Equivalent & Substitute Parts for RC1608J183CS

Part Overview

The RC1608J183CS is an 18 kOhms ±5% 0.1W thick film chip resistor in 0603 (1608 Metric) package manufactured by Samsung Electro-Mechanics. This component is classified as Active product status and is RoHS3 compliant with MSL Level 1 (Unlimited moisture sensitivity). The part is designed for general-purpose applications requiring moisture-resistant thick film construction across the operating temperature range of -55°C to 155°C. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and compliance certifications to ensure direct interchangeability or functional equivalence in circuit designs.

Key Parameters

Parameter	Value
Resistance	18 kOhms
Tolerance	±5%
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
Size / Dimension	0.063" L x 0.031" W (1.60mm x 0.80mm)
Height - Seated (Max)	0.022" (0.55mm)
Number of Terminations	2
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected

Substitute Part Grouping Explanation

Substitute parts for the RC1608J183CS are classified into two categories based on electrical and mechanical compatibility:

Direct Substitutes (Equivalent Specifications): Parts that match all critical electrical parameters including 18 kOhms resistance, ±5% tolerance, 0.1W power rating, and 0603 package dimensions. These parts maintain identical temperature coefficient specifications (±100ppm/°C) and operating temperature range (-55°C ~ 155°C). Direct substitutes include RC0603JR-0718KL (YAGEO) and ERJ-3GEYJ183V (Panasonic).

Upgrade Substitutes (Enhanced Specifications): Parts that exceed the original specifications in tolerance (±1% instead of ±5%) or add automotive-grade certifications (AEC-Q200). These parts are electrically and mechanically compatible but offer improved performance characteristics. Upgrade substitutes include RMCF0603FT18K0, CRG0603F18K, ERJ-3EKF1802V, KTR03EZPF1802, RC0603FR-0718KL, RMCF0603JG18K0, and CR0603-JW-183ELF.

Substitution Criteria: All substitute parts maintain the 0603 (1608 Metric) package footprint, 2-terminal configuration, thick film composition, RoHS3 compliance, and MSL Level 1 rating. Operating temperature range remains -55°C ~ 155°C across all substitutes. Mechanical dimensions (0.063" L x 0.031" W, 0.022" max height) are preserved to ensure PCB layout compatibility.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Operating Temp (°C)	Package	Features	RoHS Status	MSL
RC1608J183CS	Samsung Electro-Mechanics	18 kOhms	±5%	0.1	±100	-55 ~ 155	0603	Moisture Resistant	ROHS3	1
RC0603JR-0718KL	YAGEO	18 kOhms	±5%	0.1	±100	-55 ~ 155	0603	Moisture Resistant	ROHS3	1
RMCF0603JT18K0	Stackpole Electronics Inc	18 kOhms	±5%	0.1	±200	-55 ~ 155	0603	Automotive AEC-Q200	ROHS3	1
CR0603-JW-183ELF	Bourns Inc.	18 kOhms	±5%	0.1	±200	-55 ~ 155	0603	Moisture Resistant	ROHS3	1
CRG0603F18K	TE Connectivity Passive Product	18 kOhms	±1%	0.1	±100	-55 ~ 155	0603	None	ROHS3	1
ERJ-3EKF1802V	Panasonic Electronic Components	18 kOhms	±1%	0.1	±100	-55 ~ 155	0603	Automotive AEC-Q200	ROHS3	1
ERJ-3GEYJ183V	Panasonic Electronic Components	18 kOhms	±5%	0.1	±200	-55 ~ 155	0603	Automotive AEC-Q200	ROHS3	1
KTR03EZPF1802	Rohm Semiconductor	18 kOhms	±1%	0.1	±100	-55 ~ 155	0603	Automotive AEC-Q200, High Voltage	ROHS3	1
RC0603FR-0718KL	YAGEO	18 kOhms	±1%	0.1	±100	-55 ~ 155	0603	Moisture Resistant	ROHS3	1
RMCF0603FT18K0	Stackpole Electronics Inc	18 kOhms	±1%	0.1	±100	-55 ~ 155	0603	Automotive AEC-Q200	ROHS3	1
RMCF0603JG18K0	Stackpole Electronics Inc	18 kOhms	±5%	0.1	±200	-55 ~ 155	0603	Automotive AEC-Q200	ROHS3	1

Engineering Selection Recommendations

For Direct Replacement (Equivalent Performance): RC0603JR-0718KL (YAGEO) provides identical electrical and mechanical specifications to RC1608J183CS with matching ±5% tolerance and ±100ppm/°C temperature coefficient. This part maintains moisture-resistant thick film construction and is suitable for applications where the original Samsung component specifications are required.

