Equivalent & Substitute Parts for RC1608J112CS

Part Overview

The RC1608J112CS is a 1.1 kOhms ±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 ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). The RC1608J112CS is widely used in general-purpose electronic applications requiring standard tolerance resistive elements. Substitute parts are identified to address inventory availability, enhanced tolerance specifications, or automotive-grade certifications while maintaining electrical and mechanical compatibility.

Substiute Parts

RC1608J112CS

Samsung Electro-MechanicsIn Stock: 859RC1608J112CS Datasheet

Current PartRFQ

RC0603JR-071K1L

YAGEOIn Stock: 90803RC0603JR-071K1L Datasheet

DirectRFQ

RMCF0603FT1K10

Stackpole Electronics IncIn Stock: 84683RMCF0603FT1K10 Datasheet

DirectRFQ

ERJ-3EKF1101V

Panasonic Electronic ComponentsIn Stock: 229063ERJ-3EKF1101V Datasheet

UpgradeRFQ

KTR03EZPF1101

Rohm SemiconductorIn Stock: 9621KTR03EZPF1101 Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution logic for the RC1608J112CS is based on strict electrical and mechanical parameter matching. All substitute parts maintain the following core requirements:

Mandatory Matching Parameters:

• Resistance value: 1.1 kOhms (exact match)
• Package / Case: 0603 (1608 Metric)
• Power rating: 0.1W (1/10W)
• Composition: Thick Film
• Operating temperature range: -55°C ~ 155°C
• Temperature coefficient: ±100ppm/°C
• Number of terminations: 2
• RoHS compliance: ROHS3 Compliant
• Moisture sensitivity level: MSL 1 (Unlimited)

Tolerance Consideration: The RC1608J112CS specifies ±5% tolerance. Substitute parts with ±1% tolerance (tighter tolerance) are electrically compatible and represent an upgrade path. Parts with ±5% tolerance provide direct equivalence.

Packaging Format: The main part is supplied in Cut Tape (CT) format. Substitute parts in Tape & Reel (TR) format are mechanically compatible but differ in packaging presentation.

Automotive Certification: Certain substitute parts include AEC-Q200 automotive qualification. This certification is an enhancement and does not prevent substitution in non-automotive applications.

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalent (Same Tolerance): RC0603JR-071K1L (YAGEO) is a direct equivalent to RC1608J112CS. Both parts specify ±5% tolerance and identical electrical characteristics. Selection between these two is based on inventory availability and packaging preference (Cut Tape versus Tape & Reel).

Upgraded Tolerance Options: RMCF0603FT1K10 (Stackpole Electronics Inc), ERJ-3EKF1101V (Panasonic Electronic Components), and KTR03EZPF1101 (Rohm Semiconductor) all provide ±1% tolerance, representing tighter accuracy specifications than the original ±5% tolerance. These parts are electrically superior and maintain all other critical parameters. All three are AEC-Q200 automotive qualified, indicating enhanced reliability standards.

Automotive Applications: For applications requiring automotive-grade components, RMCF0603FT1K10, ERJ-3EKF1101V, and KTR03EZPF1101 are qualified options. KTR03EZPF1101 includes additional high voltage features beyond standard automotive requirements.

Compliance and Regulatory: All substitute parts maintain ROHS3 compliance, MSL 1 moisture sensitivity level, and identical operating temperature ranges. No regulatory or environmental restrictions apply to any substitution path.

Packaging Considerations: RC1608J112CS is supplied in Cut Tape format. All substitute parts are available in Tape & Reel format, which is standard for high-volume manufacturing. Tape & Reel packaging is compatible with automated assembly equipment.

Frequently Asked Questions (FAQ)

Q: Can RC0603JR-071K1L replace RC1608J112CS directly? A: Yes. RC0603JR-071K1L is a direct equivalent with identical resistance (1.1 kOhms), tolerance (±5%), power rating (0.1W), package (0603), and all environmental specifications. The only difference is the packaging format (Tape & Reel versus Cut Tape) and manufacturer (YAGEO versus Samsung).

Q: What is the difference between ±5% and ±1% tolerance? A: Tolerance defines the acceptable deviation from the nominal resistance value. RC1608J112CS with ±5% tolerance allows resistance values between 1.045 kOhms and 1.155 kOhms. Substitute parts with ±1% tolerance restrict values between 1.089 kOhms and 1.111 kOhms, providing higher accuracy. ±1% parts are electrically compatible in circuits designed for ±5% components.

Q: Are AEC-Q200 qualified parts suitable for non-automotive applications? A: Yes. AEC-Q200 certification indicates enhanced reliability and stricter manufacturing controls. Parts meeting automotive standards are fully compatible with general-purpose applications and represent a quality upgrade.

Q: Does the 0.002" (0.05mm) dimension difference in RMCF0603FT1K10 affect compatibility? A: No. RMCF0603FT1K10 measures 0.061" L x 0.031" W compared to 0.063" L x 0.031" W for other parts. This minor variation remains within 0603 package specifications and does not affect PCB footprint compatibility or assembly processes.

Q: What is the significance of MSL 1 (Unlimited) moisture sensitivity? A: MSL 1 indicates the component has unlimited shelf life and requires no special moisture control during storage or handling. All substitute parts share this specification, eliminating moisture-related handling constraints.

Q: Can I use these parts interchangeably in production? A: Yes, provided the circuit design accommodates the tolerance specifications. Direct equivalents (±5% tolerance) are fully interchangeable. Upgraded parts (±1% tolerance) are also interchangeable and provide superior accuracy without circuit modification.

Q: What is the difference between Cut Tape and Tape & Reel packaging? A: Cut Tape (CT) is supplied in shorter strips suitable for manual handling or small-quantity assembly. Tape & Reel (TR) is wound on reels for automated pick-and-place equipment. Both formats contain identical components; packaging format selection depends on assembly methodology.

Q: Are all substitute parts in stock? A: Inventory status is subject to change. RC0603JR-071K1L (YAGEO) has the highest inventory at 90,778 pieces. RMCF0603FT1K10 (Stackpole) has 84,648 pieces. ERJ-3EKF1101V (Panasonic) has 229,040 pieces. KTR03EZPF1101 (Rohm) has 9,595 pieces. Current availability should be confirmed at time of procurement.