SMCJ64A-13 Equivalent & Substitute Parts

Part Overview

The SMCJ64A-13 is a unidirectional transient voltage suppressor (TVS) diode manufactured by Diodes Incorporated in the DO-214AB (SMC) surface mount package. This component is designed for general-purpose overvoltage protection applications with a 64V reverse standoff voltage and 103V maximum clamping voltage at peak pulse current of 14.6A. The part is currently discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives from active manufacturers to maintain design continuity and supply chain reliability.

Key Parameters

Parameter	Value	Unit
Type	Zener TVS Diode	—
Unidirectional Channels	1	—
Voltage - Reverse Standoff (Typ)	64V	V
Voltage - Breakdown (Min)	71.1V	V
Voltage - Clamping (Max) @ Ipp	103V	V
Current - Peak Pulse (10/1000µs)	14.6A	A
Power - Peak Pulse	1500W	W
Operating Temperature Range	-55°C to 150°C	°C
Mounting Type	Surface Mount	—
Package / Case	DO-214AB, SMC	—
Applications	General Purpose	—

Substitute Part Grouping Explanation

Substitution of the SMCJ64A-13 is determined by strict equivalence across the following critical parameters:

Voltage Rating: Reverse standoff voltage of 64V ±5% and breakdown voltage minimum of 71.1V
Clamping Voltage: Maximum clamping voltage of 103V at peak pulse current
Package: DO-214AB (SMC) surface mount configuration
Unidirectional Configuration: Single channel protection
Operating Temperature: Minimum range of -55°C to 150°C

Substitute parts are grouped into three categories based on power dissipation capability:

Direct Equivalents (1.5kW): Parts with identical 1500W peak pulse power rating and 14.6A peak pulse current
Higher Power Alternatives (3kW): Parts with 3000W peak pulse power rating and 29.2A peak pulse current, maintaining identical voltage parameters
High Power Alternatives (5kW): Parts with 5000W peak pulse power rating and 48.6A peak pulse current, maintaining identical voltage parameters

Parameter Comparison

Part Number	Manufacturer	VWM (V)	VBR Min (V)	VC Max (V)	Ipp (A)	Power (W)	Temp Range (°C)	Package	Status
SMCJ64A-13	Diodes Incorporated	64	71.1	103	14.6	1500	-55 to 150	DO-214AB, SMC	Discontinued
SMCJ64A-13-F	Diodes Incorporated	64	71.1	103	14.6	1500	-55 to 150	DO-214AB, SMC	Active
SMCJ64A	Meritek	64	71.1	103	14.56	1500	-55 to 150	DO-214AB, SMC	Active
SMCJ64A-TP	Micro Commercial Co	64	71.1	103	14.6	1500	-55 to 175	DO-214AB, SMC	Active
1.5SMC75A	Taiwan Semiconductor Corporation	64.1	71.3	103	15	1500	-55 to 150	DO-214AB, SMC	Active
SMDJ64A	Alpha & Omega Semiconductor Inc.	64	71.1	103	29.2	3000	-55 to 150	DO-214AB, SMC	Active
SMLJ64A	Bourns Inc.	64	71.1	103	29.2	3000	-55 to 150	DO-214AB, SMC	Active
5.0SMDJ64A	Taiwan Semiconductor Corporation	64	71.1	103	48.6	5000	-55 to 175	DO-214AB, SMC	Active
5.0SMDJ64A-T7	Littelfuse Inc.	64	71.1	103	48.6	5000	-65 to 150	DO-214AB, SMC	Active

Engineering Selection Recommendations

Direct Replacement (Identical Specifications)

SMCJ64A-13-F from Diodes Incorporated is the direct equivalent with identical electrical specifications and active product status. This part maintains the same 1500W power rating, 14.6A peak pulse current, and operating temperature range. The -F suffix indicates Tape & Reel packaging, suitable for automated assembly processes.

