RC1608J155CS Equivalent & Substitute Parts Reference

Part Overview

The RC1608J155CS is a 1.5 MOhms ±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 702 pieces currently in stock. The part is RoHS3 compliant, REACH unaffected, and rated for operating temperatures from -55°C to 155°C with moisture sensitivity level 1 (unlimited).

Equivalent and substitute parts are identified based on matching electrical specifications (resistance value, tolerance, power rating, temperature coefficient, operating temperature range) and mechanical compatibility (package type, dimensions, termination count). Alternative sources become necessary for supply chain optimization, cost reduction, or when specific performance enhancements are required.

Key Parameters

Parameter	Value	Specification Type
Resistance	1.5 MOhms	Electrical
Tolerance	±5%	Electrical
Power Rating	0.1W (1/10W)	Electrical
Package / Case	0603 (1608 Metric)	Mechanical
Composition	Thick Film	Material
Temperature Coefficient	±100ppm/°C	Electrical
Operating Temperature Range	-55°C to 155°C	Electrical
Dimensions	0.063" L x 0.031" W (1.60mm x 0.80mm)	Mechanical
Height - Seated (Max)	0.022" (0.55mm)	Mechanical
Number of Terminations	2	Mechanical
RoHS Status	ROHS3 Compliant	Compliance
Moisture Sensitivity Level	1 (Unlimited)	Environmental

Substitute Part Grouping Explanation

Substitute parts are categorized into three groups based on substitution relationship and electrical characteristics:

Direct Equivalent (Same Tolerance): Parts matching all electrical parameters including ±5% tolerance, ±100ppm/°C temperature coefficient, and identical package dimensions. These parts provide direct functional replacement without circuit performance modification.

Upgrade Substitutes (Improved Tolerance): Parts with tighter tolerance (±1%) while maintaining identical resistance value, power rating, operating temperature range, and 0603 package format. These parts offer enhanced precision and are electrically compatible with circuits designed for ±5% tolerance components. Tolerance upgrades do not require circuit redesign.

Similar Parts (Enhanced Features): Parts with matching electrical specifications and package format but incorporating additional certifications such as Automotive AEC-Q200 qualification. These parts maintain full electrical and mechanical compatibility while providing enhanced reliability ratings for specific application environments.

Substitution Criteria:

Resistance value: 1.5 MOhms (exact match required)
Power rating: 0.1W minimum (equal or higher acceptable)
Package: 0603 (1608 Metric) mandatory
Operating temperature: -55°C to 155°C minimum range required
Composition: Thick film required
Termination count: 2 required
RoHS3 compliance required

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff	Op Temp Range	Package	Dimensions (mm)	Product Status	Packaging Type
RC1608J155CS	Samsung Electro-Mechanics	1.5 MOhms	±5%	0.1	±100ppm/°C	-55 to 155°C	0603	1.60 x 0.80	Active	Tape & Reel
RC0603JR-071M5L	YAGEO	1.5 MOhms	±5%	0.1	±100ppm/°C	-55 to 155°C	0603	1.60 x 0.80	Active	Tape & Reel
CRG0603F1M5	TE Connectivity	1.5 MOhms	±1%	0.1	±100ppm/°C	-55 to 155°C	0603	1.60 x 0.80	Active	Tape & Reel
KTR03EZPF1504	Rohm Semiconductor	1.5 MOhms	±1%	0.1	±100ppm/°C	-55 to 155°C	0603	1.60 x 0.80	Active	Tape & Reel
MCR03ERTF1504	Rohm Semiconductor	1.5 MOhms	±1%	0.1	±100ppm/°C	-55 to 155°C	0603	1.60 x 0.80	Discontinued	Cut Tape & Digi-Reel
MCR03ERTJ155	Rohm Semiconductor	1.5 MOhms	±5%	0.1	±200ppm/°C	-55 to 155°C	0603	1.60 x 0.80	Discontinued	Cut Tape & Digi-Reel
RC0603FR-071M5L	YAGEO	1.5 MOhms	±1%	0.1	±100ppm/°C	-55 to 155°C	0603	1.60 x 0.80	Active	Tape & Reel
RMCF0603FT1M50	Stackpole Electronics	1.5 MOhms	±1%	0.1	±200ppm/°C	-55 to 155°C	0603	1.55 x 0.80	Active	Tape & Reel
RMCF0603JT1M50	Stackpole Electronics	1.5 MOhms	±5%	0.1	±200ppm/°C	-55 to 155°C	0603	1.55 x 0.80	Active	Tape & Reel
AC0603JR-071M5L	YAGEO	1.5 MOhms	±5%	0.1	±100ppm/°C	-55 to 155°C	0603	1.60 x 0.80	Active	Tape & Reel

Engineering Selection Recommendations

For Direct Replacement (No Circuit Modification Required):

RC0603JR-071M5L (YAGEO) serves as the primary direct equivalent with identical electrical specifications (1.5 MOhms ±5%, ±100ppm/°C) and mechanical compatibility. This part is Active status with 172,561 pieces in stock, providing supply continuity. Both RC1608J155CS and RC0603JR-071M5L are RoHS3 compliant with MSL 1 rating.

