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SMBJ58-E3/52 Equivalent & Substitute Parts
Part Overview
The SMBJ58-E3/52 is a unidirectional Transient Voltage Suppressor (TVS) diode manufactured by Vishay General Semiconductor - Diodes Division. This component is designed for general-purpose transient voltage suppression applications in surface-mount configurations using the DO-214AA (SMB) package. The part is currently listed as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | SMBJ58-E3/52 |
| Manufacturer | Vishay General Semiconductor - Diodes Division |
| Category | Transient Voltage Suppressors (TVS) |
| Type | Zener |
| Unidirectional Channels | 1 |
| Voltage - Reverse Standoff (Typ) | 58V |
| Voltage - Breakdown (Min) | 64.4V |
| Voltage - Clamping (Max) @ Ipp | 103V |
| Current - Peak Pulse (10/1000µs) | 5.8A |
| Power - Peak Pulse | 600W |
| Operating Temperature Range | -55°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | DO-214AA, SMB |
| Product Status | Obsolete |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution of the SMBJ58-E3/52 is determined by the following critical electrical and mechanical parameters:
- Reverse Standoff Voltage (Typ): 58V
- Package / Case: DO-214AA (SMB) surface mount
- Unidirectional Configuration: Single channel
- Voltage - Clamping (Max) @ Ipp: 103V
- Current - Peak Pulse (10/1000µs): 5.8A
- Power - Peak Pulse: 600W
- RoHS Compliance: ROHS3 Compliant
- Moisture Sensitivity Level: 1 (Unlimited)
Substitute parts are grouped into two categories based on electrical performance:
Group 1 - Exact Electrical Match (103V Clamping): Parts maintaining the 103V clamping voltage specification with 5.8A peak pulse current. These provide direct functional equivalence.
Group 2 - Alternative Electrical Performance (93.6V Clamping): Parts with reduced clamping voltage (93.6V) but increased peak pulse current (6.4A - 6.7A). These maintain the same reverse standoff voltage and package but offer different transient suppression characteristics.
All substitute parts maintain DO-214AA (SMB) surface-mount packaging, single-channel unidirectional configuration, 600W peak pulse power rating, and ROHS3 compliance.
Parameter Comparison
| Part Number | Manufacturer | Voltage - Reverse Standoff (Typ) | Voltage - Clamping (Max) @ Ipp | Current - Peak Pulse (10/1000µs) | Power - Peak Pulse | Operating Temperature | Product Status | Package |
|---|---|---|---|---|---|---|---|---|
| SMBJ58-E3/52 | Vishay General Semiconductor - Diodes Division | 58V | 103V | 5.8A | 600W | -55°C ~ 150°C | Obsolete | DO-214AA (SMB) |
| SMBJ58A-E3/52 | Vishay General Semiconductor - Diodes Division | 58V | 93.6V | 6.4A | 600W | -55°C ~ 150°C | Active | DO-214AA (SMB) |
| SMBJ58E3/TR13 | Microchip Technology | 58V | 103V | 5.8A | 600W | -65°C ~ 150°C | Active | DO-214AA (SMB) |
| SMBJ58A | Meritek | 58V | 93.6V | 6.41A | 600W | -55°C ~ 150°C | Active | DO-214AA (SMB) |
| SMBJ58A-13-F | Diodes Incorporated | 58V | 93.6V | 6.4A | 600W | -55°C ~ 150°C | Active | DO-214AA (SMB) |
| SMBJ58A-TP | Micro Commercial Co | 58V | 93.6V | 6.4A | 600W | -55°C ~ 175°C | Active | DO-214AA (SMB) |
| SMBJ58A-TR | STMicroelectronics | 58V | 93.6V | 6.7A | 600W | -55°C ~ 150°C | Active | DO-214AA (SMB) |
| SZ1SMB58AT3G | Littelfuse Inc. | 58V | 93.6V | 6.4A | 600W | -65°C ~ 150°C | Active | DO-214AA (SMB) |
| SMBJ64AE3/TR13 | Microchip Technology | 64V | 103V | 5.8A | 600W | -65°C ~ 150°C | Active | DO-214AA (SMB) |
Engineering Selection Recommendations
Primary Substitutes (Exact Electrical Match)
SMBJ58E3/TR13 (Microchip Technology) and SMBJ58-E3/52 maintain identical clamping voltage (103V) and peak pulse current (5.8A) specifications. SMBJ58E3/TR13 is active and offers extended operating temperature range (-65°C ~ 150°C) compared to the obsolete original part. This part is suitable for direct replacement in applications requiring the specified 103V clamping characteristic.
