ERJ-S08F2101V Equivalent & Substitute Parts

Part Overview

The ERJ-S08F2101V is a 2.1 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 applications requiring high reliability in harsh environments. The part is currently in active production status with 1044 units in stock.

Substitute parts become necessary when the primary part faces supply constraints, extended lead times, or when design flexibility permits equivalent alternatives that meet identical electrical and mechanical specifications.

Key Parameters

Parameter	Value
Resistance	2.1 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-S08F2101V is determined by strict equivalence across the following parameters:

Resistance value: 2.1 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 listed substitute parts meet these core electrical and mechanical requirements. Variations in secondary features such as anti-sulfur coating, moisture resistance, or automotive qualification do not disqualify substitution but may influence selection based on application-specific requirements.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op. Temp Range	Product Status	Inventory
ERJ-S08F2101V	Panasonic	2.1 kΩ	±1%	0.25	1206	±100ppm/°C	-55°C ~ 155°C	Active	1044
ERJ-8ENF2101V	Panasonic	2.1 kΩ	±1%	0.25	1206	±100ppm/°C	-55°C ~ 155°C	Not For New Designs	171133
CR1206-FX-2101ELF	Bourns Inc.	2.1 kΩ	±1%	0.25	1206	±100ppm/°C	-55°C ~ 155°C	Active	23627
CRCW12062K10FKEA	Vishay Dale	2.1 kΩ	±1%	0.25	1206	±100ppm/°C	-55°C ~ 155°C	Active	20331
RC1206FR-072K1L	YAGEO	2.1 kΩ	±1%	0.25	1206	±100ppm/°C	-55°C ~ 155°C	Active	22521
RMCF1206FT2K10	Stackpole Electronics Inc	2.1 kΩ	±1%	0.25	1206	±100ppm/°C	-55°C ~ 155°C	Active	6050

Engineering Selection Recommendations

All substitute parts listed above are electrically and mechanically equivalent to the ERJ-S08F2101V and are suitable for direct replacement in applications where the primary part is unavailable.

For new designs, prioritize parts with Active product status: CR1206-FX-2101ELF (Bourns), CRCW12062K10FKEA (Vishay Dale), RC1206FR-072K1L (YAGEO), and RMCF1206FT2K10 (Stackpole Electronics Inc). These parts offer long-term availability and manufacturer support.

The ERJ-8ENF2101V, while electrically equivalent and available in high volume, carries a "Not For New Designs" status and should be reserved for legacy system maintenance or repair applications only.

For automotive applications requiring AEC-Q200 qualification, select from: ERJ-S08F2101V (primary), CRCW12062K10FKEA, or RMCF1206FT2K10. These parts explicitly carry automotive ratings.

All substitute parts maintain ROHS3 compliance and MSL rating 1 (Unlimited), ensuring compatibility with standard manufacturing and storage conditions.

Frequently Asked Questions (FAQ)

Q: Can ERJ-8ENF2101V replace ERJ-S08F2101V in new designs?

A: No. While electrically and mechanically equivalent, ERJ-8ENF2101V carries "Not For New Designs" status. Use only for legacy system support or repair. For new designs, select from active-status alternatives.

Q: Are all substitute parts suitable for automotive applications?

A: No. Only ERJ-S08F2101V, CRCW12062K10FKEA, and RMCF1206FT2K10 carry explicit AEC-Q200 automotive qualification. Other substitutes are suitable for general industrial applications.

Q: What is the difference between anti-sulfur and moisture-resistant coatings?

A: Anti-sulfur coating (ERJ-S08F2101V) protects against sulfur-containing atmospheric contaminants. Moisture-resistant coating (CR1206-FX-2101ELF, RC1206FR-072K1L) protects against humidity ingress. Both are valid for different environmental conditions. Selection depends on application environment.

Q: Are there physical dimension differences between substitute parts?

A: All parts use 1206 (3216 Metric) package. Minor height variations exist: ERJ-S08F2101V and RMCF1206FT2K10 measure 0.028" (0.70mm); CR1206-FX-2101ELF measures 0.030" (0.75mm); RC1206FR-072K1L measures 0.026" (0.65mm); CRCW12062K10FKEA measures 0.024" (0.60mm). These variations are within standard PCB assembly tolerances and do not affect interchangeability.

Q: Which substitute offers the best availability?

A: ERJ-8ENF2101V has the highest inventory (171133 units), but carries obsolescence risk. Among active-status parts, RC1206FR-072K1L (22521 units) and CR1206-FX-2101ELF (23627 units) offer strong availability.

Q: Do all parts meet the same compliance standards?

A: All listed parts are ROHS3 compliant with MSL rating 1 (Unlimited). REACH status is "Unaffected" for all parts. Automotive-rated parts additionally carry AEC-Q200 qualification.

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