RMC1/8-111JTP Equivalent & Substitute Parts

Part Overview

The RMC1/8-111JTP is a 110 Ohms ±5% 0.25W thick film chip resistor in 1206 (3216 Metric) package manufactured by Kamaya Inc. This component is classified as Active product status with 1033 pieces currently in stock. Equivalent and substitute parts are necessary when the primary part becomes unavailable, when design requirements demand improved tolerance specifications, or when automotive-grade certifications are required for specific applications.

Key Parameters

Parameter	Value
Resistance	110 Ohms
Tolerance	±5%
Power Rating	0.25W (1/4W)
Package / Case	1206 (3216 Metric)
Composition	Thick Film
Temperature Coefficient	±200ppm/°C
Operating Temperature Range	-55°C ~ 155°C
Moisture Sensitivity Level	1 (Unlimited)
Packaging Type	Tape & Reel (TR)

Substitute Part Grouping Explanation

Substitute parts for the RMC1/8-111JTP are grouped into two categories based on electrical parameter compatibility:

Direct Equivalents (Same Tolerance ±5%): Parts maintaining identical tolerance specifications allow direct replacement without circuit redesign. These include ERJ-8GEYJ111V and RC1206JR-07110RL.

Upgraded Substitutes (Tighter Tolerance ±1%): Parts with ±1% tolerance offer improved accuracy and lower temperature coefficient (±100ppm/°C versus ±200ppm/°C). These include CRG1206F110R, ERJ-8ENF1100V, RC1206FR-07110RL, and RMCF1206FT110R. These upgrades are electrically compatible and provide enhanced performance characteristics while maintaining the same 1206 package footprint and 0.25W power rating.

All substitute parts share the following critical parameters with the main part:

Resistance value: 110 Ohms
Package: 1206 (3216 Metric)
Power rating: 0.25W
Composition: Thick Film
Operating temperature: -55°C ~ 155°C
Moisture Sensitivity Level: 1 (Unlimited)

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Package	Product Status	Features
RMC1/8-111JTP	Kamaya Inc.	110 Ω	±5%	0.25	±200	1206	Active	—
ERJ-8GEYJ111V	Panasonic Electronic Components	110 Ω	±5%	0.25	±200	1206	Not For New Designs	Automotive AEC-Q200
RC1206JR-07110RL	YAGEO	110 Ω	±5%	0.25	±100	1206	Active	Moisture Resistant
CRG1206F110R	TE Connectivity Passive Product	110 Ω	±1%	0.25	±100	1206	Active	—
ERJ-8ENF1100V	Panasonic Electronic Components	110 Ω	±1%	0.25	±100	1206	Not For New Designs	Automotive AEC-Q200
RC1206FR-07110RL	YAGEO	110 Ω	±1%	0.25	±100	1206	Active	Moisture Resistant
RMCF1206FT110R	Stackpole Electronics Inc	110 Ω	±1%	0.25	±100	1206	Active	Automotive AEC-Q200

Engineering Selection Recommendations

For Direct Replacement (Same Specifications): RC1206JR-07110RL from YAGEO is the preferred direct equivalent. It maintains ±5% tolerance matching the original RMC1/8-111JTP, offers Active product status for new designs, includes moisture-resistant features, and has the highest inventory availability (208,069 pieces). This part is ROHS3 compliant and REACH unaffected.

For Upgraded Performance (Tighter Tolerance): RC1206FR-07110RL from YAGEO provides ±1% tolerance with Active product status, moisture-resistant composition, and the largest inventory (324,893 pieces). This upgrade reduces tolerance drift and temperature coefficient effects while maintaining full compatibility with the 1206 package footprint.

For Automotive Applications: RMCF1206FT110R from Stackpole Electronics Inc combines ±1% tolerance with Automotive AEC-Q200 certification, Active product status, and 18,135 pieces in stock. This selection is appropriate for automotive-grade circuit requirements.

Avoid for New Designs: ERJ-8GEYJ111V and ERJ-8ENF1100V from Panasonic carry "Not For New Designs" status despite AEC-Q200 certification. These parts are suitable only for legacy system maintenance or replacement applications.

Frequently Asked Questions (FAQ)

Q: Can RC1206FR-07110RL directly replace RMC1/8-111JTP without circuit modification? A: Yes. Both parts share identical 110 Ohms resistance, 0.25W power rating, 1206 package, and -55°C to 155°C operating range. The ±1% tolerance of RC1206FR-07110RL is tighter than the ±5% specification of RMC1/8-111JTP, making it a compatible upgrade with improved accuracy.

Q: What is the difference between ±5% and ±1% tolerance specifications? A: Tolerance defines the acceptable resistance variation from the nominal 110 Ohms value. ±5% allows variation between 104.5 and 115.5 Ohms, while ±1% restricts variation to 108.9 and 111.1 Ohms. Tighter tolerance (±1%) is required in precision circuits where resistance accuracy affects circuit performance.

Q: Are all substitute parts available in the same 1206 package? A: Yes. All listed substitute parts use the 1206 (3216 Metric) package with identical footprint compatibility. Physical dimensions vary slightly (length 3.10mm to 3.20mm, height 0.65mm to 0.70mm), but these variations remain within standard PCB assembly tolerances.

Q: What does "Not For New Designs" status mean? A: This designation indicates the manufacturer has discontinued active development and recommends alternative parts for new circuit designs. These parts remain available for existing product support and legacy system maintenance but should not be selected for new development projects.

Q: Which substitute offers the best combination of availability and performance? A: RC1206FR-07110RL from YAGEO provides the optimal balance with 324,893 pieces in stock, Active product status, ±1% tolerance, moisture-resistant composition, and full ROHS3 compliance. This part is suitable for both new designs and replacement applications.

Q: Are automotive-grade parts (AEC-Q200) necessary for non-automotive applications? A: No. AEC-Q200 certification is specific to automotive industry reliability standards. For general industrial or consumer applications, standard thick film resistors like RC1206FR-07110RL or CRG1206F110R are appropriate and cost-effective.

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