Equivalent & Substitute Parts for RC1005F3482CS

Part Overview

The RC1005F3482CS is a 34.8 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in the 0402 (1005 Metric) package format. This component is rated for 0.063W (1/16W) power dissipation with a temperature coefficient of ±100ppm/°C and operates across the -55°C to 155°C temperature range. The part features moisture resistance and complies with ROHS3 and REACH standards. As an active product with 910 pieces in current inventory, equivalent and substitute parts are available from multiple manufacturers to support design flexibility, supply chain continuity, and application-specific requirements.

Key Parameters

Parameter	Value
Resistance	34.8 kOhms
Tolerance	±1%
Power Rating	0.063W (1/16W)
Package	0402 (1005 Metric)
Composition	Thick Film
Temperature Coefficient	±100ppm/°C
Operating Temperature Range	-55°C to 155°C
Moisture Sensitivity Level	1 (Unlimited)
RoHS Status	ROHS3 Compliant
REACH Status	REACH Unaffected

Substitute Part Grouping Explanation

Substitute parts for the RC1005F3482CS are classified based on electrical and mechanical parameter alignment. All substitute candidates maintain the core electrical specifications: 34.8 kOhms resistance value, ±1% tolerance, thick film composition, ±100ppm/°C temperature coefficient, and -55°C to 155°C operating temperature range. All candidates are packaged in 0402 (1005 Metric) format with 2 terminations and comply with ROHS3 and REACH requirements.

Direct Substitutes share identical power ratings (0.063W/1/16W), physical dimensions, and moisture sensitivity classification. These parts are interchangeable without design modification.

Upgrade Substitutes feature enhanced power ratings (0.1W/1/10W) or automotive-grade certifications (AEC-Q200), providing additional performance margin or qualification for regulated applications while maintaining all other core parameters.

Similar Substitutes include automotive AEC-Q200 qualification or enhanced moisture resistance features, with minor dimensional variations within acceptable tolerances for the 0402 package class.

The following parameters determine substitution eligibility:

Resistance value and tolerance
Package format and physical dimensions
Power rating (equal or higher acceptable)
Temperature coefficient and operating range
Composition type (thick film)
Compliance certifications (ROHS3, REACH)

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op Temp Range	Features	RoHS	MSL
RC1005F3482CS	Samsung Electro-Mechanics	34.8 kΩ	±1%	0.063	0402	±100ppm/°C	-55 to 155°C	Moisture Resistant	ROHS3	1
CR0402-FX-3482GLF	Bourns Inc.	34.8 kΩ	±1%	0.063	0402	±100ppm/°C	-55 to 155°C	—	ROHS3	1
RC0402FR-0734K8L	YAGEO	34.8 kΩ	±1%	0.063	0402	±100ppm/°C	-55 to 155°C	Moisture Resistant	ROHS3	1
ERJ-2RKF3482X	Panasonic Electronic Components	34.8 kΩ	±1%	0.1	0402	±100ppm/°C	-55 to 155°C	Automotive AEC-Q200	ROHS3	1
AC0402FR-0734K8L	YAGEO	34.8 kΩ	±1%	0.063	0402	±100ppm/°C	-55 to 155°C	Automotive AEC-Q200, Moisture Resistant	ROHS3	1
CRCW040234K8FKED	Vishay Dale	34.8 kΩ	±1%	0.063	0402	±100ppm/°C	-55 to 155°C	Automotive AEC-Q200	ROHS3	1
RMCF0402FT34K8	Stackpole Electronics Inc	34.8 kΩ	±1%	0.063	0402	±100ppm/°C	-55 to 155°C	Automotive AEC-Q200	ROHS3	1

Engineering Selection Recommendations

Direct Substitution (No Design Changes Required)

CR0402-FX-3482GLF (Bourns Inc.) and RC0402FR-0734K8L (YAGEO) are direct electrical and mechanical equivalents to the RC1005F3482CS. Both maintain identical power ratings, package dimensions, and compliance certifications. CR0402-FX-3482GLF offers 34,254 pieces in inventory, while RC0402FR-0734K8L provides 84,481 pieces, supporting high-volume production requirements.

