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SMBJ6.0-E3/52 Equivalent & Substitute Parts
Part Overview
The SMBJ6.0-E3/52 is a unidirectional Transient Voltage Suppressor (TVS) diode manufactured by Vishay General Semiconductor - Diodes Division, designed for general-purpose transient protection applications. This component operates with a 6V reverse standoff voltage and provides 11.4V maximum clamping voltage at peak pulse current. The part is currently classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | SMBJ6.0-E3/52 |
| Manufacturer | Vishay General Semiconductor - Diodes Division |
| Category | Transient Voltage Suppressors (TVS) |
| Package / Case | DO-214AA, SMB |
| Type | Zener |
| Unidirectional Channels | 1 |
| Voltage - Reverse Standoff (Typ) | 6V |
| Voltage - Breakdown (Min) | 6.67V |
| Voltage - Clamping (Max) @ Ipp | 11.4V |
| Current - Peak Pulse (10/1000µs) | 52.6A |
| Power - Peak Pulse | 600W |
| Operating Temperature | -55°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitution for the SMBJ6.0-E3/52 is determined by the following critical parameters:
- Voltage - Reverse Standoff (Typ): 6V
- Voltage - Clamping (Max) @ Ipp: 11.4V (or equivalent within acceptable tolerance)
- Current - Peak Pulse (10/1000µs): 52.6A (or higher)
- Power - Peak Pulse: 600W
- Package / Case: DO-214AA, SMB
- Unidirectional Channels: 1
- Type: Zener
- Mounting Type: Surface Mount
- RoHS Status: ROHS3 Compliant
Substitute parts are grouped into two categories based on clamping voltage characteristics:
Group A - Matched Clamping Voltage (11.4V): Parts with identical or near-identical clamping voltage specifications, providing direct functional equivalence.
Group B - Lower Clamping Voltage (10.3V): Parts with reduced clamping voltage that maintain the same reverse standoff voltage and peak pulse current ratings, suitable for applications with tighter voltage regulation requirements.
Parameter Comparison
| Part Number | Manufacturer | Voltage - Reverse Standoff (Typ) | Voltage - Clamping (Max) @ Ipp | Current - Peak Pulse (10/1000µs) | Power - Peak Pulse | Operating Temperature | Package / Case | Product Status |
|---|---|---|---|---|---|---|---|---|
| SMBJ6.0-E3/52 | Vishay General Semiconductor - Diodes Division | 6V | 11.4V | 52.6A | 600W | -55°C ~ 150°C | DO-214AA, SMB | Obsolete |
| SMBJ6.0E3/TR13 | Microchip Technology | 6V | 11.4V | 52.6A | 600W | -65°C ~ 150°C | DO-214AA, SMB | Active |
| SMBJ6.0A-E3/52 | Vishay General Semiconductor - Diodes Division | 6V | 10.3V | 58.3A | 600W | -55°C ~ 150°C | DO-214AA, SMB | Active |
| SMBJ6.0A-TR | STMicroelectronics | 6V | 10.3V | 61A | 600W | -55°C ~ 150°C | DO-214AA, SMB | Active |
| SMBJ6.0A-13-F | Diodes Incorporated | 6V | 10.3V | 58.3A | 600W | -55°C ~ 150°C | DO-214AA, SMB | Active |
| SMBJ6.0A-HR | Littelfuse Inc. | 6V | 10.3V | 58.3A | 600W | -65°C ~ 150°C | DO-214AA, SMB | Active |
| SMBJ6.0A-HRA | Littelfuse Inc. | 6V | 10.3V | 58.3A | 600W | -65°C ~ 150°C | DO-214AA, SMB | Active |
| SMBJ6.0AE3/TR13 | Microchip Technology | 6V | 10.3V | 58.3A | 600W | -65°C ~ 150°C | DO-214AA, SMB | Active |
| SMBJ6V0A | Taiwan Semiconductor Corporation | 6V | 10.3V | 58.3A | 600W | -55°C ~ 150°C | DO-214AA, SMB | Active |
| SMBJ6.0A | EVVO Semi | 6V | 10.3V | 58.3A | 600W | -65°C ~ 150°C | DO-214AA, SMB | Active |
| SACB6.0 | Littelfuse Inc. | 6V | 11.2V | 41A | 500W | -55°C ~ 150°C | DO-214AA, SMB | Active |
Engineering Selection Recommendations
Primary Substitute (Direct Equivalent): SMBJ6.0E3/TR13 (Microchip Technology) provides identical electrical performance with 11.4V clamping voltage and 52.6A peak pulse current. This part maintains active product status and ROHS3 compliance. The extended operating temperature range (-65°C to 150°C) offers improved thermal margin compared to the original part.
