ERJ-S03F1601V Equivalent & Substitute Parts

Part Overview

The ERJ-S03F1601V is a 1.6 kOhms ±1% 0.1W thick film chip resistor in 0603 (1608 Metric) package manufactured by Panasonic Electronic Components. This component features anti-sulfur coating and automotive AEC-Q200 qualification, designed for applications requiring high reliability in harsh environments. The part is currently active in production with 836 units in stock. Equivalent and substitute parts are identified based on matching electrical specifications and mechanical compatibility to support design flexibility and supply chain continuity.

Key Parameters

Parameter	Value
Resistance	1.6 kOhms
Tolerance	±1%
Power Rating	0.1W (1/10W)
Package / Case	0603 (1608 Metric)
Composition	Thick Film
Temperature Coefficient	±100ppm/°C
Operating Temperature Range	-55°C ~ 155°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict equivalence across the following parameters: resistance value (1.6 kOhms), tolerance (±1%), power rating (0.1W), package type (0603 / 1608 Metric), composition (thick film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C ~ 155°C), RoHS compliance (ROHS3), and moisture sensitivity level (MSL 1). All identified substitute parts meet these core electrical and mechanical requirements. Variations in features such as automotive qualification (AEC-Q200) and moisture resistance are noted but do not disqualify substitution when the primary parameters align. Packaging format differences (Tape & Reel versus Cut Tape) do not affect electrical or mechanical compatibility.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op. Temp Range	AEC-Q200	RoHS	MSL	Inventory (Pcs)
ERJ-S03F1601V	Panasonic	1.6 kΩ	±1%	0.1	0603	±100ppm/°C	-55~155°C	Yes	ROHS3	1	836
ERJ-U03F1601V	Panasonic	1.6 kΩ	±1%	0.1	0603	±100ppm/°C	-55~155°C	Yes	ROHS3	1	11099
ERJ-3EKF1601V	Panasonic	1.6 kΩ	±1%	0.1	0603	±100ppm/°C	-55~155°C	Yes	ROHS3	1	103885
AC0603FR-071K6L	YAGEO	1.6 kΩ	±1%	0.1	0603	±100ppm/°C	-55~155°C	Yes	ROHS3	1	9601
CR0603-FX-1601ELF	Bourns Inc.	1.6 kΩ	±1%	0.1	0603	±100ppm/°C	-55~155°C	No	ROHS3	1	58811
CRCW06031K60FKEA	Vishay Dale	1.6 kΩ	±1%	0.1	0603	±100ppm/°C	-55~155°C	Yes	ROHS3	1	25293
RC0603FR-071K6L	YAGEO	1.6 kΩ	±1%	0.1	0603	±100ppm/°C	-55~155°C	No	ROHS3	1	5200
RMCF0603FT1K60	Stackpole Electronics Inc	1.6 kΩ	±1%	0.1	0603	±100ppm/°C	-55~155°C	Yes	ROHS3	1	53662

Engineering Selection Recommendations

All substitute parts listed meet the core electrical and mechanical requirements for direct substitution with the ERJ-S03F1601V. Selection should prioritize parts with matching certifications and features relevant to the application context.

For automotive and high-reliability applications requiring AEC-Q200 qualification, the following parts are recommended: ERJ-U03F1601V (Panasonic), ERJ-3EKF1601V (Panasonic), AC0603FR-071K6L (YAGEO), CRCW06031K60FKEA (Vishay Dale), and RMCF0603FT1K60 (Stackpole Electronics Inc). These parts carry explicit AEC-Q200 ratings matching the original specification.

For applications where AEC-Q200 qualification is not required, CR0603-FX-1601ELF (Bourns Inc.) and RC0603FR-071K6L (YAGEO) provide equivalent electrical performance with moisture-resistant thick film construction. All parts maintain ROHS3 compliance and MSL 1 rating.

Frequently Asked Questions (FAQ)

Q: Can ERJ-U03F1601V be used as a direct replacement for ERJ-S03F1601V?

A: Yes. Both parts are manufactured by Panasonic with identical electrical specifications (1.6 kΩ ±1%, 0.1W), package type (0603), temperature coefficient (±100ppm/°C), operating range (-55°C ~ 155°C), and AEC-Q200 qualification. The primary difference is the series designation (ERJ-U03 versus ERJ-S03), which reflects manufacturing line variation but does not affect functional compatibility.

Q: What is the difference between Panasonic ERJ-S03F1601V and ERJ-3EKF1601V?

A: Both parts meet identical electrical and mechanical specifications. ERJ-3EKF1601V is from the ERJ-3EK series and lacks the anti-sulfur feature specified in the ERJ-S03F1601V. For applications sensitive to sulfur exposure, the ERJ-S03F1601V or ERJ-U03F1601V are preferred. Otherwise, ERJ-3EKF1601V provides equivalent performance with significantly higher inventory availability (103,885 units).

Q: Are YAGEO AC0603FR-071K6L and RC0603FR-071K6L interchangeable?

A: Both YAGEO parts share identical electrical specifications and 0603 package compatibility. AC0603FR-071K6L is supplied in Tape & Reel format with AEC-Q200 qualification, while RC0603FR-071K6L is supplied in Cut Tape format without AEC-Q200 rating. Selection depends on packaging requirements and automotive qualification necessity.

Q: Does package dimension variation affect substitution?

A: Dimensional variations within the 0603 (1608 Metric) classification are negligible for PCB assembly compatibility. CRCW06031K60FKEA shows minor dimensional differences (0.061" L x 0.033" W versus 0.063" L x 0.031" W standard), but these fall within standard 0603 package tolerances and do not affect placement or soldering.

Q: Which substitute part offers the best inventory availability?

A: ERJ-3EKF1601V (Panasonic) provides the highest inventory level at 103,885 units. For immediate availability with AEC-Q200 qualification, RMCF0603FT1K60 (Stackpole Electronics Inc) offers 53,662 units.

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