Upgrade Selection (Enhanced Performance Margin)

ERJ-2RKF3482X (Panasonic Electronic Components) provides a 0.1W power rating compared to the 0.063W specification of the main part, delivering increased thermal headroom in power-dissipation-sensitive applications. This part carries automotive AEC-Q200 qualification and maintains all other electrical parameters. With 129,561 pieces in inventory, this option supports both commercial and automotive-grade applications.

Automotive-Grade Selection (Regulated Applications)

AC0402FR-0734K8L (YAGEO), CRCW040234K8FKED (Vishay Dale), and RMCF0402FT34K8 (Stackpole Electronics Inc) are qualified to automotive AEC-Q200 standards. These parts are suitable for applications requiring automotive-grade component certification while maintaining the original 0.063W power rating and 34.8 kOhms specification. RMCF0402FT34K8 offers the highest inventory availability at 186,952 pieces.

All substitute parts comply with ROHS3 and REACH requirements, matching the environmental and regulatory status of the main part.

Frequently Asked Questions (FAQ)

Q: Can CR0402-FX-3482GLF replace RC1005F3482CS in existing designs without modification?

A: Yes. CR0402-FX-3482GLF is a direct substitute with identical electrical specifications (34.8 kOhms ±1%, 0.063W), package format (0402), temperature coefficient (±100ppm/°C), and operating range (-55°C to 155°C). No design changes are required.

Q: What is the difference between the main part and ERJ-2RKF3482X?

A: ERJ-2RKF3482X features a higher power rating (0.1W versus 0.063W) and includes automotive AEC-Q200 qualification. All other electrical parameters remain identical. The increased power rating provides additional thermal margin and is suitable for automotive applications.

Q: Are the automotive AEC-Q200 parts (AC0402FR-0734K8L, CRCW040234K8FKED, RMCF0402FT34K8) compatible with non-automotive designs?

A: Yes. Automotive-qualified parts meet or exceed commercial-grade specifications and are fully compatible with non-automotive applications. AEC-Q200 certification indicates enhanced reliability testing and qualification, providing additional assurance for any application.

Q: Do all substitute parts have the same physical dimensions as RC1005F3482CS?

A: All substitute parts are packaged in the 0402 (1005 Metric) format with dimensions of 0.039" L × 0.020" W (1.00mm × 0.50mm). AC0402FR-0734K8L has a maximum seated height of 0.015" (0.37mm) compared to 0.016" (0.40mm) for other parts. This minor variation remains within 0402 package class tolerances and does not affect PCB layout or assembly.

Q: Which substitute offers the best inventory availability?

A: RMCF0402FT34K8 (Stackpole Electronics Inc) provides the highest inventory with 186,952 pieces in stock. ERJ-2RKF3482X (Panasonic) offers 129,561 pieces, and RC0402FR-0734K8L (YAGEO) provides 84,481 pieces. All three support high-volume production requirements.

Q: Can I use a substitute part with a higher power rating in place of the original?

A: Yes. ERJ-2RKF3482X with 0.1W rating is a valid upgrade substitute for the 0.063W-rated RC1005F3482CS. Higher power ratings provide additional thermal margin without affecting electrical performance. No design modification is required.

Q: Are all substitute parts ROHS3 and REACH compliant?

A: Yes. All substitute parts listed maintain ROHS3 compliance and REACH Unaffected status, matching the environmental and regulatory requirements of the main part.

Q: What is Moisture Sensitivity Level (MSL) 1, and why do some parts not list moisture resistance features?

A: MSL 1 indicates unlimited shelf life without moisture-related degradation. Parts without explicit "Moisture Resistant" features in the description still maintain MSL 1 classification, ensuring equivalent moisture performance. CR0402-FX-3482GLF (Bourns) is an example of a direct substitute with MSL 1 despite no specific moisture resistance notation.

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