Secondary Substitutes (Reduced Clamping Voltage): SMBJ6.0A-E3/52, SMBJ6.0A-TR, SMBJ6.0A-13-F, SMBJ6.0A-HR, SMBJ6.0A-HRA, SMBJ6.0AE3/TR13, SMBJ6V0A, and SMBJ6.0A are suitable for applications where lower clamping voltage (10.3V) is acceptable. These parts offer equal or superior peak pulse current ratings (58.3A to 61A) and maintain 600W power dissipation. All are active products with ROHS3 compliance.
Alternative Substitute (Reduced Performance): SACB6.0 (Littelfuse Inc.) provides 11.2V clamping voltage but with reduced peak pulse current (41A) and power dissipation (500W). This part is suitable only for applications with lower transient current requirements.
All substitute parts maintain the same 6V reverse standoff voltage, DO-214AA/SMB package configuration, and unidirectional zener topology. Selection should be based on specific application requirements for clamping voltage precision and peak pulse current handling capability.
Frequently Asked Questions (FAQ)
Q: Can SMBJ6.0A-E3/52 directly replace SMBJ6.0-E3/52?
A: SMBJ6.0A-E3/52 is functionally compatible with reduced clamping voltage (10.3V vs. 11.4V). Both parts share identical reverse standoff voltage (6V), package (DO-214AA/SMB), and power rating (600W). The lower clamping voltage may be advantageous in applications requiring tighter voltage regulation. Peak pulse current is higher (58.3A vs. 52.6A), providing improved transient handling capability.
Q: What is the difference between Group A and Group B substitutes?
A: Group A substitutes (SMBJ6.0E3/TR13, SACB6.0) maintain clamping voltage at or near 11.4V, providing direct electrical equivalence. Group B substitutes feature 10.3V clamping voltage with higher peak pulse current ratings (58.3A to 61A). Selection depends on whether the application circuit requires the original clamping voltage specification or can tolerate the lower voltage with improved current handling.
Q: Are all substitute parts ROHS3 compliant?
A: All listed substitute parts are ROHS3 compliant and maintain Moisture Sensitivity Level 1 (Unlimited), matching the original part's environmental compliance profile.
Q: Does operating temperature range affect substitution compatibility?
A: Operating temperature ranges vary among substitutes (-55°C to -65°C minimum, all reaching 150°C maximum). Parts with extended lower temperature range (-65°C) offer improved performance margin in cold environments. Selection should confirm the substitute's temperature range meets application requirements.
Q: Can SACB6.0 replace SMBJ6.0-E3/52 in all applications?
A: SACB6.0 is suitable only for applications where peak pulse current does not exceed 41A and power dissipation remains below 500W. The original part specification of 52.6A peak pulse current and 600W power dissipation cannot be matched by SACB6.0. Verify application transient current requirements before selecting this substitute.
Q: What packaging options are available for substitutes?
A: All substitute parts use DO-214AA/SMB surface-mount package configuration, maintaining identical PCB footprint and assembly compatibility with the original SMBJ6.0-E3/52 design.
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