RC1608J114CS Equivalent & Substitute Parts Reference

Part Overview

The RC1608J114CS is a 110 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 770 pieces currently in stock. The part is moisture resistant and suitable for general-purpose applications across the operating temperature range of -55°C to 155°C. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and compliance certifications to ensure direct interchangeability or functional equivalence in circuit designs.

Key Parameters

Parameter	Value
Resistance	110 kOhms
Tolerance	±5%
Power Rating	0.1W (1/10W)
Package / Case	0603 (1608 Metric)
Composition	Thick Film
Temperature Coefficient	±100ppm/°C
Operating Temperature Range	-55°C ~ 155°C
Moisture Sensitivity Level	1 (Unlimited)
RoHS Status	ROHS3 Compliant
Packaging Type	Tape & Reel (TR)

Substitute Part Grouping Explanation

Substitute parts for the RC1608J114CS are classified into three categories based on substitution compatibility:

Direct Equivalent (Identical Specifications): Parts that match all critical electrical and mechanical parameters: 110 kOhms resistance, ±5% tolerance, 0.1W power rating, 0603 package, ±100ppm/°C temperature coefficient, and -55°C to 155°C operating range. These parts provide one-to-one replacement capability without circuit redesign.

Upgrade Substitutes (Enhanced Tolerance or Features): Parts that maintain the same resistance value, power rating, and package but offer improved tolerance (±1% instead of ±5%), automotive AEC-Q200 certification, or enhanced features such as high voltage capability. These parts are functionally compatible and provide superior performance characteristics while maintaining mechanical and thermal compatibility.

Similar Parts (Automotive-Qualified Variants): Parts that match all specifications but include automotive AEC-Q200 qualification and moisture resistance features. These are suitable for applications requiring automotive-grade reliability.

Critical Parameters for Substitution:

Resistance value: 110 kOhms (exact match required)
Package: 0603 (1608 Metric) (exact match required)
Power rating: 0.1W minimum (exact match required)
Operating temperature: -55°C to 155°C minimum (exact match required)
Tolerance: ±5% or better (±1% acceptable as upgrade)
Composition: Thick Film (exact match required)

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Operating Temp (°C)	Features	Product Status
RC1608J114CS	Samsung Electro-Mechanics	110k	±5%	0.1	±100	-55 ~ 155	Moisture Resistant	Active
RC0603JR-07110KL	YAGEO	110k	±5%	0.1	±100	-55 ~ 155	Moisture Resistant	Active
ERJ-3EKF1103V	Panasonic Electronic Components	110k	±1%	0.1	±100	-55 ~ 155	Automotive AEC-Q200	Active
ERJ-3GEYJ114V	Panasonic Electronic Components	110k	±5%	0.1	±200	-55 ~ 155	Automotive AEC-Q200	Active
KTR03EZPF1103	Rohm Semiconductor	110k	±1%	0.1	±100	-55 ~ 155	Automotive AEC-Q200, High Voltage	Active
MCR03ERTF1103	Rohm Semiconductor	110k	±1%	0.1	±100	-55 ~ 155	None	Discontinued at DiGi Electronics
RC0603FR-07110KL	YAGEO	110k	±1%	0.1	±100	-55 ~ 155	Moisture Resistant	Active
RMCF0603FT110K	Stackpole Electronics Inc	110k	±1%	0.1	±100	-55 ~ 155	Automotive AEC-Q200	Active
RMCF0603JT110K	Stackpole Electronics Inc	110k	±5%	0.1	±200	-55 ~ 155	Automotive AEC-Q200	Active
AC0603JR-07110KL	YAGEO	110k	±5%	0.1	±100	-55 ~ 155	Automotive AEC-Q200, Moisture Resistant	Active

Engineering Selection Recommendations

For Direct Replacement (No Circuit Modification Required):

RC0603JR-07110KL (YAGEO) is the primary direct equivalent with identical electrical specifications, tolerance, and moisture resistance features. This part maintains 51,576 pieces in stock inventory and Active product status, ensuring long-term availability and supply chain continuity.

For Tolerance-Critical Applications:

RC0603FR-07110KL (YAGEO), ERJ-3EKF1103V (Panasonic), KTR03EZPF1103 (Rohm), and RMCF0603FT110K (Stackpole) all provide ±1% tolerance with identical 110 kOhms resistance and 0.1W power rating. These upgrades are suitable when circuit performance requires tighter tolerance specifications. All four parts maintain Active product status with substantial inventory levels (94,894 to 207,069 pieces).

