RK73B1HTTC153J Equivalent & Substitute Parts

Part Overview

The RK73B1HTTC153J is a 15 kOhms ±5% thick film chip resistor rated at 0.05W (1/20W) in 0201 package format (0.60mm x 0.30mm). Manufactured by KOA Speer Electronics, Inc., this component is designed for automotive applications and meets AEC-Q200 qualification standards. The part is currently classified as Not For New Designs, indicating that alternative components should be evaluated for new circuit implementations. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain flexibility, and support legacy system maintenance.

Key Parameters

Parameter	Value
Resistance	15 kOhms
Tolerance	±5%
Power Rating	0.05W (1/20W)
Package / Case	0201 (0603 Metric)
Composition	Thick Film
Temperature Coefficient	±200ppm/°C
Operating Temperature Range	-55°C ~ 155°C
Size / Dimension	0.024" L x 0.012" W (0.60mm x 0.30mm)
Height - Seated (Max)	0.010" (0.26mm)
Number of Terminations	2
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected

Substitute Part Grouping Explanation

Substitution of the RK73B1HTTC153J is determined by strict adherence to the following electrical and mechanical parameters:

Critical Parameters for Direct Substitution:

Resistance value: 15 kOhms
Tolerance: ±5% (minimum requirement)
Power rating: 0.05W (1/20W)
Package format: 0201 (0603 Metric)
Composition: Thick Film
Temperature coefficient: ±200ppm/°C
Operating temperature range: -55°C ~ 155°C (minimum)
Physical dimensions: 0.024" L x 0.012" W (0.60mm x 0.30mm)
Number of terminations: 2
Compliance: ROHS3, REACH Unaffected

Direct Substitutes maintain all critical parameters and are functionally interchangeable without circuit modification. These parts share identical electrical specifications and physical form factors.

Upgrade Substitutes offer improved tolerance (±1% instead of ±5%) while maintaining all other critical parameters. These components provide enhanced precision and are suitable for applications requiring tighter resistance tolerances.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Operating Temp (°C)	Package	Product Status	Substitution Type
RK73B1HTTC153J	KOA Speer Electronics, Inc.	15 kOhms	±5%	0.05	±200	-55 ~ 155	0201	Not For New Designs	Main Part
RK73B1HTTCM153J	KOA Speer Electronics, Inc.	15 kOhms	±5%	0.05	±200	-55 ~ 155	0201	Active	Direct
AC0201JR-0715KL	YAGEO	15 kOhms	±5%	0.05	±200	-55 ~ 155	0201	Active	Direct
CRCW020115K0JNED	Vishay Dale	15 kOhms	±5%	0.05	±200	-55 ~ 155	0201	Active	Direct
ERJ-1GNJ153C	Panasonic Electronic Components	15 kOhms	±5%	0.05	±200	-55 ~ 125	0201	Active	Direct
RC0201JR-0715KL	YAGEO	15 kOhms	±5%	0.05	±200	-55 ~ 125	0201	Active	Direct
CRCW020115K0FKED	Vishay Dale	15 kOhms	±1%	0.05	±100	-55 ~ 155	0201	Active	Upgrade
CRCW020115K0FNED	Vishay Dale	15 kOhms	±1%	0.05	±200	-55 ~ 155	0201	Active	Upgrade
ERJ-1GNF1502C	Panasonic Electronic Components	15 kOhms	±1%	0.05	±200	-55 ~ 125	0201	Active	Upgrade
RMCF0201FT15K0	Stackpole Electronics Inc	15 kOhms	±1%	0.05	±200	-55 ~ 155	0201	Active	Upgrade

Engineering Selection Recommendations

For Direct Substitution (Equivalent Functionality):

The following parts are functionally equivalent to the RK73B1HTTC153J and maintain identical electrical and mechanical specifications:

RK73B1HTTCM153J (KOA Speer Electronics, Inc.) – Active product status, same series as main part, recommended for continued supply
AC0201JR-0715KL (YAGEO) – Active status with moisture-resistant thick film composition, extended temperature range to 155°C
CRCW020115K0JNED (Vishay Dale) – Active status, high inventory availability (8006 pcs)
ERJ-1GNJ153C (Panasonic Electronic Components) – Active status, highest inventory availability (142627 pcs), operating temperature to 125°C
RC0201JR-0715KL (YAGEO) – Active status with moisture-resistant features, operating temperature to 125°C

All direct substitutes are ROHS3 compliant and REACH unaffected, maintaining regulatory compliance with the original part.

