RMCS0805FT392R Equivalent & Substitute Parts

Part Overview

The RMCS0805FT392R is a 392 Ohms ±1% 0.125W thick film chip resistor in 0805 (2012 Metric) package manufactured by Stackpole Electronics Inc. This anti-sulfur resistor is currently in active production status with 964 pieces available in stock. Equivalent and substitute parts are identified when applications require alternative sourcing due to inventory constraints, supply chain considerations, or specific certification requirements such as automotive AEC-Q200 qualification.

Key Parameters

Parameter	Value
Resistance	392 Ohms
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
Terminations	2
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the RMCS0805FT392R is determined by strict equivalence across the following critical parameters:

Resistance value: 392 Ohms
Tolerance: ±1%
Power rating: 0.125W (1/8W)
Package: 0805 (2012 Metric)
Composition: Thick Film
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C to 155°C
Termination count: 2
Moisture sensitivity level: 1 (Unlimited)

All identified substitute parts meet these core electrical and mechanical specifications. Variations in physical height, packaging format (Tape & Reel vs. Cut Tape), and optional certifications (such as AEC-Q200 automotive qualification) do not affect functional substitutability within the specified parameter constraints.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op. Temp Range	Height (Max)	RoHS Status	Inventory (Pcs)
RMCS0805FT392R	Stackpole Electronics Inc	392 Ω	±1%	0.125	0805	±100ppm/°C	-55°C ~ 155°C	0.024" (0.60mm)	ROHS3 Compliant	964
RMCF0805FT392R	Stackpole Electronics Inc	392 Ω	±1%	0.125	0805	±100ppm/°C	-55°C ~ 155°C	0.026" (0.65mm)	ROHS3 Compliant	477224
CRCW0805392RFKEA	Vishay Dale	392 Ω	±1%	0.125	0805	±100ppm/°C	-55°C ~ 155°C	0.020" (0.50mm)	ROHS3 Compliant	54076
CRCW0805392RFKTA	Vishay Dale	392 Ω	±1%	0.125	0805	±100ppm/°C	-55°C ~ 155°C	0.020" (0.50mm)	RoHS Non-Compliant	5683
ERJ-6ENF3920V	Panasonic Electronic Components	392 Ω	±1%	0.125	0805	±100ppm/°C	-55°C ~ 155°C	0.028" (0.70mm)	ROHS3 Compliant	140432
RC0805FR-07392RL	YAGEO	392 Ω	±1%	0.125	0805	±100ppm/°C	-55°C ~ 155°C	0.024" (0.60mm)	ROHS3 Compliant	255220

Engineering Selection Recommendations

All substitute parts listed maintain full electrical and mechanical compatibility with the RMCS0805FT392R across the specified parameter set. Selection among alternatives should be based on the following factors:

RMCF0805FT392R (Stackpole Electronics Inc): Highest inventory availability (477,224 pieces). Carries AEC-Q200 automotive qualification. Manufactured by the same supplier as the primary part, ensuring process consistency. Height tolerance 0.026" (0.65mm) is within acceptable PCB assembly margins.

CRCW0805392RFKEA (Vishay Dale): ROHS3 compliant with substantial inventory (54,076 pieces). Lowest physical height at 0.020" (0.50mm), suitable for space-constrained applications. AEC-Q200 automotive rated.

CRCW0805392RFKTA (Vishay Dale): RoHS non-compliant status restricts use in regulated applications. Lowest physical height (0.020" / 0.50mm). Limited inventory (5,683 pieces). Not recommended for new designs requiring RoHS compliance.

ERJ-6ENF3920V (Panasonic Electronic Components): Excellent inventory position (140,432 pieces). ROHS3 compliant. AEC-Q200 automotive qualified. Height 0.028" (0.70mm) requires verification against PCB assembly clearance specifications.

RC0805FR-07392RL (YAGEO): Strong inventory availability (255,220 pieces). ROHS3 compliant. Moisture-resistant composition. Height 0.024" (0.60mm) matches primary part specification. Cut Tape & Digi-Reel packaging format differs from standard Tape & Reel.

Frequently Asked Questions (FAQ)

Q: Can RMCF0805FT392R replace RMCS0805FT392R in all applications?

A: Yes. Both parts share identical electrical specifications (392 Ω ±1%, 0.125W, ±100ppm/°C, -55°C to 155°C). The RMCF variant includes AEC-Q200 automotive qualification and differs only in physical height (0.026" vs. 0.024"). Verify PCB assembly clearance for the increased height tolerance.

Q: What is the difference between CRCW0805392RFKEA and CRCW0805392RFKTA?

A: Both are Vishay Dale CRCW series 392 Ω ±1% 0.125W 0805 resistors with identical electrical performance. CRCW0805392RFKEA is ROHS3 compliant and REACH unaffected. CRCW0805392RFKTA is RoHS non-compliant and REACH affected. For new designs, CRCW0805392RFKEA is the appropriate selection.

Q: Are all substitute parts suitable for automotive applications?

A: RMCF0805FT392R, CRCW0805392RFKEA, and ERJ-6ENF3920V carry AEC-Q200 automotive qualification. RMCS0805FT392R and RC0805FR-07392RL do not list AEC-Q200 certification. Verify automotive qualification requirements against application specifications.

Q: Does packaging format (Tape & Reel vs. Cut Tape) affect electrical performance?

A: No. Packaging format affects only handling, storage, and assembly logistics. RC0805FR-07392RL is supplied in Cut Tape & Digi-Reel format while other parts use standard Tape & Reel. Electrical specifications remain identical.

Q: What is the significance of physical height differences among substitute parts?

A: Height variations (0.020" to 0.028") are within 0805 package tolerances but may affect PCB assembly clearance, solder reflow profiles, and component placement in densely populated boards. Verify height specifications against PCB design constraints before selection.

Q: Are all substitute parts ROHS3 compliant?

A: Five of six substitute parts are ROHS3 compliant. CRCW0805392RFKTA is RoHS non-compliant and should not be used in applications requiring RoHS compliance.

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