RC1608J151CS Equivalent & Substitute Parts Reference

Part Overview

The RC1608J151CS is a 150 Ohm ±5% 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 moisture resistant characteristics and unlimited moisture sensitivity level (MSL 1). The part is ROHS3 compliant and suitable for general-purpose applications requiring standard tolerance resistive elements. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and environmental ratings to ensure direct functional replacement in circuit designs.

Key Parameters

Parameter	Value
Resistance	150 Ohms
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 to 155°C
Moisture Sensitivity Level	1 (Unlimited)
RoHS Status	ROHS3 Compliant
Physical Dimensions	1.60mm L × 0.80mm W × 0.55mm H (max)

Substitute Part Grouping Explanation

Substitute parts for the RC1608J151CS are classified into two categories based on tolerance specification:

Direct Equivalents (±5% Tolerance): Parts maintaining identical tolerance specification of ±5% with matching 150 Ohm resistance, 0.1W power rating, 0603 package, and operating temperature range of -55°C to 155°C. These parts provide one-to-one functional replacement without circuit performance modification.

Upgrade Options (±1% Tolerance): Parts offering improved tolerance specification of ±1% while maintaining all other critical parameters including 150 Ohm resistance, 0.1W power rating, 0603 package, and -55°C to 155°C operating range. These parts provide enhanced accuracy for applications requiring tighter resistive tolerances.

Key Parameters Determining Substitution Eligibility:

Resistance value: 150 Ohms (mandatory match)
Power rating: 0.1W (mandatory match)
Package format: 0603 (1608 Metric) (mandatory match)
Operating temperature: -55°C to 155°C (mandatory match)
Tolerance: ±5% for direct equivalents; ±1% for upgrades
Composition: Thick Film (mandatory match)
Moisture Sensitivity Level: 1 (Unlimited) (mandatory match)

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Op Temp Range	Package	Features	Product Status
RC1608J151CS	Samsung Electro-Mechanics	150 Ω	±5%	0.1	±100	-55 to 155°C	0603	Moisture Resistant	Active
RC0603JR-07150RL	YAGEO	150 Ω	±5%	0.1	±100	-55 to 155°C	0603	Moisture Resistant	Active
ERJ-3GEYJ151V	Panasonic Electronic Components	150 Ω	±5%	0.1	±200	-55 to 155°C	0603	Automotive AEC-Q200	Active
RMCF0603JT150R	Stackpole Electronics Inc	150 Ω	±5%	0.1	±200	-55 to 155°C	0603	Automotive AEC-Q200	Active
MCR03ERTJ151	Rohm Semiconductor	150 Ω	±5%	0.1	±200	-55 to 155°C	0603	Standard	Discontinued at DiGi Electronics
RMCF0603FT150R	Stackpole Electronics Inc	150 Ω	±1%	0.1	±100	-55 to 155°C	0603	Automotive AEC-Q200	Active
CR0603-FX-1500ELF	Bourns Inc.	150 Ω	±1%	0.1	±100	-55 to 155°C	0603	Moisture Resistant	Active
CRG0603F150R	TE Connectivity Passive Product	150 Ω	±1%	0.1	±100	-55 to 155°C	0603	Standard	Active
ERJ-3EKF1500V	Panasonic Electronic Components	150 Ω	±1%	0.1	±100	-55 to 155°C	0603	Automotive AEC-Q200	Active
KTR03EZPF1500	Rohm Semiconductor	150 Ω	±1%	0.1	±100	-55 to 155°C	0603	Automotive AEC-Q200, High Voltage	Active
RC0603FR-07150RL	YAGEO	150 Ω	±1%	0.1	±100	-55 to 155°C	0603	Moisture Resistant	Active

Engineering Selection Recommendations

Direct Equivalent Selection (±5% Tolerance):

RC0603JR-07150RL (YAGEO) is the primary direct equivalent offering identical electrical and mechanical specifications with moisture resistant composition matching the original RC1608J151CS. This part maintains ±5% tolerance, ±100ppm/°C temperature coefficient, and Active product status with high inventory availability (20,400 units).

ERJ-3GEYJ151V (Panasonic Electronic Components) provides direct equivalence with ±5% tolerance and Active status. This part includes Automotive AEC-Q200 certification with ±200ppm/°C temperature coefficient, suitable for applications requiring automotive-grade reliability. Inventory availability is substantial (593,006 units).

RMCF0603JT150R (Stackpole Electronics Inc) offers direct equivalence with ±5% tolerance and Automotive AEC-Q200 certification. Temperature coefficient is ±200ppm/°C. Product status is Active with significant inventory (156,738 units).

