Equivalent & Substitute Parts for RC1608J751CS

Part Overview

The RC1608J751CS is a 750 Ohms ±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 with moisture resistant properties and ROHS3 compliance. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and package compatibility to ensure direct functional replacement in circuit applications.

Key Parameters

Parameter	Value
Resistance	750 Ohms
Tolerance	±5%
Power Rating	0.1W (1/10W)
Package / Case	0603 (1608 Metric)
Composition	Thick Film
Operating Temperature Range	-55°C ~ 155°C
Temperature Coefficient	±100ppm/°C
Moisture Sensitivity Level	1 (Unlimited)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for RC1608J751CS are grouped based on strict electrical and mechanical parameter matching. The primary substitution criteria are:

Critical Parameters for Substitution:

Resistance value: 750 Ohms
Tolerance: ±5% (direct equivalents) or ±1% (upgraded tolerance)
Power rating: 0.1W (1/10W)
Package: 0603 (1608 Metric)
Composition: Thick Film
Operating temperature range: -55°C ~ 155°C
Moisture Sensitivity Level: 1 (Unlimited)
RoHS compliance: ROHS3 Compliant

Substitution Categories:

Direct Equivalents maintain identical electrical specifications (750Ω ±5%, 0.1W) with compatible package dimensions and thermal characteristics.

Upgrade Parts offer improved tolerance (±1% instead of ±5%) or enhanced automotive qualification (AEC-Q200 rating) while maintaining core electrical and mechanical compatibility.

Similar Parts provide functional equivalence with additional features such as automotive AEC-Q200 certification and moisture resistance, suitable for applications requiring enhanced reliability.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power	Temp Coeff	Package	Features	Product Status
RC1608J751CS	Samsung Electro-Mechanics	750Ω	±5%	0.1W	±100ppm/°C	0603	Moisture Resistant	Active
RC0603JR-07750RL	YAGEO	750Ω	±5%	0.1W	±100ppm/°C	0603	Moisture Resistant	Active
ERJ-3EKF7500V	Panasonic Electronic Components	750Ω	±1%	0.1W	±100ppm/°C	0603	Automotive AEC-Q200	Active
ERJ-3GEYJ751V	Panasonic Electronic Components	750Ω	±5%	0.1W	±200ppm/°C	0603	Automotive AEC-Q200	Active
MCR03ERTJ751	Rohm Semiconductor	750Ω	±5%	0.1W	±200ppm/°C	0603	Thick Film	Discontinued at DiGi Electronics
RC0603FR-07750RL	YAGEO	750Ω	±1%	0.1W	±100ppm/°C	0603	Moisture Resistant	Active
RMCF0603FT750R	Stackpole Electronics Inc	750Ω	±1%	0.1W	±100ppm/°C	0603	Automotive AEC-Q200	Active
RMCF0603JT750R	Stackpole Electronics Inc	750Ω	±5%	0.1W	±200ppm/°C	0603	Automotive AEC-Q200	Active
AC0603JR-07750RL	YAGEO	750Ω	±5%	0.1W	±100ppm/°C	0603	Automotive AEC-Q200, Moisture Resistant	Active

Engineering Selection Recommendations

Direct Equivalent Selection:

RC0603JR-07750RL (YAGEO) is the primary direct equivalent to RC1608J751CS. Both components share identical electrical specifications (750Ω ±5%, 0.1W), matching temperature coefficient (±100ppm/°C), moisture resistant properties, and ROHS3 compliance. This part maintains full functional compatibility with no design modifications required.

Upgraded Tolerance Selection:

RC0603FR-07750RL (YAGEO) and RMCF0603FT750R (Stackpole Electronics Inc) provide ±1% tolerance upgrade while maintaining 0.1W power rating, 0603 package, and ROHS3 compliance. These parts are suitable for applications requiring tighter resistance tolerance specifications. RC0603FR-07750RL retains moisture resistant properties identical to the original part.

Automotive-Qualified Selection:

ERJ-3EKF7500V (Panasonic Electronic Components) and RMCF0603FT750R (Stackpole Electronics Inc) offer AEC-Q200 automotive qualification with ±1% tolerance. These components are appropriate for automotive and high-reliability applications requiring enhanced qualification standards.

ERJ-3GEYJ751V (Panasonic Electronic Components) and RMCF0603JT750R (Stackpole Electronics Inc) provide AEC-Q200 qualification while maintaining ±5% tolerance matching the original specification.

AC0603JR-07750RL (YAGEO) combines automotive AEC-Q200 qualification with moisture resistant properties and ±5% tolerance, offering enhanced reliability features within the original tolerance specification.

Discontinued Part Consideration:

MCR03ERTJ751 (Rohm Semiconductor) is discontinued at DiGi Electronics and should not be selected for new designs or long-term supply requirements.

Frequently Asked Questions (FAQ)

Q: Can RC0603JR-07750RL directly replace RC1608J751CS without circuit modifications?

A: Yes. RC0603JR-07750RL is a direct equivalent with identical resistance (750Ω), tolerance (±5%), power rating (0.1W), package (0603), temperature coefficient (±100ppm/°C), and moisture resistant properties. No circuit modifications are required.

Q: What is the difference between ±5% and ±1% tolerance parts?

A: Tolerance specifies the maximum deviation from the nominal resistance value. ±5% tolerance allows deviation up to ±37.5Ω from 750Ω nominal, while ±1% tolerance restricts deviation to ±7.5Ω. Applications requiring precise resistance values benefit from ±1% tolerance parts such as RC0603FR-07750RL or RMCF0603FT750R.

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

A: Yes. AEC-Q200 qualification indicates enhanced reliability testing and quality standards. Parts such as ERJ-3EKF7500V, RMCF0603FT750R, RMCF0603JT750R, and AC0603JR-07750RL can be used in non-automotive applications where higher reliability is beneficial, though this qualification is not required for general-purpose circuits.

Q: What does Moisture Sensitivity Level 1 mean?

A: MSL 1 indicates unlimited shelf life without moisture absorption concerns. All listed substitute parts maintain MSL 1 rating, ensuring compatibility with standard storage and handling procedures.

Q: Can I use a part with ±200ppm/°C temperature coefficient instead of ±100ppm/°C?

A: Temperature coefficient affects resistance stability across temperature ranges. Parts with ±200ppm/°C (ERJ-3GEYJ751V, MCR03ERTJ751, RMCF0603JT750R) exhibit greater resistance variation over temperature compared to ±100ppm/°C parts. Selection depends on application temperature stability requirements. For applications with strict temperature stability needs, select parts with ±100ppm/°C coefficient.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance, matching the environmental and regulatory requirements of RC1608J751CS.

Q: What is the difference between Tape & Reel (TR) and Cut Tape (CT) & Digi-Reel® packaging?

A: Tape & Reel (TR) packaging is standard for high-volume automated assembly. Cut Tape (CT) & Digi-Reel® packaging is suitable for lower-volume orders and manual assembly. Both packaging formats contain identical components; selection depends on procurement volume and assembly process requirements.

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