SMB8J26CA-M3/52 Equivalent & Substitute Parts

Part Overview

The SMB8J26CA-M3/52 is a bidirectional transient voltage suppressor (TVS) diode manufactured by Vishay General Semiconductor - Diodes Division. This surface mount component operates in the DO-214AA (SMB) package and is designed for general-purpose transient voltage protection applications. The part is active in production status with full RoHS3 compliance and unlimited moisture sensitivity rating (MSL 1). Equivalent and substitute parts are identified based on matching electrical performance parameters and package compatibility to support design flexibility and supply chain continuity.

Key Parameters

Parameter	Value
Voltage - Reverse Standoff (Typ)	26V
Voltage - Breakdown (Min)	28.9V
Voltage - Clamping (Max) @ Ipp	42.1V
Current - Peak Pulse (10/1000µs)	19A
Power - Peak Pulse	800W
Package / Case	DO-214AA, SMB
Mounting Type	Surface Mount
Operating Temperature Range	-55°C ~ 150°C (TJ)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the SMB8J26CA-M3/52 are qualified based on the following electrical and mechanical parameters:

Critical Matching Parameters:

Voltage - Reverse Standoff (Typ): 26V
Voltage - Breakdown (Min): 28.9V
Voltage - Clamping (Max) @ Ipp: 42.1V
Package / Case: DO-214AA, SMB
Mounting Type: Surface Mount
Bidirectional Channels: 1
Type: Zener

Allowable Variation Parameters:

Current - Peak Pulse (10/1000µs): 14.2A to 19A (all substitutes maintain minimum 14.2A)
Power - Peak Pulse: 600W to 800W (all substitutes maintain minimum 600W)
Operating Temperature Range: -65°C to -55°C minimum; 150°C to 175°C maximum
Packaging Format: Tape & Reel (TR) or Cut Tape (CT) & Digi-Reel®

All substitute parts maintain identical voltage specifications and package form factor, ensuring direct functional compatibility in circuit applications.

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 (TJ)	Package / Case	RoHS Status
SMB8J26CA-M3/52	Vishay General Semiconductor - Diodes Division	26V	28.9V	42.1V	19A	800W	-55°C ~ 150°C	DO-214AA, SMB	ROHS3 Compliant
SMBJ26CA	EVVO Semi	26V	28.9V	42.1V	14.3A	600W	-65°C ~ 150°C	DO-214AA, SMB	ROHS3 Compliant
SMBJ26CA-13-F	Diodes Incorporated	26V	28.9V	42.1V	14.2A	600W	-55°C ~ 150°C	DO-214AA, SMB	ROHS3 Compliant
SMBJ26CA-TP	Micro Commercial Co	26V	28.9V	42.1V	14.2A	600W	-55°C ~ 175°C	DO-214AA, SMB	ROHS3 Compliant
SMBJ26CA-TR	STMicroelectronics	26V	28.9V	42.1V	14.9A	600W	-55°C ~ 150°C	DO-214AA, SMB	ROHS3 Compliant

Engineering Selection Recommendations

All listed substitute parts maintain full compliance with RoHS3 regulations and carry unlimited moisture sensitivity rating (MSL 1), ensuring compatibility with standard manufacturing and storage conditions. Selection among substitute parts should be based on:

Electrical Performance: All substitutes meet or exceed the minimum voltage specifications (26V reverse standoff, 28.9V breakdown, 42.1V clamping). Peak pulse current ratings range from 14.2A to 19A, with power dissipation from 600W to 800W. Applications requiring the full 19A peak pulse current and 800W power rating should specify the SMB8J26CA-M3/52 or equivalent high-current variants.

Temperature Operating Range: The SMBJ26CA-TP variant extends the maximum operating temperature to 175°C, suitable for high-temperature environments. The SMBJ26CA variant supports extended minimum temperature operation to -65°C for low-temperature applications.

Packaging and Availability: All parts are supplied in DO-214AA (SMB) surface mount package. Packaging formats include Tape & Reel (TR) and Cut Tape (CT) & Digi-Reel® options. Inventory availability varies by manufacturer and distributor.

Product Status: All parts maintain active production status with established supply chains.

Frequently Asked Questions (FAQ)

Q: Can SMBJ26CA-13-F be used as a direct replacement for SMB8J26CA-M3/52?

A: Yes. Both parts share identical voltage specifications (26V reverse standoff, 28.9V breakdown, 42.1V clamping) and the same DO-214AA (SMB) package. The SMBJ26CA-13-F has a peak pulse current rating of 14.2A compared to 19A for the original part. This substitution is valid for applications where the circuit design does not require the full 19A peak pulse current capability.

Q: What is the difference between Tape & Reel (TR) and Cut Tape (CT) & Digi-Reel® packaging?

A: Tape & Reel (TR) packaging supplies components on continuous carrier tape wound on reels, suitable for high-volume automated assembly. Cut Tape (CT) & Digi-Reel® provides the same components in smaller quantities on cut tape segments, typically for lower-volume production or prototyping. Both formats contain identical components in the same DO-214AA (SMB) package.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts carry RoHS3 compliance certification and MSL 1 (unlimited) moisture sensitivity rating, meeting current environmental and manufacturing standards.

Q: Which substitute part supports the highest operating temperature?

A: The SMBJ26CA-TP variant supports operation up to 175°C junction temperature, compared to 150°C for other listed parts. This extended temperature range is suitable for applications in high-temperature environments.

Q: Can I use SMBJ26CA for low-temperature applications below -55°C?

A: Yes. The SMBJ26CA variant from EVVO Semi supports operation down to -65°C junction temperature, extending the minimum operating range by 10°C compared to other listed substitutes.

Q: Do all substitute parts use the same DO-214AA (SMB) package?

A: Yes. All substitute parts are packaged in DO-214AA (SMB) surface mount format, ensuring mechanical and electrical compatibility with PCB layouts designed for the SMB8J26CA-M3/52.

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