SMCJ100A-TP Equivalent & Substitute Parts

Part Overview

The SMCJ100A-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 features a 100V reverse standoff voltage with 162V maximum clamping voltage and 9.3A peak pulse current capability in a DO-214AB (SMC) package. The part is active in production with full RoHS3 compliance and unlimited moisture sensitivity rating.

Equivalent and substitute parts are identified based on matching electrical performance parameters: reverse standoff voltage, breakdown voltage, clamping voltage, peak pulse current, and power dissipation capability. Mechanical compatibility is ensured through identical or functionally equivalent packaging specifications.

Key Parameters

Parameter	Value	Unit
Voltage - Reverse Standoff (Typ)	100	V
Voltage - Breakdown (Min)	111	V
Voltage - Clamping (Max) @ Ipp	162	V
Current - Peak Pulse (10/1000µs)	9.3	A
Power - Peak Pulse	1500	W
Operating Temperature Range	-55 to 175	°C
Package / Case	DO-214AB, SMC	-
Type	Zener	-
Unidirectional Channels	1	-

Substitute Part Grouping Explanation

Substitute parts are classified into two categories based on electrical parameter matching:

Direct Equivalents maintain identical electrical specifications across all critical parameters: 100V reverse standoff voltage, 111V minimum breakdown voltage, 162V maximum clamping voltage, and 9.3A peak pulse current. These parts are interchangeable at the circuit level with no performance deviation. Direct equivalents include SMCJ100A (Fairchild Semiconductor), SMCJ100A-13-F (Diodes Incorporated), and SMCJ100A-E3/57T (Vishay General Semiconductor).

Similar Alternatives share the same voltage specifications (100V standoff, 111V breakdown, 162V clamping) but differ in peak pulse current and power dissipation ratings. These parts provide enhanced performance capability in the same package and are suitable for applications requiring higher transient energy absorption. Similar alternatives include SMDJ100A (Alpha & Omega Semiconductor, 18.6A / 3000W), SMLJ100A (Bourns Inc., 18.6A / 3000W), and 5.0SMDJ100A (Taiwan Semiconductor Corporation, 30.9A / 5000W).

Parameter Comparison

Manufacturer Part Number	Manufacturer	Voltage - Reverse Standoff (Typ)	Voltage - Breakdown (Min)	Voltage - Clamping (Max) @ Ipp	Current - Peak Pulse (10/1000µs)	Power - Peak Pulse	Operating Temperature	Package / Case	Product Status
SMCJ100A-TP	Micro Commercial Co	100V	111V	162V	9.3A	1500W	-55 to 175°C	DO-214AB, SMC	Active
SMCJ100A	Fairchild Semiconductor	100V	111V	162V	9.3A	1500W	-55 to 150°C	DO-214AB, SMC	Active
SMCJ100A-13-F	Diodes Incorporated	100V	111V	162V	9.3A	1500W	-55 to 150°C	DO-214AB, SMC	Active
SMCJ100A-E3/57T	Vishay General Semiconductor	100V	111V	162V	9.3A	1500W	-55 to 150°C	DO-214AB, SMC	Active
SMDJ100A	Alpha & Omega Semiconductor Inc.	100V	111V	162V	18.6A	3000W	-55 to 150°C	DO-214AB, SMC	Active
SMLJ100A	Bourns Inc.	100V	111V	162V	18.6A	3000W	-55 to 150°C	DO-214AB, SMC	Active
5.0SMDJ100A	Taiwan Semiconductor Corporation	100V	111V	162V	30.9A	5000W	-55 to 175°C	DO-214AB, SMC	Active

Engineering Selection Recommendations

All listed substitute parts maintain active product status with full RoHS3 compliance and REACH unaffected classification, ensuring regulatory compatibility with the original SMCJ100A-TP.

Direct equivalents (SMCJ100A, SMCJ100A-13-F, SMCJ100A-E3/57T) are electrically identical and provide one-to-one replacement capability. Selection among direct equivalents depends on packaging availability (Tape & Reel vs. bulk) and supplier inventory levels.

Similar alternatives with higher current ratings (SMDJ100A, SMLJ100A, 5.0SMDJ100A) are suitable for applications where transient energy absorption exceeds 1500W or where design margin for peak pulse current is required. The 5.0SMDJ100A additionally supports the extended temperature range of the original part (-55 to 175°C).

All parts share identical voltage specifications and DO-214AB package geometry, ensuring mechanical and thermal compatibility in existing PCB layouts.

Frequently Asked Questions (FAQ)

Q: Can SMDJ100A or SMLJ100A be used as direct replacements for SMCJ100A-TP?

A: Yes, with design consideration. These parts maintain identical voltage parameters (100V standoff, 162V clamping) and package form factor but provide doubled peak pulse current (18.6A vs. 9.3A) and power dissipation (3000W vs. 1500W). They are electrically compatible and provide enhanced transient protection margin. No circuit modification is required.

Q: What is the difference between SMCJ100A and SMCJ100A-13-F?

A: Both parts are direct electrical equivalents with identical voltage and current specifications. The primary difference is manufacturer (Fairchild Semiconductor vs. Diodes Incorporated) and packaging format. SMCJ100A-13-F is supplied in Tape & Reel format, while SMCJ100A packaging is not specified. Selection depends on procurement requirements and supplier availability.

Q: Is the 5.0SMDJ100A suitable for all applications using SMCJ100A-TP?

A: Yes. The 5.0SMDJ100A maintains identical voltage specifications and package geometry while providing significantly higher peak pulse current (30.9A) and power dissipation (5000W). It additionally supports the full operating temperature range (-55 to 175°C) of the original part. This part is suitable for high-energy transient environments or applications requiring extended thermal performance.

Q: Are there temperature range differences between substitute parts?

A: Yes. SMCJ100A-TP and 5.0SMDJ100A support -55 to 175°C operation. SMCJ100A, SMCJ100A-13-F, SMCJ100A-E3/57T, SMDJ100A, and SMLJ100A are rated to -55 to 150°C. For applications requiring full -55 to 175°C range, use SMCJ100A-TP or 5.0SMDJ100A.

Q: Do all substitute parts have the same moisture sensitivity rating?

A: SMCJ100A-TP, SMCJ100A-13-F, SMCJ100A-E3/57T, and SMLJ100A are rated MSL 1 (Unlimited). SMCJ100A, SMDJ100A, and 5.0SMDJ100A do not specify MSL rating in provided data. Verify MSL requirements with manufacturer datasheets for moisture-sensitive applications.

Q: Can these parts be used interchangeably in existing designs without PCB modification?

A: Yes. All substitute parts use identical DO-214AB (SMC) package geometry and pinout. Direct pin-for-pin replacement is possible without PCB layout changes. Thermal performance may improve with higher-rated alternatives due to enhanced current handling capability.

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