SMCJ160A-M3/9AT Equivalent & Substitute Parts

Part Overview

The SMCJ160A-M3/9AT is a unidirectional transient voltage suppressor (TVS) diode manufactured by Vishay General Semiconductor - Diodes Division. This surface mount component operates with a 160V reverse standoff voltage and 259V maximum clamping voltage, designed for general-purpose transient protection applications. The part is active and ROHS3 compliant with unlimited moisture sensitivity rating (MSL 1). Substitute parts are identified based on matching electrical characteristics and mechanical compatibility within the DO-214AB (SMC) package family.

Key Parameters

Parameter	Value	Unit
Voltage - Reverse Standoff (Typ)	160	V
Voltage - Breakdown (Min)	178	V
Voltage - Clamping (Max) @ Ipp	259	V
Current - Peak Pulse (10/1000µs)	5.8	A
Power - Peak Pulse	1500	W
Operating Temperature Range	-55 to 150	°C
Package / Case	DO-214AB, SMC	-
Mounting Type	Surface Mount	-
Type	Zener	-
Unidirectional Channels	1	-

Substitute Part Grouping Explanation

Substitute parts for the SMCJ160A-M3/9AT are qualified based on the following electrical and mechanical parameters:

Critical Matching Parameters:

Voltage - Reverse Standoff (Typ): 160V
Voltage - Breakdown (Min): 178V
Voltage - Clamping (Max) @ Ipp: 259V
Package / Case: DO-214AB, SMC
Mounting Type: Surface Mount
Unidirectional Channels: 1
Operating Temperature Range: -55°C to 150°C

Allowable Variation Parameters:

Current - Peak Pulse (10/1000µs): Substitutes may exceed the 5.8A specification, as higher current ratings provide equivalent or enhanced protection capability
Power - Peak Pulse: Substitutes may exceed the 1500W specification, as higher power ratings are functionally compatible
Packaging format (Tape & Reel vs. Bulk): Both formats are mechanically and electrically equivalent

All identified substitutes maintain identical voltage characteristics and package compatibility, ensuring direct functional replacement in circuit applications.

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)	Package	Mounting Type	Product Status
SMCJ160A-M3/9AT	Vishay General Semiconductor - Diodes Division	160	178	259	5.8	1500	DO-214AB, SMC	Surface Mount	Active
SMCJ160A-E3/57T	Vishay General Semiconductor - Diodes Division	160	178	259	5.8	1500	DO-214AB, SMC	Surface Mount	Active
SMCJ160A	Fairchild Semiconductor	160	178	259	5.8	1500	DO-214AB, SMC	Surface Mount	Active
SMCJ160A-13-F	Diodes Incorporated	160	178	259	5.8	1500	DO-214AB, SMC	Surface Mount	Active
5.0SMDJ160A	MDE Semiconductor Inc	160	178	259	19.3	5000	DO-214AB, SMC	Surface Mount	Active
SMDJ160A	Alpha & Omega Semiconductor Inc.	160	178	259	11.6	3000	DO-214AB, SMC	Surface Mount	Active

Engineering Selection Recommendations

All identified substitute parts maintain active product status and are ROHS3 compliant. Selection among equivalent parts should be based on:

Direct Equivalents (Identical Electrical Ratings): SMCJ160A-E3/57T, SMCJ160A (Fairchild), and SMCJ160A-13-F provide identical electrical performance to the SMCJ160A-M3/9AT with matching 5.8A peak pulse current and 1500W peak pulse power ratings. These parts are suitable for one-to-one replacement without circuit modification.

Enhanced Performance Alternatives: 5.0SMDJ160A and SMDJ160A offer higher current and power handling capabilities (19.3A/5000W and 11.6A/3000W respectively) while maintaining identical voltage protection characteristics. These parts provide superior transient suppression margin and are compatible with the same circuit topology.

Packaging Considerations: Tape & Reel (TR) packaging is suitable for automated assembly processes. Bulk packaging is appropriate for manual assembly or lower-volume applications. Both formats are electrically and mechanically equivalent.

Frequently Asked Questions (FAQ)

Q: Can SMCJ160A-E3/57T directly replace SMCJ160A-M3/9AT? A: Yes. Both parts share identical voltage ratings (160V standoff, 259V clamping), current specifications (5.8A peak pulse), and DO-214AB SMC package. The difference is packaging format (Tape & Reel vs. Tape & Reel) and supplier designation, which do not affect electrical performance.

Q: What is the difference between SMCJ160A-M3/9AT and 5.0SMDJ160A? A: Both maintain identical voltage protection characteristics (160V standoff, 259V clamping). The 5.0SMDJ160A provides enhanced current handling (19.3A vs. 5.8A) and power dissipation (5000W vs. 1500W). This makes 5.0SMDJ160A suitable for applications requiring higher transient energy absorption while maintaining the same voltage threshold.

Q: Are all substitute parts in the same package? A: Yes. All identified substitutes use the DO-214AB (SMC) surface mount package, ensuring mechanical compatibility with existing PCB layouts and assembly equipment.

Q: Can I use SMDJ160A as a substitute for SMCJ160A-M3/9AT? A: Yes. SMDJ160A maintains identical voltage ratings and package compatibility. It provides intermediate current handling (11.6A) and power dissipation (3000W) between the original specification and the 5.0SMDJ160A option.

Q: What does "Unidirectional Channels: 1" mean for substitution? A: This indicates single-direction transient suppression. All identified substitutes are unidirectional devices, confirming functional equivalence for applications requiring one-way voltage clamping.

Q: Are there any compliance differences between substitute parts? A: All identified substitutes are ROHS3 compliant with MSL 1 (unlimited moisture sensitivity). Compliance certifications are equivalent across the substitute group.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message