SMBJ10A-13 Equivalent & Substitute Parts

Part Overview

The SMBJ10A-13 is a unidirectional Zener transient voltage suppressor (TVS) diode manufactured by Diodes Incorporated in the DO-214AA (SMB) surface mount package. This component is designed for general-purpose transient voltage suppression applications with a 10V reverse standoff voltage and 17V maximum clamping voltage. The SMBJ10A-13 is currently discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives that maintain electrical and mechanical compatibility.

Key Parameters

Parameter	Value	Unit
Voltage - Reverse Standoff (Typ)	10	V
Voltage - Breakdown (Min)	11.1	V
Voltage - Clamping (Max) @ Ipp	17	V
Current - Peak Pulse (10/1000µs)	35.3	A
Power - Peak Pulse	600	W
Operating Temperature Range	-55 to 150	°C (TJ)
Package / Case	DO-214AA, SMB	—
Mounting Type	Surface Mount	—
Type	Zener	—
Unidirectional Channels	1	—

Substitute Part Grouping Explanation

Substitution of the SMBJ10A-13 is determined by strict equivalence across the following critical parameters:

Voltage - Reverse Standoff (Typ): 10V
Voltage - Breakdown (Min): 11.1V minimum
Voltage - Clamping (Max) @ Ipp: 17V maximum
Current - Peak Pulse (10/1000µs): 35.3A minimum
Power - Peak Pulse: 600W minimum
Package / Case: DO-214AA, SMB
Mounting Type: Surface Mount
Type: Zener
Unidirectional Channels: 1

Substitute parts must maintain these electrical specifications within the defined tolerances and use the identical SMB surface mount package to ensure PCB compatibility without layout modifications.

Parameter Comparison

Part Number	Manufacturer	VR (Typ) [V]	VBR (Min) [V]	VC (Max) @ Ipp [V]	Ipp [A]	PPP [W]	Temp Range [°C]	Product Status	RoHS Status
SMBJ10A-13	Diodes Incorporated	10	11.1	17	35.3	600	-55 to 150	Discontinued	Non-compliant
SMBJ10A-13-F	Diodes Incorporated	10	11.1	17	35.3	600	-55 to 150	Active	ROHS3 Compliant
SMBJ10A	MDD	10	11	17	35.3	600	-50 to 150	Active	ROHS3 Compliant
SMBJ10A-E3/52	Vishay General Semiconductor - Diodes Division	10	11.1	17	35.3	600	-55 to 150	Active	ROHS3 Compliant
SMBJ10A-TP	Micro Commercial Co	10	11.1	17	35.3	600	-55 to 175	Active	ROHS3 Compliant
SACB10	Littelfuse Inc.	10	11.1	16.3	29	500	-55 to 150	Active	ROHS3 Compliant
SMBJ10A-TR	STMicroelectronics	10	11.1	17	37	600	-55 to 150	Active	ROHS3 Compliant

Engineering Selection Recommendations

Primary Substitute (Direct Replacement): SMBJ10A-13-F (Diodes Incorporated)

The SMBJ10A-13-F is the direct equivalent of the SMBJ10A-13, manufactured by the same supplier with identical electrical specifications and operating temperature range. This part is currently in active production status with ROHS3 compliance, making it the preferred choice for new designs and production continuity.

Secondary Substitutes (Functionally Equivalent):

SMBJ10A-E3/52 (Vishay General Semiconductor - Diodes Division) and SMBJ10A-TP (Micro Commercial Co) maintain full electrical equivalence with the original part across all critical parameters. Both are in active production with ROHS3 compliance. SMBJ10A-TP offers an extended operating temperature range to 175°C, providing additional thermal margin in high-temperature applications.

SMBJ10A (MDD) meets all electrical requirements with a minimum breakdown voltage of 11V, which satisfies the 11.1V minimum specification. This part is in active production with ROHS3 compliance and offers high inventory availability.

Limited Substitute (Reduced Performance): SACB10 (Littelfuse Inc.)

The SACB10 maintains the 10V reverse standoff voltage and 17V clamping voltage specification but exhibits reduced peak pulse current (29A versus 35.3A) and reduced peak pulse power (500W versus 600W). This part is suitable only for applications where the lower current and power ratings are acceptable. SACB10 is in active production with ROHS3 compliance.

Frequently Asked Questions (FAQ)

Q: Can SMBJ10A-13-F be used as a direct replacement for SMBJ10A-13?

A: Yes. SMBJ10A-13-F is manufactured by Diodes Incorporated with identical electrical specifications, operating temperature range, and SMB package configuration. The primary difference is product status (active versus discontinued) and RoHS compliance (ROHS3 versus non-compliant).

Q: What is the difference between SMBJ10A-13-F and SMBJ10A-TP?

A: Both parts maintain identical voltage and current specifications. SMBJ10A-TP offers an extended operating temperature range to 175°C compared to 150°C for SMBJ10A-13-F. Selection depends on thermal requirements of the application.

Q: Is SACB10 a suitable replacement?

A: SACB10 is suitable only if the application can tolerate reduced peak pulse current (29A versus 35.3A) and reduced peak pulse power (500W versus 600W). The voltage specifications remain equivalent. Verify application requirements before substitution.

Q: Do all substitute parts use the same SMB package?

A: Yes. All listed substitute parts use the DO-214AA (SMB) surface mount package, ensuring mechanical and PCB layout compatibility without modification.

Q: Are all substitute parts RoHS compliant?

A: All substitute parts listed are ROHS3 compliant. The original SMBJ10A-13 is RoHS non-compliant. Compliance requirements should be verified against design and regulatory specifications.

Q: What is the minimum breakdown voltage requirement for substitution?

A: The minimum breakdown voltage for the SMBJ10A-13 is 11.1V. SMBJ10A (MDD) specifies 11V minimum, which meets this requirement. All other substitutes specify 11.1V minimum.

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