MCR03ERTJ151 (Rohm Semiconductor) maintains ±5% tolerance and matching specifications but is listed as Discontinued at DiGi Electronics. This part should be avoided for new designs despite technical compatibility.

Upgrade Selection (±1% Tolerance):

CR0603-FX-1500ELF (Bourns Inc.) provides ±1% tolerance upgrade with moisture resistant features matching the original part's environmental characteristics. Temperature coefficient is ±100ppm/°C. Product status is Active with inventory of 173,365 units.

RC0603FR-07150RL (YAGEO) offers ±1% tolerance with moisture resistant composition and ±100ppm/°C temperature coefficient. Product status is Active with 2,300 units available.

ERJ-3EKF1500V (Panasonic Electronic Components) provides ±1% tolerance with Automotive AEC-Q200 certification and ±100ppm/°C temperature coefficient. Product status is Active with 188,068 units available.

RMCF0603FT150R (Stackpole Electronics Inc) delivers ±1% tolerance with Automotive AEC-Q200 certification and ±100ppm/°C temperature coefficient. Product status is Active with 532,097 units available.

CRG0603F150R (TE Connectivity Passive Product) offers ±1% tolerance with ±100ppm/°C temperature coefficient and Active status. Inventory is 30,338 units.

KTR03EZPF1500 (Rohm Semiconductor) provides ±1% tolerance with Automotive AEC-Q200 certification, High Voltage features, and ±100ppm/°C temperature coefficient. Product status is Active with limited inventory (6,126 units).

Compliance and Certification:

All listed substitute parts maintain ROHS3 compliance, REACH Unaffected status, and Moisture Sensitivity Level 1 (Unlimited) matching the original RC1608J151CS. Parts with Automotive AEC-Q200 certification are suitable for automotive applications requiring enhanced reliability qualification.

Frequently Asked Questions (FAQ)

Q: Can I use a ±1% tolerance part as a substitute for the ±5% RC1608J151CS?

A: Yes. Parts with ±1% tolerance provide improved accuracy and are functionally compatible with circuits designed for ±5% tolerance components. The tighter tolerance represents an upgrade in performance characteristics without introducing incompatibility.

Q: What is the difference between direct equivalents and upgrade options?

A: Direct equivalents maintain the original ±5% tolerance specification. Upgrade options provide ±1% tolerance for applications requiring higher resistive accuracy. All parts share identical 150 Ohm resistance, 0.1W power rating, 0603 package, and -55°C to 155°C operating range.

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

A: Yes. Automotive AEC-Q200 certification indicates enhanced reliability qualification and environmental stress testing. These parts are fully compatible with general-purpose applications and provide equivalent or superior performance compared to non-certified alternatives.

Q: What is the significance of temperature coefficient differences (±100ppm/°C vs ±200ppm/°C)?

A: Temperature coefficient indicates resistance value change per degree Celsius. Lower values (±100ppm/°C) provide better stability across temperature variations. Parts with ±100ppm/°C offer superior performance in temperature-sensitive applications, while ±200ppm/°C parts remain within acceptable tolerance ranges for most general-purpose circuits.

Q: Why is MCR03ERTJ151 listed as discontinued?

A: MCR03ERTJ151 is marked as Discontinued at DiGi Electronics, indicating limited future availability. While technically compatible, this part should not be selected for new designs. Alternative active parts such as RC0603JR-07150RL or ERJ-3GEYJ151V are recommended.

Q: Are all substitute parts available in the same packaging format?

A: All listed substitute parts use 0603 (1608 Metric) package format matching the original RC1608J151CS. Packaging options vary between Tape & Reel (TR) and Cut Tape (CT) & Digi-Reel® formats, which do not affect electrical or mechanical compatibility but may influence procurement and assembly processes.

Q: What is Moisture Sensitivity Level 1 (Unlimited)?

A: MSL 1 (Unlimited) indicates the component has no moisture sensitivity restrictions. The part can be stored indefinitely without special moisture control measures and does not require baking before soldering. All listed substitute parts maintain this specification.

Q: Can I substitute parts with different physical dimensions?

A: All substitute parts maintain identical physical dimensions (1.60mm L × 0.80mm W × 0.55mm H maximum). Dimensional compatibility is guaranteed across all listed alternatives, ensuring direct PCB footprint compatibility without layout modifications.

Q: Which substitute part offers the best overall compatibility?

A: RC0603JR-07150RL (YAGEO) provides optimal direct equivalence with identical specifications, moisture resistant features, and high inventory availability. For applications requiring improved tolerance, CR0603-FX-1500ELF (Bourns Inc.) or RC0603FR-07150RL (YAGEO) offer ±1% tolerance with moisture resistant characteristics.

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