RC1608F7872CS Equivalent & Substitute Parts Reference

Part Overview

The RC1608F7872CS is a 78.7 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics, rated at 0.1W (1/10W) power dissipation in a 0603 (1608 Metric) surface mount package. This component is classified as Active product status with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). The part is supplied in Tape & Reel packaging format.

Equivalent and substitute parts are identified when design requirements necessitate alternative sourcing due to inventory constraints, supply chain considerations, or application-specific certifications such as automotive AEC-Q200 qualification.

Key Parameters

Parameter	Value
Resistance	78.7 kOhms
Tolerance	±1%
Power Rating	0.1W (1/10W)
Package / Case	0603 (1608 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 RC1608F7872CS is determined by strict equivalence across the following critical parameters:

Mandatory Equivalence Parameters:

Resistance value: 78.7 kOhms
Tolerance: ±1%
Power rating: 0.1W (1/10W)
Package: 0603 (1608 Metric)
Composition: Thick Film
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C ~ 155°C
Number of terminations: 2

All identified substitute parts meet these mandatory parameters. Substitute parts are further categorized by additional features:

Direct Substitutes (Standard Industrial Grade):

CR0603-FX-7872ELF (Bourns Inc.)
RC0603FR-0778K7L (YAGEO)

Similar Substitutes (Automotive AEC-Q200 Qualified):

AC0603FR-0778K7L (YAGEO)
CRCW060378K7FKEA (Vishay Dale)
CRCW060378K7FKTA (Vishay Dale)
ERJ-3EKF7872V (Panasonic Electronic Components)
RMCF0603FT78K7 (Stackpole Electronics Inc)

Automotive-qualified parts include AEC-Q200 certification, which is an additional feature not present in the main part specification. These parts are suitable for applications requiring automotive-grade reliability standards.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op Temp Range	RoHS Status	AEC-Q200	Inventory (Pcs)
RC1608F7872CS	Samsung Electro-Mechanics	78.7 kΩ	±1%	0.1	0603	±100ppm/°C	-55~155°C	ROHS3	No	1057
CR0603-FX-7872ELF	Bourns Inc.	78.7 kΩ	±1%	0.1	0603	±100ppm/°C	-55~155°C	ROHS3	No	60432
RC0603FR-0778K7L	YAGEO	78.7 kΩ	±1%	0.1	0603	±100ppm/°C	-55~155°C	ROHS3	No	86116
AC0603FR-0778K7L	YAGEO	78.7 kΩ	±1%	0.1	0603	±100ppm/°C	-55~155°C	ROHS3	Yes	5910
CRCW060378K7FKEA	Vishay Dale	78.7 kΩ	±1%	0.1	0603	±100ppm/°C	-55~155°C	ROHS3	Yes	45300
CRCW060378K7FKTA	Vishay Dale	78.7 kΩ	±1%	0.1	0603	±100ppm/°C	-55~155°C	RoHS non-compliant	Yes	10916
ERJ-3EKF7872V	Panasonic Electronic Components	78.7 kΩ	±1%	0.1	0603	±100ppm/°C	-55~155°C	ROHS3	Yes	54901
RMCF0603FT78K7	Stackpole Electronics Inc	78.7 kΩ	±1%	0.1	0603	±100ppm/°C	-55~155°C	ROHS3	Yes	36066

Engineering Selection Recommendations

For Standard Industrial Applications:

CR0603-FX-7872ELF (Bourns Inc.) and RC0603FR-0778K7L (YAGEO) are direct substitutes with identical electrical and mechanical specifications to the RC1608F7872CS. Both parts maintain ROHS3 compliance and MSL 1 rating. Selection between these options is based on inventory availability and supply chain logistics.

