SMBJ9.0A-13 Transient Voltage Suppressor (TVS) Diode Equivalent & Substitute Parts

Part Overview

The SMBJ9.0A-13 is a unidirectional Zener-type transient voltage suppressor diode manufactured by Diodes Incorporated in the DO-214AA (SMB) surface mount package. This component is designed for general-purpose transient voltage protection applications with a 9V reverse standoff voltage and 15.4V maximum clamping voltage at peak pulse current. The main part is currently discontinued at DiGi Electronics, making equivalent substitutes necessary for ongoing production and maintenance applications.

Key Parameters

Parameter	Value
Manufacturer Part Number	SMBJ9.0A-13
Manufacturer	Diodes Incorporated
Category	Transient Voltage Suppressors (TVS)
Type	Zener
Unidirectional Channels	1
Voltage - Reverse Standoff (Typ)	9V
Voltage - Breakdown (Min)	10V
Voltage - Clamping (Max) @ Ipp	15.4V
Current - Peak Pulse (10/1000µs)	39A
Power - Peak Pulse	600W
Operating Temperature	-55°C ~ 150°C (TJ)
Package / Case	DO-214AA, SMB
Mounting Type	Surface Mount
Product Status	Discontinued at DiGi Electronics

Substitute Part Grouping Explanation

Substitution eligibility for the SMBJ9.0A-13 is determined by the following critical parameters:

Voltage - Reverse Standoff (Typ): 9V
Voltage - Clamping (Max) @ Ipp: 15.4V
Current - Peak Pulse (10/1000µs): 39A minimum
Power - Peak Pulse: 600W
Package / Case: DO-214AA (SMB)
Mounting Type: Surface Mount
Operating Temperature Range: -55°C ~ 150°C (TJ)
Unidirectional Channels: 1

Substitute parts must maintain identical or equivalent electrical performance within these parameters. Packaging format (bulk vs. tape & reel) does not affect electrical compatibility. Manufacturer differences are acceptable provided all electrical and thermal specifications are met.

Parameter Comparison

Parameter	SMBJ9.0A-13 (Main)	SMBJ9.0A-13-F	PTVS9V0P1UP,115	SMBJ9.0A (TSC)	SMBJ9V0A (TSC)
Manufacturer	Diodes Inc.	Diodes Inc.	NXP Semiconductors	Taiwan Semiconductor	Taiwan Semiconductor
Voltage - Reverse Standoff (Typ)	9V	9V	9V	9V	9V
Voltage - Breakdown (Min)	10V	10V	—	10V	10V
Voltage - Clamping (Max) @ Ipp	15.4V	15.4V	—	15.4V	15.4V
Current - Peak Pulse (10/1000µs)	39A	39A	—	40A	39A
Power - Peak Pulse	600W	600W	—	600W	600W
Operating Temperature	-55°C ~ 150°C	-55°C ~ 150°C	—	-55°C ~ 150°C	-55°C ~ 150°C
Package / Case	DO-214AA, SMB	DO-214AA, SMB	—	DO-214AA, SMB	DO-214AA, SMB
Product Status	Discontinued	Active	Active	Active	Active
RoHS Status	Non-compliant	ROHS3 Compliant	—	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

SMBJ9.0A-13-F (Diodes Incorporated) is the primary direct substitute. This part is electrically identical to the main part with matching voltage and current specifications. It is currently in active production status and ROHS3 compliant, making it suitable for new designs and ongoing production requiring regulatory compliance.

SMBJ9V0A (Taiwan Semiconductor Corporation) provides equivalent electrical performance with 39A peak pulse current matching the original specification. This part is available in tape & reel packaging, active production status, and ROHS3 compliant. It is suitable for high-volume manufacturing environments.

SMBJ9.0A (Taiwan Semiconductor Corporation) offers compatible electrical performance with 40A peak pulse current, exceeding the original 39A specification. This provides additional margin for transient protection. The part is active and ROHS3 compliant.

PTVS9V0P1UP,115 (NXP Semiconductors) is an alternative from a different manufacturer. Limited detailed specifications are provided in the reference data; verification of complete electrical parameters against application requirements is necessary before selection.

For new designs and production requiring regulatory compliance, select SMBJ9.0A-13-F or SMBJ9V0A. For applications where RoHS compliance is not required, the original Diodes Incorporated part may be sourced from inventory if available.

Frequently Asked Questions (FAQ)

Q: Can SMBJ9.0A-13-F be used as a direct replacement for SMBJ9.0A-13?

A: Yes. Both parts are manufactured by Diodes Incorporated with identical electrical specifications: 9V reverse standoff, 15.4V clamping voltage, and 39A peak pulse current. The primary difference is packaging format (tape & reel vs. bulk) and product status (active vs. discontinued). Electrical performance is equivalent.

Q: What is the difference between SMBJ9.0A and SMBJ9V0A?

A: Both are manufactured by Taiwan Semiconductor Corporation with identical voltage ratings (9V standoff, 15.4V clamping). SMBJ9.0A specifies 40A peak pulse current, while SMBJ9V0A specifies 39A. Both meet or exceed the original 39A requirement. SMBJ9V0A is available in tape & reel packaging.

Q: Are all substitute parts RoHS compliant?

A: SMBJ9.0A-13-F, SMBJ9.0A, and SMBJ9V0A are ROHS3 compliant. The original SMBJ9.0A-13 is RoHS non-compliant. PTVS9V0P1UP,115 compliance status is not specified in the reference data.

Q: Does packaging format (bulk vs. tape & reel) affect electrical performance?

A: No. Packaging format affects handling, storage, and manufacturing processes but does not alter electrical characteristics. Selection between bulk and tape & reel depends on production volume and assembly requirements.

Q: Can PTVS9V0P1UP,115 be used as a substitute?

A: PTVS9V0P1UP,115 maintains the 9V reverse standoff voltage specification. Complete electrical parameter data (clamping voltage, peak pulse current, power rating) is not provided in the reference material. Verification against full datasheet specifications is required before selection.

Q: What is the inventory status of substitute parts?

A: SMBJ9.0A-13-F: 12,200 pcs. SMBJ9.0A (TSC): 3,100 pcs. SMBJ9V0A (TSC): 6,986 pcs. PTVS9V0P1UP,115: 2,200 pcs. Original SMBJ9.0A-13: 30,100 pcs (discontinued status).

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