RC2012J751CS 750 Ohm 5% 1/8W 0805 Chip Resistor Equivalent & Substitute Parts

Part Overview

The RC2012J751CS is a 750 Ohm ±5% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0805 (2012 Metric) package format with 0.125W power rating. This component is classified as Active product status with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). The RC2012J751CS is supplied in Cut Tape (CT) packaging with 795 pieces currently in stock inventory.

Equivalent and substitute parts are necessary when the original manufacturer part becomes unavailable, when design requirements demand higher tolerance specifications, when automotive-grade certifications are required, or when alternative packaging formats are preferred for production optimization.

Key Parameters

Parameter	Value
Resistance	750 Ohms
Tolerance	±5%
Power Rating	0.125W (1/8W)
Package / Case	0805 (2012 Metric)
Composition	Thick Film
Temperature Coefficient	±100ppm/°C
Operating Temperature Range	-55°C to 155°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)
Number of Terminations	2

Substitute Part Grouping Explanation

Substitution compatibility for the RC2012J751CS is determined by the following mandatory parameters:

Electrical Parameters:

Resistance value: 750 Ohms (exact match required)
Power rating: 0.125W minimum (equal or higher acceptable)
Temperature coefficient: ±100ppm/°C (matching specification)
Operating temperature range: -55°C to 155°C minimum (equal or wider acceptable)

Mechanical Parameters:

Package format: 0805 (2012 Metric) (exact match required)
Composition: Thick Film (exact match required)
Number of terminations: 2 (exact match required)

Compliance Parameters:

RoHS Status: ROHS3 Compliant (minimum requirement)
Moisture Sensitivity Level: 1 (MSL 1 acceptable; higher MSL values not acceptable)

Substitute parts are grouped into two categories:

Direct Substitutes (±5% Tolerance): Parts maintaining the original ±5% tolerance specification with identical electrical and mechanical characteristics. These provide one-to-one replacement capability without circuit redesign.

Upgrade Substitutes (±1% Tolerance): Parts with improved ±1% tolerance specification. These offer enhanced accuracy and are electrically and mechanically compatible. Upgrade substitutes may include additional features such as automotive AEC-Q200 certification or moisture-resistant composition, which do not compromise compatibility with the original design.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Composition	Temp Coeff (ppm/°C)	Op Temp Range (°C)	Features	Packaging Format	RoHS	MSL
RC2012J751CS	Samsung Electro-Mechanics	750Ω	±5%	0.125	0805	Thick Film	±100	-55 to 155	Moisture Resistant	Cut Tape (CT)	ROHS3	1
RC2012F751CS	Samsung Electro-Mechanics	750Ω	±1%	0.125	0805	Thick Film	±100	-55 to 155	Moisture Resistant	Cut Tape (CT)	ROHS3	1
RC0805JR-07750RL	YAGEO	750Ω	±5%	0.125	0805	Thick Film	±100	-55 to 155	Moisture Resistant	Tape & Reel (TR)	ROHS3	1
RMCF0805FT750R	Stackpole Electronics Inc	750Ω	±1%	0.125	0805	Thick Film	±100	-55 to 155	Automotive AEC-Q200	Tape & Reel (TR)	ROHS3	1
AC0805FR-07750RL	YAGEO	750Ω	±1%	0.125	0805	Thick Film	±100	-55 to 155	Automotive AEC-Q200, Moisture Resistant	Cut Tape (CT) & Digi-Reel®	ROHS3	1
CR0805-FX-7500ELF	Bourns Inc.	750Ω	±1%	0.125	0805	Thick Film	±100	-55 to 155	Moisture Resistant	Tape & Reel (TR)	ROHS3	1
CRG0805F750R	TE Connectivity Passive Product	750Ω	±1%	0.125	0805	Thick Film	±100	-55 to 155	None specified	Tape & Reel (TR)	ROHS3	1
ERJ-6ENF7500V	Panasonic Electronic Components	750Ω	±1%	0.125	0805	Thick Film	±100	-55 to 155	Automotive AEC-Q200	Tape & Reel (TR)	ROHS3	1
KTR10EZPF7500	Rohm Semiconductor	750Ω	±1%	0.125	0805	Thick Film	±100	-55 to 155	Automotive AEC-Q200, High Voltage	Cut Tape (CT)	ROHS3	1
MCR10ERTF7500	Rohm Semiconductor	750Ω	±1%	0.125	0805	Thick Film	±100	-55 to 155	None specified	Cut Tape (CT) & Digi-Reel®	ROHS3	1
RC0805FR-07750RL	YAGEO	750Ω	±1%	0.125	0805	Thick Film	±100	-55 to 155	Moisture Resistant	Cut Tape (CT) & Digi-Reel®	ROHS3	1

Engineering Selection Recommendations

Direct Substitutes (Same Tolerance ±5%):

RC0805JR-07750RL (YAGEO) is the primary direct substitute for RC2012J751CS. Both components maintain ±5% tolerance specification with identical electrical characteristics and 0805 package format. The primary difference is packaging format: RC0805JR-07750RL is supplied in Tape & Reel (TR) format versus Cut Tape (CT) for the original part. This substitute is suitable for high-volume production environments where Tape & Reel packaging is standard. Inventory availability is significantly higher at 90,358 pieces.

