necessary to confirm adequate thermal margin with the lower-rated substitutes.

Q: Why is ERJ-14YJ123U marked "Not For New Designs"?

A: This designation indicates the part is in mature production phase with limited future availability. While it remains functionally equivalent and suitable for field replacements and legacy system support, new product designs should prioritize ERJ-P14J123U or CRCW121012K0JNEA for long-term supply assurance.

Q: Are all parts AEC-Q200 qualified?

A: Yes, the ESR25JZPJ123 and all three substitute parts carry AEC-Q200 automotive qualification, confirming compliance with automotive reliability and quality standards.

Q: Do the substitute parts have the same moisture sensitivity level?

A: Yes, all parts are rated MSL 1 (Unlimited), indicating no moisture sensitivity restrictions for storage, handling, or reflow processing.

Q: Are there physical dimension differences that affect PCB layout?

A: All parts use the 1210 (3225 Metric) package with identical length and width dimensions (0.126" L x 0.098" W / 3.20mm x 2.50mm). Seated height varies slightly: ESR25JZPJ123 at 0.026" (0.65mm), ERJ-P14J123U and ERJ-14YJ123U at 0.028" (0.70mm), and CRCW121012K0JNEA at 0.024" (0.60mm). These minor variations do not affect standard PCB assembly processes.