For Upgraded Performance (Enhanced Tolerance):

The following parts offer improved tolerance specifications (±1% versus ±5%) while maintaining all other critical parameters:

CRCW020115K0FKED (Vishay Dale) – ±1% tolerance, ±100ppm/°C temperature coefficient, operating range -55°C ~ 155°C
CRCW020115K0FNED (Vishay Dale) – ±1% tolerance, ±200ppm/°C temperature coefficient, operating range -55°C ~ 155°C, available in Cut Tape and Digi-Reel packaging
ERJ-1GNF1502C (Panasonic Electronic Components) – ±1% tolerance, ±200ppm/°C temperature coefficient, operating range -55°C ~ 125°C, highest inventory (127855 pcs)
RMCF0201FT15K0 (Stackpole Electronics Inc) – ±1% tolerance, ±200ppm/°C temperature coefficient, operating range -55°C ~ 155°C, AEC-Q200 rated

Upgrade substitutes are appropriate for applications requiring tighter resistance tolerances or improved temperature stability.

Frequently Asked Questions (FAQ)

Q: Can RK73B1HTTCM153J be used as a direct replacement for RK73B1HTTC153J?

A: Yes. RK73B1HTTCM153J is a direct equivalent with identical electrical specifications (15 kOhms ±5%, 0.05W) and physical dimensions (0201 package). The primary difference is product status: RK73B1HTTCM153J is Active, making it the recommended choice for new designs and continued supply.

Q: What is the difference between direct substitutes and upgrade substitutes?

A: Direct substitutes maintain all electrical and mechanical parameters of the original part, including ±5% tolerance. Upgrade substitutes offer improved tolerance (±1%) and in some cases lower temperature coefficients (±100ppm/°C versus ±200ppm/°C), providing enhanced precision and stability. Upgrade substitutes are pin-compatible and physically interchangeable but deliver superior performance characteristics.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant and REACH unaffected, maintaining regulatory compliance with the original RK73B1HTTC153J.

Q: Does operating temperature range affect substitution compatibility?

A: Operating temperature range is a critical parameter. Direct substitutes must support the application's required temperature range. The main part and most direct substitutes operate from -55°C to 155°C. ERJ-1GNJ153C and RC0201JR-0715KL operate to 125°C maximum. Verify application requirements before selection.

Q: Can upgrade parts with ±1% tolerance be used in circuits designed for ±5% tolerance?

A: Yes. Upgrade parts with ±1% tolerance are backward compatible with circuits designed for ±5% tolerance. The tighter tolerance provides improved performance without requiring circuit modification. However, upgrade parts should not be used in applications where the ±5% tolerance is specifically required for circuit function.

Q: What packaging options are available for substitute parts?

A: Most substitute parts are available in Tape & Reel (TR) packaging. CRCW020115K0FNED is available in Cut Tape (CT) and Digi-Reel packaging. Verify packaging requirements for automated assembly processes before final selection.

Q: Is AEC-Q200 automotive qualification maintained across all substitutes?

A: AEC-Q200 qualification is specified for the main part (RK73B1HTTC153J) and RMCF0201FT15K0. Other direct and upgrade substitutes do not list AEC-Q200 in their specifications. For automotive applications requiring AEC-Q200 compliance, select RK73B1HTTCM153J or RMCF0201FT15K0.

Q: Which substitute offers the highest inventory availability?

A: ERJ-1GNJ153C (Panasonic Electronic Components) offers the highest inventory availability at 142,627 pieces, followed by ERJ-1GNF1502C (upgrade version) at 127,855 pieces.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message