RMCS2512JT100R Equivalent & Substitute Parts

Part Overview

The RMCS2512JT100R is a 100 Ohms ±5% 1W thick film chip resistor in 2512 (6432 Metric) package manufactured by Stackpole Electronics Inc. This part is currently active and widely used in general-purpose applications requiring standard tolerance and power dissipation. Equivalent and substitute parts are identified for applications requiring enhanced specifications such as improved tolerance, increased power rating, automotive qualification, or alternative sourcing.

Key Parameters

Parameter	Value
Resistance	100 Ohms
Tolerance	±5%
Power Rating	1W
Package / Case	2512 (6432 Metric)
Composition	Thick Film
Operating Temperature Range	-55°C ~ 155°C
Temperature Coefficient	±100ppm/°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the RMCS2512JT100R is determined by the following critical parameters: resistance value (100 Ohms), package type (2512), composition (thick film), operating temperature range (-55°C ~ 155°C), and temperature coefficient (±100ppm/°C). All identified substitutes maintain these core electrical and mechanical specifications.

Substitute parts are grouped into three categories based on specification enhancements:

Category 1: Same Tolerance (±5%), Increased Power or Enhanced Features Parts maintaining ±5% tolerance while offering higher power ratings or automotive qualification. These provide direct functional equivalence with enhanced capability.

Category 2: Improved Tolerance (±1%), Same or Higher Power Parts with tighter ±1% tolerance specification, suitable for applications requiring improved accuracy. Power ratings range from 1W to 2W.

Category 3: Multi-Manufacturer Options Equivalent specifications from alternative manufacturers (Bourns Inc., YAGEO, Ohmite, Vishay Dale) providing supply chain flexibility while maintaining electrical and mechanical compatibility.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Features	Temp Coeff	Operating Temp	RoHS Status
RMCS2512JT100R	Stackpole Electronics Inc	100 Ω	±5%	1	2512	Anti-Sulfur	±100ppm/°C	-55°C ~ 155°C	ROHS3 Compliant
RHC2512FT100R	Stackpole Electronics Inc	100 Ω	±1%	2	2512	Moisture Resistant	±100ppm/°C	-55°C ~ 155°C	ROHS3 Compliant
RMCF2512FT100R	Stackpole Electronics Inc	100 Ω	±1%	1	2512	Automotive AEC-Q200	±100ppm/°C	-55°C ~ 155°C	ROHS3 Compliant
RPC2512JT100R	Stackpole Electronics Inc	100 Ω	±5%	1.5	2512	Automotive AEC-Q200, Pulse Withstanding	±100ppm/°C	-55°C ~ 155°C	ROHS3 Compliant
CRM2512AFX-1000ELF	Bourns Inc.	100 Ω	±1%	2	2512	Anti-Sulfur, Automotive AEC-Q200, Pulse Withstanding	±100ppm/°C	-55°C ~ 155°C	ROHS3 Compliant
AC2512FK-07100RL	YAGEO	100 Ω	±1%	1	2512	Automotive AEC-Q200, Moisture Resistant	±100ppm/°C	-55°C ~ 155°C	ROHS3 Compliant
AC2512JK-07100RL	YAGEO	100 Ω	±5%	1	2512	Automotive AEC-Q200, Moisture Resistant	±100ppm/°C	-55°C ~ 155°C	ROHS3 Compliant
AS25J1000ET	Ohmite	100 Ω	±5%	1.5	2512	Pulse Withstanding	±100ppm/°C	-55°C ~ 155°C	ROHS3 Compliant
CRCW2512100RFKEG	Vishay Dale	100 Ω	±1%	1	2512	Automotive AEC-Q200	±100ppm/°C	-55°C ~ 155°C	ROHS3 Compliant
CRCW2512100RFKEGHP	Vishay Dale	100 Ω	±1%	1.5	2512	Automotive AEC-Q200, Pulse Withstanding	±100ppm/°C	-55°C ~ 155°C	ROHS3 Compliant
CRCW2512100RFKTG	Vishay Dale	100 Ω	±1%	1	2512	Automotive AEC-Q200	±100ppm/°C	-55°C ~ 155°C	RoHS non-compliant

Engineering Selection Recommendations

For General-Purpose Applications with Standard Tolerance Requirements: The RMCS2512JT100R remains the baseline specification. Direct equivalents maintaining ±5% tolerance and 1W power rating include AC2512JK-07100RL (YAGEO) and AS25J1000ET (Ohmite), both offering automotive AEC-Q200 qualification as an additional feature without specification change.