For Automotive Applications:

ERJ-3EKF1103V, ERJ-3GEYJ114V, KTR03EZPF1103, RMCF0603FT110K, RMCF0603JT110K, and AC0603JR-07110KL all carry AEC-Q200 automotive qualification. Selection depends on tolerance requirements: ±1% tolerance for ERJ-3EKF1103V, KTR03EZPF1103, and RMCF0603FT110K; ±5% tolerance for ERJ-3GEYJ114V, RMCF0603JT110K, and AC0603JR-07110KL.

For High Voltage Applications:

KTR03EZPF1103 (Rohm Semiconductor) includes high voltage capability in addition to AEC-Q200 automotive qualification and ±1% tolerance.

Parts to Avoid:

MCR03ERTF1103 (Rohm Semiconductor) is discontinued at DiGi Electronics and should not be selected for new designs despite matching electrical specifications.

All recommended parts comply with ROHS3 and REACH requirements, matching the compliance profile of the RC1608J114CS.

Frequently Asked Questions (FAQ)

Q: Can RC0603JR-07110KL directly replace RC1608J114CS without any circuit modifications?

A: Yes. RC0603JR-07110KL is a direct equivalent with identical resistance (110 kOhms), tolerance (±5%), power rating (0.1W), package (0603), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C to 155°C). Both parts feature moisture resistance and are ROHS3 compliant. No circuit redesign is required.

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

A: Tolerance specifies the acceptable deviation from the nominal 110 kOhms resistance value. ±5% tolerance allows resistance values between 104.5 kOhms and 115.5 kOhms. ±1% tolerance restricts values to 108.9 kOhms to 111.1 kOhms. Applications requiring precise resistance values should use ±1% parts. General-purpose circuits typically accept ±5% tolerance.

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

A: Yes. AEC-Q200 qualification indicates enhanced reliability testing and quality standards. Parts meeting automotive specifications are fully compatible with non-automotive applications and provide superior performance margins. No circuit modifications are necessary.

Q: What does the 0603 package designation mean?

A: 0603 is the imperial designation for a surface-mount resistor measuring 0.063" length by 0.031" width (1.60mm x 0.80mm in metric). This is the standard package size for all listed parts and ensures mechanical compatibility with PCB footprints designed for 0603 components.

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

A: Yes. ±1% tolerance is a tighter specification than ±5% and provides superior accuracy. Substituting a ±1% part for a ±5% requirement improves circuit performance without introducing compatibility issues. The reverse substitution (±5% for ±1% requirement) is not recommended.

Q: What is the significance of the temperature coefficient value?

A: Temperature coefficient (±100ppm/°C or ±200ppm/°C) indicates how much the resistance value changes per degree Celsius change in operating temperature. Lower values indicate better stability. Most listed parts use ±100ppm/°C. Parts with ±200ppm/°C (ERJ-3GEYJ114V and RMCF0603JT110K) are acceptable for general applications but show slightly greater temperature-dependent resistance variation.

Q: Why is MCR03ERTF1103 listed if it is discontinued?

A: MCR03ERTF1103 is included for reference purposes to document historical substitution relationships. For new designs and procurement, select from Active status parts: RC0603JR-07110KL, ERJ-3EKF1103V, ERJ-3GEYJ114V, KTR03EZPF1103, RC0603FR-07110KL, RMCF0603FT110K, RMCF0603JT110K, or AC0603JR-07110KL.

Q: What does ROHS3 compliance mean?

A: ROHS3 (Restriction of Hazardous Substances Directive 3) compliance indicates the part does not contain restricted substances including lead, cadmium, mercury, hexavalent chromium, polybrominated biphenyls, or polybrominated diphenyl ethers. All listed parts meet ROHS3 requirements.

Q: Are there any inventory considerations when selecting a substitute?

A: Yes. RC0603FR-07110KL maintains the highest inventory (207,069 pieces), followed by ERJ-3EKF1103V (94,894 pieces) and RMCF0603FT110K (170,174 pieces). For applications requiring immediate availability or large-volume procurement, these parts offer superior supply chain security.

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