SMBJ150-E3/52 Equivalent & Substitute Parts

Part Overview

The SMBJ150-E3/52 is a unidirectional Transient Voltage Suppressor (TVS) diode manufactured by Vishay General Semiconductor - Diodes Division. This component is designed for general-purpose transient voltage suppression applications in surface-mount configurations using the DO-214AA (SMB) package. The part is currently listed as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.

Key Parameters

Parameter	Value
Manufacturer Part Number	SMBJ150-E3/52
Manufacturer	Vishay General Semiconductor - Diodes Division
Category	Transient Voltage Suppressors (TVS)
Type	Zener
Unidirectional Channels	1
Voltage - Reverse Standoff (Typ)	150V
Voltage - Breakdown (Min)	167V
Voltage - Clamping (Max) @ Ipp	268V
Current - Peak Pulse (10/1000µs)	2.2A
Power - Peak Pulse	600W
Operating Temperature Range	-55°C ~ 150°C (TJ)
Mounting Type	Surface Mount
Package / Case	DO-214AA, SMB
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution for the SMBJ150-E3/52 is determined by the following critical parameters:

Reverse Standoff Voltage (Typ): 150V
Breakdown Voltage (Min): 167V
Package / Case: DO-214AA, SMB
Mounting Type: Surface Mount
Unidirectional Channels: 1
Type: Zener
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)

Substitute parts are grouped into two categories based on clamping voltage performance:

Group 1 - Identical Clamping Voltage (268V @ Ipp):

SMBJ150E3/TR13 (Microchip Technology)

Group 2 - Alternative Clamping Voltage (243V @ Ipp):

SMBJ150A-E3/52 (Vishay General Semiconductor - Diodes Division)
SMBJ150A (MDD)
SMBJ150A-13-F (Diodes Incorporated)
SMBJ150AE3/TR13 (Microchip Technology)

All substitute parts maintain the same reverse standoff voltage (150V), breakdown voltage (167V), package configuration (DO-214AA/SMB), and compliance certifications as the original part.

Parameter Comparison

Parameter	SMBJ150-E3/52 (Main)	SMBJ150E3/TR13	SMBJ150A-E3/52	SMBJ150A	SMBJ150A-13-F	SMBJ150AE3/TR13
Manufacturer	Vishay	Microchip	Vishay	MDD	Diodes Inc.	Microchip
Product Status	Obsolete	Active	Active	Active	Active	Active
Voltage - Reverse Standoff (Typ)	150V	150V	150V	150V	150V	150V
Voltage - Breakdown (Min)	167V	167V	167V	167V	167V	167V
Voltage - Clamping (Max) @ Ipp	268V	268V	243V	243V	243V	243V
Current - Peak Pulse (10/1000µs)	2.2A	2.2A	2.5A	2.5A	2.5A	2.5A
Power - Peak Pulse	600W	600W	600W	600W	600W	600W
Operating Temperature Range	-55°C ~ 150°C	-65°C ~ 150°C	-55°C ~ 150°C	-50°C ~ 150°C	-55°C ~ 150°C	-65°C ~ 150°C
Package / Case	DO-214AA, SMB	DO-214AA, SMB	DO-214AA, SMB	DO-214AA, SMB	DO-214AA, SMB	DO-214AA, SMB
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

For Direct Replacement (Identical Electrical Performance):

SMBJ150E3/TR13 (Microchip Technology) provides identical clamping voltage (268V) and peak pulse current (2.2A) specifications. This part is active and ROHS3 compliant with MSL 1 rating. The extended operating temperature range (-65°C to 150°C) provides additional thermal margin compared to the original part.

For Alternative Performance Profile:

The SMBJ150A series (SMBJ150A-E3/52, SMBJ150A, SMBJ150A-13-F, SMBJ150AE3/TR13) offers reduced clamping voltage (243V) with increased peak pulse current capability (2.5A). All variants are active products with ROHS3 compliance and MSL 1 rating. Selection among these alternatives depends on packaging requirements (tape & reel vs. bulk) and manufacturer preference. Microchip variants (SMBJ150AE3/TR13) and Diodes Incorporated (SMBJ150A-13-F) offer extended temperature ranges (-65°C and -55°C respectively).

Frequently Asked Questions (FAQ)

Q: Can SMBJ150A series parts replace SMBJ150-E3/52 directly?

A: SMBJ150A series parts are electrically compatible for general-purpose transient suppression applications. The primary difference is reduced clamping voltage (243V vs. 268V) with increased peak pulse current (2.5A vs. 2.2A). Circuit design must accommodate the lower clamping voltage specification.

Q: What is the difference between SMBJ150E3/TR13 and SMBJ150AE3/TR13?

A: Both are Microchip Technology products in tape & reel packaging. SMBJ150E3/TR13 maintains the original 268V clamping voltage and 2.2A peak pulse current. SMBJ150AE3/TR13 provides 243V clamping voltage with 2.5A peak pulse current. Both support the extended -65°C to 150°C operating temperature range.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating, matching the original SMBJ150-E3/52 specifications.

Q: Does packaging affect substitution compatibility?

A: All substitute parts use the same DO-214AA (SMB) surface-mount package. Packaging variants (cut tape, tape & reel, bulk) do not affect electrical compatibility but may influence procurement and assembly processes.

Q: Which substitute offers the best thermal performance?

A: SMBJ150E3/TR13 and SMBJ150AE3/TR13 (both Microchip Technology) support the extended operating temperature range of -65°C to 150°C, providing 10°C additional lower-temperature margin compared to the original part's -55°C minimum.

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