Upgrade Substitutes (Improved ±1% Tolerance):

RC2012F751CS (Samsung Electro-Mechanics) is the direct upgrade from the same manufacturer, offering ±1% tolerance with identical package format (Cut Tape) and all other electrical specifications matching the original. This upgrade maintains manufacturer consistency and is recommended when tolerance improvement is required without changing suppliers.

RC0805FR-07750RL (YAGEO) provides ±1% tolerance with moisture-resistant composition and is available in Cut Tape (CT) & Digi-Reel® packaging. This part offers the highest inventory availability at 337,566 pieces and is suitable for applications requiring improved accuracy.

Automotive-Grade Substitutes:

RMCF0805FT750R (Stackpole Electronics Inc), AC0805FR-07750RL (YAGEO), ERJ-6ENF7500V (Panasonic Electronic Components), and KTR10EZPF7500 (Rohm Semiconductor) all carry AEC-Q200 automotive certification with ±1% tolerance. These parts are specified for automotive applications requiring enhanced reliability and qualification standards. AC0805FR-07750RL additionally includes moisture-resistant composition.

Product Status Consideration:

MCR10ERTF7500 (Rohm Semiconductor) is marked as Discontinued at DiGi Electronics. While electrically and mechanically compatible, this part should be avoided for new designs or long-term production commitments due to discontinued status.

All substitute parts listed maintain ROHS3 compliance, MSL 1 rating, and operating temperature range of -55°C to 155°C, ensuring compatibility with the original design requirements.

Frequently Asked Questions (FAQ)

Q: Can I use a ±1% tolerance part as a substitute for the ±5% RC2012J751CS?

A: Yes. The ±1% tolerance parts listed are electrically and mechanically compatible upgrades. A ±1% tolerance component meets all requirements of a ±5% specification while providing improved accuracy. No circuit redesign is required.

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

A: Cut Tape (CT) packaging is supplied in small quantities on carrier tape, suitable for manual assembly or small production runs. Tape & Reel (TR) packaging is supplied on continuous reel format, optimized for automated pick-and-place assembly in high-volume manufacturing. Both formats contain identical components; the difference is in supply format only.

Q: Are automotive-grade parts (AEC-Q200) compatible with non-automotive applications?

A: Yes. Automotive-grade parts meet or exceed all specifications required for non-automotive applications. AEC-Q200 certification indicates enhanced reliability testing and qualification standards. Using automotive-grade components in non-automotive designs introduces no compatibility issues and may provide improved reliability margins.

Q: Can I substitute RC0805JR-07750RL (YAGEO) for RC2012J751CS (Samsung)?

A: Yes. Both parts are 750 Ohm ±5% thick film resistors in 0805 package with identical electrical specifications. The primary difference is packaging format (Tape & Reel versus Cut Tape) and manufacturer. No circuit modifications are required.

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. This is the least restrictive moisture sensitivity level and means the part can be stored under standard warehouse conditions without desiccant packaging or time-limited shelf life restrictions.

Q: Is RC2012F751CS a direct replacement for RC2012J751CS?

A: Yes, with tolerance improvement. RC2012F751CS is manufactured by the same company (Samsung Electro-Mechanics) in identical package format with all electrical specifications matching the original. The only difference is tolerance: ±1% versus ±5%. This represents a direct upgrade with no compatibility concerns.

Q: Why do some substitute parts have higher inventory levels?

A: Inventory levels reflect market demand and supplier stocking practices. YAGEO RC0805FR-07750RL (337,566 pieces) and YAGEO RC0805JR-07750RL (90,358 pieces) have higher availability due to these manufacturers' market position and production volume. Higher inventory availability may indicate better long-term supply security for production planning.

Q: Can I mix different manufacturers' parts in the same circuit board?

A: Yes. All listed substitute parts meet identical electrical and mechanical specifications. Mixing manufacturers on the same board introduces no functional or compatibility issues. This practice is common in production to optimize supply chain flexibility and cost management.

Q: What is the significance of "Moisture Resistant" feature?

A: Moisture-resistant composition provides enhanced protection against humidity and environmental moisture exposure. While all listed parts have MSL 1 rating (unlimited shelf life), moisture-resistant composition offers additional robustness in high-humidity operating environments or applications with extended exposure to moisture.

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