ERJ-S08F4642V Equivalent & Substitute Parts

Part Overview

The ERJ-S08F4642V is a 46.4 kOhm ±1% 0.25W thick film chip resistor in 1206 (3216 Metric) package manufactured by Panasonic Electronic Components. This part features anti-sulfur coating and automotive AEC-Q200 qualification, making it suitable for automotive and harsh environment applications. The product is currently active and available in high volume inventory (995 pcs).

Substitute parts are necessary when the primary part becomes unavailable, when design requirements shift between automotive and general-purpose applications, or when alternative packaging formats are preferred while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Resistance	46.4 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-S08F4642V is determined by strict equivalence across the following parameters:

Resistance value: 46.4 kOhms (exact match required)
Tolerance: ±1% (exact match required)
Power rating: 0.25W / 1/4W (exact match required)
Package: 1206 (3216 Metric) (exact match required)
Composition: Thick Film (exact match required)
Temperature coefficient: ±100ppm/°C (exact match required)
Operating temperature range: -55°C ~ 155°C (exact match required)
Termination count: 2 (exact match required)
RoHS compliance: ROHS3 Compliant (exact match required)
Moisture sensitivity: MSL 1 (exact match required)

All five substitute parts listed below meet these criteria. Differences in features (anti-sulfur vs. moisture resistant) and product status do not affect electrical or mechanical compatibility but may influence selection based on application requirements and design phase constraints.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Composition	Temp Coeff	Operating Temp	Features	Product Status	AEC-Q200
ERJ-S08F4642V	Panasonic	46.4 kΩ	±1%	0.25	1206	Thick Film	±100ppm/°C	-55~155°C	Anti-Sulfur	Active	Yes
ERJ-8ENF4642V	Panasonic	46.4 kΩ	±1%	0.25	1206	Thick Film	±100ppm/°C	-55~155°C	None	Not For New Designs	Yes
CR1206-FX-4642ELF	Bourns Inc.	46.4 kΩ	±1%	0.25	1206	Thick Film	±100ppm/°C	-55~155°C	Moisture Resistant	Active	No
CRCW120646K4FKEA	Vishay Dale	46.4 kΩ	±1%	0.25	1206	Thick Film	±100ppm/°C	-55~155°C	None	Active	Yes
RC1206FR-0746K4L	YAGEO	46.4 kΩ	±1%	0.25	1206	Thick Film	±100ppm/°C	-55~155°C	Moisture Resistant	Active	No
RMCF1206FT46K4	Stackpole Electronics Inc	46.4 kΩ	±1%	0.25	1206	Thick Film	±100ppm/°C	-55~155°C	None	Active	Yes

Engineering Selection Recommendations

For active design phases, prioritize parts with Active product status: CRCW120646K4FKEA (Vishay Dale), CR1206-FX-4642ELF (Bourns Inc.), RC1206FR-0746K4L (YAGEO), and RMCF1206FT46K4 (Stackpole Electronics Inc.).

For automotive applications requiring AEC-Q200 qualification, select from: ERJ-S08F4642V (primary choice with anti-sulfur feature), CRCW120646K4FKEA (Vishay Dale), or RMCF1206FT46K4 (Stackpole Electronics Inc.).

The ERJ-8ENF4642V (Panasonic) carries "Not For New Designs" status and should be used only for legacy design maintenance or replacement scenarios.

For general-purpose applications without automotive requirements, all active parts are suitable. CR1206-FX-4642ELF and RC1206FR-0746K4L offer moisture-resistant features as an alternative to anti-sulfur protection.

All substitute parts maintain ROHS3 compliance and MSL 1 rating, ensuring compatibility with standard PCB assembly processes and storage conditions.

Frequently Asked Questions (FAQ)

Q: Can ERJ-8ENF4642V be used in new automotive designs? A: No. ERJ-8ENF4642V carries "Not For New Designs" status. For new automotive designs, use ERJ-S08F4642V, CRCW120646K4FKEA, or RMCF1206FT46K4.

Q: What is the difference between anti-sulfur and moisture-resistant features? A: Both are protective coatings. Anti-sulfur protection (ERJ-S08F4642V, RMCF1206FT46K4) guards against sulfur contamination in harsh environments. Moisture-resistant protection (CR1206-FX-4642ELF, RC1206FR-0746K4L) guards against humidity ingress. Feature selection depends on environmental exposure conditions.

Q: Are all substitute parts physically interchangeable? A: Yes. All parts use the 1206 (3216 Metric) package with identical electrical specifications (46.4 kΩ ±1%, 0.25W, ±100ppm/°C, -55~155°C). Physical dimensions vary slightly in height (0.024" to 0.030" seated height), but all fit standard 1206 footprints.

Q: Which substitute part has the highest inventory availability? A: ERJ-8ENF4642V has the highest inventory (58,753 pcs), but it is not recommended for new designs. Among active parts, CRCW120646K4FKEA has 15,705 pcs available.

Q: Do all substitute parts meet RoHS3 compliance? A: Yes. All listed parts are ROHS3 compliant with MSL 1 rating, suitable for standard PCB assembly and storage without special handling.

Q: Can I use CR1206-FX-4642ELF or RC1206FR-0746K4L in automotive applications? A: These parts are electrically and mechanically compatible but lack AEC-Q200 automotive qualification. Use only in non-automotive applications or where automotive qualification is not required.

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