SMBJ150A-E3/5B Equivalent & Substitute Parts

Part Overview

The SMBJ150A-E3/5B 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 category and is designed for general-purpose transient voltage suppression applications. The part is Active status and ROHS3 compliant, making it suitable for modern electronic assemblies. Substitute parts are identified based on matching electrical characteristics and mechanical compatibility within the DO-214AA (SMB) package family.

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

Substitute parts for the SMBJ150A-E3/5B are qualified based on the following electrical and mechanical parameters:

Voltage - Reverse Standoff (Typ): 150V
Voltage - Breakdown (Min): 167V or 170V (within tolerance)
Voltage - Clamping (Max) @ Ipp: 239V to 243V (within tolerance)
Current - Peak Pulse (10/1000µs): 2.5A to 2.53A (within tolerance)
Power - Peak Pulse: 600W
Package / Case: DO-214AA, SMB
Mounting Type: Surface Mount
RoHS Status: ROHS3 Compliant

Substitutes differ only in packaging format (Tape & Reel vs. Cut Tape), manufacturer, or minor parameter variations within acceptable engineering tolerances. All qualified substitutes maintain functional equivalence for general-purpose TVS applications.

Parameter Comparison

Part Number	Manufacturer	VWM (Typ) [V]	VBR (Min) [V]	VC (Max) [V]	Ipp [A]	Ppk [W]	Temp Range [°C]	Package	Packaging Format
SMBJ150A-E3/5B	Vishay	150	167	243	2.5	600	-55 to 150	DO-214AA, SMB	Tape & Reel (TR)
SMBJ150A-E3/52	Vishay	150	167	243	2.5	600	-55 to 150	DO-214AA, SMB	Cut Tape (CT) & Digi-Reel®
SMBJ150D-M3/I	Vishay	150	170	239	2.53	600	-55 to 150	DO-214AA, SMB	Tape & Reel (TR)
SMBJ150A	MDD	150	167	243	2.5	600	-50 to 150	DO-214AA, SMB	-
SMBJ150A-13-F	Diodes Incorporated	150	167	243	2.5	600	-55 to 150	DO-214AA, SMB	Tape & Reel (TR)
SMBJ150A-TP	Micro Commercial Co	150	167	243	2.5	600	-55 to 175	DO-214AA, SMB	Tape & Reel (TR)

Engineering Selection Recommendations

All listed substitute parts maintain Active product status and ROHS3 compliance. Selection among qualified substitutes depends on specific procurement and assembly requirements:

SMBJ150A-E3/52 (Vishay) is functionally identical to the main part, differing only in packaging format (Cut Tape & Digi-Reel® vs. Tape & Reel). This substitute is suitable for applications where alternative packaging formats are acceptable.

SMBJ150D-M3/I (Vishay) exhibits minor parameter variations: breakdown voltage of 170V (vs. 167V) and clamping voltage of 239V (vs. 243V), with peak pulse current of 2.53A (vs. 2.5A). These variations remain within acceptable engineering tolerances for general-purpose TVS applications.

SMBJ150A (MDD) provides identical electrical performance with a reduced operating temperature minimum of -50°C (vs. -55°C). This substitute is suitable for applications not requiring the extended low-temperature range.

SMBJ150A-13-F (Diodes Incorporated) and SMBJ150A-TP (Micro Commercial Co) are functionally equivalent with identical electrical specifications. SMBJ150A-TP offers an extended upper operating temperature of 175°C (vs. 150°C), providing additional thermal margin for high-temperature environments.

Frequently Asked Questions (FAQ)

Q: Can SMBJ150A-E3/52 be used as a direct replacement for SMBJ150A-E3/5B?

A: Yes. Both parts are manufactured by Vishay with identical electrical specifications. The difference is packaging format: SMBJ150A-E3/52 uses Cut Tape & Digi-Reel® while SMBJ150A-E3/5B uses Tape & Reel. Electrical performance and mechanical compatibility are equivalent.

Q: What is the significance of the parameter variations in SMBJ150D-M3/I?

A: SMBJ150D-M3/I exhibits a breakdown voltage of 170V (vs. 167V minimum) and clamping voltage of 239V (vs. 243V maximum). These variations fall within acceptable tolerances for TVS diodes in the 150V class and do not affect functional equivalence for general-purpose suppression applications.

Q: Is the MDD SMBJ150A suitable for low-temperature applications?

A: The MDD SMBJ150A operates from -50°C to 150°C, compared to -55°C to 150°C for the Vishay part. If your application requires operation below -50°C, use Vishay SMBJ150A-E3/5B, SMBJ150A-E3/52, SMBJ150A-13-F, or SMBJ150A-TP instead.

Q: Which substitute offers the widest operating temperature range?

A: SMBJ150A-TP (Micro Commercial Co) operates from -55°C to 175°C, providing the widest temperature range. This part is suitable for high-temperature environments where the standard -55°C to 150°C range is insufficient.

Q: Are all substitutes available in DO-214AA (SMB) package?

A: Yes. All listed substitutes use the DO-214AA (SMB) surface mount package, ensuring mechanical and footprint compatibility with the original SMBJ150A-E3/5B design.

Q: Do all substitutes meet ROHS3 compliance?

A: Yes. All listed substitute parts are ROHS3 compliant, meeting current environmental and regulatory requirements for electronic components.

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