For Automotive Applications Requiring AEC-Q200 Certification:

AC0603FR-0778K7L (YAGEO), CRCW060378K7FKEA (Vishay Dale), ERJ-3EKF7872V (Panasonic Electronic Components), and RMCF0603FT78K7 (Stackpole Electronics Inc) are qualified substitutes. All four parts carry AEC-Q200 automotive qualification and ROHS3 compliance. These parts are suitable for automotive-grade circuit designs where reliability standards exceed standard industrial requirements.

Compliance Consideration:

CRCW060378K7FKTA (Vishay Dale) carries RoHS non-compliance status and REACH Affected designation. This part is functionally equivalent but restricted in applications subject to RoHS3 or REACH regulatory requirements. Selection of this part requires explicit confirmation that regulatory restrictions do not apply to the end application.

Inventory and Availability:

CR0603-FX-7872ELF maintains the highest inventory level at 60,432 pieces. RC0603FR-0778K7L follows with 86,116 pieces. ERJ-3EKF7872V provides 54,901 pieces with automotive qualification. CRCW060378K7FKTA has the lowest inventory at 10,916 pieces.

Frequently Asked Questions (FAQ)

Q: Can CR0603-FX-7872ELF replace RC1608F7872CS in any application?

A: CR0603-FX-7872ELF is a direct substitute meeting all electrical and mechanical parameters of RC1608F7872CS. Both parts share identical resistance (78.7 kΩ), tolerance (±1%), power rating (0.1W), package (0603), temperature coefficient (±100ppm/°C), and operating range (-55°C ~ 155°C). Substitution is valid for standard industrial applications where AEC-Q200 automotive qualification is not required.

Q: What is the difference between standard and automotive-qualified substitutes?

A: Automotive-qualified substitutes (AC0603FR-0778K7L, CRCW060378K7FKEA, ERJ-3EKF7872V, RMCF0603FT78K7) carry AEC-Q200 certification, indicating compliance with automotive reliability and quality standards. Standard substitutes (CR0603-FX-7872ELF, RC0603FR-0778K7L) do not carry this certification. Selection depends on whether the application requires automotive-grade reliability standards.

Q: Are there physical dimension differences between substitute parts?

A: Most substitute parts maintain the 0603 (1608 Metric) package designation with dimensions of 0.063" L x 0.031" W (1.60mm x 0.80mm) and height of 0.022" (0.55mm). CRCW060378K7FKEA and CRCW060378K7FKTA have slightly different dimensions: 0.061" L x 0.033" W (1.55mm x 0.85mm) and height of 0.020" (0.50mm). These dimensional variations remain within 0603 package classification and do not affect PCB footprint compatibility for standard 0603 land patterns.

Q: Why is CRCW060378K7FKTA marked as RoHS non-compliant?

A: CRCW060378K7FKTA carries RoHS non-compliance status and REACH Affected designation. This part is functionally and electrically equivalent but subject to regulatory restrictions in applications requiring RoHS3 or REACH compliance. Use of this part is restricted to applications where these regulatory requirements do not apply.

Q: Which substitute offers the best inventory availability?

A: RC0603FR-0778K7L (YAGEO) provides the highest inventory at 86,116 pieces. CR0603-FX-7872ELF (Bourns Inc.) follows with 60,432 pieces. For automotive-qualified alternatives, ERJ-3EKF7872V (Panasonic) offers 54,901 pieces and RMCF0603FT78K7 (Stackpole) provides 36,066 pieces.

Q: Can automotive-qualified parts be used in non-automotive applications?

A: Automotive-qualified parts (AEC-Q200) meet or exceed standard industrial specifications and are suitable for non-automotive applications. Use of automotive-qualified parts in standard industrial applications introduces no compatibility issues and may provide enhanced reliability margins.

Q: What is MSL 1 (Unlimited) moisture sensitivity level?

A: MSL 1 indicates unlimited shelf life without moisture bake requirements. All identified substitute parts carry MSL 1 rating, meaning they do not require special moisture control handling or pre-reflow baking procedures prior to assembly.

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