SMCJ11CA-M3/9AT Equivalent & Substitute Parts

Part Overview

The SMCJ11CA-M3/9AT is a bidirectional transient voltage suppressor (TVS) diode manufactured by Vishay General Semiconductor - Diodes Division. This surface mount component operates in the 11V reverse standoff voltage class and provides 1500W peak pulse power dissipation in a DO-214AB (SMC) package. The device is classified as Active product status and is suitable for general-purpose transient protection applications. Equivalent and substitute parts are identified based on matching electrical specifications and mechanical compatibility to ensure direct circuit board replacement capability.

Key Parameters

Parameter	Value
Voltage - Reverse Standoff (Typ)	11V
Voltage - Breakdown (Min)	12.2V
Voltage - Clamping (Max) @ Ipp	18.2V
Current - Peak Pulse (10/1000µs)	82.4A
Power - Peak Pulse	1500W
Package / Case	DO-214AB, SMC
Mounting Type	Surface Mount
Operating Temperature Range	-55°C to 150°C (TJ)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the SMCJ11CA-M3/9AT are qualified based on the following electrical and mechanical parameters:

Critical Matching Parameters:

Voltage - Reverse Standoff (Typ): 11V
Voltage - Breakdown (Min): 12.2V
Voltage - Clamping (Max) @ Ipp: 18.2V
Package / Case: DO-214AB, SMC
Mounting Type: Surface Mount
Bidirectional Channels: 1
Type: Zener

Acceptable Variation Parameters:

Current - Peak Pulse (10/1000µs): 82.4A or higher
Power - Peak Pulse: 1500W or higher
Operating Temperature Range: -55°C to 150°C or wider
RoHS Status: ROHS3 Compliant

Parts are grouped into two categories: Direct Equivalents (identical electrical and power specifications) and Manufacturer Alternatives (same voltage class and package with equal or superior power ratings).

Parameter Comparison

Part Number	Manufacturer	Voltage - Reverse Standoff	Voltage - Clamping (Max)	Current - Peak Pulse	Power - Peak Pulse	Package	Operating Temp Range	RoHS Status
SMCJ11CA-M3/9AT	Vishay General Semiconductor	11V	18.2V	82.4A	1500W	DO-214AB, SMC	-55°C to 150°C	ROHS3 Compliant
SMCJ11CA-E3/57T	Vishay General Semiconductor	11V	18.2V	82.4A	1500W	DO-214AB, SMC	-55°C to 150°C	ROHS3 Compliant
1SMC11CA TR13 PBFREE	Central Semiconductor Corp	11V	18.2V	82.4A	1500W	DO-214AB, SMC	-65°C to 150°C	ROHS3 Compliant
SMCJ11CA-13-F	Diodes Incorporated	11V	18.2V	82.4A	1500W	DO-214AB, SMC	-55°C to 150°C	ROHS3 Compliant
SMCJ11CA	Good-Ark Semiconductor	11V	18.2V	82.4A	1500W	DO-214AB, SMC	-55°C to 150°C	ROHS3 Compliant
SMDJ11CA	Alpha & Omega Semiconductor Inc.	11V	18.2V	164.9A	3000W	DO-214AB, SMC	-55°C to 150°C	ROHS3 Compliant

Engineering Selection Recommendations

All listed substitute parts maintain Active product status and ROHS3 compliance, ensuring regulatory and supply chain continuity. Selection among equivalents depends on availability and sourcing requirements:

Direct Equivalents (Identical Specifications): SMCJ11CA-E3/57T, 1SMC11CA TR13 PBFREE, SMCJ11CA-13-F, and SMCJ11CA from Good-Ark Semiconductor provide identical electrical performance and are interchangeable at the circuit board level.

Enhanced Alternative: SMDJ11CA from Alpha & Omega Semiconductor Inc. provides double the peak pulse current (164.9A) and power dissipation (3000W) while maintaining the same voltage class and package footprint. This part is suitable for applications requiring higher transient energy absorption without circuit redesign.

Temperature Consideration: 1SMC11CA TR13 PBFREE extends the lower operating temperature limit to -65°C, providing enhanced performance in extreme cold environments compared to the standard -55°C specification.

Frequently Asked Questions (FAQ)

Q: Can SMDJ11CA be used as a direct replacement for SMCJ11CA-M3/9AT?

A: Yes. SMDJ11CA maintains identical voltage specifications (11V reverse standoff, 18.2V clamping) and package (DO-214AB, SMC). The higher current rating (164.9A vs. 82.4A) and power dissipation (3000W vs. 1500W) represent superior performance characteristics that do not compromise circuit compatibility. No circuit modifications are required.

Q: Are all substitute parts available in the same tape and reel packaging?

A: Yes. All listed substitute parts are supplied in Tape & Reel (TR) packaging, maintaining compatibility with automated assembly processes.

Q: What is the difference between SMCJ11CA-M3/9AT and SMCJ11CA-E3/57T?

A: Both parts are manufactured by Vishay and share identical electrical specifications. The designations reflect different tape reel configurations and manufacturing batches. They are functionally equivalent for circuit applications.

Q: Does the operating temperature range affect substitution compatibility?

A: Operating temperature range does not prevent substitution. 1SMC11CA TR13 PBFREE with -65°C to 150°C range is compatible with applications designed for the standard -55°C to 150°C range. Extended temperature capability provides additional design margin without requiring circuit changes.

Q: Are all substitute parts RoHS compliant?

A: Yes. All listed substitute parts carry ROHS3 Compliant certification, meeting regulatory requirements for lead-free and restricted substance compliance.

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