Equivalent & Substitute Parts for ERJ-S08F1051V

Part Overview

The ERJ-S08F1051V is a 1.05 kOhms ±1% thick film chip resistor manufactured by Panasonic Electronic Components in the 1206 (3216 Metric) package. This component is rated for 0.25W (1/4W) power dissipation and features anti-sulfur properties with automotive AEC-Q200 qualification. The part maintains active product status with 936 units currently in stock.

Equivalent and substitute parts become necessary when the primary part experiences supply constraints, extended lead times, or when design flexibility permits component sourcing from alternative manufacturers while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Resistance	1.05 kOhms
Tolerance	±1%
Power Rating	0.25W (1/4W)
Package / Case	1206 (3216 Metric)
Composition	Thick Film
Temperature Coefficient	±100ppm/°C
Operating Temperature Range	-55°C ~ 155°C
Number of Terminations	2
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the ERJ-S08F1051V is determined by strict equivalence across the following critical parameters:

Resistance value: 1.05 kOhms
Tolerance: ±1%
Power rating: 0.25W (1/4W)
Package: 1206 (3216 Metric)
Composition: Thick Film
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C ~ 155°C
Termination count: 2
RoHS3 compliance
MSL rating: 1 (Unlimited)

All substitute parts listed meet these core electrical and mechanical requirements. Variations in physical dimensions (length, width, height) and feature sets (automotive qualification, moisture resistance) do not preclude substitution but are noted for design consideration.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op. Temp Range	Status	AEC-Q200	Inventory
ERJ-S08F1051V	Panasonic	1.05 kΩ	±1%	0.25	1206	±100ppm/°C	-55 ~ 155°C	Active	Yes	936
ERJ-8ENF1051V	Panasonic	1.05 kΩ	±1%	0.25	1206	±100ppm/°C	-55 ~ 155°C	Not For New Designs	Yes	40583
CR1206-FX-1051ELF	Bourns Inc.	1.05 kΩ	±1%	0.25	1206	±100ppm/°C	-55 ~ 155°C	Active	No	26032
CRCW12061K05FKEA	Vishay Dale	1.05 kΩ	±1%	0.25	1206	±100ppm/°C	-55 ~ 155°C	Active	Yes	6720
RC1206FR-071K05L	YAGEO	1.05 kΩ	±1%	0.25	1206	±100ppm/°C	-55 ~ 155°C	Active	No	10743
RMCF1206FT1K05	Stackpole Electronics Inc	1.05 kΩ	±1%	0.25	1206	±100ppm/°C	-55 ~ 155°C	Active	Yes	6153

Engineering Selection Recommendations

For applications requiring automotive AEC-Q200 qualification, select from CRCW12061K05FKEA (Vishay Dale), RMCF1206FT1K05 (Stackpole Electronics Inc), or ERJ-8ENF1051V (Panasonic). All three maintain active or legacy product status with full AEC-Q200 compliance.

For general-purpose applications without automotive requirements, CR1206-FX-1051ELF (Bourns Inc.) and RC1206FR-071K05L (YAGEO) provide active product status with moisture-resistant thick film construction.

The ERJ-8ENF1051V carries a "Not For New Designs" designation despite high inventory availability. This status indicates the part is in legacy phase; new designs should prioritize active-status alternatives.

All substitute parts maintain ROHS3 compliance, MSL rating of 1 (Unlimited), and identical electrical specifications. Physical dimension variations (height range: 0.024" to 0.030") remain within standard PCB assembly tolerances.

Frequently Asked Questions (FAQ)

Q: Can ERJ-8ENF1051V replace ERJ-S08F1051V in new designs?

A: Electrically and mechanically, yes. However, ERJ-8ENF1051V carries "Not For New Designs" status. For new product development, select from active-status alternatives: CRCW12061K05FKEA, RMCF1206FT1K05, CR1206-FX-1051ELF, or RC1206FR-071K05L.

Q: What is the difference between AEC-Q200 and non-AEC-Q200 variants?

A: AEC-Q200 certification indicates automotive-grade qualification with defined reliability and performance standards. Parts with this rating (ERJ-S08F1051V, ERJ-8ENF1051V, CRCW12061K05FKEA, RMCF1206FT1K05) are suitable for automotive applications. Non-certified parts (CR1206-FX-1051ELF, RC1206FR-071K05L) are suitable for general industrial and consumer applications.

Q: Are physical dimension differences significant?

A: All parts use the 1206 (3216 Metric) package with maximum height variation of 0.006" (0.15mm). This variation is negligible for standard PCB assembly processes and does not affect electrical performance or board layout compatibility.

Q: Which substitute offers the best inventory availability?

A: ERJ-8ENF1051V provides the highest inventory at 40,583 units. For active-status parts, CR1206-FX-1051ELF (26,032 units) and RC1206FR-071K05L (10,743 units) offer substantial availability.

Q: Do all substitutes maintain the same temperature coefficient?

A: Yes. All listed parts maintain ±100ppm/°C temperature coefficient and -55°C to 155°C operating range, ensuring equivalent thermal performance across the specified operating envelope.

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