Equivalent & Substitute Parts for RC1608J181CS

Part Overview

The RC1608J181CS is a 180 Ohms ±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 to provide design flexibility, supply chain alternatives, and performance upgrades where applicable.

Substiute Parts

RC1608J181CS

Samsung Electro-MechanicsIn Stock: 724RC1608J181CS Datasheet

Current PartRFQ

RC0603JR-07180RL

YAGEOIn Stock: 1000152RC0603JR-07180RL Datasheet

DirectRFQ

RMCF0603JT180R

Stackpole Electronics IncIn Stock: 474403RMCF0603JT180R Datasheet

DirectRFQ

CRG0603F180R

TE Connectivity Passive ProductIn Stock: 20353CRG0603F180R Datasheet

UpgradeRFQ

ERJ-3EKF1800V

Panasonic Electronic ComponentsIn Stock: 103781ERJ-3EKF1800V Datasheet

UpgradeRFQ

ERJ-3GEYJ181V

Panasonic Electronic ComponentsIn Stock: 100472ERJ-3GEYJ181V Datasheet

UpgradeRFQ

KTR03EZPF1800

Rohm SemiconductorIn Stock: 7119KTR03EZPF1800 Datasheet

UpgradeRFQ

RC0603FR-07180RL

YAGEOIn Stock: 4384RC0603FR-07180RL Datasheet

UpgradeRFQ

RMCF0603FT180R

Stackpole Electronics IncIn Stock: 200928RMCF0603FT180R Datasheet

UpgradeRFQ

AC0603JR-07180RL

YAGEOIn Stock: 19440AC0603JR-07180RL Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts are categorized based on electrical parameter alignment with the RC1608J181CS reference part:

Direct Substitutes (Electrical & Mechanical Equivalence): Parts matching 180 Ohms ±5% tolerance, 0.1W power rating, 0603 package, thick film composition, and -55°C to 155°C operating range. These parts maintain identical electrical performance and physical compatibility.

Upgrade Substitutes (Enhanced Tolerance): Parts with 180 Ohms ±1% tolerance instead of ±5%. These provide improved accuracy while maintaining all other critical parameters including 0.1W power rating, 0603 package, thick film composition, and temperature range. Upgrades are electrically and mechanically compatible with superior tolerance specifications.

Similar Parts (Feature Variations): Parts with identical core electrical specifications (180 Ohms, ±5%, 0.1W, 0603, thick film) but with additional certifications such as Automotive AEC-Q200 rating. These maintain full compatibility while offering enhanced qualification for specific application domains.

Key Substitution Parameters:

• Resistance: 180 Ohms (exact match required)
• Power Rating: 0.1W (exact match required)
• Package: 0603 (1608 Metric) (exact match required)
• Composition: Thick Film (exact match required)
• Operating Temperature: -55°C ~ 155°C (exact match required)
• Tolerance: ±5% (direct) or ±1% (upgrade)

Parameter Comparison

Engineering Selection Recommendations

For Direct Electrical and Mechanical Compatibility:

RC0603JR-07180RL (YAGEO) and RMCF0603JT180R (Stackpole Electronics Inc) are direct substitutes maintaining identical resistance, tolerance, power rating, and package specifications. RC0603JR-07180RL offers high inventory availability (1,000,100 pcs) with moisture-resistant characteristics matching the reference part. RMCF0603JT180R provides Automotive AEC-Q200 qualification with 474,330 pcs in stock, suitable for applications requiring automotive-grade reliability.

For Improved Tolerance Performance:

Upgrade substitutes with ±1% tolerance (CRG0603F180R, ERJ-3EKF1800V, KTR03EZPF1800, RC0603FR-07180RL, RMCF0603FT180R) maintain all critical mechanical and thermal parameters while providing superior accuracy. These are electrically and mechanically compatible with the RC1608J181CS and introduce no design risk when tolerance improvement is acceptable.

For Automotive Applications:

ERJ-3GEYJ181V (Panasonic) and AC0603JR-07180RL (YAGEO) maintain ±5% tolerance with Automotive AEC-Q200 certification. RMCF0603JT180R and RMCF0603FT180R (Stackpole) offer both automotive qualification and high inventory levels. KTR03EZPF1800 (Rohm) combines ±1% tolerance with AEC-Q200 rating and high-voltage capability.

Regulatory Compliance:

All substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating. All parts operate within -55°C to 155°C temperature range. Selection should prioritize parts with confirmed REACH status (REACH Unaffected or REACH Compliant) for supply chain continuity.

Frequently Asked Questions (FAQ)

Q: Can RC0603JR-07180RL replace RC1608J181CS directly on the PCB?

A: Yes. RC0603JR-07180RL is a direct substitute with identical 180 Ohms ±5% specification, 0.1W power rating, 0603 package footprint, and -55°C to 155°C operating range. Physical dimensions and electrical performance are equivalent.

Q: What is the difference between direct substitutes and upgrade substitutes?

A: Direct substitutes (RC0603JR-07180RL, RMCF0603JT180R) match the ±5% tolerance of the reference part. Upgrade substitutes (CRG0603F180R, ERJ-3EKF1800V, KTR03EZPF1800, RC0603FR-07180RL, RMCF0603FT180R) provide ±1% tolerance for improved accuracy. All maintain identical package, power rating, and temperature range.

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

A: Yes. Automotive AEC-Q200 qualified parts (RMCF0603JT180R, ERJ-3GEYJ181V, KTR03EZPF1800, RMCF0603FT180R, AC0603JR-07180RL) meet or exceed general-purpose specifications and are fully compatible with standard applications. Automotive qualification represents additional reliability testing and does not restrict use in non-automotive designs.

Q: What does the temperature coefficient ±100ppm/°C versus ±200ppm/°C mean for substitution?

A: Temperature coefficient indicates resistance value drift over temperature range. The reference part RC1608J181CS specifies ±100ppm/°C. RMCF0603JT180R and ERJ-3GEYJ181V specify ±200ppm/°C, representing slightly higher drift but remaining within acceptable limits for most applications. Selection depends on circuit sensitivity to resistance variation across the -55°C to 155°C operating range.

Q: Can I use a ±1% tolerance part in place of a ±5% tolerance part?

A: Yes. Upgrade substitutes with ±1% tolerance are fully compatible and provide superior accuracy. This substitution introduces no design risk and improves circuit performance where tolerance-sensitive applications benefit from tighter resistance specifications.

Q: What packaging options are available for these substitutes?

A: The reference part RC1608J181CS uses Tape & Reel (TR) packaging. Direct substitute RC0603JR-07180RL uses Cut Tape (CT) & Digi-Reel® packaging. All other substitutes use Tape & Reel (TR). Packaging format affects supply and handling but does not impact electrical or mechanical compatibility on the PCB.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance matching the reference part RC1608J181CS. All parts are also MSL 1 (Unlimited) rated for moisture sensitivity.

Q: Which substitute offers the highest inventory availability?

A: RC0603JR-07180RL (YAGEO) provides the highest inventory with 1,000,100 pcs in stock. RMCF0603JT180R (Stackpole) offers 474,330 pcs. Both provide substantial supply for high-volume production requirements.