TRR01MZPJ181 Equivalent & Substitute Parts

Part Overview

The TRR01MZPJ181 is a 180 Ohms ±5% 0.063W (1/16W) chip resistor in 0402 (1005 Metric) package manufactured by Rohm Semiconductor. This thick film resistor features anti-sulfur construction and operates across -55°C to 155°C. The part is currently obsolete, making equivalent and substitute components necessary for ongoing design support and production continuity.

Key Parameters

Parameter	Value
Resistance	180 Ohms
Tolerance	±5%
Power Rating	0.063W (1/16W)
Package	0402 (1005 Metric)
Composition	Thick Film
Features	Anti-Sulfur
Operating Temperature	-55°C to 155°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the TRR01MZPJ181 is determined by the following critical parameters: resistance value (180 Ohms), tolerance (±5%), package format (0402), composition (thick film), anti-sulfur feature, operating temperature range (-55°C to 155°C), and RoHS3 compliance. Substitute parts must match or exceed these specifications without introducing incompatibilities in the target application.

The substitute parts are grouped into two categories:

Direct Equivalent: AF0402JR-07180RL maintains identical electrical specifications (180 Ohms ±5%, 0.063W) and package format while adding automotive AEC-Q200 qualification.

Upgraded Alternatives: ERJ-S02F1800X and ERJ-S02J181X provide enhanced power ratings (0.1W instead of 0.063W) and automotive AEC-Q200 certification, with ERJ-S02F1800X offering tighter tolerance (±1% versus ±5%).

Parameter Comparison

Parameter	TRR01MZPJ181	AF0402JR-07180RL	ERJ-S02F1800X	ERJ-S02J181X
Manufacturer	Rohm Semiconductor	YAGEO	Panasonic Electronic Components	Panasonic Electronic Components
Resistance	180 Ohms	180 Ohms	180 Ohms	180 Ohms
Tolerance	±5%	±5%	±1%	±5%
Power Rating	0.063W (1/16W)	0.063W (1/16W)	0.1W (1/10W)	0.1W (1/10W)
Package	0402 (1005 Metric)	0402 (1005 Metric)	0402 (1005 Metric)	0402 (1005 Metric)
Composition	Thick Film	Thick Film	Thick Film	Thick Film
Features	Anti-Sulfur	Anti-Sulfur, AEC-Q200	Anti-Sulfur, AEC-Q200	Anti-Sulfur, AEC-Q200
Temperature Coefficient	±200ppm/°C	±100ppm/°C	±200ppm/°C	±200ppm/°C
Operating Temperature	-55°C to 155°C	-55°C to 155°C	-55°C to 155°C	-55°C to 155°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Obsolete	Active	Active	Active

Engineering Selection Recommendations

AF0402JR-07180RL is the direct functional equivalent for applications requiring identical electrical performance. This YAGEO part maintains the 0.063W power rating and ±5% tolerance while providing active product status and AEC-Q200 automotive qualification. The lower temperature coefficient (±100ppm/°C versus ±200ppm/°C) offers improved stability in temperature-sensitive circuits.

ERJ-S02F1800X is suitable for applications where higher power dissipation margin is beneficial. The ±1% tolerance and 0.1W rating provide enhanced performance headroom. This Panasonic part carries active status and AEC-Q200 certification, making it appropriate for automotive and industrial environments.

ERJ-S02J181X provides a balanced upgrade path with 0.1W power rating while maintaining ±5% tolerance matching the original specification. Active product status and AEC-Q200 qualification ensure long-term availability and automotive-grade reliability.

All substitute parts are ROHS3 compliant with MSL 1 rating, ensuring compatibility with standard manufacturing processes and storage conditions.

Frequently Asked Questions (FAQ)

Q: Can AF0402JR-07180RL be used as a direct replacement for TRR01MZPJ181?

A: Yes. AF0402JR-07180RL matches all critical electrical parameters: 180 Ohms resistance, ±5% tolerance, 0.063W power rating, 0402 package, thick film composition, and anti-sulfur feature. Both operate across -55°C to 155°C and are ROHS3 compliant. The primary advantage is active product status and AEC-Q200 certification.

Q: What is the difference between the ERJ-S02F1800X and ERJ-S02J181X?

A: Both are Panasonic ERJ-S02 series resistors in 0402 package with 0.1W power rating and anti-sulfur construction. ERJ-S02F1800X offers ±1% tolerance, while ERJ-S02J181X maintains ±5% tolerance. The tolerance difference determines suitability based on circuit accuracy requirements.

Q: Are the upgraded parts (ERJ-S02F1800X and ERJ-S02J181X) physically compatible with the original TRR01MZPJ181 footprint?

A: Yes. All substitute parts use the 0402 (1005 Metric) package with identical land pattern dimensions. Height differences are minimal (0.015" to 0.016" seated height), presenting no assembly or thermal management concerns.

Q: Can I use a 0.1W rated resistor where a 0.063W resistor was specified?

A: Yes. Higher power rating provides additional thermal margin and does not create electrical incompatibility. The 0.1W parts (ERJ-S02F1800X and ERJ-S02J181X) are suitable for any application originally designed for 0.063W, provided the circuit topology remains unchanged.

Q: What is the significance of AEC-Q200 certification on the substitute parts?

A: AEC-Q200 is an automotive qualification standard ensuring component reliability under automotive operating conditions. While the original TRR01MZPJ181 lacks this certification, the AEC-Q200 qualified substitutes (AF0402JR-07180RL, ERJ-S02F1800X, ERJ-S02J181X) provide enhanced reliability documentation suitable for automotive and industrial applications.

Q: Are all substitute parts available in active production?

A: Yes. AF0402JR-07180RL, ERJ-S02F1800X, and ERJ-S02J181X all carry active product status, ensuring ongoing availability and supply chain continuity. The original TRR01MZPJ181 is obsolete.

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