TRR03EZPJ621 Equivalent & Substitute Parts

Part Overview

The TRR03EZPJ621 is a 620 Ohms ±5% 0.1W chip resistor in 0603 (1608 Metric) package manufactured by Rohm Semiconductor. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing production and maintenance applications. The part features anti-sulfur thick film construction with operating temperature range of -55°C to 155°C and is ROHS3 compliant with MSL 1 rating.

Key Parameters

Parameter	Value
Resistance	620 Ohms
Tolerance	±5%
Power Rating	0.1W (1/10W)
Package	0603 (1608 Metric)
Composition	Thick Film
Operating Temperature	-55°C to 155°C
RoHS Status	ROHS3 Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the TRR03EZPJ621 is determined by the following mandatory parameters:

Resistance value: 620 Ohms (exact match required)
Power rating: 0.1W minimum
Package: 0603 (1608 Metric) form factor
Operating temperature range: -55°C to 155°C minimum
RoHS3 compliance
MSL 1 rating

Substitute parts are grouped into two categories based on tolerance specification:

Direct Equivalent (±5% tolerance): Parts matching the original tolerance specification, suitable for direct replacement without circuit re-evaluation.

Upgrade Options (±1% and ±0.5% tolerance): Parts with tighter tolerance specifications that exceed original requirements. These provide improved accuracy and are compatible with the same electrical and mechanical constraints.

Parameter Comparison

Parameter	TRR03EZPJ621 (Rohm)	ERJ-S03J621V (Panasonic)	ERJ-S03F6200V (Panasonic)	AT0603DRE07620RL (Yageo)
Manufacturer	Rohm Semiconductor	Panasonic Electronic Components	Panasonic Electronic Components	Yageo
Resistance	620 Ohms	620 Ohms	620 Ohms	620 Ohms
Tolerance	±5%	±5%	±1%	±0.5%
Power Rating	0.1W	0.1W	0.1W	0.1W
Package	0603 (1608 Metric)	0603 (1608 Metric)	0603 (1608 Metric)	0603 (1608 Metric)
Composition	Thick Film	Thick Film	Thick Film	Thin Film
Temperature Coefficient	±200ppm/°C	±200ppm/°C	±100ppm/°C	±50ppm/°C
Operating Temperature	-55°C to 155°C	-55°C to 155°C	-55°C to 155°C	-55°C to 155°C
Product Status	Obsolete	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
AEC-Q200 Rated	No	Yes	Yes	No

Engineering Selection Recommendations

ERJ-S03J621V (Panasonic Electronic Components) is the direct equivalent substitute. This part maintains identical tolerance (±5%), composition (thick film), and temperature coefficient (±200ppm/°C) specifications. Product status is active with full ROHS3 compliance and MSL 1 rating. AEC-Q200 automotive qualification provides additional reliability assurance for demanding applications.

ERJ-S03F6200V (Panasonic Electronic Components) serves as an upgrade option with improved tolerance (±1%) and lower temperature coefficient (±100ppm/°C). This part is suitable for applications requiring tighter resistance accuracy while maintaining all mechanical and thermal compatibility. AEC-Q200 qualification is included.

AT0603DRE07620RL (Yageo) provides the highest tolerance specification (±0.5%) and lowest temperature coefficient (±50ppm/°C) among available substitutes. Composition differs as thin film construction, which may affect frequency response characteristics in high-frequency applications. This part is recommended for precision measurement and signal conditioning circuits where tolerance and stability are critical parameters.

All substitute parts are active products with confirmed inventory availability and full compliance with RoHS3 and REACH requirements.

Frequently Asked Questions (FAQ)

Q: Can ERJ-S03J621V directly replace TRR03EZPJ621 without circuit modification?

A: Yes. ERJ-S03J621V matches all critical electrical parameters: 620 Ohms resistance, ±5% tolerance, 0.1W power rating, and identical operating temperature range. Physical dimensions and package form factor are identical. No circuit re-evaluation is required.

Q: What is the difference between thick film and thin film composition in the substitute options?

A: TRR03EZPJ621 and ERJ-S03J621V use thick film construction. ERJ-S03F6200V also uses thick film. AT0603DRE07620RL uses thin film construction. Thin film resistors typically exhibit lower temperature coefficient and better tolerance stability but may have different frequency response characteristics. Composition selection should be based on application-specific requirements.

Q: Are all substitute parts suitable for automotive applications?

A: ERJ-S03J621V and ERJ-S03F6200V carry AEC-Q200 automotive qualification. AT0603DRE07620RL does not list AEC-Q200 rating. For automotive applications, Panasonic parts are the specified choice.

Q: What is the significance of tolerance differences between substitute options?

A: TRR03EZPJ621 and ERJ-S03J621V specify ±5% tolerance. ERJ-S03F6200V specifies ±1% tolerance. AT0603DRE07620RL specifies ±0.5% tolerance. Tighter tolerance provides improved resistance accuracy but may increase component cost. Selection depends on circuit accuracy requirements.

Q: Are all substitute parts available in the same packaging format?

A: Yes. All substitute parts are supplied in 0603 (1608 Metric) package with identical physical dimensions: 0.063" L x 0.031" W (1.60mm x 0.80mm) and maximum seated height of 0.022" (0.55mm). Tape & Reel packaging is standard for all active substitutes.

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

A: MSL (Moisture Sensitivity Level) 1 indicates unlimited shelf life with no moisture precautions required. All listed parts maintain MSL 1 rating, ensuring consistent handling and storage procedures across substitutes.

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