RC2012F3922CS Equivalent & Substitute Parts

Part Overview

The RC2012F3922CS is a 39.2 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0805 (2012 Metric) package format with 0.125W power rating. This surface mount device features moisture-resistant construction and operates across the temperature range of -55°C to 155°C. The part maintains Active product status with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). Equivalent and substitute parts are necessary to address supply chain continuity, inventory management, and application-specific requirements such as automotive qualification or enhanced pulse withstanding capabilities.

Key Parameters

Parameter	Value
Resistance	39.2 kOhms
Tolerance	±1%
Power Rating	0.125W (1/8W)
Package / Case	0805 (2012 Metric)
Composition	Thick Film
Temperature Coefficient	±100ppm/°C
Operating Temperature Range	-55°C to 155°C
Number of Terminations	2
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the RC2012F3922CS is determined by strict equivalence across the following critical parameters: resistance value (39.2 kOhms), tolerance (±1%), power rating (0.125W), package format (0805 / 2012 Metric), composition (thick film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C to 155°C), and compliance certifications (ROHS3, REACH Unaffected). All substitute parts listed maintain identical electrical specifications and mechanical dimensions. Variations in height-seated maximum, packaging format (Tape & Reel versus Cut Tape), and additional features (automotive AEC-Q200 qualification, pulse withstanding capability) are noted but do not prevent functional substitution when these parameters are not application-critical. Parts are grouped as Direct Manufacturer equivalents or Similar parts based on exact parameter alignment and feature parity.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (Watts)	Package	Composition	Temp Coeff	Operating Temp	Height Max (mm)	Features	RoHS Status	MSL
RC2012F3922CS	Samsung Electro-Mechanics	39.2 kOhms	±1%	0.125W	0805	Thick Film	±100ppm/°C	-55°C ~ 155°C	0.65	Moisture Resistant	ROHS3 Compliant	1
CR0805-FX-3922ELF	Bourns Inc.	39.2 kOhms	±1%	0.125W	0805	Thick Film	±100ppm/°C	-55°C ~ 155°C	0.60	Moisture Resistant	ROHS3 Compliant	1
ERJ-6ENF3922V	Panasonic Electronic Components	39.2 kOhms	±1%	0.125W	0805	Thick Film	±100ppm/°C	-55°C ~ 155°C	0.70	Automotive AEC-Q200	ROHS3 Compliant	1
KTR10EZPF3922	Rohm Semiconductor	39.2 kOhms	±1%	0.125W	0805	Thick Film	±100ppm/°C	-55°C ~ 155°C	0.65	Automotive AEC-Q200, High Voltage	ROHS3 Compliant	1
RC0805FR-0739K2L	YAGEO	39.2 kOhms	±1%	0.125W	0805	Thick Film	±100ppm/°C	-55°C ~ 155°C	0.60	Moisture Resistant	ROHS3 Compliant	1
RMCF0805FT39K2	Stackpole Electronics Inc	39.2 kOhms	±1%	0.125W	0805	Thick Film	±100ppm/°C	-55°C ~ 155°C	0.65	Automotive AEC-Q200	ROHS3 Compliant	1
AC0805FR-0739K2L	YAGEO	39.2 kOhms	±1%	0.125W	0805	Thick Film	±100ppm/°C	-55°C ~ 155°C	0.60	Automotive AEC-Q200, Moisture Resistant	ROHS3 Compliant	1
CRCW080539K2FKEA	Vishay Dale	39.2 kOhms	±1%	0.125W	0805	Thick Film	±100ppm/°C	-55°C ~ 155°C	0.50	Automotive AEC-Q200	ROHS3 Compliant	1
CRCW080539K2FKEAHP	Vishay Dale	39.2 kOhms	±1%	0.5W	0805	Thick Film	±100ppm/°C	-55°C ~ 155°C	0.50	Automotive AEC-Q200, Pulse Withstanding	ROHS3 Compliant	1
CRCW080539K2FKTA	Vishay Dale	39.2 kOhms	±1%	0.125W	0805	Thick Film	±100ppm/°C	-55°C ~ 155°C	0.50	Automotive AEC-Q200	RoHS non-compliant	1

