SMCJ16A-TP Equivalent & Substitute Parts

Part Overview

The SMCJ16A-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 16V reverse standoff voltage with a 26V maximum clamping voltage and 57.7A peak pulse current capability. The part is active in production status and fully RoHS3 compliant. Substitute parts are identified when equivalent electrical performance and mechanical compatibility are required due to inventory constraints, manufacturing discontinuation, or design flexibility needs.

Key Parameters

Parameter	Value	Unit
Voltage - Reverse Standoff (Typ)	16	V
Voltage - Breakdown (Min)	17.8	V
Voltage - Clamping (Max) @ Ipp	26	V
Current - Peak Pulse (10/1000µs)	57.7	A
Power - Peak Pulse	1500	W
Package / Case	DO-214AB, SMC	—
Operating Temperature Range	-55 to 175	°C
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the SMCJ16A-TP are classified into two categories based on electrical and mechanical compatibility:

Direct Substitutes maintain identical electrical specifications (16V standoff, 17.8V breakdown minimum, 26V clamping maximum, 57.7A peak pulse current) and use the same DO-214AB (SMC) package footprint. These parts are interchangeable at the circuit level with no design modifications required.

Similar Substitutes maintain the same voltage ratings and clamping characteristics but differ in peak pulse current capability or power dissipation rating. These parts are suitable when the application can accommodate higher current handling or power ratings without adverse effects.

The critical parameters determining substitutability are:

Voltage - Reverse Standoff: 16V
Voltage - Clamping (Max) @ Ipp: 26V
Package / Case: DO-214AB, SMC (for direct substitutes)
Unidirectional configuration with single channel

Parameter Comparison

Manufacturer Part Number	Manufacturer	Standoff Voltage (V)	Breakdown Min (V)	Clamping Max (V)	Peak Pulse Current (A)	Power Rating (W)	Package	Operating Temp (°C)	RoHS Status
SMCJ16A-TP	Micro Commercial Co	16	17.8	26	57.7	1500	DO-214AB, SMC	-55 to 175	ROHS3
SMCJ16A	EVVO Semi	16	17.8	26	57.7	600	DO-214AC, SMA	-65 to 150	ROHS3
SMCJ16A-13-F	Diodes Incorporated	16	17.8	26	57.7	1500	DO-214AB, SMC	-55 to 150	ROHS3
SMCJ16A-E3/57T	Vishay General Semiconductor - Diodes Division	16	17.8	26	57.7	1500	DO-214AB, SMC	-55 to 150	ROHS3
SMCJ16A-E3/9AT	Vishay General Semiconductor - Diodes Division	16	17.8	26	57.7	1500	DO-214AB, SMC	-55 to 150	ROHS3
5.0SMDJ16A	Taiwan Semiconductor Corporation	16	17.8	26	193	5000	DO-214AB, SMC	-55 to 175	ROHS3
SMLJ16A	Bourns Inc.	16	17.8	26	115.4	3000	DO-214AB, SMC	-55 to 150	ROHS3
SZ1SMC16AT3G	Littelfuse Inc.	16	17.8	26	57.7	1500	DO-214AB, SMC	-65 to 150	ROHS3

Engineering Selection Recommendations

Direct Substitutes (Identical Electrical and Package Specifications):

SMCJ16A-13-F (Diodes Incorporated), SMCJ16A-E3/57T (Vishay), SMCJ16A-E3/9AT (Vishay), and SZ1SMC16AT3G (Littelfuse) are direct functional equivalents with matching 16V standoff, 26V clamping, 57.7A peak pulse current, and DO-214AB SMC package. All are RoHS3 compliant and active in production. The SZ1SMC16AT3G carries AEC-Q101 automotive qualification, suitable for applications requiring automotive-grade reliability.

Compatible Substitutes (Same Voltage, Higher Current/Power):

5.0SMDJ16A (Taiwan Semiconductor Corporation) and SMLJ16A (Bourns Inc.) maintain identical voltage specifications but provide higher peak pulse current (193A and 115.4A respectively) and power ratings (5000W and 3000W). These are suitable for applications where the original 57.7A/1500W specification provides design margin, allowing use of higher-rated components without circuit modification.

Package Consideration:

SMCJ16A (EVVO Semi) uses DO-214AC (SMA) package instead of DO-214AB (SMC). This represents a different footprint and requires PCB layout modification. Selection of this part is appropriate only when package compatibility is not a constraint.

All substitute parts maintain RoHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, ensuring compatibility with standard manufacturing and storage practices.

Frequently Asked Questions (FAQ)

Q: Can SMCJ16A-13-F replace SMCJ16A-TP directly on the PCB?

A: Yes. Both parts use the DO-214AB (SMC) package footprint, have identical voltage ratings (16V standoff, 26V clamping), and match the 57.7A peak pulse current specification. No PCB layout changes are required.

Q: What is the difference between SMCJ16A-E3/57T and SMCJ16A-E3/9AT?

A: Both are Vishay TransZorb® series parts with identical electrical specifications. The suffix indicates packaging format: /57T denotes Cut Tape & Digi-Reel®, while /9AT denotes Tape & Reel (TR). Electrical performance is equivalent; packaging format selection depends on assembly process requirements.

Q: Can I use 5.0SMDJ16A instead of SMCJ16A-TP?

A: Yes, from an electrical standpoint. The 5.0SMDJ16A maintains the same 16V standoff and 26V clamping voltages but provides 193A peak pulse current and 5000W power rating compared to the original 57.7A/1500W. This higher rating is compatible with the SMCJ16A-TP application provided the circuit design does not depend on the lower current specification. The DO-214AB (SMC) package footprint is identical.

Q: Why does SMCJ16A (EVVO Semi) show a different package than the original part?

A: EVVO Semi's SMCJ16A uses DO-214AC (SMA) package instead of DO-214AB (SMC). While electrical specifications are identical, the physical footprint differs. This part requires PCB redesign and is suitable only when package change is acceptable.

Q: Is SZ1SMC16AT3G suitable for automotive applications?

A: Yes. SZ1SMC16AT3G carries AEC-Q101 automotive qualification and is rated for -65°C to 150°C operating temperature. It maintains identical electrical specifications to SMCJ16A-TP and uses the same DO-214AB (SMC) package, making it suitable for automotive-grade circuit protection applications.

Q: What does the operating temperature range difference mean for part selection?

A: SMCJ16A-TP operates from -55°C to 175°C, while most substitute parts operate to -55°C or -65°C minimum and 150°C maximum. For applications operating above 150°C, SMCJ16A-TP or 5.0SMDJ16A are required. For standard industrial applications within -55°C to 150°C, all substitutes are suitable.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts carry RoHS3 compliance status, ensuring compatibility with RoHS3 regulated supply chains and end-use applications.

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