SMBJ13C-E3/52 Equivalent & Substitute Parts

Part Overview

The SMBJ13C-E3/52 is a bidirectional Zener transient voltage suppressor (TVS) diode manufactured by Vishay General Semiconductor - Diodes Division, housed in a DO-214AA (SMB) surface mount package. This component is designed for general-purpose transient voltage suppression applications with a 13V reverse standoff voltage and 23.8V maximum clamping voltage at peak pulse current.

The SMBJ13C-E3/52 is classified as obsolete. Equivalent and substitute parts listed below provide active alternatives with comparable electrical characteristics and identical mechanical compatibility, enabling direct replacement in existing designs.

Key Parameters

Parameter	Value
Voltage - Reverse Standoff (Typ)	13V
Voltage - Breakdown (Min)	14.4V
Voltage - Clamping (Max) @ Ipp	23.8V
Current - Peak Pulse (10/1000µs)	25.2A
Power - Peak Pulse	600W
Mounting Type	Surface Mount
Package / Case	DO-214AA, SMB
Operating Temperature Range	-55°C ~ 150°C (TJ)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the SMBJ13C-E3/52 are grouped based on the following critical parameters that determine functional equivalence:

Primary Substitution Criteria:

Voltage - Reverse Standoff (Typ): 13V
Voltage - Breakdown (Min): 14.4V
Package / Case: DO-214AA, SMB
Mounting Type: Surface Mount
Bidirectional Channels: 1
Type: Zener
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)

Secondary Electrical Tolerance:

Voltage - Clamping (Max) @ Ipp: 21.5V to 23.8V
Current - Peak Pulse (10/1000µs): 23.1A to 29A
Power - Peak Pulse: 600W (constant)

Parts meeting these criteria maintain electrical compatibility within the design envelope while offering active product status and improved availability compared to the obsolete original part.

Parameter Comparison

Part Number	Manufacturer	Voltage - Reverse Standoff (Typ)	Voltage - Breakdown (Min)	Voltage - Clamping (Max) @ Ipp	Current - Peak Pulse (10/1000µs)	Power - Peak Pulse	Operating Temperature	Product Status
SMBJ13C-E3/52	Vishay General Semiconductor - Diodes Division	13V	14.4V	23.8V	25.2A	600W	-55°C ~ 150°C	Obsolete
SMBJ13CA-E3/52	Vishay General Semiconductor - Diodes Division	13V	14.4V	21.5V	27.9A	600W	-55°C ~ 150°C	Active
SMBJ13CE3/TR13	Microchip Technology	13V	14.4V	23.8V	25.2A	600W	-65°C ~ 150°C	Active
SMBJ13CA	MDD	13V	14.4V	21.5V	28A	600W	-50°C ~ 150°C	Active
SMBJ13CA-13-F	Diodes Incorporated	13V	14.4V	21.5V	27.9A	600W	-55°C ~ 150°C	Active
SMBJ13CA-TR	STMicroelectronics	13V	14.4V	21.5V	29A	600W	-55°C ~ 150°C	Active
SMBJ15CA	EVVO Semi	15V	16.7V	24.4V	24.6A	600W	-65°C ~ 150°C	Active
SMBJ16CA	EVVO Semi	16V	17.8V	26V	23.1A	600W	-65°C ~ 150°C	Active

Engineering Selection Recommendations

Direct Equivalents (Recommended Primary Substitutes):

SMBJ13CE3/TR13 (Microchip Technology) provides the closest electrical match to the original SMBJ13C-E3/52, with identical clamping voltage (23.8V) and peak pulse current (25.2A). This part is active and ROHS3 compliant with extended operating temperature range (-65°C ~ 150°C). Mechanical compatibility is confirmed through identical DO-214AA (SMB) packaging.

SMBJ13CA-E3/52 (Vishay General Semiconductor - Diodes Division) maintains manufacturer continuity from the original part. As an active product from the same manufacturer, it offers reduced clamping voltage (21.5V) and increased peak pulse current (27.9A) within acceptable design margins. ROHS3 compliance and identical operating temperature range (-55°C ~ 150°C) are confirmed.

Secondary Substitutes (Acceptable with Design Verification):

SMBJ13CA-TR (STMicroelectronics), SMBJ13CA-13-F (Diodes Incorporated), and SMBJ13CA (MDD) all maintain the 13V reverse standoff voltage and 14.4V minimum breakdown voltage. These parts feature 21.5V clamping voltage and peak pulse currents ranging from 27.9A to 29A. All are ROHS3 compliant and housed in DO-214AA (SMB) packages. Operating temperature ranges vary between -50°C and -55°C minimum, suitable for most general-purpose applications.

Higher Voltage Alternatives (Application-Dependent):

SMBJ15CA and SMBJ16CA are provided as reference alternatives with elevated reverse standoff voltages (15V and 16V respectively). These parts are suitable only for applications where higher voltage suppression is required and are not direct functional equivalents to the 13V specification.

Frequently Asked Questions (FAQ)

Q: Can SMBJ13CA-E3/52 directly replace SMBJ13C-E3/52 in my circuit?

A: Yes. Both parts share identical reverse standoff voltage (13V), breakdown voltage (14.4V), and DO-214AA (SMB) package. The SMBJ13CA-E3/52 exhibits lower clamping voltage (21.5V vs. 23.8V) and higher peak pulse current (27.9A vs. 25.2A), which are within acceptable substitution parameters for general-purpose transient suppression. The SMBJ13CA-E3/52 is active and ROHS3 compliant.

Q: What is the difference between SMBJ13CE3/TR13 and SMBJ13CA-E3/52?

A: SMBJ13CE3/TR13 (Microchip Technology) matches the original clamping voltage specification (23.8V) and peak pulse current (25.2A) exactly. SMBJ13CA-E3/52 (Vishay) reduces clamping voltage to 21.5V while increasing peak pulse current to 27.9A. Both maintain 13V reverse standoff voltage and DO-214AA packaging. Selection depends on whether exact clamping voltage matching is required for your application.

Q: Are SMBJ15CA and SMBJ16CA suitable replacements?

A: SMBJ15CA and SMBJ16CA are not direct equivalents. These parts feature higher reverse standoff voltages (15V and 16V respectively) and are intended for applications requiring elevated voltage suppression. Use these only if your circuit design specifically requires higher voltage ratings.

Q: What packaging options are available for substitute parts?

A: All substitute parts listed are housed in DO-214AA (SMB) surface mount packages, maintaining mechanical compatibility with the original SMBJ13C-E3/52. Packaging variants include Tape & Reel (TR) and Cut Tape (CT) & Digi-Reel® options, which are standard handling formats and do not affect electrical performance or PCB mounting.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed meet ROHS3 compliance requirements. Moisture Sensitivity Level (MSL) is rated as 1 (Unlimited) across all alternatives, matching the original part specification.

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

A: Operating temperature ranges vary among substitutes. The original SMBJ13C-E3/52 operates from -55°C to 150°C (TJ). Substitute parts range from -50°C to -65°C minimum, with all maintaining 150°C maximum. Verify that your application's temperature requirements fall within the selected substitute's operating range.

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