AC0603JR-071M5L (YAGEO) provides direct electrical equivalence with added Automotive AEC-Q200 certification. This part maintains ±5% tolerance and ±100ppm/°C temperature coefficient, suitable for applications requiring automotive-grade reliability without circuit redesign.

For Tolerance Upgrade (±1% Precision):

RC0603FR-071M5L (YAGEO) offers ±1% tolerance upgrade while maintaining ±100ppm/°C temperature coefficient and Active product status. With 243,323 pieces in inventory, this part provides enhanced precision for circuits where tighter tolerance improves performance. Electrical compatibility is maintained; circuits designed for ±5% tolerance operate within specification with ±1% components.

CRG0603F1M5 (TE Connectivity) provides ±1% tolerance with identical temperature coefficient and operating range. Active status with 969 pieces available.

For Automotive Applications:

KTR03EZPF1504 (Rohm Semiconductor) combines ±1% tolerance with Automotive AEC-Q200 qualification and high voltage capability. Active status with 13,864 pieces in stock. Temperature coefficient remains ±100ppm/°C.

RMCF0603FT1M50 (Stackpole Electronics) offers ±1% tolerance with Automotive AEC-Q200 rating. Note: Temperature coefficient is ±200ppm/°C (higher than main part). Active status with 39,311 pieces available.

For Standard Applications with AEC-Q200:

RMCF0603JT1M50 (Stackpole Electronics) maintains ±5% tolerance matching the main part while adding Automotive AEC-Q200 certification. Temperature coefficient is ±200ppm/°C. Active status with 3,675 pieces in stock.

Parts to Avoid for New Designs:

MCR03ERTF1504 and MCR03ERTJ155 (Rohm Semiconductor) are marked as Discontinued at DiGi Electronics. While inventory exists (2,512 and 3,150 pieces respectively), these parts should not be selected for new designs due to discontinued status.

Frequently Asked Questions (FAQ)

Q: Can RC0603JR-071M5L directly replace RC1608J155CS without circuit modification?

A: Yes. RC0603JR-071M5L is a direct equivalent with identical resistance (1.5 MOhms), tolerance (±5%), power rating (0.1W), temperature coefficient (±100ppm/°C), operating temperature range (-55°C to 155°C), and 0603 package dimensions. No circuit redesign is required.

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

A: Tolerance specifies the maximum deviation from the nominal resistance value. A ±5% part on 1.5 MOhms can range from 1.425 to 1.575 MOhms. A ±1% part ranges from 1.485 to 1.515 MOhms. Circuits designed for ±5% tolerance operate correctly with ±1% components. Upgrading to ±1% improves circuit precision but is not required for compatibility.

Q: Are Automotive AEC-Q200 parts compatible with standard applications?

A: Yes. Automotive AEC-Q200 certified parts meet or exceed standard industrial specifications. These parts are fully compatible with non-automotive applications and provide enhanced reliability. AEC-Q200 certification indicates additional qualification testing and is not a limitation for standard use.

Q: What does MSL 1 (Unlimited) moisture sensitivity mean?

A: MSL 1 indicates the component has unlimited shelf life and requires no special moisture control during storage or handling. All listed substitute parts carry MSL 1 rating, ensuring identical moisture handling requirements.

Q: Can I use RMCF0603FT1M50 if my circuit requires ±100ppm/°C temperature coefficient?

A: RMCF0603FT1M50 has ±200ppm/°C temperature coefficient, which is higher than the main part's ±100ppm/°C. This part is suitable only if your circuit design accommodates ±200ppm/°C. For applications requiring ±100ppm/°C, select RC0603FR-071M5L, CRG0603F1M5, or KTR03EZPF1504.

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

A: Tape & Reel packaging provides components on continuous tape suitable for automated pick-and-place assembly. Cut Tape & Digi-Reel provides smaller quantities on cut tape segments. Both are compatible with standard assembly equipment. Selection depends on production volume and inventory management requirements.

Q: Why is MCR03ERTJ155 listed if it is discontinued?

A: MCR03ERTJ155 is included for reference purposes as it appears in the substitute list of other parts. However, it is marked as Discontinued at DiGi Electronics and should not be selected for new designs. Current inventory (3,150 pieces) may support existing production runs only.

Q: Are all listed parts RoHS3 compliant?

A: Yes. All substitute parts listed carry RoHS3 compliance certification, matching the main part RC1608J155CS. This ensures environmental and regulatory compatibility across all alternatives.

Q: What is the significance of the 0603 package designation?

A: 0603 is the imperial designation (0.063" x 0.031") equivalent to 1608 metric (1.60mm x 0.80mm). All listed parts use this identical package format, ensuring mechanical compatibility with PCB footprints designed for RC1608J155CS.

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