RPC2010JT1K20 Equivalent & Substitute Parts

Part Overview

The RPC2010JT1K20 is a 1.2 kOhms ±5% 0.75W thick film chip resistor in 2010 (5025 Metric) package manufactured by Stackpole Electronics Inc. This component is rated for automotive applications under AEC-Q200 standard with pulse withstanding capability. The part maintains Active product status with 883 units currently in stock.

Equivalent and substitute parts are necessary when the primary part becomes unavailable, when design requirements demand tighter tolerance specifications, or when alternative manufacturers' components are preferred for supply chain diversification and cost optimization.

Key Parameters

Parameter	Value
Resistance	1.2 kOhms
Tolerance	±5%
Power Rating	0.75W (3/4W)
Package / Case	2010 (5025 Metric)
Composition	Thick Film
Operating Temperature Range	-55°C ~ 155°C
Automotive Rating	AEC-Q200
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the RPC2010JT1K20 is determined by the following critical parameters:

Mandatory Matching Parameters:

Resistance value: 1.2 kOhms
Package / Case: 2010 (5025 Metric)
Power rating: 0.75W minimum
Operating temperature range: -55°C ~ 155°C minimum
Composition: Thick Film
RoHS compliance: ROHS3 Compliant

Allowable Variations:

Tolerance: ±5% or tighter (±1% acceptable)
Temperature coefficient: ±100ppm/°C or ±200ppm/°C
Automotive rating: AEC-Q200 required for direct substitution
Moisture resistance features: Additional features permitted
Manufacturer: Any qualified manufacturer

Substitute parts are grouped into two categories: MFR Recommended alternatives with tighter tolerance specifications (±1%), and Direct Manufacturer alternatives maintaining the original ±5% tolerance with equivalent electrical performance.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Operating Temp (°C)	AEC-Q200	Product Status	Inventory (Pcs)
RPC2010JT1K20	Stackpole Electronics Inc	1.2 kOhms	±5%	0.75	±100	-55 ~ 155	Yes	Active	883
RMCF2010FT1K20	Stackpole Electronics Inc	1.2 kOhms	±1%	0.75	±100	-55 ~ 155	Yes	Active	8021
ERJ-12ZYJ122U	Panasonic Electronic Components	1.2 kOhms	±5%	0.75	±200	-55 ~ 155	Yes	Not For New Designs	140128
AC2010JK-071K2L	YAGEO	1.2 kOhms	±5%	0.75	±100	-55 ~ 155	Yes	Active	7836
CRCW20101K20FKEF	Vishay Dale	1.2 kOhms	±1%	0.75	±100	-55 ~ 155	Yes	Active	59428
RC2010FK-071K2L	YAGEO	1.2 kOhms	±1%	0.75	±100	-55 ~ 155	No	Active	1617
RC2010JK-071K2L	YAGEO	1.2 kOhms	±5%	0.75	±100	-55 ~ 155	No	Active	4300

Engineering Selection Recommendations

Primary Substitutes (Active Status, AEC-Q200 Rated):

RMCF2010FT1K20 (Stackpole Electronics Inc) is the manufacturer-recommended substitute offering ±1% tolerance with identical electrical characteristics and AEC-Q200 automotive qualification. This part is preferred for applications requiring tighter tolerance control while maintaining supply continuity from the original manufacturer.

AC2010JK-071K2L (YAGEO) provides equivalent ±5% tolerance performance with AEC-Q200 rating and moisture-resistant thick film composition. This part is suitable for direct functional replacement with high inventory availability (7836 units).

CRCW20101K20FKEF (Vishay Dale) offers ±1% tolerance with AEC-Q200 qualification and the highest inventory level (59428 units), providing superior supply chain security for high-volume applications.

Secondary Substitutes (Limited Applicability):

ERJ-12ZYJ122U (Panasonic Electronic Components) maintains ±5% tolerance and AEC-Q200 rating but carries "Not For New Designs" product status. This part is suitable only for legacy system maintenance or repair applications where design freeze conditions apply.

RC2010FK-071K2L and RC2010JK-071K2L (YAGEO) lack AEC-Q200 automotive certification despite meeting all other electrical and mechanical parameters. These parts are not suitable for automotive applications requiring AEC-Q200 compliance but may be considered for industrial or consumer-grade applications with equivalent environmental specifications.

Frequently Asked Questions (FAQ)

Q: Can I use a ±1% tolerance part as a substitute for the ±5% RPC2010JT1K20?

A: Yes. Tighter tolerance specifications are functionally compatible. Parts with ±1% tolerance (RMCF2010FT1K20, CRCW20101K20FKEF) provide superior accuracy and are direct substitutes. The circuit design must accommodate the original ±5% tolerance specification; tighter tolerance does not create incompatibility.

Q: What is the significance of AEC-Q200 rating for substitution?

A: AEC-Q200 certification indicates the component meets automotive-grade reliability standards including thermal cycling, moisture resistance, and failure rate requirements. For automotive applications, substitute parts must maintain AEC-Q200 rating. Parts lacking this certification (RC2010FK-071K2L, RC2010JK-071K2L) are not suitable for automotive designs.

Q: Are all substitute parts physically identical in the 2010 package?

A: All listed substitutes use the 2010 (5025 Metric) package with identical footprint dimensions (0.197" L x 0.098" W / 5.00mm x 2.50mm). Height variations exist: RPC2010JT1K20 and AC2010JK-071K2L measure 0.026" (0.65mm) maximum, while RMCF2010FT1K20, ERJ-12ZYJ122U, and CRCW20101K20FKEF measure 0.028" (0.70mm) maximum. These height differences are within standard PCB assembly tolerances and do not affect compatibility.

Q: Why is ERJ-12ZYJ122U marked "Not For New Designs"?

A: This product status indicates the manufacturer (Panasonic) has discontinued active development and recommends against use in new circuit designs. The part remains available for existing production runs and legacy system support but should not be selected for new product development.

Q: What is the difference between moisture-resistant and standard thick film compositions?

A: Moisture-resistant thick film (AC2010JK-071K2L, RC2010FK-071K2L, RC2010JK-071K2L) provides enhanced protection against humidity ingress and condensation exposure. Standard thick film (RPC2010JT1K20, RMCF2010FT1K20, CRCW20101K20FKEF) meets MSL 1 (Unlimited) requirements. Both are functionally equivalent; moisture-resistant variants offer additional environmental protection for high-humidity applications.

Q: Can I substitute parts with different temperature coefficients (±100ppm/°C vs ±200ppm/°C)?

A: Yes, within the specified operating range of -55°C to 155°C. ERJ-12ZYJ122U with ±200ppm/°C temperature coefficient is functionally compatible. The circuit design must account for the original component's temperature coefficient specification; substitution with a different coefficient does not create incompatibility if the operating temperature range remains constant.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message