SMCJ64A from Meritek provides functional equivalence with marginally lower peak pulse current (14.56A versus 14.6A), within acceptable tolerance for general-purpose applications. This part offers the highest inventory availability at 38,200 units.

SMCJ64A-TP from Micro Commercial Co maintains identical electrical performance with extended upper operating temperature to 175°C, providing thermal margin for high-temperature environments.

Higher Power Alternatives (3kW Rating)

SMDJ64A from Alpha & Omega Semiconductor Inc. and SMLJ64A from Bourns Inc. both provide 3000W peak pulse power with 29.2A peak pulse current while maintaining identical voltage parameters. These parts are suitable for applications requiring enhanced transient energy absorption. SMLJ64A carries REACH Affected status; SMDJ64A carries REACH Unaffected status.

High Power Alternatives (5kW Rating)

5.0SMDJ64A from Taiwan Semiconductor Corporation and 5.0SMDJ64A-T7 from Littelfuse Inc. provide 5000W peak pulse power with 48.6A peak pulse current. Both maintain identical voltage specifications. The 5.0SMDJ64A-T7 variant offers extended lower temperature rating to -65°C and Tape & Reel packaging for automated assembly.

Compliance Status

All substitute parts listed carry ROHS3 compliance or ROHS non-compliant status as provided. REACH status varies: most parts are REACH Unaffected; SMLJ64A is REACH Affected. All parts carry EAR99 ECCN classification and 8541.10.0080 HTSUS code.

Frequently Asked Questions (FAQ)

Q: Can SMCJ64A-13-F be used as a direct replacement for SMCJ64A-13?

A: Yes. SMCJ64A-13-F from Diodes Incorporated is electrically and mechanically identical to the original part. The -F suffix indicates Tape & Reel packaging format. Both parts maintain 64V reverse standoff voltage, 103V clamping voltage, 14.6A peak pulse current, and 1500W power rating. The primary difference is packaging configuration and active product status.

Q: What is the difference between 1.5kW, 3kW, and 5kW rated parts?

A: Power rating indicates the maximum transient energy the part can dissipate during a 10/1000µs pulse. The 1.5kW parts (SMCJ64A-13, SMCJ64A-13-F, SMCJ64A, SMCJ64A-TP, 1.5SMC75A) handle 14.6A peak pulse current. The 3kW parts (SMDJ64A, SMLJ64A) handle 29.2A. The 5kW parts (5.0SMDJ64A, 5.0SMDJ64A-T7) handle 48.6A. All maintain identical voltage parameters. Selection depends on the magnitude of transient current expected in the application.

Q: Are all substitute parts in the same DO-214AB package?

A: Yes. All listed substitute parts use the DO-214AB (SMC) surface mount package, ensuring mechanical and footprint compatibility with the original SMCJ64A-13 design.

Q: What is the significance of the -TP and -T7 suffixes?

A: The -TP suffix (SMCJ64A-TP) indicates Tape & Reel packaging from Micro Commercial Co. The -T7 suffix (5.0SMDJ64A-T7) indicates Tape & Reel packaging from Littelfuse Inc. Both formats are suitable for automated pick-and-place assembly. The base part number without these suffixes may indicate bulk or alternative packaging.

Q: Which substitute offers the widest operating temperature range?

A: 5.0SMDJ64A-T7 from Littelfuse Inc. provides the widest range at -65°C to 150°C, compared to the original -55°C to 150°C specification. SMCJ64A-TP extends the upper limit to 175°C.

Q: Are there RoHS compliance differences among substitutes?

A: The original SMCJ64A-13 is RoHS non-compliant. All active substitute parts listed carry ROHS3 compliance, meeting current environmental regulations for new designs and procurement.

Q: What inventory considerations apply to these substitutes?

A: SMCJ64A from Meritek offers the highest inventory at 38,200 units. SMCJ64A-13-F provides 4,060 units. 5.0SMDJ64A offers 9,200 units. Availability varies by distributor and time. Verify current stock levels with component suppliers before design finalization.

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