SMBJ130A-13 Equivalent & Substitute Parts

Part Overview

The SMBJ130A-13 is a unidirectional Zener transient voltage suppressor (TVS) diode manufactured by Diodes Incorporated in the SMB (DO-214AA) surface mount package. This component is designed for general-purpose transient voltage suppression applications with a reverse standoff voltage of 130V and peak pulse power rating of 600W. The part is currently discontinued at DiGi Electronics, necessitating identification of equivalent alternatives that maintain electrical and mechanical compatibility for ongoing production and repair applications.

Key Parameters

Parameter	Value	Unit
Voltage - Reverse Standoff (Typ)	130	V
Voltage - Breakdown (Min)	144	V
Voltage - Clamping (Max) @ Ipp	209	V
Current - Peak Pulse (10/1000µs)	2.9	A
Power - Peak Pulse	600	W
Operating Temperature Range	-55 to 150	°C (TJ)
Package / Case	DO-214AA, SMB	—
Mounting Type	Surface Mount	—
Unidirectional Channels	1	—

Substitute Part Grouping Explanation

Substitution eligibility for the SMBJ130A-13 is determined by strict equivalence across the following critical parameters:

Voltage - Reverse Standoff (Typ): 130V
Voltage - Breakdown (Min): 144V
Voltage - Clamping (Max) @ Ipp: 209V
Current - Peak Pulse (10/1000µs): 2.9A minimum
Power - Peak Pulse: 600W
Package / Case: DO-214AA, SMB
Mounting Type: Surface Mount
Unidirectional Channels: 1

Substitute parts are grouped into two categories:

Category A - Direct Electrical & Mechanical Equivalents: Parts that match all critical electrical parameters and package specifications. These include SMBJ130A-13-F (Diodes Incorporated, Tape & Reel packaging) and SMBJ130A (MDD, standard packaging).

Category B - Manufacturer Recommended Alternatives: Parts recommended by original manufacturers that maintain functional compatibility within the same application class but may exhibit minor parameter variations. These include SMBJ130A-TR (STMicroelectronics) and P6SMB130A (Eaton - Electronics Division).

Parameter Comparison

Parameter	SMBJ130A-13 (Diodes Inc.)	SMBJ130A-13-F (Diodes Inc.)	SMBJ130A (MDD)	SMBJ130A-TR (STMicroelectronics)	P6SMB130A (Eaton)
Voltage - Reverse Standoff (Typ)	130V	130V	130V	130V	111V
Voltage - Breakdown (Min)	144V	144V	144V	144V	124V
Voltage - Clamping (Max) @ Ipp	209V	209V	209V	209V	179V
Current - Peak Pulse (10/1000µs)	2.9A	2.9A	2.9A	3.0A	3.4A
Power - Peak Pulse	600W	600W	600W	600W	600W
Operating Temperature Range	-55 to 150°C	-55 to 150°C	-50 to 150°C	-55 to 150°C	-55 to 150°C
Package / Case	DO-214AA, SMB	DO-214AA, SMB	DO-214AA, SMB	DO-214AA, SMB	DO-214AA, SMB
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
RoHS Status	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	RoHS Compliant
Product Status	Discontinued	Active	Active	Active	Active

Engineering Selection Recommendations

Primary Substitutes (Full Electrical Equivalence)

SMBJ130A-13-F (Diodes Incorporated) and SMBJ130A (MDD) are direct substitutes that maintain identical electrical specifications to the SMBJ130A-13. Both are currently in active production status with high inventory availability. SMBJ130A-13-F is supplied in Tape & Reel packaging and carries ROHS3 compliance certification. SMBJ130A from MDD is available in standard packaging and also meets ROHS3 compliance requirements. Both parts are suitable for direct replacement in existing designs without circuit modification.

Secondary Substitute (Functional Equivalence with Minor Parameter Variation)

SMBJ130A-TR (STMicroelectronics) maintains the same voltage ratings and package specification as the original part. Peak pulse current is rated at 3.0A, which exceeds the original 2.9A specification. This part is ROHS3 compliant and actively produced. It is suitable for applications where the slightly higher current rating does not create design constraints.

Alternative Substitute (Different Voltage Class)

P6SMB130A (Eaton - Electronics Division) is listed as a manufacturer-recommended alternative but operates in a different voltage class (111V reverse standoff vs. 130V). This part is suitable only for applications where the lower voltage rating is acceptable and where the higher peak pulse current (3.4A) does not introduce design conflicts. This part is not recommended as a direct replacement without circuit re-evaluation.

Frequently Asked Questions (FAQ)

Q: Can SMBJ130A-13-F be used as a direct replacement for SMBJ130A-13?

A: Yes. SMBJ130A-13-F is electrically and mechanically identical to SMBJ130A-13. The primary difference is packaging format (Tape & Reel vs. bulk) and RoHS compliance status (ROHS3 vs. non-compliant). Both parts share identical electrical specifications and the same DO-214AA SMB package footprint.

Q: What is the difference between SMBJ130A from different manufacturers?

A: The SMBJ130A designation from MDD maintains the same electrical specifications as the Diodes Incorporated SMBJ130A-13. Manufacturer differences do not affect electrical performance or package compatibility. Both are surface mount SMB devices with identical voltage and current ratings.

Q: Is SMBJ130A-TR from STMicroelectronics a suitable replacement?

A: SMBJ130A-TR is functionally compatible with the original part. It maintains identical voltage ratings (130V reverse standoff, 209V clamping) and package specification (DO-214AA SMB). The peak pulse current rating is 3.0A compared to the original 2.9A, which represents a performance enhancement rather than a limitation. This part is suitable for direct replacement.

Q: Why is P6SMB130A listed as a substitute if the voltage ratings differ?

A: P6SMB130A is listed as a manufacturer-recommended alternative by the original design authority. However, it operates at a lower voltage class (111V reverse standoff vs. 130V). This part is not a direct electrical equivalent and should only be used if circuit requirements permit operation at the lower voltage rating. Direct substitution without circuit re-evaluation is not recommended.

Q: What packaging options are available for equivalent parts?

A: All substitute parts are supplied in the DO-214AA SMB surface mount package. Packaging format options include standard bulk packaging and Tape & Reel (TR) format for automated assembly. The physical footprint and mounting requirements are identical across all listed substitutes.

Q: Are all substitute parts RoHS compliant?

A: SMBJ130A-13-F, SMBJ130A (MDD), SMBJ130A-TR, and P6SMB130A all carry RoHS compliance certifications. The original SMBJ130A-13 is RoHS non-compliant. If RoHS compliance is a design requirement, SMBJ130A-13-F or SMBJ130A from MDD are the recommended choices.

Q: What is the operating temperature range for substitute parts?

A: SMBJ130A-13-F, SMBJ130A-TR, and P6SMB130A all operate across -55°C to 150°C (TJ). SMBJ130A from MDD operates across -50°C to 150°C (TJ), which represents a 5°C reduction in the lower temperature limit. For applications requiring operation below -50°C, SMBJ130A-13-F or SMBJ130A-TR are recommended.

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