SMBJ36A-M3/5B Equivalent & Substitute Parts

Part Overview

The SMBJ36A-M3/5B is a unidirectional Transient Voltage Suppressor (TVS) diode manufactured by Vishay General Semiconductor - Diodes Division. This surface mount component operates in the 36V reverse standoff category and is designed for general-purpose transient voltage protection applications. The part is Active status and ROHS3 compliant. Equivalent and substitute parts are identified based on matching electrical performance parameters and compatible packaging configurations to support procurement flexibility and supply chain continuity.

Key Parameters

Parameter	Value
Manufacturer Part Number	SMBJ36A-M3/5B
Manufacturer	Vishay General Semiconductor - Diodes Division
Category	Transient Voltage Suppressors (TVS)
Type	Zener
Unidirectional Channels	1
Voltage - Reverse Standoff (Typ)	36V
Voltage - Breakdown (Min)	40V
Voltage - Clamping (Max) @ Ipp	58.1V
Current - Peak Pulse (10/1000µs)	10.3A
Power - Peak Pulse	600W
Operating Temperature Range	-55°C ~ 150°C (TJ)
Mounting Type	Surface Mount
Package / Case	DO-214AA, SMB
Packaging Format	Tape & Reel (TR)
Product Status	Active
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the SMBJ36A-M3/5B are qualified based on the following electrical and mechanical parameters:

Critical Matching Parameters:

Voltage - Reverse Standoff (Typ): 36V
Voltage - Clamping (Max) @ Ipp: 58.1V ± tolerance
Current - Peak Pulse (10/1000µs): 10.3A ± tolerance
Power - Peak Pulse: 600W
Type: Zener, Unidirectional
Mounting Type: Surface Mount
Package / Case: DO-214AA or DO-214AC (SMB/SMA compatible footprints)
Product Status: Active
RoHS Status: ROHS3 Compliant

Acceptable Variations:

Packaging format (Tape & Reel, Cut Tape, Digi-Reel)
Manufacturer identity (Vishay, Diodes Incorporated, Littelfuse, Micro Commercial Co, EVVO Semi)
Operating temperature range (minimum -55°C, maximum 150°C or higher)
Capacitance specifications (when provided)

Substitutes are grouped by electrical equivalence within the SMBJ36 base product family. Parts meeting all critical parameters are considered direct equivalents regardless of packaging format or manufacturer.

Parameter Comparison

Part Number	Manufacturer	Voltage - Reverse Standoff	Voltage - Clamping (Max) @ Ipp	Current - Peak Pulse	Power - Peak Pulse	Package / Case	Packaging Format	Operating Temperature	Product Status
SMBJ36A-M3/5B	Vishay	36V	58.1V	10.3A	600W	DO-214AA, SMB	Tape & Reel (TR)	-55°C ~ 150°C	Active
SMBJ36A-E3/52	Vishay	36V	58.1V	10.3A	600W	DO-214AA, SMB	Cut Tape (CT) & Digi-Reel	-55°C ~ 150°C	Active
SMBJ36D-M3/I	Vishay	36V	57.3V	10.5A	600W	DO-214AA, SMB	Tape & Reel (TR)	-55°C ~ 150°C	Active
SMBJ36A-E3/5B	Vishay	36V	58.1V	10.3A	600W	DO-214AA, SMB	Tape & Reel (TR)	-55°C ~ 150°C	Active
SMBJ36A	EVVO Semi	36V	58.1V	10.4A	600W	DO-214AC, SMA	Cut Tape (CT) & Digi-Reel	-65°C ~ 150°C	Active
SMBJ36A-13-F	Diodes Incorporated	36V	58.1V	10.3A	600W	DO-214AA, SMB	Cut Tape (CT) & Digi-Reel	-55°C ~ 150°C	Active
SMBJ36A-TP	Micro Commercial Co	36V	58.1V	10.3A	600W	DO-214AA, SMB	Tape & Reel (TR)	-55°C ~ 175°C	Active
SZ1SMB36AT3G	Littelfuse Inc.	36V	58.1V	10.3A	600W	DO-214AA, SMB	Tape & Reel (TR)	-65°C ~ 150°C	Active

Engineering Selection Recommendations

All substitute parts listed are Active status products with ROHS3 compliance, meeting the regulatory and supply continuity requirements of the SMBJ36A-M3/5B.

