SMBJ22CA-M3/52 Equivalent & Substitute Parts

Part Overview

The SMBJ22CA-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 provides 22V reverse standoff protection with a 35.5V maximum clamping voltage. The part is classified as Active status and is suitable for general-purpose transient voltage suppression applications. Equivalent and substitute parts are identified based on matching electrical specifications and package compatibility to ensure functional interchangeability in circuit designs.

Key Parameters

Parameter	Value
Voltage - Reverse Standoff (Typ)	22V
Voltage - Breakdown (Min)	24.4V
Voltage - Clamping (Max) @ Ipp	35.5V
Current - Peak Pulse (10/1000µs)	16.9A
Power - Peak Pulse	600W
Package / Case	DO-214AA, SMB
Mounting Type	Surface Mount
Bidirectional Channels	1
Type	Zener
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the SMBJ22CA-M3/52 are qualified based on the following critical parameters:

Voltage - Reverse Standoff (Typ): 22V
Voltage - Breakdown (Min): 24.4V
Voltage - Clamping (Max) @ Ipp: 35.5V
Current - Peak Pulse (10/1000µs): 16.9A minimum
Power - Peak Pulse: 600W
Package / Case: DO-214AA, SMB
Mounting Type: Surface Mount
Bidirectional Channels: 1
Type: Zener

All identified substitute parts maintain these core electrical and mechanical specifications, ensuring direct functional replacement in circuit applications. Packaging variations (Tape & Reel, Cut Tape, Digi-Reel) do not affect electrical performance and represent different distribution formats of the same component.

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	Package / Case	Operating Temperature	RoHS Status
SMBJ22CA-M3/52	Vishay General Semiconductor - Diodes Division	22V	24.4V	35.5V	16.9A	600W	DO-214AA, SMB	-55°C ~ 150°C	ROHS3 Compliant
SMBJ22CA-E3/5B	Vishay General Semiconductor - Diodes Division	22V	24.4V	35.5V	16.9A	600W	DO-214AA, SMB	-55°C ~ 150°C	ROHS3 Compliant
1SMB22CA TR13 PBFREE	Central Semiconductor Corp	22V	24.4V	35.5V	16.9A	600W	DO-214AA, SMB	-65°C ~ 150°C	ROHS3 Compliant
SMBJ22CA	MDD	22V	24.4V	35.5V	16.9A	600W	DO-214AA, SMB	-50°C ~ 150°C	ROHS3 Compliant
SMBJ22CA-13-F	Diodes Incorporated	22V	24.4V	35.5V	16.9A	600W	DO-214AA, SMB	-55°C ~ 150°C	ROHS3 Compliant
SMBJ22CA-TP	Micro Commercial Co	22V	24.4V	35.5V	16.9A	600W	DO-214AA, SMB	-55°C ~ 175°C	ROHS3 Compliant
SMBJ22CA-TR	STMicroelectronics	22V	24.4V	35.5V	17.7A	600W	DO-214AA, SMB	-55°C ~ 150°C	ROHS3 Compliant

Engineering Selection Recommendations

All substitute parts listed maintain Active product status and ROHS3 compliance, meeting regulatory requirements for current applications. Selection among equivalent parts should be based on:

Manufacturer Availability: SMBJ22CA-E3/5B (Vishay) and SMBJ22CA-TR (STMicroelectronics) are manufacturer-recommended alternatives with established supply chains and 4170 and 15100 units in stock respectively.

Temperature Range Considerations: SMBJ22CA-TP (Micro Commercial Co) extends the upper operating temperature to 175°C, suitable for high-temperature environments. The 1SMB22CA TR13 PBFREE (Central Semiconductor Corp) extends the lower operating temperature to -65°C for cold-temperature applications.

Peak Pulse Current: SMBJ22CA-TR (STMicroelectronics) provides 17.7A peak pulse current, exceeding the 16.9A specification of the main part, offering additional margin for transient suppression.

Packaging Format: All parts are available in DO-214AA (SMB) surface mount package. Packaging variants (Tape & Reel, Cut Tape, Digi-Reel) represent distribution methods and do not affect electrical performance.

Frequently Asked Questions (FAQ)

Q: Can SMBJ22CA-TR be used as a direct replacement for SMBJ22CA-M3/52?

A: Yes. SMBJ22CA-TR meets all critical electrical specifications: 22V reverse standoff, 24.4V minimum breakdown, 35.5V maximum clamping voltage, and 600W peak pulse power. The higher peak pulse current (17.7A vs 16.9A) provides additional transient suppression capability. Both use DO-214AA (SMB) surface mount packaging.

Q: What is the difference between SMBJ22CA-E3/5B and SMBJ22CA-M3/52?

A: Both parts are manufactured by Vishay and share identical electrical specifications. The difference is packaging format: SMBJ22CA-E3/5B is supplied in Cut Tape (CT) & Digi-Reel format, while SMBJ22CA-M3/52 is supplied in Tape & Reel (TR). Electrical performance is equivalent.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts carry ROHS3 Compliant status and Moisture Sensitivity Level 1 (Unlimited), meeting current environmental and reliability standards.

Q: Which substitute part has the widest operating temperature range?

A: SMBJ22CA-TP (Micro Commercial Co) operates from -55°C to 175°C, providing the highest upper temperature limit. The 1SMB22CA TR13 PBFREE (Central Semiconductor Corp) operates from -65°C to 150°C, providing the lowest temperature limit.

Q: Can I use a substitute part with higher peak pulse current?

A: Yes. SMBJ22CA-TR provides 17.7A peak pulse current compared to the 16.9A specification of SMBJ22CA-M3/52. Higher peak pulse current capability maintains all other electrical parameters and enhances transient suppression performance without affecting circuit compatibility.

Q: Do packaging format differences affect circuit performance?

A: No. Tape & Reel (TR), Cut Tape (CT), and Digi-Reel packaging formats are distribution methods only. All parts in DO-214AA (SMB) package have identical electrical characteristics and circuit performance.

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