For Automotive Applications: ERJ-3GEYJ183V (Panasonic) and RMCF0603JG18K0 (Stackpole) are qualified to AEC-Q200 automotive standards while maintaining ±5% tolerance matching the original part. These substitutes are appropriate for automotive-grade circuit designs requiring equivalent performance with automotive qualification.

For Improved Tolerance Requirements: CRG0603F18K (TE Connectivity), ERJ-3EKF1802V (Panasonic), KTR03EZPF1802 (Rohm), RC0603FR-0718KL (YAGEO), and RMCF0603FT18K0 (Stackpole) offer ±1% tolerance with maintained ±100ppm/°C temperature coefficient. These upgrades are applicable when circuit designs require tighter resistance tolerance than the original ±5% specification.

For Automotive with Improved Tolerance: RMCF0603FT18K0 (Stackpole) and ERJ-3EKF1802V (Panasonic) combine AEC-Q200 automotive qualification with ±1% tolerance, suitable for automotive applications demanding enhanced accuracy.

All substitute parts maintain RoHS3 compliance, MSL Level 1 rating, and -55°C ~ 155°C operating temperature range. Package footprint (0603) and mechanical dimensions are preserved across all substitutes for direct PCB layout compatibility.

Frequently Asked Questions (FAQ)

Q: Can RC0603JR-0718KL replace RC1608J183CS directly? A: Yes. RC0603JR-0718KL (YAGEO) is a direct equivalent with identical 18 kOhms ±5% resistance, 0.1W power rating, ±100ppm/°C temperature coefficient, and 0603 package dimensions. Both parts are RoHS3 compliant with MSL Level 1 rating.

Q: What is the difference between ±5% and ±1% tolerance substitutes? A: The original RC1608J183CS specifies ±5% tolerance. Upgrade substitutes with ±1% tolerance (CRG0603F18K, ERJ-3EKF1802V, KTR03EZPF1802, RC0603FR-0718KL, RMCF0603FT18K0) provide tighter resistance accuracy. Both tolerance grades are electrically and mechanically compatible; selection depends on circuit accuracy requirements.

Q: Are automotive-qualified parts (AEC-Q200) compatible with non-automotive applications? A: Yes. Automotive-qualified substitutes (ERJ-3GEYJ183V, RMCF0603JT18K0, RMCF0603JG18K0, ERJ-3EKF1802V, KTR03EZPF1802, RMCF0603FT18K0) meet or exceed general-purpose specifications and are suitable for any application requiring 18 kOhms ±5% or ±1% 0603 resistors. AEC-Q200 qualification indicates enhanced reliability testing.

Q: Do all substitutes fit the same PCB footprint? A: Yes. All substitute parts use the 0603 (1608 Metric) package with identical footprint dimensions (0.063" L x 0.031" W, 0.022" max height). Direct PCB layout compatibility is maintained across all listed substitutes.

Q: What is the temperature coefficient difference between ±100ppm/°C and ±200ppm/°C? A: Temperature coefficient indicates resistance change per degree Celsius. The original RC1608J183CS specifies ±100ppm/°C. Some substitutes (RMCF0603JT18K0, CR0603-JW-183ELF, ERJ-3GEYJ183V, RMCF0603JG18K0) specify ±200ppm/°C, indicating slightly greater resistance variation across temperature extremes. Selection depends on circuit temperature stability requirements.

Q: Are all substitutes RoHS3 compliant? A: Yes. All listed substitute parts are RoHS3 compliant with MSL Level 1 (Unlimited) moisture sensitivity rating, matching the original RC1608J183CS compliance status.

Q: Which substitute offers the best combination of automotive qualification and tolerance? A: RMCF0603FT18K0 (Stackpole) and ERJ-3EKF1802V (Panasonic) combine AEC-Q200 automotive qualification with ±1% tolerance and ±100ppm/°C temperature coefficient, providing enhanced accuracy and automotive reliability in a single part.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message