SMBJ58C-E3/52 Equivalent & Substitute Parts

Part Overview

The SMBJ58C-E3/52 is a bidirectional transient voltage suppressor (TVS) diode manufactured by Vishay General Semiconductor - Diodes Division, designed for general-purpose overvoltage protection in surface-mount applications. This component features a 58V reverse standoff voltage, 103V maximum clamping voltage, and 5.8A peak pulse current capability in a DO-214AA (SMB) package. The part is currently listed as obsolete, necessitating identification of active equivalent alternatives that maintain electrical and mechanical compatibility for ongoing production and repair applications.

Key Parameters

Parameter	Value	Unit
Voltage - Reverse Standoff (Typ)	58	V
Voltage - Breakdown (Min)	64.4	V
Voltage - Clamping (Max) @ Ipp	103	V
Current - Peak Pulse (10/1000µs)	5.8	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	—
Bidirectional Channels	1	—

Substitute Part Grouping Explanation

Substitution of the SMBJ58C-E3/52 is determined by strict equivalence in the following electrical and mechanical parameters:

Reverse standoff voltage: 58V (nominal)
Breakdown voltage minimum: 64.4V
Package type: DO-214AA (SMB) surface mount
Bidirectional channel configuration: 1 channel
Zener diode type classification
Peak pulse power rating: 600W
Operating temperature range compatibility

Substitute parts are grouped into two electrical categories based on clamping voltage specification:

Category A (103V Clamping): Parts with maximum clamping voltage of 103V at peak pulse current, electrically identical to the original SMBJ58C-E3/52.

Category B (93.6V Clamping): Parts with maximum clamping voltage of 93.6V at peak pulse current, representing a lower clamping voltage alternative within the same voltage class and package specification.

Parameter Comparison

Part Number	Manufacturer	Voltage - Reverse Standoff (V)	Voltage - Clamping (Max) @ Ipp (V)	Current - Peak Pulse (A)	Operating Temperature (°C)	Product Status	RoHS Status
SMBJ58C-E3/52	Vishay General Semiconductor	58	103	5.8	-55 to 150	Obsolete	ROHS3 Compliant
SMBJ58CA-E3/52	Vishay General Semiconductor	58	93.6	6.4	-55 to 150	Active	ROHS3 Compliant
SMBJ58CE3/TR13	Microchip Technology	58	103	5.8	-65 to 150	Active	ROHS3 Compliant
SMBJ58CA	Good-Ark Semiconductor	58	93.6	6.4	-55 to 150	Active	ROHS3 Compliant
SMBJ58CA-13	Diodes Incorporated	58	93.6	6.4	-55 to 150	Discontinued	RoHS Non-Compliant
SMBJ58CA-13-F	Diodes Incorporated	58	93.6	6.4	-55 to 150	Active	ROHS3 Compliant
SMBJ58CA-TP	Micro Commercial Co	58	93.6	6.4	-55 to 175	Active	ROHS3 Compliant
SMBJ58CA-TR	STMicroelectronics	58	93.6	6.7	-55 to 150	Active	ROHS3 Compliant

Engineering Selection Recommendations

Direct Electrical Equivalent (103V Clamping):

SMBJ58CE3/TR13 (Microchip Technology) provides direct electrical equivalence to SMBJ58C-E3/52 with identical clamping voltage (103V) and peak pulse current (5.8A). This part is active, ROHS3 compliant, and extends the operating temperature range to -65°C, offering enhanced low-temperature performance. Packaging is supplied in Tape & Reel format.

Primary Alternative (93.6V Clamping):

SMBJ58CA-E3/52 (Vishay General Semiconductor) maintains manufacturer continuity from the original part while offering active product status and ROHS3 compliance. The reduced clamping voltage (93.6V versus 103V) and increased peak pulse current (6.4A versus 5.8A) represent a more aggressive suppression characteristic suitable for applications tolerating lower clamping thresholds.

Secondary Alternatives (93.6V Clamping):

SMBJ58CA-13-F (Diodes Incorporated) and SMBJ58CA-TP (Micro Commercial Co) provide active, ROHS3-compliant alternatives with 93.6V clamping voltage. SMBJ58CA-TP extends the operating temperature range to 175°C, beneficial for high-temperature environments. SMBJ58CA-TR (STMicroelectronics) offers marginally higher peak pulse current (6.7A) within the same electrical class.

Parts to Avoid:

SMBJ58CA-13 (Diodes Incorporated) is discontinued at distribution and carries RoHS non-compliance status, making it unsuitable for new designs and restricted procurement environments.

Frequently Asked Questions (FAQ)

Q: Can SMBJ58CA-E3/52 directly replace SMBJ58C-E3/52 in existing designs?

A: SMBJ58CA-E3/52 shares the same manufacturer (Vishay) and package (DO-214AA), but operates with a lower clamping voltage (93.6V versus 103V). This substitution is valid only if the circuit design tolerates the reduced clamping threshold. Verify that the lower clamping voltage does not exceed downstream component voltage ratings.

Q: What is the difference between 103V and 93.6V clamping voltage specifications?

A: Clamping voltage defines the maximum voltage the TVS diode allows across its terminals during a transient event at specified peak pulse current. Lower clamping voltage (93.6V) provides more aggressive suppression but may introduce tighter voltage margins in sensitive circuits. Higher clamping voltage (103V) allows greater voltage swing before suppression activates.

Q: Is SMBJ58CE3/TR13 a suitable replacement for the obsolete SMBJ58C-E3/52?

A: Yes. SMBJ58CE3/TR13 (Microchip Technology) provides electrical equivalence with identical 103V clamping voltage and 5.8A peak pulse current. The part is active, ROHS3 compliant, and extends the operating temperature minimum to -65°C. Packaging format is Tape & Reel.

Q: What packaging formats are available for substitute parts?

A: Substitute parts are supplied in Cut Tape (CT) & Digi-Reel®, Tape & Reel (TR), or bulk formats depending on manufacturer and distributor. All parts maintain the DO-214AA (SMB) surface-mount package specification. Verify packaging availability with your component supplier for production volume requirements.

Q: Are all substitute parts ROHS3 compliant?

A: All recommended active substitute parts carry ROHS3 compliance certification. SMBJ58CA-13 (Diodes Incorporated) is RoHS non-compliant and should not be used in regulated procurement environments.

Q: Does operating temperature range affect substitution compatibility?

A: Operating temperature range defines the thermal envelope for reliable device operation. SMBJ58CA-TP extends to 175°C (versus 150°C standard), suitable for high-temperature applications. SMBJ58CE3/TR13 extends to -65°C minimum, beneficial for low-temperature environments. Verify that your application thermal profile falls within the selected part's specified range.

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