SMCJ60A-TP Equivalent & Substitute Parts

Part Overview

The SMCJ60A-TP is a unidirectional transient voltage suppressor (TVS) diode manufactured by Micro Commercial Co, designed for general-purpose overvoltage protection in surface-mount applications. This component operates with a 60V reverse standoff voltage and provides 96.8V clamping at 15.5A peak pulse current, delivering 1500W peak pulse power dissipation. The device is housed in a DO-214AB (SMC) package and is ROHS3 compliant with unlimited moisture sensitivity rating. Equivalent and substitute parts are identified based on matching electrical performance parameters and package compatibility, enabling design flexibility and supply chain alternatives.

Key Parameters

Parameter	Value	Unit
Voltage - Reverse Standoff (Typ)	60	V
Voltage - Breakdown (Min)	66.7	V
Voltage - Clamping (Max) @ Ipp	96.8	V
Current - Peak Pulse (10/1000µs)	15.5	A
Power - Peak Pulse	1500	W
Operating Temperature Range	-55 to 175	°C
Package / Case	DO-214AB, SMC	—
Mounting Type	Surface Mount	—
Type	Zener	—
Unidirectional Channels	1	—

Substitute Part Grouping Explanation

Substitute parts for the SMCJ60A-TP are classified into two categories based on electrical parameter alignment:

Direct Equivalents maintain identical electrical specifications: 60V reverse standoff voltage, 66.7V minimum breakdown voltage, 96.8V maximum clamping voltage, 15.5A peak pulse current, and 1500W peak pulse power. These parts are functionally interchangeable within the same circuit design without modification.

Similar Alternatives share the same voltage ratings (60V standoff, 66.7V breakdown, 96.8V clamping) and package form factor but differ in peak pulse current handling and power dissipation capacity. These parts are suitable for applications where higher current or power margins are acceptable or beneficial.

The critical parameters determining substitution eligibility are:

Voltage - Reverse Standoff: 60V
Voltage - Clamping (Max) @ Ipp: 96.8V
Package / Case: DO-214AB, SMC
Mounting Type: Surface Mount
Unidirectional Channels: 1

Parameter Comparison

Manufacturer Part Number	Manufacturer	Voltage - Reverse Standoff (V)	Voltage - Breakdown Min (V)	Voltage - Clamping Max (V)	Current - Peak Pulse (A)	Power - Peak Pulse (W)	Operating Temp (°C)	Package	RoHS Status
SMCJ60A-TP	Micro Commercial Co	60	66.7	96.8	15.5	1500	-55 to 175	DO-214AB, SMC	ROHS3 Compliant
SMCJ60A	Fairchild Semiconductor	60	66.7	96.8	15.5	1500	-55 to 150	DO-214AB, SMC	Not specified
SMCJ60A-13-F	Diodes Incorporated	60	66.7	96.8	15.5	1500	-55 to 150	DO-214AB, SMC	ROHS3 Compliant
SMCJ60A-E3/57T	Vishay General Semiconductor - Diodes Division	60	66.7	96.8	15.5	1500	-55 to 150	DO-214AB, SMC	ROHS3 Compliant
5.0SMDJ60A	Taiwan Semiconductor Corporation	60	66.7	96.8	51.7	5000	-55 to 175	DO-214AB, SMC	ROHS3 Compliant
5.0SMDJ60A-T7	Littelfuse Inc.	60	66.7	96.8	51.7	5000	-65 to 150	DO-214AB, SMC	ROHS3 Compliant
SMDJ60A	Alpha & Omega Semiconductor Inc.	60	66.7	96.8	31	3000	-55 to 150	DO-214AB, SMC	ROHS3 Compliant
SMDJ60A-T7	Littelfuse Inc.	60	66.7	96.8	31	3000	-65 to 150	DO-214AB, SMC	ROHS3 Compliant
SMLJ60A	Bourns Inc.	60	66.7	96.8	31	3000	-55 to 150	DO-214AB, SMC	ROHS3 Compliant

Engineering Selection Recommendations

Direct Equivalents (1:1 Substitution)

SMCJ60A (Fairchild Semiconductor), SMCJ60A-13-F (Diodes Incorporated), and SMCJ60A-E3/57T (Vishay General Semiconductor - Diodes Division) are direct electrical equivalents with identical 15.5A peak pulse current and 1500W power ratings. All three are ROHS3 compliant. The primary consideration is operating temperature range: the original SMCJ60A-TP supports -55°C to 175°C, while the Fairchild and Diodes variants are rated to -55°C to 150°C and -55°C to 150°C respectively. Vishay's part extends to -55°C to 150°C. Selection among these three should prioritize availability and supply chain continuity.

