SMCJ100CA-TP Transient Voltage Suppressor (TVS) Diode - Equivalent & Substitute Parts

Part Overview

The SMCJ100CA-TP is a bidirectional transient voltage suppressor diode manufactured by Micro Commercial Co, designed for general-purpose overvoltage protection in surface-mount applications. This component operates with a 100V reverse standoff voltage and provides 162V maximum clamping voltage at peak pulse current of 9.3A, delivering 1500W peak pulse power dissipation. The device is housed in a DO-214AB (SMC) package and is ROHS3 compliant with unlimited moisture sensitivity level (MSL 1). The active product status and widespread availability (3593 pcs in stock) make it suitable for new designs and production applications. Equivalent and substitute parts are identified to support component sourcing flexibility, inventory management, and supply chain continuity.

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	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the SMCJ100CA-TP are classified into two categories based on electrical parameter alignment:

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 design modifications required.

Similar Alternatives share the same voltage ratings (100V standoff, 111V breakdown, 162V clamping) and package form factor (DO-214AB, SMC) but differ in peak pulse current handling and power dissipation capability. These parts are suitable for applications where higher current capacity or power handling is beneficial or where the original specification is not a limiting constraint.

Key Parameters Determining Substitution:

Voltage - Reverse Standoff (Typ): 100V
Voltage - Breakdown (Min): 111V
Voltage - Clamping (Max) @ Ipp: 162V
Package / Case: DO-214AB, SMC
Mounting Type: Surface Mount
Bidirectional Channels: 1

Parameter Comparison

Manufacturer Part Number	Manufacturer	Voltage - Reverse Standoff (V)	Voltage - Breakdown (V)	Voltage - Clamping (V)	Current - Peak Pulse (A)	Power - Peak Pulse (W)	Operating Temperature (°C)	Package	RoHS Status
SMCJ100CA-TP	Micro Commercial Co	100	111	162	9.3	1500	-55 to 175	DO-214AB, SMC	ROHS3 Compliant
SMCJ100CA	HY Electronic (Cayman) Limited	100	111	162	9.3	1500	-55 to 150	DO-214AB, SMC	ROHS3 Compliant
SMCJ100CA-13-F	Diodes Incorporated	100	111	162	9.3	1500	-55 to 150	DO-214AB, SMC	ROHS3 Compliant
SMCJ100CA-E3/57T	Vishay General Semiconductor - Diodes Division	100	111	162	9.3	1500	-55 to 150	DO-214AB, SMC	ROHS3 Compliant
5.0SMDJ100CA	MDE Semiconductor Inc	100	111	162	30.9	5000	-55 to 150	DO-214AB, SMC	ROHS3 Compliant
SMDJ100CA	Alpha & Omega Semiconductor Inc.	100	111	162	18.6	3000	-55 to 150	DO-214AB, SMC	ROHS3 Compliant
SMDJ100CA-T7	Littelfuse Inc.	100	111	162	18.5	3000	-65 to 150	DO-214AB, SMC	ROHS3 Compliant
SMLJ100CA	Bourns Inc.	100	111	162	18.6	3000	-55 to 150	DO-214AB, SMC	ROHS3 Compliant

Engineering Selection Recommendations

Direct Equivalent Selection: SMCJ100CA (HY Electronic), SMCJ100CA-13-F (Diodes Incorporated), and SMCJ100CA-E3/57T (Vishay) are direct electrical equivalents with identical 9.3A peak pulse current and 1500W power dissipation. All three maintain ROHS3 compliance and unlimited MSL rating. Selection among these three is based on supplier availability and lead time. The SMCJ100CA-TP operates to 175°C junction temperature, while direct equivalents are rated to 150°C; applications requiring the extended upper temperature range should retain the original SMCJ100CA-TP specification.

Higher Current Capacity Alternatives: The 5.0SMDJ100CA (MDE Semiconductor), SMDJ100CA (Alpha & Omega), SMDJ100CA-T7 (Littelfuse), and SMLJ100CA (Bourns) maintain identical voltage specifications but provide increased peak pulse current handling (18.5A to 30.9A) and power dissipation (3000W to 5000W). These alternatives are suitable for applications where transient energy levels exceed the 1500W specification or where design margin improvement is desired. All substitute parts maintain ROHS3 compliance and surface-mount DO-214AB (SMC) package compatibility.

Compliance Considerations: All listed substitute parts are ROHS3 compliant. The SMCJ100CA-TP carries REACH Unaffected status; substitute parts from HY Electronic show Vendor Undefined REACH status, while all other manufacturers declare REACH Unaffected status. For applications subject to REACH compliance requirements, verify final supplier documentation.

Frequently Asked Questions (FAQ)

Q: Can SMCJ100CA-13-F replace SMCJ100CA-TP directly in production?

A: Yes, SMCJ100CA-13-F is a direct electrical equivalent with identical 100V standoff, 111V breakdown, 162V clamping, and 9.3A peak pulse specifications. Both use DO-214AB (SMC) surface-mount packaging. The primary difference is operating temperature range: SMCJ100CA-TP extends to 175°C junction temperature while SMCJ100CA-13-F is rated to 150°C. For applications operating below 150°C, direct substitution is valid.

Q: What is the difference between SMCJ100CA and SMDJ100CA series?

A: Both series maintain identical voltage ratings (100V standoff, 162V clamping) and DO-214AB (SMC) packaging. The SMCJ series (including SMCJ100CA-TP) is rated for 9.3A peak pulse current and 1500W power dissipation. The SMDJ series provides higher current handling at 18.6A peak pulse and 3000W power dissipation. Selection depends on transient energy requirements in the protected circuit.

Q: Is SMLJ100CA compatible with SMCJ100CA-TP?

A: SMLJ100CA is compatible from an electrical and mechanical standpoint. It maintains the same 100V standoff voltage, 162V clamping voltage, and DO-214AB (SMC) package. However, SMLJ100CA provides 18.6A peak pulse current versus 9.3A for SMCJ100CA-TP. Substitution is valid when the higher current capacity does not create circuit design conflicts.

Q: Why does 5.0SMDJ100CA have significantly higher power rating?

A: The 5.0SMDJ100CA is rated for 30.9A peak pulse current and 5000W power dissipation, compared to 9.3A and 1500W for SMCJ100CA-TP. This higher rating reflects the device's enhanced thermal and current-handling capability. It is suitable for high-energy transient protection applications but is not required for circuits designed around the 1500W specification.

Q: Are all substitute parts available in Tape & Reel packaging?

A: Most substitute parts are available in Tape & Reel (TR) packaging suitable for automated assembly. SMLJ100CA is available in Cut Tape (CT) and Digi-Reel packaging. Verify packaging availability with the specific manufacturer or distributor for your procurement requirements.

Q: What is the impact of operating temperature range differences?

A: SMCJ100CA-TP is rated -55°C to 175°C junction temperature, while most substitutes are rated -55°C to 150°C (SMDJ100CA-T7 extends to -65°C minimum). For applications operating above 150°C junction temperature, the original SMCJ100CA-TP specification should be retained. For standard industrial applications (-55°C to 150°C), substitute parts are fully compatible.

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