RC1608J7R5CS Equivalent & Substitute Parts Reference

Part Overview

The RC1608J7R5CS is a 7.5 Ohms ±5% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0603 (1608 Metric) package format. This component is rated for 0.1W (1/10W) power dissipation and features moisture-resistant construction with an operating temperature range of -55°C to 155°C. The part is currently Active in product status with 981 pieces in stock inventory.

Equivalent and substitute parts are necessary when the original manufacturer part becomes unavailable, when alternative packaging formats are required, or when upgraded tolerance specifications are needed for enhanced circuit performance. This reference provides qualified substitute options that maintain electrical and mechanical compatibility while offering alternative sourcing channels.

Key Parameters

Parameter	Value
Resistance	7.5 Ohms
Tolerance	±5%
Power Rating	0.1W (1/10W)
Package / Case	0603 (1608 Metric)
Composition	Thick Film
Operating Temperature	-55°C to 155°C
Temperature Coefficient	±300ppm/°C
Moisture Sensitivity Level	1 (Unlimited)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the RC1608J7R5CS are qualified based on the following electrical and mechanical parameters:

Primary Compatibility Criteria:

Resistance value: 7.5 Ohms (exact match required)
Power rating: 0.1W / 1/10W (exact match required)
Package format: 0603 (1608 Metric) (exact match required)
Physical dimensions: 0.063" L x 0.031" W / 1.60mm x 0.80mm (exact match required)
Number of terminations: 2 (exact match required)
Composition: Thick Film (exact match required)
Operating temperature range: -55°C to 155°C (minimum requirement)
RoHS compliance: ROHS3 Compliant (minimum requirement)
Moisture Sensitivity Level: 1 (Unlimited) (minimum requirement)

Secondary Variation Parameters (Allowed Differences):

Tolerance: ±5% (original) to ±1% (upgraded tolerance acceptable)
Temperature coefficient: ±300ppm/°C (original) to ±100ppm/°C (improved performance acceptable)
Packaging format: Tape & Reel (TR) or Cut Tape (CT) (format variation acceptable)
Manufacturer: Samsung Electro-Mechanics, YAGEO, Rohm Semiconductor, or Stackpole Electronics Inc
Additional certifications: Automotive AEC-Q200 (optional enhancement)

Substitutes with tighter tolerance (±1%) and lower temperature coefficient represent performance upgrades while maintaining full electrical and mechanical compatibility.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power	Temp Coeff	Package	Packaging Format	Status	Inventory
RC1608J7R5CS	Samsung Electro-Mechanics	7.5 Ω	±5%	0.1W	±300ppm/°C	0603	Tape & Reel	Active	981 Pcs
RC1608F7R5CS	Samsung Electro-Mechanics	7.5 Ω	±1%	0.1W	±300ppm/°C	0603	Cut Tape	Active	1266 Pcs
RC0603FR-077R5L	YAGEO	7.5 Ω	±1%	0.1W	±200ppm/°C	0603	Tape & Reel	Active	183465 Pcs
RC0603JR-077R5L	YAGEO	7.5 Ω	±5%	0.1W	±200ppm/°C	0603	Tape & Reel	Active	1643 Pcs
KTR03EZPF7R50	Rohm Semiconductor	7.5 Ω	±1%	0.1W	±200ppm/°C	0603	Tape & Reel	Active	8372 Pcs
RMCF0603FT7R50	Stackpole Electronics Inc	7.5 Ω	±1%	0.1W	±200ppm/°C	0603	Tape & Reel	Active	49683 Pcs
MCR03ERTFL7R50	Rohm Semiconductor	7.5 Ω	±1%	0.1W	±100ppm/°C	0603	Cut Tape & Digi-Reel	Discontinued	922 Pcs

Engineering Selection Recommendations

Direct Equivalent (Same Tolerance): RC0603JR-077R5L from YAGEO provides direct electrical equivalence with ±5% tolerance matching the original RC1608J7R5CS. This part is Active in product status with 1643 pieces in inventory. Selection of this part requires no circuit re-qualification.