Higher Current Alternatives (Uprated Substitution)

The 5.0SMDJ60A (Taiwan Semiconductor Corporation) and 5.0SMDJ60A-T7 (Littelfuse Inc.) provide 51.7A peak pulse current and 5000W power dissipation while maintaining identical voltage specifications. These are suitable for applications requiring enhanced transient protection margins. Both are ROHS3 compliant. The Taiwan Semiconductor part supports -55°C to 175°C operation, matching the original temperature range. Littelfuse's variant operates -65°C to 150°C, providing extended low-temperature capability.

Mid-Range Alternatives (Moderate Uprating)

SMDJ60A (Alpha & Omega Semiconductor Inc.), SMDJ60A-T7 (Littelfuse Inc.), and SMLJ60A (Bourns Inc.) deliver 31A peak pulse current and 3000W power dissipation. All maintain voltage equivalence and are ROHS3 compliant. Operating temperature ranges are -55°C to 150°C for Alpha & Omega and Bourns variants, with Littelfuse extending to -65°C to 150°C. These parts bridge the performance gap between direct equivalents and higher-rated alternatives.

All substitute parts share the DO-214AB (SMC) surface-mount package, ensuring mechanical and thermal compatibility with the original design footprint.

Frequently Asked Questions (FAQ)

Q: Can I use SMCJ60A-13-F as a direct replacement for SMCJ60A-TP?

A: Yes. Both parts maintain identical electrical specifications: 60V reverse standoff, 96.8V clamping voltage, and 15.5A peak pulse current. Both are ROHS3 compliant and use the DO-214AB (SMC) package. The operating temperature range differs slightly (SMCJ60A-13-F: -55°C to 150°C vs. SMCJ60A-TP: -55°C to 175°C), which is relevant only if your application requires operation above 150°C.

Q: What is the difference between direct equivalents and similar alternatives?

A: Direct equivalents (SMCJ60A variants) match all electrical parameters including 15.5A peak pulse current and 1500W power dissipation. Similar alternatives (5.0SMDJ60A, SMDJ60A, SMLJ60A series) maintain voltage specifications but offer higher current and power ratings. Similar alternatives provide additional protection margin and are suitable for designs where higher transient energy absorption is acceptable.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts carry ROHS3 compliance certification, matching the original SMCJ60A-TP specification.

Q: Does package compatibility affect substitution?

A: No. All substitute parts use the DO-214AB (SMC) surface-mount package, ensuring identical PCB footprint and thermal characteristics. No layout or assembly modifications are required.

Q: Which substitute part should I select for extended low-temperature operation?

A: The 5.0SMDJ60A-T7 (Littelfuse) and SMDJ60A-T7 (Littelfuse) are rated to -65°C, extending 10°C below the original -55°C minimum. These parts are suitable for applications requiring enhanced cold-temperature performance.

Q: Can I use a higher-rated part like 5.0SMDJ60A in place of SMCJ60A-TP?

A: Yes. The 5.0SMDJ60A maintains identical voltage specifications (60V standoff, 96.8V clamping) and package form factor while providing 51.7A peak pulse current and 5000W power dissipation. This uprating increases transient protection capability without affecting circuit voltage regulation or clamping behavior. No design modifications are required.

Q: What compliance certifications should I verify before substitution?

A: Confirm ROHS3 compliance status for your application requirements. All listed substitutes meet this standard. Verify REACH status if your application operates in regulated markets; note that SMDJ60A-T7 and SMLJ60A carry "REACH Affected" designation, while others are "REACH Unaffected."

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