RC1608F4323CS Equivalent & Substitute Parts Reference

Part Overview

The RC1608F4323CS is a 432 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). Substitute parts are identified based on matching electrical specifications, mechanical dimensions, and package compatibility to ensure direct functional equivalence in circuit applications.

Key Parameters

Parameter	Value
Resistance	432 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
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the RC1608F4323CS are qualified based on the following critical parameters that determine functional equivalence:

Electrical Parameters: Resistance value (432 kOhms), tolerance (±1%), and power rating (0.1W) must match exactly. Temperature coefficient (±100ppm/°C) and operating temperature range (-55°C ~ 155°C) establish thermal performance boundaries.

Mechanical Parameters: Package designation (0603 / 1608 Metric) and number of terminations (2) ensure PCB footprint compatibility and soldering process alignment.

Compliance Parameters: RoHS3 compliance and MSL 1 rating are maintained across all substitutes. REACH unaffected status applies uniformly.

All identified substitutes meet these criteria and are classified as Active products with current manufacturing status.

Parameter Comparison

Manufacturer	Part Number	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op Temp Range	Composition	RoHS3	MSL
Samsung Electro-Mechanics	RC1608F4323CS	432 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Thick Film	Yes	1
YAGEO	RC0603FR-07432KL	432 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Thick Film	Yes	1
YAGEO	AC0603FR-07432KL	432 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Thick Film	Yes	1
Vishay Dale	CRCW0603432KFKEA	432 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Thick Film	Yes	1
Panasonic Electronic Components	ERJ-3EKF4323V	432 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Thick Film	Yes	1
Stackpole Electronics Inc	RMCF0603FT432K	432 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Thick Film	Yes	1

Engineering Selection Recommendations

All substitute parts listed maintain identical electrical and mechanical specifications to the RC1608F4323CS. Selection among substitutes is determined by:

Packaging Format: RC0603FR-07432KL is supplied in Cut Tape (CT) & Digi-Reel® format. AC0603FR-07432KL, ERJ-3EKF4323V, and RMCF0603FT432K are supplied in Tape & Reel (TR) format. CRCW0603432KFKEA is supplied in Cut Tape (CT) & Digi-Reel® format.

Automotive Qualification: AC0603FR-07432KL, CRCW0603432KFKEA, ERJ-3EKF4323V, and RMCF0603FT432K carry AEC-Q200 automotive qualification. RC0603FR-07432KL does not include this rating.

Inventory Availability: All parts are Active status with current stock. YAGEO RC0603FR-07432KL offers highest inventory (130,881 pcs). Panasonic ERJ-3EKF4323V provides 42,545 pcs. Vishay Dale CRCW0603432KFKEA provides 27,016 pcs. Stackpole RMCF0603FT432K provides 15,142 pcs. YAGEO AC0603FR-07432KL provides 10,577 pcs.

Compliance: All substitutes maintain ROHS3 compliance, REACH unaffected status, and MSL 1 rating identical to the main part.

Frequently Asked Questions (FAQ)

Q: Can RC0603FR-07432KL directly replace RC1608F4323CS?

A: Yes. Both parts share identical resistance (432 kOhms), tolerance (±1%), power rating (0.1W), package (0603), temperature coefficient (±100ppm/°C), and operating range (-55°C ~ 155°C). The primary difference is packaging format (Cut Tape & Digi-Reel® versus Tape & Reel) and lack of AEC-Q200 automotive qualification on the YAGEO RC series.

Q: What is the difference between AC0603FR-07432KL and RC0603FR-07432KL?

A: Both are YAGEO 432 kOhms ±1% 0603 thick film resistors with identical electrical specifications. AC0603FR-07432KL includes AEC-Q200 automotive qualification and is supplied in Tape & Reel format. RC0603FR-07432KL lacks automotive qualification and is supplied in Cut Tape & Digi-Reel® format.

Q: Are all substitutes suitable for automotive applications?

A: AC0603FR-07432KL, CRCW0603432KFKEA, ERJ-3EKF4323V, and RMCF0603FT432K carry AEC-Q200 qualification. RC0603FR-07432KL and RC1608F4323CS do not include automotive qualification. Application requirements determine necessity of AEC-Q200 rating.

Q: Do dimensional variations between substitutes affect PCB assembly?

A: All parts conform to 0603 (1608 Metric) package specification. Minor dimensional variations (length 1.55mm to 1.60mm, width 0.80mm to 0.85mm, height 0.50mm to 0.55mm) remain within standard 0603 footprint tolerances and do not affect PCB assembly compatibility.

Q: What is MSL 1 and why is it significant?

A: MSL (Moisture Sensitivity Level) 1 indicates unlimited shelf life without moisture bake requirements. All listed parts maintain MSL 1, eliminating moisture-related handling constraints during storage and assembly.

Q: Can these parts be used interchangeably in production?

A: Yes, provided packaging format and automotive qualification requirements align with production specifications. All parts are Active status with identical electrical performance and RoHS3 compliance.

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