ERJ-S08F4531V Equivalent & Substitute Parts

Part Overview

The ERJ-S08F4531V is a 4.53 kOhms ±1% 0.25W chip resistor in 1206 (3216 Metric) package manufactured by Panasonic Electronic Components. This thick film resistor features anti-sulfur coating and automotive AEC-Q200 qualification, designed for high-reliability applications in automotive and industrial environments. The part is currently active in production with 964 units in stock.

Substitute parts are necessary when the primary part becomes unavailable, when design flexibility is required across multiple suppliers, or when specific feature requirements (such as moisture resistance or alternative automotive certifications) align with application needs.

Key Parameters

Parameter	Value
Resistance	4.53 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-S08F4531V is determined by strict equivalence across the following parameters:

Resistance value: 4.53 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 five substitute parts listed meet these core electrical and mechanical requirements. Variations in product status, specific feature sets (anti-sulfur vs. moisture resistant), and manufacturer certifications do not affect functional interchangeability within the specified parameter envelope.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op. Temp Range	Product Status	Features	Inventory (Pcs)
ERJ-S08F4531V	Panasonic	4.53 kΩ	±1%	0.25	1206	±100ppm/°C	-55°C ~ 155°C	Active	Anti-Sulfur, AEC-Q200	964
ERJ-8ENF4531V	Panasonic	4.53 kΩ	±1%	0.25	1206	±100ppm/°C	-55°C ~ 155°C	Not For New Designs	AEC-Q200	63445
CR1206-FX-4531ELF	Bourns Inc.	4.53 kΩ	±1%	0.25	1206	±100ppm/°C	-55°C ~ 155°C	Active	Moisture Resistant	25659
CRCW12064K53FKEA	Vishay Dale	4.53 kΩ	±1%	0.25	1206	±100ppm/°C	-55°C ~ 155°C	Active	AEC-Q200	20570
RC1206FR-074K53L	YAGEO	4.53 kΩ	±1%	0.25	1206	±100ppm/°C	-55°C ~ 155°C	Active	Moisture Resistant	44991
RMCF1206FT4K53	Stackpole Electronics Inc	4.53 kΩ	±1%	0.25	1206	±100ppm/°C	-55°C ~ 155°C	Active	AEC-Q200	15199

Engineering Selection Recommendations

All substitute parts are functionally equivalent to the ERJ-S08F4531V within the specified electrical and mechanical parameter envelope. Selection among alternatives should be based on the following criteria:

Active Production Status: CRCW12064K53FKEA (Vishay Dale), CR1206-FX-4531ELF (Bourns Inc.), RC1206FR-074K53L (YAGEO), and RMCF1206FT4K53 (Stackpole Electronics Inc.) are all designated as Active. The ERJ-8ENF4531V (Panasonic) is marked as Not For New Designs and should be used only for legacy system maintenance or when existing inventory constraints require it.

Automotive Compliance: For applications requiring AEC-Q200 certification, select from CRCW12064K53FKEA, RMCF1206FT4K53, or the primary part ERJ-S08F4531V. The ERJ-8ENF4531V also carries AEC-Q200 rating despite its legacy status.

Moisture Resistance: CR1206-FX-4531ELF and RC1206FR-074K53L are specified with moisture-resistant characteristics, suitable for applications with elevated humidity exposure or condensation risk.

Inventory Availability: RC1206FR-074K53L offers the highest stock level (44991 units), followed by ERJ-8ENF4531V (63445 units). The primary part ERJ-S08F4531V has the lowest inventory (964 units).

Frequently Asked Questions (FAQ)

Q: Can ERJ-8ENF4531V be used in new designs? A: ERJ-8ENF4531V is marked as Not For New Designs. It is suitable only for replacement in existing systems or when legacy compatibility is required. For new designs, select from the Active status alternatives: CRCW12064K53FKEA, CR1206-FX-4531ELF, RC1206FR-074K53L, or RMCF1206FT4K53.

Q: What is the difference between anti-sulfur and moisture-resistant features? A: Anti-sulfur coating protects against sulfur-containing atmospheric contaminants common in industrial environments. Moisture-resistant construction provides enhanced protection against humidity and condensation. Both are thick film resistor enhancements; selection depends on the specific environmental exposure of the application.

Q: Are all substitute parts pin-compatible with ERJ-S08F4531V? A: Yes. All substitute parts use the 1206 (3216 Metric) package with 2 terminations, identical footprint dimensions, and standard PCB pad layouts. Physical and electrical interchangeability is confirmed.

Q: Does the slight variation in maximum seated height affect PCB assembly? A: Height variations range from 0.024" (0.60mm) to 0.030" (0.75mm) across the part group. These differences are within standard PCB assembly tolerances and do not affect placement, reflow, or functional performance. Verify with your assembly process specifications if height-constrained applications are involved.

Q: Which substitute offers the best long-term availability? A: YAGEO (RC1206FR-074K53L) and Stackpole Electronics Inc. (RMCF1206FT4K53) are established high-volume suppliers with strong market presence. Both are Active status with substantial inventory levels.

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