Secondary Substitutes (Alternative Electrical Performance)
SMBJ58A-E3/52 (Vishay), SMBJ58A (Meritek), SMBJ58A-13-F (Diodes Incorporated), SMBJ58A-TP (Micro Commercial Co), SMBJ58A-TR (STMicroelectronics), and SZ1SMB58AT3G (Littelfuse) provide 93.6V clamping voltage with increased peak pulse current (6.4A - 6.7A). All are active products with ROHS3 compliance. These parts are suitable for applications where the lower clamping voltage and higher current handling are acceptable.
Extended Temperature Range Option
SMBJ58A-TP (Micro Commercial Co) extends the upper operating temperature to 175°C, providing thermal margin for high-temperature environments. SZ1SMB58AT3G (Littelfuse) extends the lower operating temperature to -65°C and includes AEC-Q101 automotive qualification.
Higher Voltage Alternative
SMBJ64AE3/TR13 (Microchip Technology) provides a 64V reverse standoff voltage with 103V clamping, suitable for applications requiring higher voltage suppression thresholds while maintaining the same clamping and current characteristics as the original part.
All recommended substitutes maintain DO-214AA (SMB) surface-mount packaging, single-channel unidirectional configuration, and ROHS3 compliance.
Frequently Asked Questions (FAQ)
Q: Can SMBJ58A-E3/52 directly replace SMBJ58-E3/52?
A: SMBJ58A-E3/52 maintains the same reverse standoff voltage (58V) and package (DO-214AA/SMB), but reduces clamping voltage from 103V to 93.6V and increases peak pulse current from 5.8A to 6.4A. Direct replacement is possible only if the application circuit tolerates the lower clamping voltage specification.
Q: What is the difference between Group 1 and Group 2 substitutes?
A: Group 1 substitutes (SMBJ58E3/TR13) maintain the original 103V clamping voltage and 5.8A peak pulse current. Group 2 substitutes reduce clamping voltage to 93.6V while increasing peak pulse current to 6.4A - 6.7A. Selection depends on circuit requirements for transient suppression voltage level.
Q: Are all substitute parts available in the same packaging?
A: All listed substitute parts use DO-214AA (SMB) surface-mount packaging, maintaining mechanical compatibility with the original SMBJ58-E3/52. Packaging variants (Cut Tape, Tape & Reel, Digi-Reel) differ only in supply format and do not affect electrical performance or board-level compatibility.
Q: Which substitute offers the widest operating temperature range?
A: SMBJ58A-TP (Micro Commercial Co) extends the upper operating temperature to 175°C. SZ1SMB58AT3G (Littelfuse) extends the lower operating temperature to -65°C. Selection depends on specific thermal requirements.
Q: Is the SMBJ64AE3/TR13 a suitable substitute?
A: SMBJ64AE3/TR13 maintains the 103V clamping voltage and 5.8A peak pulse current but increases reverse standoff voltage from 58V to 64V. This part is suitable only for applications where the higher voltage threshold is acceptable or beneficial.
Q: Do all substitutes maintain RoHS3 compliance?
A: All listed substitute parts are ROHS3 compliant with Moisture Sensitivity Level 1 (Unlimited), matching the compliance profile of the original SMBJ58-E3/52.
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