Equivalent & Substitute Parts for RK73B1HTTC564J

Part Overview

The RK73B1HTTC564J is a 560 kOhm ±5% thick film chip resistor manufactured by KOA Speer Electronics, Inc., rated for 0.05W (1/20W) power dissipation in a 0201 (0603 Metric) surface mount package. 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 solutions should be evaluated for new circuit implementations. Equivalent and substitute parts are available from multiple manufacturers with identical or improved electrical characteristics and active product status.

Key Parameters

Parameter	Value
Resistance	560 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
Automotive Rating	AEC-Q200
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	MSL 1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the RK73B1HTTC564J are classified into three categories based on electrical and mechanical compatibility:

Direct Equivalents (Same Tolerance ±5%): Parts that maintain identical tolerance specifications and electrical performance characteristics. These substitutes are interchangeable without circuit redesign considerations.

Upgrade Options (Improved Tolerance ±1%): Parts that provide tighter tolerance specifications (±1% versus ±5%) while maintaining all other electrical parameters. These upgrades offer enhanced precision for applications requiring stricter component tolerances.

Substitution Criteria: All substitute parts must satisfy the following mandatory parameters:

Resistance value: 560 kOhms
Package: 0201 (0603 Metric)
Power rating: 0.05W (1/20W) minimum
Composition: Thick Film
Temperature coefficient: ±200ppm/°C or better
Operating temperature range: -55°C to 155°C minimum
RoHS3 compliance
MSL 1 rating

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Operating Temp (°C)	Product Status	Packaging
RK73B1HTTC564J	KOA Speer Electronics	560 kOhms	±5%	0.05	±200	-55 ~ 155	Not For New Designs	Tape & Reel
RK73B1HTTCM564J	KOA Speer Electronics	560 kOhms	±5%	0.05	±200	-55 ~ 155	Active	Not Specified
AC0201JR-07560KL	YAGEO	560 kOhms	±5%	0.05	±200	-55 ~ 155	Active	Tape & Reel
CRCW0201560KJNED	Vishay Dale	560 kOhms	±5%	0.05	±200	-55 ~ 155	Active	Cut Tape
ERJ-1GNJ564C	Panasonic Electronic Components	560 kOhms	±5%	0.05	±200	-55 ~ 125	Active	Tape & Reel
CRCW0201560KFKED	Vishay Dale	560 kOhms	±1%	0.05	±100	-55 ~ 155	Active	Tape & Reel
CRCW0201560KFNED	Vishay Dale	560 kOhms	±1%	0.05	±200	-55 ~ 155	Active	Tape & Reel
ERJ-1GNF5603C	Panasonic Electronic Components	560 kOhms	±1%	0.05	±200	-55 ~ 125	Active	Tape & Reel

Engineering Selection Recommendations

For Direct Replacement (Equivalent Tolerance):

RK73B1HTTCM564J (KOA Speer Electronics) is the manufacturer-recommended equivalent. This part maintains identical electrical specifications to the original RK73B1HTTC564J while offering Active product status, making it suitable for new designs. Both parts are from the same manufacturer and series (RK73B), ensuring consistent performance characteristics.

AC0201JR-07560KL (YAGEO) provides an alternative direct equivalent with Active status. This part includes moisture-resistant features and maintains all required electrical parameters. YAGEO is an established manufacturer with extensive automotive component qualification.

CRCW0201560KJNED (Vishay Dale) offers direct equivalence with Active status and the highest inventory availability (3605 units). This part is available in Cut Tape packaging, suitable for high-volume production environments.

ERJ-1GNJ564C (Panasonic Electronic Components) provides direct equivalence with Active status and exceptional inventory availability (30160 units). Note that the operating temperature range is -55°C to 125°C, which is 30°C lower than the original specification at the upper limit.

For Upgraded Performance (Tighter Tolerance):

CRCW0201560KFKED (Vishay Dale) offers ±1% tolerance with improved temperature coefficient (±100ppm/°C) and maintains the full -55°C to 155°C operating range. This upgrade is appropriate for applications requiring enhanced precision.

CRCW0201560KFNED (Vishay Dale) provides ±1% tolerance with extensive inventory (81313 units) and full temperature range support. This part is recommended when tolerance improvement is required without temperature range compromise.

ERJ-1GNF5603C (Panasonic Electronic Components) delivers ±1% tolerance with the highest inventory availability (82218 units). The operating temperature range is -55°C to 125°C, consistent with the standard ERJ-1GN series.

Compliance and Certification: All substitute parts maintain ROHS3 compliance, MSL 1 rating, and AEC-Q200 automotive qualification (where specified). All parts are suitable for automotive applications and meet regulatory requirements equivalent to the original component.

Frequently Asked Questions (FAQ)

Q: Can I use a ±1% tolerance part as a direct replacement for the ±5% original?

A: Yes. The ±1% tolerance parts (CRCW0201560KFKED, CRCW0201560KFNED, ERJ-1GNF5603C) are electrically compatible and provide superior precision. They are direct mechanical and electrical substitutes with improved performance characteristics. No circuit redesign is required.

Q: What is the difference between the direct equivalents (±5% tolerance)?

A: All direct equivalents maintain identical electrical specifications: 560 kOhms ±5%, 0.05W power rating, ±200ppm/°C temperature coefficient, and -55°C to 155°C operating range. Differences exist in packaging format (Tape & Reel versus Cut Tape), manufacturer, and inventory availability. Selection should be based on procurement requirements and supply chain considerations.

Q: Does ERJ-1GNJ564C have a lower operating temperature limit?

A: Yes. ERJ-1GNJ564C and ERJ-1GNF5603C both specify -55°C to 125°C operating range, which is 30°C lower than the original RK73B1HTTC564J at the upper temperature limit (-55°C to 155°C). These parts are suitable for applications operating within -55°C to 125°C. For applications requiring the full 155°C upper limit, use CRCW series parts or RK73B1HTTCM564J.

Q: What packaging options are available?

A: Substitute parts are available in Tape & Reel (TR) and Cut Tape (CT) formats. RK73B1HTTCM564J, AC0201JR-07560KL, CRCW0201560KFKED, CRCW0201560KFNED, ERJ-1GNJ564C, and ERJ-1GNF5603C are supplied in Tape & Reel. CRCW0201560KJNED is available in Cut Tape. Packaging selection depends on assembly equipment and production volume requirements.

Q: Why is the original RK73B1HTTC564J marked "Not For New Designs"?

A: This designation indicates that the manufacturer recommends using alternative parts for new circuit implementations. The RK73B1HTTCM564J from the same manufacturer provides an active alternative with identical specifications. This is a standard industry practice for managing product lifecycle transitions.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, matching the environmental and regulatory requirements of the original component.

Q: Which substitute offers the best inventory availability?

A: ERJ-1GNF5603C (Panasonic) offers the highest inventory with 82218 units available, followed by CRCW0201560KFNED (Vishay Dale) with 81313 units. Both are upgrade options with ±1% tolerance. For direct equivalents, ERJ-1GNJ564C provides 30160 units.

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