Equivalent & Substitute Parts for ERJ-S03F1401V

Part Overview

The ERJ-S03F1401V is a 1.4 kOhms ±1% 0.1W thick film chip resistor in 0603 (1608 Metric) package manufactured by Panasonic Electronic Components. This part is classified as Active and features anti-sulfur properties with automotive AEC-Q200 qualification. The ERJ-S03F1401V is designed for applications requiring precision resistive elements in compact surface-mount form factors with enhanced environmental protection. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and compliance certifications to ensure direct interchangeability in circuit designs.

Key Parameters

Parameter	Value
Resistance	1.4 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

Substitute parts for the ERJ-S03F1401V are qualified based on the following criteria:

Electrical Parameters (Must Match):

Resistance value: 1.4 kOhms
Tolerance: ±1%
Power rating: 0.1W (1/10W)
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C ~ 155°C

Mechanical Parameters (Must Match):

Package type: 0603 (1608 Metric)
Number of terminations: 2
Composition: Thick Film

Compliance & Environmental (Must Match):

RoHS3 Compliant
Moisture Sensitivity Level: 1 (Unlimited)
REACH Status: REACH Unaffected

Substitute parts may differ in specific features (such as anti-sulfur or moisture-resistant properties) and manufacturer-specific dimensions within tolerance, provided all core electrical and mechanical parameters remain equivalent.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op. Temp Range	AEC-Q200	RoHS3	MSL
ERJ-S03F1401V	Panasonic Electronic Components	1.4 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Yes	1
ERJ-3EKF1401V	Panasonic Electronic Components	1.4 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Yes	1
AC0603FR-071K4L	YAGEO	1.4 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Yes	1
CR0603-FX-1401ELF	Bourns Inc.	1.4 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	No	Yes	1
CRCW06031K40FKEA	Vishay Dale	1.4 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Yes	1
RC0603FR-071K4L	YAGEO	1.4 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	No	Yes	1
RMCF0603FT1K40	Stackpole Electronics Inc	1.4 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Yes	1

Engineering Selection Recommendations

All listed substitute parts maintain Active product status and ROHS3 compliance, ensuring regulatory alignment with current manufacturing standards. Parts with AEC-Q200 qualification (ERJ-3EKF1401V, AC0603FR-071K4L, CRCW06031K40FKEA, RMCF0603FT1K40) are suitable for automotive applications requiring enhanced reliability testing. Parts without AEC-Q200 designation (CR0603-FX-1401ELF, RC0603FR-071K4L) remain suitable for general industrial and consumer applications where automotive qualification is not required. Selection should be based on application requirements, supply chain availability, and specific environmental conditions (moisture resistance, anti-sulfur properties) relevant to the end-use circuit.

Frequently Asked Questions (FAQ)

Q: Can ERJ-S03F1401V be directly replaced with ERJ-3EKF1401V? A: Yes. Both parts are manufactured by Panasonic Electronic Components with identical electrical specifications (1.4 kOhms ±1%, 0.1W), package type (0603), temperature coefficient (±100ppm/°C), operating range (-55°C ~ 155°C), and compliance certifications (AEC-Q200, ROHS3, MSL 1). The primary difference is the series designation and anti-sulfur feature in the ERJ-S03F1401V.

Q: Are YAGEO AC0603FR-071K4L and RC0603FR-071K4L interchangeable? A: Both YAGEO parts meet the core electrical and mechanical requirements. AC0603FR-071K4L includes AEC-Q200 automotive qualification, while RC0603FR-071K4L does not. Selection depends on whether automotive-grade reliability is required for the application.

Q: What is the significance of AEC-Q200 certification? A: AEC-Q200 certification indicates the part has undergone automotive-grade reliability testing and is suitable for automotive applications. Parts with this certification (ERJ-3EKF1401V, AC0603FR-071K4L, CRCW06031K40FKEA, RMCF0603FT1K40) are preferred for automotive circuits. Parts without it remain suitable for non-automotive applications.

Q: Do all substitute parts have identical physical dimensions? A: All parts conform to the 0603 (1608 Metric) package standard. Minor dimensional variations exist within manufacturer tolerances: most parts measure 0.063" L x 0.031" W (1.60mm x 0.80mm), while CRCW06031K40FKEA and RMCF0603FT1K40 measure 0.061" L x 0.031" W (1.55mm x 0.80mm) and 0.061" L x 0.031" W (1.55mm x 0.80mm) respectively. These variations remain within standard PCB footprint tolerances.

Q: What does Moisture Sensitivity Level 1 mean? A: MSL 1 indicates unlimited shelf life without moisture-related degradation concerns. All listed parts share this classification, ensuring consistent handling and storage requirements across substitutes.

Q: Can these parts be used interchangeably in high-temperature applications? A: Yes. All substitute parts operate across the identical temperature range (-55°C ~ 155°C) with matching temperature coefficient (±100ppm/°C), ensuring consistent performance in thermal cycling and high-temperature environments.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message