Request Quote
(Ships tomorrow)
ERJ-S03F45R3V Equivalent & Substitute Parts
Part Overview
The ERJ-S03F45R3V is a 45.3 Ohm ±1% 0.1W thick film chip resistor in 0603 (1608 Metric) package manufactured by Panasonic Electronic Components. This part features anti-sulfur coating and automotive AEC-Q200 qualification, designed for applications requiring reliable performance across -55°C to 155°C operating temperature range. The part is active and in production. Equivalent and substitute parts are identified based on matching electrical specifications, package dimensions, and automotive qualification requirements.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 45.3 Ohms |
| 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 |
| Ratings | AEC-Q200 |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitute parts are qualified based on the following criteria:
- Resistance value: 45.3 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 ~ 155°C
- Compliance: ROHS3, REACH Unaffected, EAR99
- Moisture sensitivity: MSL 1 (Unlimited)
All identified substitutes meet these core electrical and mechanical parameters. Automotive AEC-Q200 qualification is present on the main part and most substitutes, indicating suitability for automotive applications.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Package | Temp Coeff | Operating Temp | AEC-Q200 | RoHS | MSL |
|---|---|---|---|---|---|---|---|---|---|---|
| ERJ-S03F45R3V | Panasonic Electronic Components | 45.3 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | ROHS3 | 1 |
| ERJ-3EKF45R3V | Panasonic Electronic Components | 45.3 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | ROHS3 | 1 |
| AC0603FR-0745R3L | YAGEO | 45.3 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | ROHS3 | 1 |
| CR0603-FX-45R3ELF | Bourns Inc. | 45.3 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | No | ROHS3 | 1 |
| CRCW060345R3FKEA | Vishay Dale | 45.3 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | ROHS3 | 1 |
| RC0603FR-0745R3L | YAGEO | 45.3 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | No | ROHS3 | 1 |
| RMCF0603FT45R3 | Stackpole Electronics Inc | 45.3 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | ROHS3 | 1 |
Engineering Selection Recommendations
All substitute parts listed are active products with ROHS3 compliance and REACH Unaffected status. Selection between substitutes depends on application requirements:
For automotive applications requiring AEC-Q200 qualification, the following parts are suitable: ERJ-3EKF45R3V (Panasonic), AC0603FR-0745R3L (YAGEO), CRCW060345R3FKEA (Vishay Dale), and RMCF0603FT45R3 (Stackpole Electronics Inc).
For general-purpose applications where AEC-Q200 is not required, CR0603-FX-45R3ELF (Bourns Inc.) and RC0603FR-0745R3L (YAGEO) are suitable alternatives.
All parts share identical electrical specifications, temperature coefficients, and operating temperature ranges. Physical dimensions vary slightly within acceptable tolerances for 0603 package footprints.
Frequently Asked Questions (FAQ)
Q: Can ERJ-3EKF45R3V be used as a direct replacement for ERJ-S03F45R3V?
A: Yes. Both parts are manufactured by Panasonic, share identical electrical specifications (45.3 Ω ±1%, 0.1W), operate across -55°C to 155°C, carry AEC-Q200 qualification, and use 0603 package. The primary difference is the series designation (ERJ-3EK versus ERJ-S03).
Q: Are YAGEO AC0603FR-0745R3L and RC0603FR-0745R3L interchangeable?
A: Both YAGEO parts meet identical electrical and package specifications. AC0603FR-0745R3L carries AEC-Q200 qualification while RC0603FR-0745R3L does not. Selection depends on whether automotive qualification is required for the application.
Q: What is the significance of the 0603 package designation?
A: 0603 (1608 Metric) is the standardized package size for these resistors. All listed parts use this package, ensuring mechanical and electrical compatibility on PCB layouts designed for 0603 components.
Q: Do all substitutes have the same moisture sensitivity level?
A: Yes. All parts listed carry MSL 1 (Unlimited), indicating no moisture sensitivity restrictions during storage and handling.
Q: Which substitute offers the best availability?
A: RC0603FR-0745R3L (YAGEO) has the highest inventory at 68,291 pieces. ERJ-3EKF45R3V (Panasonic) has 470,207 pieces available.
Alternative Parts
SJ6012L2TP
Littelfuse Inc.
6 Alternative Parts
JMK107BBJ476MA-RE
Taiyo Yuden
10 Alternative Parts
GMK107BBJ475MA-T
Taiyo Yuden
5 Alternative Parts
SJ6020N2ARP
Littelfuse Inc.
3 Alternative Parts
SJ6025R2ATP
Littelfuse Inc.
4 Alternative Parts
2474-05L
API Delevan Inc.
1 Alternative Parts
4590R-684K
API Delevan Inc.
1 Alternative Parts
CM6560R-334
API Delevan Inc.
1 Alternative Parts
CM6460-104
API Delevan Inc.
1 Alternative Parts
5526-12
API Delevan Inc.
1 Alternative Parts