Upgraded Tolerance Substitutes (±1%): Four parts offer improved tolerance specification while maintaining all other electrical and mechanical parameters:

RC1608F7R5CS (Samsung Electro-Mechanics): Same manufacturer as original, ±1% tolerance, Cut Tape packaging, 1266 pieces in stock
RC0603FR-077R5L (YAGEO): ±1% tolerance, Tape & Reel packaging, highest inventory availability at 183465 pieces
KTR03EZPF7R50 (Rohm Semiconductor): ±1% tolerance with Automotive AEC-Q200 certification, Tape & Reel packaging, 8372 pieces in stock
RMCF0603FT7R50 (Stackpole Electronics Inc): ±1% tolerance with Automotive AEC-Q200 certification, Tape & Reel packaging, highest inventory at 49683 pieces

Automotive-Qualified Substitute: MCR03ERTFL7R50 from Rohm Semiconductor offers the lowest temperature coefficient (±100ppm/°C) with Automotive AEC-Q200 certification. This part is currently Discontinued at DiGi Electronics with 922 pieces remaining in inventory. Selection requires verification of long-term availability.

Compliance Status: All listed substitutes maintain ROHS3 compliance, Moisture Sensitivity Level 1 (Unlimited), and REACH Unaffected status. All parts operate within the -55°C to 155°C temperature range.

Frequently Asked Questions (FAQ)

Q: Can RC0603JR-077R5L replace RC1608J7R5CS directly without circuit modification?

A: Yes. RC0603JR-077R5L is a direct electrical equivalent with identical 7.5 Ohms ±5% tolerance, 0.1W power rating, and 0603 package format. Both parts feature thick film composition, operate across -55°C to 155°C, and maintain ROHS3 compliance. No circuit re-qualification is required.

Q: What is the advantage of selecting a ±1% tolerance substitute?

A: Substitutes with ±1% tolerance (RC1608F7R5CS, RC0603FR-077R5L, KTR03EZPF7R50, RMCF0603FT7R50) provide tighter resistance accuracy compared to the original ±5% specification. This reduces circuit tolerance stack-up and improves overall system performance in precision applications. All ±1% options maintain full mechanical and thermal compatibility.

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

A: Yes. Automotive AEC-Q200 certification indicates enhanced reliability testing and stricter quality standards. Parts meeting this specification (KTR03EZPF7R50, RMCF0603FT7R50, MCR03ERTFL7R50) are fully compatible with general industrial and consumer applications and provide equivalent or superior performance.

Q: What is the difference between Tape & Reel and Cut Tape packaging?

A: Both packaging formats contain identical components in 0603 package format. Tape & Reel packaging is supplied on continuous carrier tape suitable for automated pick-and-place assembly. Cut Tape packaging is supplied in shorter tape segments for manual handling or smaller production runs. Electrical and mechanical specifications are identical.

Q: Why is MCR03ERTFL7R50 marked as Discontinued?

A: MCR03ERTFL7R50 is Discontinued at DiGi Electronics but remains available in inventory (922 pieces). This status indicates the distributor has ceased accepting new orders. Selection of this part requires verification of alternative supply channels and long-term availability confirmation before design implementation.

Q: Can I use RMCF0603FT7R50 in place of RC1608J7R5CS for high-volume production?

A: Yes. RMCF0603FT7R50 from Stackpole Electronics Inc is fully compatible with identical 7.5 Ohms, 0.1W rating, and 0603 package format. This part offers the highest inventory availability (49683 pieces) among all substitutes, making it suitable for high-volume production requirements. The ±1% tolerance and Automotive AEC-Q200 certification provide performance advantages.

Q: Are there physical dimension differences between substitute parts?

A: All listed substitutes maintain the 0603 (1608 Metric) package format with 0.063" L x 0.031" W (1.60mm x 0.80mm) dimensions. RMCF0603FT7R50 has a slightly different length specification of 0.061" L (1.55mm) but remains within standard 0603 package tolerances and is fully compatible with existing PCB layouts.

Q: What temperature coefficient should I select for my application?

A: The original RC1608J7R5CS specifies ±300ppm/°C. Substitutes offer improved temperature coefficients: RC0603FR-077R5L, KTR03EZPF7R50, and RMCF0603FT7R50 provide ±200ppm/°C, while MCR03ERTFL7R50 offers ±100ppm/°C. Lower temperature coefficients reduce resistance drift across the -55°C to 155°C operating range, improving circuit stability in temperature-sensitive applications.

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