ERJ-S03F6810V Equivalent & Substitute Parts

Part Overview

The ERJ-S03F6810V is a 681 Ohm ±1% thick film chip resistor in 0603 (1608 Metric) package rated for 0.1W power dissipation. Manufactured by Panasonic Electronic Components, this part features anti-sulfur coating and automotive AEC-Q200 qualification, operating across -55°C to 155°C. The part is active and in production. Substitute parts are identified when electrical specifications, mechanical dimensions, and compliance ratings align with the original design requirements.

Key Parameters

Parameter	Value
Resistance	681 Ohms
Tolerance	±1%
Power Rating	0.1W (1/10W)
Package	0603 (1608 Metric)
Composition	Thick Film
Temperature Coefficient	±100ppm/°C
Operating Temperature Range	-55°C to 155°C
Terminations	2
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by matching the following critical parameters: resistance value (681 Ohms), tolerance (±1%), power rating (0.1W), package type (0603), composition (thick film), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C to 155°C). All identified substitutes meet these core electrical and mechanical specifications. Packaging format (Tape & Reel or Cut Tape) and manufacturer-specific features (such as automotive AEC-Q200 rating or moisture resistance) are secondary considerations that do not affect functional interchangeability in standard applications.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff (ppm/°C)	Op Temp Range (°C)	Composition	RoHS Status	MSL
ERJ-S03F6810V	Panasonic Electronic Components	681	±1%	0.1	0603	±100	-55 to 155	Thick Film	ROHS3 Compliant	1
ERJ-3EKF6810V	Panasonic Electronic Components	681	±1%	0.1	0603	±100	-55 to 155	Thick Film	ROHS3 Compliant	1
CRG0603F681R	TE Connectivity Passive Product	681	±1%	0.1	0603	±100	-55 to 155	Thick Film	ROHS3 Compliant	1
AC0603FR-07681RL	YAGEO	681	±1%	0.1	0603	±100	-55 to 155	Thick Film	ROHS3 Compliant	1
CR0603-FX-6810ELF	Bourns Inc.	681	±1%	0.1	0603	±100	-55 to 155	Thick Film	ROHS3 Compliant	1
CRCW0603681RFKEA	Vishay Dale	681	±1%	0.1	0603	±100	-55 to 155	Thick Film	ROHS3 Compliant	1
CRCW0603681RFKTA	Vishay Dale	681	±1%	0.1	0603	±100	-55 to 155	Thick Film	RoHS non-compliant	1
RC0603FR-07681RL	YAGEO	681	±1%	0.1	0603	±100	-55 to 155	Thick Film	ROHS3 Compliant	1
RMCF0603FG681R	Stackpole Electronics Inc	681	±1%	0.1	0603	±100	-55 to 155	Thick Film	ROHS3 Compliant	1
RMCF0603FT681R	Stackpole Electronics Inc	681	±1%	0.1	0603	±100	-55 to 155	Thick Film	ROHS3 Compliant	1

Engineering Selection Recommendations

All listed substitutes maintain identical electrical performance and mechanical compatibility with the ERJ-S03F6810V. Selection between alternatives should prioritize ROHS3 compliance status. The CRCW0603681RFKTA variant is RoHS non-compliant and REACH-affected, making it unsuitable for applications requiring regulatory compliance. For automotive applications requiring AEC-Q200 qualification, the following parts are certified: ERJ-3EKF6810V, AC0603FR-07681RL, CRCW0603681RFKEA, CRCW0603681RFKTA, RMCF0603FG681R, and RMCF0603FT681R. Packaging format selection (Tape & Reel versus Cut Tape) depends on assembly process requirements and does not affect electrical or thermal performance.

Frequently Asked Questions (FAQ)

Q: Can ERJ-3EKF6810V replace ERJ-S03F6810V directly? A: Yes. Both parts share identical resistance (681 Ohms), tolerance (±1%), power rating (0.1W), package (0603), temperature coefficient (±100ppm/°C), and operating range (-55°C to 155°C). The primary difference is the series designation (ERJ-3EK versus ERJ-S03), which reflects different manufacturing lines within Panasonic but does not affect functional performance.

Q: What is the difference between Tape & Reel and Cut Tape packaging? A: Tape & Reel packaging is supplied on continuous carrier tape suitable for automated pick-and-place assembly. Cut Tape packaging is supplied in smaller quantities on cut segments of carrier tape. Both formats contain identical components; packaging selection depends on production volume and assembly equipment compatibility.

Q: Is CRCW0603681RFKTA suitable for new designs? A: CRCW0603681RFKTA is RoHS non-compliant and REACH-affected. It is not recommended for new designs or applications subject to environmental regulations. Use CRCW0603681RFKEA instead, which is ROHS3 compliant and REACH unaffected.

Q: Do all substitutes support automotive applications? A: Not all substitutes carry AEC-Q200 automotive qualification. Parts with AEC-Q200 rating are: ERJ-3EKF6810V, AC0603FR-07681RL, CRCW0603681RFKEA, CRCW0603681RFKTA, RMCF0603FG681R, and RMCF0603FT681R. For non-automotive applications, all listed parts are functionally equivalent.

Q: Are there dimensional differences between substitutes? A: Minor dimensional variations exist. The ERJ-S03F6810V measures 0.063" L × 0.031" W (1.60mm × 0.80mm) with 0.022" max height. CRCW variants measure 0.061" L × 0.033" W (1.55mm × 0.85mm) with 0.020" max height. RMCF0603FG681R measures 0.061" L × 0.031" W (1.55mm × 0.80mm) with 0.022" max height. These variations remain within 0603 package tolerance and do not affect PCB layout or assembly compatibility.

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