TRR01MZPJ124 Equivalent & Substitute Parts

Part Overview

The TRR01MZPJ124 is a 120 kOhms ±5% thick film chip resistor in 0402 (1005 Metric) package rated at 0.063W (1/16W) with anti-sulfur properties. Manufactured by Rohm Semiconductor, this part is currently obsolete. Due to its discontinued status, equivalent and substitute parts from active manufacturers are necessary to maintain design continuity and ensure supply chain reliability for new production runs and field replacements.

Substiute Parts

TRR01MZPJ124

Rohm SemiconductorIn Stock: 1167TRR01MZPJ124 Datasheet

Current PartRFQ

SFR01MZPJ124

Rohm SemiconductorIn Stock: 10709SFR01MZPJ124 Datasheet

DirectRFQ

AA0402JR-07120KL

YAGEOIn Stock: 1101AA0402JR-07120KL Datasheet

DirectRFQ

ERJ-S02F1203X

Panasonic Electronic ComponentsIn Stock: 10087ERJ-S02F1203X Datasheet

UpgradeRFQ

ERJ-S02J124X

Panasonic Electronic ComponentsIn Stock: 1150ERJ-S02J124X Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts are classified into two categories based on electrical and mechanical compatibility with the TRR01MZPJ124:

Direct Substitutes maintain identical electrical specifications (120 kOhms ±5%, 0.063W) and mechanical dimensions (0402 package). These parts are pin-compatible and functionally equivalent without circuit redesign:

• SFR01MZPJ124 (Rohm Semiconductor)
• AA0402JR-07120KL (YAGEO)

Upgrade Substitutes provide enhanced specifications while maintaining the same resistance value, tolerance, and package footprint. These parts feature higher power ratings (0.1W instead of 0.063W) and are suitable for applications requiring improved thermal performance:

• ERJ-S02F1203X (Panasonic Electronic Components) – ±1% tolerance, 0.1W
• ERJ-S02J124X (Panasonic Electronic Components) – ±5% tolerance, 0.1W

All substitute parts share the following critical parameters with the main part: 120 kOhms resistance, 0402 package, anti-sulfur composition, -55°C ~ 155°C operating range, and ROHS3 compliance.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (No Circuit Modification Required):

SFR01MZPJ124 is the preferred direct substitute. Manufactured by Rohm Semiconductor, it maintains identical electrical and mechanical specifications while offering active product status and automotive AEC-Q200 qualification. This part is suitable for applications requiring drop-in compatibility with the obsolete TRR01MZPJ124.

AA0402JR-07120KL from YAGEO provides an alternative direct substitute with identical power rating and package. This part includes additional moisture-resistant features and a lower temperature coefficient (±150ppm/°C versus ±200ppm/°C), offering improved performance stability in temperature-sensitive applications.

For Enhanced Performance (Circuit Redesign May Be Required):

ERJ-S02F1203X and ERJ-S02J124X from Panasonic Electronic Components offer upgraded specifications with 0.1W power rating and automotive AEC-Q200 qualification. ERJ-S02F1203X provides tighter tolerance (±1%) suitable for precision applications. Both parts maintain the same footprint and operating temperature range, enabling direct PCB placement while delivering improved thermal headroom.

All substitute parts maintain ROHS3 compliance and MSL 1 rating, ensuring compatibility with standard manufacturing and storage requirements.

Frequently Asked Questions (FAQ)

Q: Can SFR01MZPJ124 be used as a direct replacement for TRR01MZPJ124?

A: Yes. SFR01MZPJ124 maintains identical resistance (120 kOhms), tolerance (±5%), power rating (0.063W), and package (0402). Both parts are mechanically and electrically compatible without circuit modification.

Q: What is the difference between direct substitutes and upgrade substitutes?

A: Direct substitutes (SFR01MZPJ124, AA0402JR-07120KL) maintain the same 0.063W power rating as the original part. Upgrade substitutes (ERJ-S02F1203X, ERJ-S02J124X) provide higher power rating (0.1W) for improved thermal performance. Upgrade substitutes require verification that the higher power rating does not introduce unintended circuit behavior.

Q: Are all substitute parts automotive-qualified?

A: SFR01MZPJ124, AA0402JR-07120KL, ERJ-S02F1203X, and ERJ-S02J124X all carry automotive AEC-Q200 qualification. The original TRR01MZPJ124 does not list AEC-Q200 qualification.

Q: What is the significance of the ±1% tolerance in ERJ-S02F1203X?

A: ERJ-S02F1203X offers tighter tolerance (±1%) compared to the original part (±5%). This provides improved resistance accuracy, beneficial for precision analog circuits, signal conditioning, and measurement applications where tighter component tolerances reduce overall circuit error.

Q: Can these parts be used interchangeably in the same PCB assembly?

A: Yes, all substitute parts share the 0402 (1005 Metric) package footprint and identical pin configuration. They are mechanically interchangeable on the PCB. Electrical interchangeability depends on circuit requirements: direct substitutes are fully interchangeable; upgrade substitutes require circuit analysis to confirm the higher power rating does not affect circuit operation.

Q: What is MSL 1 rating and why is it important?

A: MSL 1 (Moisture Sensitivity Level 1) indicates unlimited shelf life without moisture baking requirements. All listed parts carry MSL 1 rating, eliminating moisture-related handling constraints during manufacturing and storage.

Q: Which substitute part should be selected for new production?

A: For new production, select from active parts: SFR01MZPJ124, AA0402JR-07120KL, ERJ-S02F1203X, or ERJ-S02J124X. All are currently in active production status with established supply chains. Selection depends on specific circuit requirements: use direct substitutes for existing designs; use upgrade substitutes for new designs requiring enhanced thermal performance or tighter tolerance specifications.