RC1005F4322CS Equivalent & Substitute Parts Reference

Part Overview

The RC1005F4322CS is a 43.2 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0402 (1005 Metric) package format. This surface mount device is rated at 0.063W (1/16W) power dissipation with 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 identified to address supply chain requirements, inventory availability, or specific application needs while maintaining electrical and mechanical compatibility.

Substiute Parts

RC1005F4322CS

Samsung Electro-MechanicsIn Stock: 1069RC1005F4322CS Datasheet

Current PartRFQ

CR0402-FX-4322GLF

Bourns Inc.In Stock: 51275CR0402-FX-4322GLF Datasheet

DirectRFQ

RC0402FR-0743K2L

YAGEOIn Stock: 2232RC0402FR-0743K2L Datasheet

DirectRFQ

ERJ-2RKF4322X

Panasonic Electronic ComponentsIn Stock: 3071ERJ-2RKF4322X Datasheet

UpgradeRFQ

AC0402FR-0743K2L

YAGEOIn Stock: 12117AC0402FR-0743K2L Datasheet

SimilarRFQ

CRCW040243K2FKED

Vishay DaleIn Stock: 90178CRCW040243K2FKED Datasheet

SimilarRFQ

RMCF0402FT43K2

Stackpole Electronics IncIn Stock: 241560RMCF0402FT43K2 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC1005F4322CS are classified based on strict electrical and mechanical parameter alignment. The primary substitution criteria are:

Critical Parameters for Substitution:

• Resistance value: 43.2 kOhms
• Tolerance: ±1%
• Package format: 0402 (1005 Metric)
• Composition: Thick Film
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C to 155°C
• Termination count: 2
• RoHS3 compliance
• MSL rating: 1 (Unlimited)

Substitution Categories:

Direct Equivalents maintain identical electrical specifications and power rating (0.063W / 1/16W). These parts are functionally interchangeable without circuit redesign.

Upgrade Parts feature enhanced power ratings (0.1W / 1/10W) or additional certifications such as Automotive AEC-Q200 qualification. These parts exceed the original specifications and are suitable for applications requiring higher thermal margin or automotive-grade reliability.

Similar Parts match all critical electrical parameters but may include additional features such as automotive qualification or enhanced moisture resistance. These parts are compatible with the original application while offering supplementary benefits.

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalent Selection:

CR0402-FX-4322GLF (Bourns Inc.) and RC0402FR-0743K2L (YAGEO) are direct functional equivalents to the RC1005F4322CS. Both parts maintain identical electrical specifications, power rating, and package format. Selection between these options is determined by supply chain availability and procurement lead times. Both are ROHS3 compliant with MSL 1 rating.

Upgrade Part Selection:

ERJ-2RKF4322X (Panasonic Electronic Components) provides enhanced power rating at 0.1W (1/10W) compared to the original 0.063W specification. This upgrade is suitable for applications requiring additional thermal margin or where circuit redesign permits higher power dissipation capability. The part includes Automotive AEC-Q200 certification.

Automotive-Grade Selection:

AC0402FR-0743K2L (YAGEO), CRCW040243K2FKED (Vishay Dale), and RMCF0402FT43K2 (Stackpole Electronics Inc) incorporate Automotive AEC-Q200 qualification in addition to standard specifications. These parts are appropriate for automotive applications or systems requiring automotive-grade component reliability. AC0402FR-0743K2L additionally includes moisture resistant construction matching the original part.

All substitute parts maintain ROHS3 compliance and MSL 1 rating, ensuring compatibility with standard PCB assembly processes and environmental requirements.

Frequently Asked Questions (FAQ)

Q: Can CR0402-FX-4322GLF replace RC1005F4322CS directly in production?

A: Yes. CR0402-FX-4322GLF is a direct equivalent with identical resistance (43.2 kOhms), tolerance (±1%), power rating (0.063W), package format (0402), and operating temperature range (-55°C to 155°C). No circuit modification is required.

Q: What is the difference between the original part and ERJ-2RKF4322X?

A: ERJ-2RKF4322X features a higher power rating of 0.1W (1/10W) compared to the original 0.063W (1/16W). All other electrical parameters remain identical. This upgrade provides additional thermal capacity and includes Automotive AEC-Q200 certification.

Q: Are automotive-qualified parts (AEC-Q200) compatible with non-automotive applications?

A: Yes. Automotive-qualified parts meet or exceed standard commercial specifications. Parts such as AC0402FR-0743K2L, CRCW040243K2FKED, and RMCF0402FT43K2 are fully compatible with non-automotive applications while providing enhanced reliability margins.

Q: Does packaging format affect substitution compatibility?

A: All substitute parts use the 0402 (1005 Metric) package format, ensuring mechanical and footprint compatibility. Packaging type (Tape & Reel or Cut Tape) affects procurement and assembly logistics but does not impact electrical performance or PCB placement.

Q: What is the significance of MSL 1 rating for all parts?

A: MSL 1 (Unlimited) indicates these parts have unlimited shelf life and do not require special moisture control during storage or handling. All listed parts share this rating with the original RC1005F4322CS.

Q: Can I use RC0402FR-0743K2L as a substitute if moisture resistance is critical?

A: Yes. RC0402FR-0743K2L includes moisture resistant construction identical to the original part. Both RC0402FR-0743K2L and AC0402FR-0743K2L provide moisture resistant thick film composition.

Q: What inventory considerations apply to substitute selection?

A: Inventory availability varies by part number. RMCF0402FT43K2 (Stackpole) shows highest inventory at 241,470 pieces. Selection should balance availability with application requirements and lead time constraints.