For Applications Requiring Improved Tolerance (±1%): RMCF2512FT100R, CRCW2512100RFKEG, and AC2512FK-07100RL provide ±1% tolerance at 1W power rating with automotive AEC-Q200 qualification. These are direct functional upgrades for circuits requiring tighter resistance accuracy.

For Applications Requiring Increased Power Dissipation: RHC2512FT100R (2W, ±1%) and CRM2512AFX-1000ELF (2W, ±1%) provide doubled power capacity. CRM2512AFX-1000ELF additionally includes anti-sulfur and pulse withstanding features.

For Pulse-Withstanding Applications: RPC2512JT100R, AS25J1000ET, CRM2512AFX-1000ELF, and CRCW2512100RFKEGHP are specified for pulse withstanding capability. RPC2512JT100R and AS25J1000ET maintain ±5% tolerance, while CRM2512AFX-1000ELF and CRCW2512100RFKEGHP provide ±1% tolerance with 1.5W or 2W power ratings.

For Automotive Applications: All substitute parts except RMCS2512JT100R carry AEC-Q200 automotive qualification. CRCW2512100RFKTG is not RoHS3 compliant and should not be selected for new designs requiring RoHS compliance.

Frequently Asked Questions (FAQ)

Q: Can RMCS2512JT100R be directly replaced with RHC2512FT100R? A: Yes, for applications where increased power rating (2W vs. 1W) and improved tolerance (±1% vs. ±5%) are acceptable. Both parts maintain identical resistance value, package type, operating temperature range, and temperature coefficient. Physical dimensions differ slightly (height 0.028" vs. 0.026"), which may affect PCB layout in space-constrained designs.

Q: What is the difference between RPC2512JT100R and RMCS2512JT100R? A: RPC2512JT100R offers 1.5W power rating (vs. 1W), automotive AEC-Q200 qualification, and pulse withstanding capability. Resistance, tolerance, package, and operating temperature remain identical. RPC2512JT100R is suitable for automotive applications and circuits experiencing transient power spikes.

Q: Are YAGEO AC2512 series parts compatible with Stackpole RMCS series? A: Yes. AC2512FK-07100RL and AC2512JK-07100RL maintain identical electrical specifications (100 Ohms, 2512 package, -55°C ~ 155°C operating range, ±100ppm/°C temperature coefficient). Both are ROHS3 compliant with automotive AEC-Q200 qualification. Physical dimensions are identical to RMCS2512JT100R.

Q: Which substitute offers the best specification for high-reliability applications? A: CRM2512AFX-1000ELF (Bourns) combines 2W power rating, ±1% tolerance, anti-sulfur protection, automotive AEC-Q200 qualification, and pulse withstanding capability. CRCW2512100RFKEGHP (Vishay Dale) provides similar features with 1.5W power rating and ±1% tolerance.

Q: Is CRCW2512100RFKTG suitable for new designs? A: CRCW2512100RFKTG is not RoHS3 compliant and marked as RoHS non-compliant. It should not be selected for new product designs. Use CRCW2512100RFKEG or CRCW2512100RFKEGHP instead, which are ROHS3 compliant equivalents.

Q: Can I use a 2W rated resistor in place of a 1W rated resistor? A: Yes, provided the circuit design accommodates the slightly larger physical dimensions. Higher power-rated resistors operate at lower temperatures under the same current load, improving reliability. Verify PCB layout compatibility before substitution.

Q: What packaging options are available for these substitutes? A: RMCS2512JT100R, RHC2512FT100R, RPC2512JT100R, CRM2512AFX-1000ELF, and Vishay CRCW series are supplied in Tape & Reel (TR) packaging. RMCF2512FT100R and YAGEO AC series are available in Cut Tape (CT) or Cut Tape & Digi-Reel packaging. Verify packaging requirements for automated assembly processes.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message