SMBJ150A-M3/52 Equivalent & Substitute Parts

Part Overview

The SMBJ150A-M3/52 is a unidirectional transient voltage suppressor (TVS) diode manufactured by Vishay General Semiconductor - Diodes Division. This surface mount component operates in the 150V reverse standoff voltage class and is designed for general-purpose transient 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, mechanical compatibility, and manufacturing specifications. Alternative sources and packaging configurations are available to support supply chain flexibility and design requirements.

Key Parameters

Parameter	Value	Unit
Voltage - Reverse Standoff (Typ)	150	V
Voltage - Breakdown (Min)	167	V
Voltage - Clamping (Max) @ Ipp	243	V
Current - Peak Pulse (10/1000µs)	2.5	A
Power - Peak Pulse	600	W
Operating Temperature Range	-55 to 150	°C (TJ)
Package / Case	DO-214AA, SMB	-
Mounting Type	Surface Mount	-
RoHS Status	ROHS3 Compliant	-

Substitute Part Grouping Explanation

Substitution eligibility for the SMBJ150A-M3/52 is determined by the following critical parameters:

Voltage - Reverse Standoff (Typ): 150V
Voltage - Clamping (Max) @ Ipp: 243V
Current - Peak Pulse (10/1000µs): 2.5A
Power - Peak Pulse: 600W
Package / Case: DO-214AA, SMB
Mounting Type: Surface Mount
RoHS Status: ROHS3 Compliant

Substitute parts are grouped into two categories:

Category 1: Direct Electrical Equivalents – Parts with identical voltage standoff (150V), clamping voltage (243V), and peak pulse current (2.5A) specifications. These parts are fully interchangeable from an electrical performance standpoint and differ only in manufacturer, packaging configuration, or tape/reel specifications.

Category 2: Voltage-Class Alternatives – Parts with different voltage standoff ratings (130V) that operate within the same product family but with modified electrical characteristics. These are suitable only when the application circuit can accommodate the lower voltage rating.

Parameter Comparison

Part Number	Manufacturer	Voltage - Reverse Standoff (Typ)	Voltage - Clamping (Max) @ Ipp	Current - Peak Pulse (10/1000µs)	Power - Peak Pulse	Package / Case	Operating Temperature	Packaging Type	Inventory Status
SMBJ150A-M3/52	Vishay General Semiconductor - Diodes Division	150V	243V	2.5A	600W	DO-214AA, SMB	-55 to 150°C	Tape & Reel (TR)	933 Pcs
SMBJ150D-M3/H	Vishay General Semiconductor - Diodes Division	150V	239V	2.53A	600W	DO-214AA, SMB	-55 to 150°C	Tape & Reel (TR)	7440 Pcs
SMBJ150A-E3/52	Vishay General Semiconductor - Diodes Division	150V	243V	2.5A	600W	DO-214AA, SMB	-55 to 150°C	Cut Tape (CT) & Digi-Reel®	18854 Pcs
SMBJ150A	MDD	150V	243V	2.5A	600W	DO-214AA, SMB	-50 to 150°C	-	71200 Pcs
SMBJ150A-13-F	Diodes Incorporated	150V	243V	2.5A	600W	DO-214AA, SMB	-55 to 150°C	Tape & Reel (TR)	3782 Pcs
SMBJ150A-TP	Micro Commercial Co	150V	243V	2.5A	600W	DO-214AA, SMB	-55 to 175°C	Tape & Reel (TR)	3769 Pcs
SMBJ130A	MDD	130V	209V	2.9A	600W	DO-214AA, SMB	-50 to 150°C	-	55100 Pcs

Engineering Selection Recommendations

Direct Equivalents (Fully Interchangeable):

SMBJ150A-E3/52, SMBJ150A-13-F, SMBJ150A-TP, and MDD SMBJ150A are direct electrical equivalents to the SMBJ150A-M3/52. All maintain identical voltage standoff (150V), clamping voltage (243V), and peak pulse current (2.5A) specifications. Selection among these parts is based on packaging availability, inventory levels, and supply chain requirements. All are RoHS3 compliant and suitable for immediate substitution.

Vishay Variant (SMBJ150D-M3/H):

The SMBJ150D-M3/H is a Vishay variant with marginally lower clamping voltage (239V vs. 243V) and slightly higher peak pulse current (2.53A vs. 2.5A). This part maintains the same voltage standoff class and is electrically compatible for applications where the 4V clamping voltage difference is acceptable. High inventory availability (7440 pcs) supports supply continuity.

Voltage-Class Alternative (SMBJ130A):

The SMBJ130A operates at a lower voltage standoff class (130V vs. 150V) with correspondingly reduced clamping voltage (209V) and increased peak pulse current (2.9A). This part is suitable only for circuit designs that operate at lower voltage levels and can accommodate the modified electrical characteristics. Use is restricted to applications where the 150V standoff voltage is not a functional requirement.

Temperature Consideration:

SMBJ150A-TP offers extended operating temperature range (-55 to 175°C) compared to the standard -55 to 150°C specification. This variant is applicable for high-temperature environments where thermal performance is a design constraint.

Frequently Asked Questions (FAQ)

Q: Can SMBJ150A-E3/52 replace SMBJ150A-M3/52 directly?

A: Yes. Both parts share identical electrical specifications (150V standoff, 243V clamping, 2.5A peak pulse current) and DO-214AA/SMB packaging. The difference is packaging configuration (Cut Tape & Digi-Reel® vs. Tape & Reel). Direct substitution is valid for PCB assembly processes compatible with either packaging format.

Q: What is the difference between SMBJ150D-M3/H and SMBJ150A-M3/52?

A: Both maintain 150V reverse standoff voltage and DO-214AA/SMB packaging. SMBJ150D-M3/H has slightly lower maximum clamping voltage (239V vs. 243V) and marginally higher peak pulse current (2.53A vs. 2.5A). The 4V difference in clamping voltage is within typical application tolerances for general-purpose transient protection.

Q: Is SMBJ130A compatible with SMBJ150A-M3/52?

A: SMBJ130A is not a direct equivalent. It operates at a lower voltage standoff class (130V vs. 150V) with reduced clamping voltage (209V vs. 243V). Substitution is valid only if the circuit design accommodates lower voltage ratings and the application does not require 150V standoff protection.

Q: What packaging options are available?

A: Substitute parts are available in Tape & Reel (TR), Cut Tape (CT) & Digi-Reel®, and unspecified packaging configurations. All maintain DO-214AA/SMB case format for surface mount assembly. Packaging selection depends on production equipment compatibility and supply chain logistics.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts maintain RoHS3 compliance and MSL 1 (unlimited) moisture sensitivity rating, consistent with the original SMBJ150A-M3/52 specification.

Q: Which substitute offers the best inventory availability?

A: MDD SMBJ150A provides the highest inventory level (71200 pcs) among direct electrical equivalents. SMBJ150A-E3/52 (Vishay, 18854 pcs) offers strong availability with identical electrical specifications and the same manufacturer as the original part.

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