RC1608F3923CS Equivalent & Substitute Parts Reference

Part Overview

The RC1608F3923CS is a 392 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0603 (1608 Metric) package format with 0.1W power rating. This component is classified as Active product status with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). The part is designed for general-purpose applications requiring precision resistive elements with moisture resistance in compact surface-mount form factors. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and environmental operating parameters to ensure direct circuit board compatibility.

Substiute Parts

RC1608F3923CS

Samsung Electro-MechanicsIn Stock: 792RC1608F3923CS Datasheet

Current PartRFQ

CR0603-FX-3923ELF

Bourns Inc.In Stock: 53203CR0603-FX-3923ELF Datasheet

DirectRFQ

RC0603FR-07392KL

YAGEOIn Stock: 142391RC0603FR-07392KL Datasheet

DirectRFQ

AC0603FR-07392KL

YAGEOIn Stock: 1058AC0603FR-07392KL Datasheet

SimilarRFQ

CRCW0603392KFKTA

Vishay DaleIn Stock: 5702CRCW0603392KFKTA Datasheet

SimilarRFQ

ERJ-3EKF3923V

Panasonic Electronic ComponentsIn Stock: 51230ERJ-3EKF3923V Datasheet

SimilarRFQ

RMCF0603FT392K

Stackpole Electronics IncIn Stock: 206494RMCF0603FT392K Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC1608F3923CS are classified into two categories based on electrical and mechanical parameter alignment:

Direct Equivalents (Identical Specifications): Parts meeting all key parameters including resistance value (392 kOhms), tolerance (±1%), power rating (0.1W), package format (0603), composition (thick film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C ~ 155°C), and MSL rating (1). These parts are interchangeable without circuit design modification.

Similar Parts (Automotive-Qualified Variants): Parts matching all electrical and thermal specifications but featuring additional AEC-Q200 automotive qualification. These components are suitable for applications requiring automotive-grade reliability while maintaining identical electrical performance and package compatibility.

Substitution eligibility is determined by:

• Resistance value and tolerance matching
• Power rating equivalence or superiority
• Package/case dimensional compatibility
• Operating temperature range coverage
• Composition type (thick film)
• Moisture sensitivity level compatibility
• RoHS and environmental compliance status

Parameter Comparison

Engineering Selection Recommendations

For General-Purpose Applications (Non-Automotive): CR0603-FX-3923ELF (Bourns Inc.) and RC0603FR-07392KL (YAGEO) are direct equivalents with identical electrical and mechanical specifications to the RC1608F3923CS. Both maintain ROHS3 compliance and MSL 1 rating. Selection between these options depends on packaging preference (Tape & Reel versus Cut Tape & Digi-Reel) and supplier availability.

For Automotive Applications (AEC-Q200 Required): AC0603FR-07392KL (YAGEO), ERJ-3EKF3923V (Panasonic Electronic Components), and RMCF0603FT392K (Stackpole Electronics Inc) provide automotive-grade qualification while maintaining all electrical specifications. These parts are suitable for circuits requiring AEC-Q200 compliance. ROHS3 compliance is maintained by AC0603FR-07392KL, ERJ-3EKF3923V, and RMCF0603FT392K.

Compliance Considerations: CRCW0603392KFKTA (Vishay Dale) carries RoHS non-compliant status and REACH Affected designation. This part is suitable only for applications where RoHS exemptions apply or legacy system requirements permit non-compliant components.

Inventory and Availability: RMCF0603FT392K (Stackpole Electronics Inc) maintains the highest inventory level at 206,452 pieces. RC0603FR-07392KL (YAGEO) provides 142,357 pieces. ERJ-3EKF3923V (Panasonic Electronic Components) offers 51,164 pieces. CR0603-FX-3923ELF (Bourns Inc.) provides 53,157 pieces. AC0603FR-07392KL (YAGEO) maintains 988 pieces.

Frequently Asked Questions (FAQ)

Q: Can RC0603FR-07392KL replace RC1608F3923CS directly on the circuit board? A: Yes. RC0603FR-07392KL matches all critical electrical parameters (392 kΩ, ±1%, 0.1W), operates across the identical temperature range (-55°C ~ 155°C), and uses the same 0603 package format. The primary difference is packaging type (Cut Tape & Digi-Reel versus Tape & Reel), which does not affect circuit performance.

Q: What is the difference between automotive-qualified parts and standard parts? A: Automotive-qualified parts (AC0603FR-07392KL, ERJ-3EKF3923V, RMCF0603FT392K) carry AEC-Q200 certification, indicating compliance with automotive reliability and quality standards. Electrically and mechanically, they are identical to non-automotive variants. AEC-Q200 qualification is required only for automotive applications; general-purpose circuits do not require this certification.

Q: Is CRCW0603392KFKTA suitable as a substitute? A: CRCW0603392KFKTA matches all electrical and thermal specifications but carries RoHS non-compliant status and REACH Affected designation. This part is suitable only for applications where RoHS exemptions are permitted or legacy system requirements allow non-compliant components. Verify regulatory requirements before selection.

Q: Do all substitute parts have the same physical dimensions? A: All substitute parts use the 0603 (1608 Metric) package format. Minor dimensional variations exist: RMCF0603FT392K measures 0.061" L × 0.031" W (1.55mm × 0.80mm), while most others measure 0.063" L × 0.031" W (1.60mm × 0.80mm). CRCW0603392KFKTA measures 0.063" L × 0.033" W (1.60mm × 0.85mm). These variations remain within 0603 package tolerance and do not affect PCB footprint compatibility.

Q: What does MSL 1 (Unlimited) mean for moisture sensitivity? A: MSL 1 indicates the component has unlimited shelf life and requires no special moisture control during storage or handling. All listed substitute parts carry MSL 1 rating, eliminating moisture-related storage constraints.

Q: Which substitute part offers the best availability? A: RMCF0603FT392K (Stackpole Electronics Inc) provides the highest inventory at 206,452 pieces, followed by RC0603FR-07392KL (YAGEO) at 142,357 pieces. Both parts are suitable for immediate procurement in high-volume applications.

Q: Are all substitute parts ROHS3 compliant? A: CR0603-FX-3923ELF, RC0603FR-07392KL, AC0603FR-07392KL, ERJ-3EKF3923V, and RMCF0603FT392K are ROHS3 compliant. CRCW0603392KFKTA is RoHS non-compliant. Verify regulatory requirements for your application before final selection.