Engineering Selection Recommendations

Direct Manufacturer Equivalents (Preferred for Drop-In Replacement)

CR0805-FX-3922ELF (Bourns Inc.), ERJ-6ENF3922V (Panasonic Electronic Components), KTR10EZPF3922 (Rohm Semiconductor), RC0805FR-0739K2L (YAGEO), and RMCF0805FT39K2 (Stackpole Electronics Inc) are direct functional equivalents to the RC2012F3922CS. All maintain identical electrical specifications, operating temperature range, and ROHS3 compliance. These parts are suitable for direct substitution in applications where the original part is unavailable. ERJ-6ENF3922V, KTR10EZPF3922, and RMCF0805FT39K2 include automotive AEC-Q200 qualification, which provides additional reliability assurance for automotive applications.

Similar Parts with Enhanced Features

AC0805FR-0739K2L (YAGEO) combines moisture-resistant construction with automotive AEC-Q200 qualification, offering enhanced environmental protection and automotive-grade reliability. CRCW080539K2FKEA (Vishay Dale) provides automotive AEC-Q200 qualification with reduced height-seated maximum (0.50mm), suitable for space-constrained designs. CRCW080539K2FKEAHP (Vishay Dale) offers increased power rating (0.5W versus 0.125W) with pulse withstanding capability, applicable to circuits requiring higher transient energy dissipation.

Compliance Considerations

CRCW080539K2FKTA (Vishay Dale) is RoHS non-compliant and REACH Affected. This part is not suitable for applications requiring ROHS3 compliance or REACH compliance verification.

Frequently Asked Questions (FAQ)

Q: Can I substitute RC2012F3922CS with any of the listed equivalent parts?

A: Yes, all Direct Manufacturer Equivalent parts listed (CR0805-FX-3922ELF, ERJ-6ENF3922V, KTR10EZPF3922, RC0805FR-0739K2L, RMCF0805FT39K2) are electrically and mechanically compatible with the RC2012F3922CS. Verify compliance requirements before selecting parts with different certifications.

Q: What is the difference between the main part and CRCW080539K2FKEAHP?

A: CRCW080539K2FKEAHP has a higher power rating (0.5W versus 0.125W) and includes pulse withstanding capability. This part is suitable for applications requiring higher transient energy handling. The 0805 package dimensions remain identical, allowing physical substitution in most layouts.

Q: Are all substitute parts ROHS3 compliant?

A: No. CRCW080539K2FKTA is RoHS non-compliant. All other listed parts are ROHS3 compliant. Verify compliance requirements for your application before selection.

Q: What does AEC-Q200 qualification mean?

A: AEC-Q200 is an automotive industry standard qualification for passive components. Parts bearing this qualification (ERJ-6ENF3922V, KTR10EZPF3922, RMCF0805FT39K2, AC0805FR-0739K2L, CRCW080539K2FKEA, CRCW080539K2FKEAHP, CRCW080539K2FKTA) have undergone additional reliability testing and are suitable for automotive applications.

Q: Does package format affect substitution?

A: All listed parts use the 0805 (2012 Metric) package format with identical length (0.079") and width (0.049") dimensions. Height-seated maximum varies slightly (0.50mm to 0.70mm) but does not prevent physical substitution in standard PCB layouts. Verify clearance in space-constrained designs.

Q: What is Moisture Sensitivity Level (MSL)?

A: MSL 1 indicates unlimited shelf life without moisture control requirements. All listed parts have MSL 1 rating, eliminating moisture-related handling constraints during storage and assembly.

Q: Can I use CRCW080539K2FKEAHP as a direct replacement?

A: CRCW080539K2FKEAHP is electrically compatible but has double the power rating (0.5W). It is suitable for substitution in applications where the original 0.125W rating is adequate. The higher power rating provides additional thermal margin and pulse withstanding capability without affecting normal operation at lower power levels.

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