Equivalent & Substitute Parts for RK73B1HTTC620J

Part Overview

The RK73B1HTTC620J is a 62 Ohm ±5% thick film chip resistor rated at 0.05W (1/20W) in 0201 package format (0.60mm x 0.30mm metric). Manufactured by KOA Speer Electronics, Inc., this component is designed for automotive applications with AEC-Q200 qualification. The part is classified as "Not For New Designs," indicating it has been superseded. Equivalent and substitute parts are necessary to support existing designs, provide design flexibility, and ensure supply chain continuity for applications requiring 62 Ohm resistors with matching electrical and mechanical specifications.

Key Parameters

Parameter	Value
Resistance	62 Ohms
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)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the RK73B1HTTC620J is determined by strict equivalence of the following parameters:

Critical Parameters for Direct Substitution:

Resistance value: 62 Ohms
Tolerance: ±5%
Power rating: 0.05W (1/20W)
Package: 0201 (0603 Metric)
Composition: Thick Film
Temperature coefficient: ±200ppm/°C
Operating temperature range: -55°C ~ 155°C
Physical dimensions: 0.024" L x 0.012" W (0.60mm x 0.30mm)
RoHS3 compliance
MSL rating: 1 (Unlimited)

Parts are grouped into three categories:

Direct Equivalents (MFR Recommended & Direct Manufacturer): Parts meeting all critical parameters with identical or superior product status (Active status preferred over Not For New Designs).

Direct Substitutes (Direct Manufacturer): Parts from alternative manufacturers meeting all critical parameters without modification to tolerance or temperature specifications.

Upgrade Options: Parts with enhanced specifications (tighter tolerance ±1% or improved temperature coefficient) that maintain compatibility while providing superior performance characteristics.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Operating Temp (°C)	Package	Product Status	Inventory (Pcs)
RK73B1HTTC620J	KOA Speer	62 Ω	±5%	0.05	±200	-55 ~ 155	0201	Not For New Designs	29795
RK73B1HTTCM620J	KOA Speer	62 Ω	±5%	0.05	±200	-55 ~ 155	0201	Active	858
AC0201JR-0762RL	YAGEO	62 Ω	±5%	0.05	±200	-55 ~ 155	0201	Active	899
CRCW020162R0JNED	Vishay Dale	62 Ω	±5%	0.05	±200	-55 ~ 155	0201	Active	10654
ERJ-1GNJ620C	Panasonic	62 Ω	±5%	0.05	±200	-55 ~ 125	0201	Active	46354
RMCF0201JT62R0	Stackpole	62 Ω	±5%	0.05	±200	-55 ~ 155	0201	Active	14502
CRCW020162R0FKED	Vishay Dale	62 Ω	±1%	0.05	±100	-55 ~ 155	0201	Active	795
CRCW020162R0FNED	Vishay Dale	62 Ω	±1%	0.05	±200	-55 ~ 155	0201	Active	17966
ERJ-1GNF62R0C	Panasonic	62 Ω	±1%	0.05	±200	-55 ~ 125	0201	Active	141269

Engineering Selection Recommendations

For Direct Replacement (Equivalent Performance):

Select RK73B1HTTCM620J as the primary equivalent. This part is manufactured by KOA Speer Electronics, Inc., the original manufacturer of RK73B1HTTC620J, and maintains identical electrical and mechanical specifications while carrying Active product status. This ensures design continuity and supply chain reliability.

For Alternative Manufacturer Substitution (±5% Tolerance):

The following parts provide direct substitution with equivalent specifications:

AC0201JR-0762RL (YAGEO): Active status, includes moisture-resistant thick film feature, suitable for applications requiring enhanced environmental protection.
CRCW020162R0JNED (Vishay Dale): Active status, highest inventory availability among direct substitutes at 10,654 pieces.
ERJ-1GNJ620C (Panasonic): Active status, largest inventory at 46,354 pieces. Operating temperature range limited to -55°C ~ 125°C; verify compatibility if application requires full -55°C ~ 155°C range.
RMCF0201JT62R0 (Stackpole): Active status, AEC-Q200 rated, suitable for automotive applications.

For Enhanced Performance (±1% Tolerance):

Upgrade options provide tighter tolerance specifications:

CRCW020162R0FKED (Vishay Dale): ±1% tolerance, ±100ppm/°C temperature coefficient, full -55°C ~ 155°C operating range.
CRCW020162R0FNED (Vishay Dale): ±1% tolerance, ±200ppm/°C temperature coefficient, full -55°C ~ 155°C operating range, 17,966 pieces in stock.
ERJ-1GNF62R0C (Panasonic): ±1% tolerance, ±200ppm/°C temperature coefficient, highest inventory at 141,269 pieces. Operating temperature range limited to -55°C ~ 125°C.

All substitute parts maintain ROHS3 compliance, MSL 1 rating, and 0201 package format. Selection should prioritize product status (Active preferred), inventory availability, and application-specific temperature requirements.

Frequently Asked Questions (FAQ)

Q: Can RK73B1HTTC620J be replaced with RK73B1HTTCM620J?

A: Yes. RK73B1HTTCM620J is the direct equivalent manufactured by KOA Speer Electronics, Inc. Both parts share identical electrical specifications (62 Ohms ±5%, 0.05W), temperature coefficient (±200ppm/°C), operating range (-55°C ~ 155°C), and 0201 package dimensions. RK73B1HTTCM620J carries Active product status, making it the recommended replacement for the obsolete RK73B1HTTC620J.

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

A: Direct substitutes (AC0201JR-0762RL, CRCW020162R0JNED, ERJ-1GNJ620C, RMCF0201JT62R0) maintain the original ±5% tolerance and ±200ppm/°C temperature coefficient. Upgrade options (CRCW020162R0FKED, CRCW020162R0FNED, ERJ-1GNF62R0C) provide tighter ±1% tolerance and in some cases improved temperature coefficient (±100ppm/°C), offering superior performance for precision applications.

Q: Are all substitute parts compatible with the 0201 package footprint?

A: Yes. All listed substitute parts use the 0201 (0603 Metric) package with identical dimensions: 0.024" L x 0.012" W (0.60mm x 0.30mm). Physical compatibility with existing PCB layouts is confirmed. Height specifications vary slightly (0.010" to 0.011" seated maximum), but remain within standard 0201 package tolerances.

Q: Which substitute part has the best inventory availability?

A: ERJ-1GNF62R0C (Panasonic) offers the highest inventory at 141,269 pieces. For direct ±5% tolerance equivalents, ERJ-1GNJ620C (Panasonic) provides 46,354 pieces. CRCW020162R0JNED (Vishay Dale) offers 10,654 pieces with direct ±5% specifications.

Q: Does ERJ-1GNJ620C operate across the full temperature range of the original part?

A: No. ERJ-1GNJ620C operates from -55°C ~ 125°C, while RK73B1HTTC620J operates from -55°C ~ 155°C. Verify application requirements before substitution. If the full -55°C ~ 155°C range is required, select CRCW020162R0JNED, RMCF0201JT62R0, or upgrade options CRCW020162R0FKED or CRCW020162R0FNED.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts carry ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, matching the environmental and regulatory specifications of RK73B1HTTC620J.

Q: Can upgrade parts with ±1% tolerance be used in place of ±5% tolerance parts?

A: Yes. Upgrade parts with ±1% tolerance are electrically compatible and provide superior accuracy. They can be substituted for ±5% tolerance applications without circuit modification. However, cost and inventory considerations may apply. Upgrade substitution is appropriate for precision analog circuits, reference networks, or applications with tighter tolerance requirements.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message