SMBJ10CA-13 Transient Voltage Suppressor (TVS) Diode – Equivalent & Substitute Parts

Part Overview

The SMBJ10CA-13 is a surface-mount transient voltage suppressor diode manufactured by Diodes Incorporated, classified as a Zener-type TVS diode in the DO-214AA (SMB) package. This component is designed for general-purpose transient voltage suppression applications with a 10V reverse standoff voltage and 17V maximum clamping voltage. The part is currently discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives from active manufacturers to maintain design continuity and supply chain reliability.

Key Parameters

Parameter	Value	Unit
Manufacturer Part Number	SMBJ10CA-13	—
Manufacturer	Diodes Incorporated	—
Category	Transient Voltage Suppressors (TVS)	—
Type	Zener	—
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	—
Product Status	Discontinued at DiGi Electronics	—

Substitute Part Grouping Explanation

Substitution of the SMBJ10CA-13 is determined by strict equivalence across the following electrical and mechanical parameters:

Voltage – Reverse Standoff (Typ): 10V
Voltage – Breakdown (Min): 11.1V (or 11V minimum)
Voltage – Clamping (Max) @ Ipp: 17V
Current – Peak Pulse (10/1000µs): 35.3A (or ≥35.3A)
Power – Peak Pulse: 600W
Package / Case: DO-214AA, SMB
Mounting Type: Surface Mount
Bidirectional Channels: 1

All substitute parts listed maintain these core electrical specifications and the same physical package footprint, ensuring direct functional replacement without circuit redesign. Variations in operating temperature range, RoHS compliance status, and manufacturer do not affect electrical substitutability but may influence procurement and regulatory requirements.

Parameter Comparison

Part Number	Manufacturer	VR (Typ) [V]	VBR (Min) [V]	VC (Max) @ Ipp [V]	Ipp (10/1000µs) [A]	PPP [W]	Package	Product Status	RoHS Status
SMBJ10CA-13	Diodes Incorporated	10	11.1	17	35.3	600	DO-214AA, SMB	Discontinued	Non-compliant
SMBJ10CA-13-F	Diodes Incorporated	10	11.1	17	35.3	600	DO-214AA, SMB	Active	ROHS3 Compliant
SMBJ10CA-E3/52	Vishay General Semiconductor – Diodes Division	10	11.1	17	35.3	600	DO-214AA, SMB	Active	ROHS3 Compliant
SMBJ10CA-E3/5B	Vishay General Semiconductor – Diodes Division	10	11.1	17	35.3	600	DO-214AA, SMB	Active	ROHS3 Compliant
SMBJ10CA	MDD	10	11	17	35.3	600	DO-214AA, SMB	Active	ROHS3 Compliant
SMBJ10CA-TP	Micro Commercial Co	10	11.1	17	35.3	600	DO-214AA, SMB	Active	ROHS3 Compliant
SMBJ10CA-TR	STMicroelectronics	10	11.1	17	37	600	DO-214AA, SMB	Active	ROHS3 Compliant
SZ1SMB10CAT3G	Littelfuse Inc.	10	11.1	17	35.3	600	DO-214AA, SMB	Active	ROHS3 Compliant

Engineering Selection Recommendations

Primary Recommendation: SMBJ10CA-13-F (Diodes Incorporated)

The SMBJ10CA-13-F is the direct active equivalent from the original manufacturer, Diodes Incorporated. It maintains identical electrical specifications and package configuration while achieving ROHS3 compliance. This part is currently in active production status with 3200 units in stock, providing supply continuity and design validation from the original source.

Secondary Recommendations:

SMBJ10CA-E3/52 and SMBJ10CA-E3/5B (Vishay General Semiconductor – Diodes Division) are functionally equivalent alternatives with active product status and ROHS3 compliance. Both parts maintain the specified electrical parameters and DO-214AA package footprint. Vishay's TransZorb® series designation indicates established automotive and industrial qualification.

