SMCJ10A-TP Transient Voltage Suppressor (TVS) Diode - Equivalent & Substitute Parts

Part Overview

The SMCJ10A-TP is a unidirectional transient voltage suppressor diode manufactured by Micro Commercial Co, designed for general-purpose overvoltage protection in surface-mount applications. This component features a 10V reverse standoff voltage, 17V maximum clamping voltage, and 88.3A peak pulse current capability in a DO-214AB (SMC) package. The part is active in production status with ROHS3 compliance and unlimited moisture sensitivity rating (MSL 1).

Equivalent and substitute parts are identified based on matching or exceeding the electrical performance parameters while maintaining compatibility with the DO-214AB surface-mount package footprint and general-purpose application requirements.

Key Parameters

Parameter	Value	Unit
Voltage - Reverse Standoff (Typ)	10	V
Voltage - Breakdown (Min)	11.1	V
Voltage - Clamping (Max) @ Ipp	17	V
Current - Peak Pulse (10/1000µs)	88.3	A
Power - Peak Pulse	1500	W
Operating Temperature Range	-55°C to 175°C	TJ
Package / Case	DO-214AB, SMC	—
Mounting Type	Surface Mount	—
Type	Zener	—
Unidirectional Channels	1	—

Substitute Part Grouping Explanation

Substitute parts for the SMCJ10A-TP are classified into two categories based on electrical parameter alignment:

Direct Equivalents (Identical Electrical Performance): Parts that match all critical electrical parameters: 10V reverse standoff voltage, 11.1V minimum breakdown voltage, 17V maximum clamping voltage, and 88.2–88.24A peak pulse current. These parts maintain the same 1500W peak pulse power rating and are suitable for direct replacement without circuit redesign.

Higher-Performance Alternatives (Enhanced Electrical Performance): Parts that exceed the peak pulse current specification (176.4–176.5A) and power dissipation capability (3000W), while maintaining identical voltage parameters (10V standoff, 11.1V breakdown, 17V clamping). These parts provide enhanced transient protection margin and are compatible with the same circuit topology.

All substitute parts maintain DO-214AB (SMC) package compatibility, surface-mount configuration, unidirectional channel count (1), and general-purpose application classification.

Parameter Comparison

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
SMCJ10A-TP	Micro Commercial Co	10	11.1	17	88.3	1500	-55 to 175	DO-214AB, SMC
SMCJ10A	Meritek	10	11.1	17	88.24	1500	-55 to 150	DO-214AB, SMC
SMCJ10A-13-F	Diodes Incorporated	10	11.1	17	88.2	1500	-55 to 150	DO-214AB, SMC
SMDJ10A	Alpha & Omega Semiconductor Inc.	10	11.1	17	176.5	3000	-55 to 150	DO-214AB, SMC
SMLJ10A	Bourns Inc.	10	11.1	17	176.4	3000	-55 to 150	DO-214AB, SMC
TPSMD10A	Littelfuse Inc.	10	11.1	17	176.5	3000	-65 to 150	DO-214AB, SMC

Engineering Selection Recommendations

Direct Replacement Candidates: SMCJ10A (Meritek) and SMCJ10A-13-F (Diodes Incorporated) are direct electrical equivalents with matching 88.2–88.24A peak pulse current and 1500W power dissipation. Both maintain ROHS3 compliance and MSL 1 rating. Selection between these and the original SMCJ10A-TP depends on supply chain availability and lead time requirements. Note that operating temperature range is reduced to -55°C to 150°C compared to the original part's -55°C to 175°C specification.

Higher-Performance Alternatives: SMDJ10A (Alpha & Omega Semiconductor Inc.), SMLJ10A (Bourns Inc.), and TPSMD10A (Littelfuse Inc.) provide doubled peak pulse current (176.4–176.5A) and doubled power dissipation (3000W) while maintaining identical voltage parameters. These parts are suitable for applications requiring enhanced transient protection margin. TPSMD10A includes automotive-grade qualification (AEC-Q101) and extended low-temperature operation (-65°C minimum). All three maintain ROHS3 compliance and MSL 1 rating.

Compliance Considerations: All substitute parts maintain ROHS3 compliance and EAR99 export classification. SMLJ10A (Bourns) is marked as REACH Affected, while all other parts are REACH Unaffected. This distinction may impact supply chain selection for applications subject to REACH regulatory requirements.

Frequently Asked Questions (FAQ)

Q: Can SMDJ10A, SMLJ10A, or TPSMD10A be used as direct replacements for SMCJ10A-TP?

A: Yes, these parts are electrically compatible. They maintain identical voltage parameters (10V standoff, 11.1V breakdown, 17V clamping) and the same DO-214AB package footprint. The higher peak pulse current (176.5A vs. 88.3A) and power dissipation (3000W vs. 1500W) provide enhanced protection margin without affecting circuit operation. No circuit redesign is required.

Q: What is the difference between direct equivalents and higher-performance alternatives?

A: Direct equivalents (SMCJ10A from Meritek, SMCJ10A-13-F from Diodes Incorporated) match the original part's 88.2–88.24A peak pulse current and 1500W power rating. Higher-performance alternatives (SMDJ10A, SMLJ10A, TPSMD10A) double both specifications while maintaining voltage compatibility. Selection depends on whether the application requires the additional transient protection capability.

Q: Are there operating temperature differences between substitute parts?

A: Yes. The original SMCJ10A-TP operates from -55°C to 175°C. Most direct equivalents and higher-performance alternatives operate from -55°C to 150°C, reducing the upper temperature limit by 25°C. TPSMD10A extends the lower limit to -65°C. Verify temperature range compatibility with your application requirements before selection.

Q: Does package compatibility differ between substitute parts?

A: No. All substitute parts use the DO-214AB (SMC) surface-mount package, maintaining identical footprint and land pattern compatibility. No PCB layout modifications are required for substitution.

Q: What compliance certifications should I verify for my application?

A: All parts maintain ROHS3 compliance and MSL 1 (unlimited moisture sensitivity). TPSMD10A includes automotive-grade qualification (AEC-Q101) for applications requiring automotive-level reliability. SMLJ10A is marked as REACH Affected, while other parts are REACH Unaffected. Verify REACH status requirements for your supply chain and end-market regulations.

Q: Can I use TPSMD10A in non-automotive applications?

A: Yes. TPSMD10A is qualified to automotive standards but is suitable for general-purpose applications. Its automotive-grade qualification provides additional reliability assurance without restricting use in non-automotive circuits.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message