RC1005F390CS Equivalent & Substitute Parts Reference

Part Overview

The RC1005F390CS is a 39 Ohm ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0402 (1005 Metric) package format with 1/16W power rating. This component is classified as Active product status and is RoHS3 compliant with unlimited moisture sensitivity level (MSL 1). The RC1005F390CS is designed for general-purpose applications requiring precision resistive elements in compact surface-mount form factors. Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and supply chain continuity when the primary part becomes unavailable or when design requirements necessitate alternative sourcing options.

Substiute Parts

RC1005F390CS

Samsung Electro-MechanicsIn Stock: 1157RC1005F390CS Datasheet

Current PartRFQ

CR0402-FX-39R0GLF

Bourns Inc.In Stock: 116554CR0402-FX-39R0GLF Datasheet

DirectRFQ

RC0402FR-0739RL

YAGEOIn Stock: 290492RC0402FR-0739RL Datasheet

DirectRFQ

ERJ-2RKF39R0X

Panasonic Electronic ComponentsIn Stock: 365165ERJ-2RKF39R0X Datasheet

UpgradeRFQ

AC0402FR-0739RL

YAGEOIn Stock: 44726AC0402FR-0739RL Datasheet

SimilarRFQ

CRCW040239R0FKED

Vishay DaleIn Stock: 133586CRCW040239R0FKED Datasheet

SimilarRFQ

RMCF0402FT39R0

Stackpole Electronics IncIn Stock: 99563RMCF0402FT39R0 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC1005F390CS are classified based on strict electrical and mechanical parameter matching. All substitute candidates must satisfy the following mandatory criteria:

Primary Matching Criteria:

• Resistance value: 39 Ohms (exact match required)
• Tolerance: ±1% (exact match required)
• Package / Case: 0402 (1005 Metric) (exact match required)
• Composition: Thick Film (exact match required)
• Temperature Coefficient: ±100ppm/°C (exact match required)
• Operating Temperature Range: -55°C ~ 155°C (exact match required)
• RoHS Status: ROHS3 Compliant (exact match required)
• Moisture Sensitivity Level: MSL 1 (exact match required)

Secondary Consideration:

• Power Rating: 0.063W (1/16W) is the baseline specification. Parts with equal or higher power ratings are acceptable substitutes.

Substitutes are further categorized as follows:

Direct Substitutes: Parts meeting all primary criteria with identical power rating (0.063W / 1/16W).

Upgrade Substitutes: Parts meeting all primary criteria with higher power rating (0.1W / 1/10W), providing enhanced thermal performance while maintaining full electrical compatibility.

Similar Substitutes: Parts meeting all primary criteria with additional features such as Automotive AEC-Q200 qualification, which extends application scope without compromising baseline functionality.

Parameter Comparison

Engineering Selection Recommendations

Direct Substitutes (Identical Specifications):

CR0402-FX-39R0GLF (Bourns Inc.) and RC0402FR-0739RL (YAGEO) are direct functional equivalents to the RC1005F390CS. Both parts maintain identical electrical parameters, power rating, and thermal characteristics. RC0402FR-0739RL includes moisture-resistant features matching the original part specification. Selection between these options depends on packaging preference (Tape & Reel versus Cut Tape & Digi-Reel) and supplier availability.

Upgrade Substitute (Enhanced Power Rating):

ERJ-2RKF39R0X (Panasonic Electronic Components) provides upgraded thermal performance with 0.1W (1/10W) power rating while maintaining all other electrical specifications. This part includes Automotive AEC-Q200 qualification, extending its application scope to automotive-grade circuits. The higher power rating ensures superior thermal margin in power-dissipative applications without requiring design modifications.

Similar Substitutes (AEC-Q200 Qualified):

AC0402FR-0739RL (YAGEO), CRCW040239R0FKED (Vishay Dale), and RMCF0402FT39R0 (Stackpole Electronics Inc) are AEC-Q200 qualified alternatives suitable for automotive and high-reliability applications. AC0402FR-0739RL combines AEC-Q200 qualification with moisture-resistant features. CRCW040239R0FKED and RMCF0402FT39R0 provide AEC-Q200 qualification with standard moisture sensitivity level MSL 1. These parts are interchangeable with the RC1005F390CS in non-automotive applications while offering enhanced qualification for automotive designs.

All substitute parts maintain RoHS3 compliance and MSL 1 rating, ensuring regulatory conformance and simplified handling procedures identical to the original part.

Frequently Asked Questions (FAQ)

Q: Can CR0402-FX-39R0GLF replace RC1005F390CS in all applications?

A: Yes. CR0402-FX-39R0GLF is a direct substitute meeting all electrical, thermal, and mechanical specifications of RC1005F390CS. The only difference is packaging format (Tape & Reel). Verify PCB assembly equipment compatibility with the selected packaging type.

Q: What is the difference between the RC1005F390CS and ERJ-2RKF39R0X?

A: Both parts share identical resistance, tolerance, package, and temperature specifications. ERJ-2RKF39R0X provides higher power rating (0.1W versus 0.063W) and includes Automotive AEC-Q200 qualification. The higher power rating offers improved thermal performance; AEC-Q200 qualification extends application scope to automotive circuits. Electrical behavior in standard applications remains identical.

Q: Are AEC-Q200 qualified parts suitable for non-automotive applications?

A: Yes. AEC-Q200 qualification represents enhanced reliability and quality standards. Parts such as AC0402FR-0739RL, CRCW040239R0FKED, and RMCF0402FT39R0 are fully compatible with non-automotive designs. AEC-Q200 qualification does not restrict application scope; it extends qualification to automotive environments.

Q: Does packaging type (Tape & Reel versus Cut Tape & Digi-Reel) affect electrical performance?

A: No. Packaging type affects only procurement, handling, and assembly logistics. Electrical specifications, thermal performance, and reliability characteristics remain identical regardless of packaging format. Verify assembly equipment compatibility with the selected packaging type before procurement.

Q: Can RC0402FR-0739RL be used as a direct replacement for RC1005F390CS?

A: Yes. RC0402FR-0739RL is a direct substitute with identical electrical specifications and includes moisture-resistant features matching the original part. The primary difference is packaging format (Cut Tape & Digi-Reel versus Tape & Reel). Confirm assembly equipment compatibility with the selected packaging type.

Q: What does MSL 1 (Unlimited) mean for component handling?

A: MSL 1 classification indicates unlimited shelf life without moisture bake-out requirements. Components may be stored at standard conditions without time-based restrictions. This simplifies inventory management and reduces handling complexity compared to higher MSL ratings.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed maintain RoHS3 compliance identical to the RC1005F390CS. Regulatory conformance is maintained across all substitution options.