Vishay Direct Equivalents: SMBJ36A-E3/52 and SMBJ36A-E3/5B are electrically and mechanically identical to the main part, differing only in packaging format (Cut Tape vs. Tape & Reel). These are preferred for direct substitution when packaging format is not a constraint.

Vishay SMBJ36D-M3/I: This variant exhibits a clamping voltage of 57.3V and peak pulse current of 10.5A, representing a minor deviation within the SMBJ36 family. Selection depends on application tolerance for these parameter variations.

Multi-Manufacturer Equivalents: SMBJ36A-13-F (Diodes Incorporated), SMBJ36A-TP (Micro Commercial Co), and SZ1SMB36AT3G (Littelfuse) provide electrical equivalence with identical 36V standoff, 58.1V clamping, and 10.3A peak pulse specifications. These parts support supply diversification across qualified manufacturers.

EVVO Semi SMBJ36A: This part uses DO-214AC (SMA) packaging instead of DO-214AA (SMB), requiring PCB footprint verification before selection. The extended operating temperature range (-65°C to 150°C) provides additional thermal margin.

Temperature Considerations: SMBJ36A-TP extends the upper operating temperature to 175°C, and both EVVO Semi and Littelfuse variants support -65°C minimum temperature, offering flexibility for extreme environment applications.

Frequently Asked Questions (FAQ)

Q: Can SMBJ36A-E3/52 replace SMBJ36A-M3/5B directly? A: Yes. Both parts are manufactured by Vishay with identical electrical specifications (36V standoff, 58.1V clamping, 10.3A peak pulse). The difference is packaging format: SMBJ36A-E3/52 uses Cut Tape & Digi-Reel while SMBJ36A-M3/5B uses Tape & Reel. Electrical performance and PCB footprint compatibility are identical.

Q: What is the difference between SMBJ36D-M3/I and SMBJ36A-M3/5B? A: Both are Vishay products with 36V reverse standoff and 600W peak pulse power. SMBJ36D-M3/I has a clamping voltage of 57.3V and peak pulse current of 10.5A, compared to 58.1V and 10.3A for SMBJ36A-M3/5B. The D-variant represents a minor electrical variation within the SMBJ36 family. Selection depends on application-specific clamping voltage and current requirements.

Q: Are DO-214AA (SMB) and DO-214AC (SMA) packages interchangeable? A: No. While both are surface mount packages for TVS diodes, DO-214AA (SMB) and DO-214AC (SMA) have different physical dimensions and PCB footprints. EVVO Semi SMBJ36A uses DO-214AC (SMA) packaging and requires PCB footprint compatibility verification before substitution.

Q: Can I use SZ1SMB36AT3G as a substitute? A: Yes. Littelfuse SZ1SMB36AT3G meets all critical electrical parameters (36V standoff, 58.1V clamping, 10.3A peak pulse, 600W power) and uses compatible DO-214AA (SMB) packaging. The part is AEC-Q101 qualified and supports extended temperature range (-65°C to 150°C).

Q: What does RoHS3 compliance mean for substitution? A: All listed substitute parts are ROHS3 compliant, indicating compliance with the Restriction of Hazardous Substances Directive. This ensures regulatory equivalence and supports procurement in regulated markets without additional compliance verification.

Q: Which substitute offers the widest operating temperature range? A: SMBJ36A-TP (Micro Commercial Co) supports -55°C to 175°C, providing the highest upper temperature limit. EVVO Semi and Littelfuse variants support -65°C minimum temperature, extending the lower range.

Q: Are all substitutes available in the same packaging formats? A: No. Packaging formats vary: Tape & Reel (TR), Cut Tape (CT), and Digi-Reel are available across different manufacturers and part numbers. Verify packaging format requirements before selection to ensure compatibility with assembly processes.

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