SMBJ10CA-TP (Micro Commercial Co) and SMBJ10CA-TR (STMicroelectronics) are additional active alternatives meeting all core electrical and mechanical requirements. The SMBJ10CA-TR variant specifies 37A peak pulse current, which exceeds the minimum 35.3A requirement and provides additional margin.

SZ1SMB10CAT3G (Littelfuse Inc.) is qualified to AEC-Q101 automotive standard with extended operating temperature range (-65°C to 150°C), suitable for applications requiring automotive-grade components.

SMBJ10CA (MDD) is available in high volume (443,100 units) with active status and ROHS3 compliance, though the manufacturer is less commonly referenced in standard component databases.

All recommended substitutes are ROHS3 compliant, addressing regulatory requirements that the original SMBJ10CA-13 does not meet.

Frequently Asked Questions (FAQ)

Q: Can SMBJ10CA-13-F be used as a direct replacement for SMBJ10CA-13?

A: Yes. The SMBJ10CA-13-F is electrically and mechanically identical to the SMBJ10CA-13, with the same voltage ratings (10V standoff, 17V clamp), peak pulse current (35.3A), and DO-214AA SMB package. The primary difference is active production status and ROHS3 compliance.

Q: What is the difference between the various Diodes Incorporated part numbers (SMBJ10CA-13, SMBJ10CA-13-F, SMBJ10CA)?

A: These represent different packaging and compliance variants of the same base product (SMBJ10). The "-13" suffix indicates a specific packaging configuration, "-13-F" is the active ROHS3-compliant variant, and SMBJ10CA is the base part number. All maintain identical electrical specifications.

Q: Are Vishay SMBJ10CA-E3/52 and SMBJ10CA-E3/5B interchangeable?

A: Yes. Both Vishay parts are electrically identical with the same voltage and current ratings. The suffix difference (-E3/52 vs. -E3/5B) reflects packaging tape configuration and supplier designation but does not affect electrical performance or PCB footprint.

Q: Does the STMicroelectronics SMBJ10CA-TR with 37A peak pulse current provide better protection than the original 35.3A specification?

A: The SMBJ10CA-TR meets the minimum 35.3A requirement with 37A capability, providing additional transient current handling margin. This does not change the voltage clamping characteristics (17V maximum) and remains functionally equivalent for circuit protection.

Q: Can I use SZ1SMB10CAT3G in non-automotive applications?

A: Yes. The SZ1SMB10CAT3G meets all electrical and mechanical requirements for general-purpose TVS applications. The AEC-Q101 automotive qualification indicates higher reliability standards and extended temperature range (-65°C to 150°C), making it suitable for any application requiring these specifications.

Q: What is the impact of operating temperature range differences between substitutes?

A: The original SMBJ10CA-13 operates from -55°C to 150°C. Alternatives such as SMBJ10CA-TP (-55°C to 175°C) and SZ1SMB10CAT3G (-65°C to 150°C) offer extended or lower temperature capability. For applications within the -55°C to 150°C window, all substitutes are equivalent. Extended ranges provide additional margin for extreme environment applications.

Q: Are all substitute parts available in the same packaging format (Tape & Reel, Cut Tape, or Bulk)?

A: Packaging formats vary by supplier and part number. SMBJ10CA-13-F, SMBJ10CA-E3/52, SMBJ10CA-E3/5B, SMBJ10CA-TP, SMBJ10CA-TR, and SZ1SMB10CAT3G are available in Tape & Reel format. MDD SMBJ10CA does not specify packaging format in the provided data. Confirm packaging availability with your supplier for production requirements.

Q: Does ROHS3 compliance affect circuit performance compared to non-compliant parts?

A: No. ROHS3 compliance indicates manufacturing process restrictions (elimination of lead and certain hazardous substances) and does not alter electrical performance, voltage ratings, or current handling. All ROHS3-compliant substitutes maintain identical functional characteristics to the original part.

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