Request Quote
(Ships tomorrow)
SMBJ8.0A-M3/52 Equivalent & Substitute Parts
Part Overview
The SMBJ8.0A-M3/52 is an 8V Transient Voltage Suppressor (TVS) diode manufactured by Vishay General Semiconductor - Diodes Division. This unidirectional Zener diode operates in the DO-214AA (SMB) surface mount package and is designed for general-purpose transient voltage protection applications. The part is active in production status with ROHS3 compliance and unlimited moisture sensitivity rating (MSL 1). Equivalent and substitute parts are identified based on matching electrical performance parameters and package compatibility within the SMBJ8.0 series.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Voltage - Reverse Standoff (Typ) | 8 | V |
| Voltage - Breakdown (Min) | 8.89 | V |
| Voltage - Clamping (Max) @ Ipp | 13.6 | V |
| Current - Peak Pulse (10/1000µs) | 44.1 | A |
| Power - Peak Pulse | 600 | W |
| Operating Temperature Range | -55 to 150 | °C (TJ) |
| Package / Case | DO-214AA, SMB | - |
| Mounting Type | Surface Mount | - |
| RoHS Status | ROHS3 Compliant | - |
Substitute Part Grouping Explanation
Substitute parts for the SMBJ8.0A-M3/52 are qualified based on the following electrical and mechanical parameters:
- Voltage - Reverse Standoff (Typ): 8V
- Voltage - Breakdown (Min): 8.89V minimum
- Voltage - Clamping (Max) @ Ipp: 13.4V to 13.6V range
- Current - Peak Pulse (10/1000µs): 44.1A to 44.8A range
- Power - Peak Pulse: 600W
- Package / Case: DO-214AA or SMB equivalent
- Mounting Type: Surface Mount
- RoHS Status: ROHS3 Compliant
All substitute parts maintain the same functional voltage class (8V standoff) and thermal dissipation capability. Variations in clamping voltage (13.4V to 13.6V) and peak pulse current (44.1A to 44.8A) remain within acceptable tolerance for general-purpose transient suppression applications.
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 | Package | RoHS Status |
|---|---|---|---|---|---|---|---|---|---|
| SMBJ8.0A-M3/52 | Vishay General Semiconductor | 8V | 8.89V | 13.6V | 44.1A | 600W | -55 to 150°C | DO-214AA (SMBJ) | ROHS3 |
| SMBJ8.0D-M3/H | Vishay General Semiconductor | 8V | 9.03V | 13.4V | 44.8A | 600W | -55 to 150°C | DO-214AA (SMBJ) | ROHS3 |
| SMBJ8.0A-E3/52 | Vishay General Semiconductor | 8V | 8.89V | 13.6V | 44.1A | 600W | -55 to 150°C | DO-214AA (SMBJ) | ROHS3 |
| SMBJ8.0A | MDD | 8V | 8.89V | 13.6V | 44.2A | 600W | -50 to 150°C | DO-214AA, SMB | ROHS3 |
| SMBJ8.0A-13-F | Diodes Incorporated | 8V | 8.89V | 13.6V | 44.1A | 600W | -55 to 150°C | DO-214AA, SMB | ROHS3 |
| SMBJ8.0A-TP | Micro Commercial Co | 8V | 8.89V | 13.6V | 44.1A | 600W | -55 to 175°C | DO-214AA, SMB | ROHS3 |
Engineering Selection Recommendations
All listed substitute parts maintain active product status and ROHS3 compliance. Selection among equivalent parts should be based on:
- Availability and lead time requirements
- Specific operating temperature range needs (SMBJ8.0A-TP supports extended upper temperature to 175°C)
- Manufacturer preference or supply chain qualification
- Packaging variant requirements (tape & reel specifications)
The SMBJ8.0A-E3/52 is designated as the manufacturer-recommended substitute, offering identical electrical specifications to the primary part with higher inventory availability (13,800 pcs vs. 697 pcs).
Frequently Asked Questions (FAQ)
Q: Can SMBJ8.0D-M3/H be used as a direct replacement for SMBJ8.0A-M3/52?
A: Yes. Both parts share the same 8V reverse standoff voltage, 600W peak pulse power, and DO-214AA package. The SMBJ8.0D-M3/H exhibits slightly higher clamping voltage (13.4V vs. 13.6V) and peak pulse current (44.8A vs. 44.1A), which remain within acceptable tolerance for general-purpose transient suppression.
Q: What is the difference between SMBJ8.0A from MDD and SMBJ8.0A-M3/52 from Vishay?
A: Both parts are electrically equivalent with 8V standoff voltage and 13.6V clamping voltage. The MDD variant has a lower minimum operating temperature (-50°C vs. -55°C). For applications requiring the full -55°C lower temperature range, the Vishay part is required.
Q: Is SMBJ8.0A-TP suitable for high-temperature applications?
A: Yes. The SMBJ8.0A-TP supports operating temperatures up to 175°C (junction), compared to 150°C for the primary part. This extended temperature range makes it suitable for applications in elevated thermal environments.
Q: Are all substitute parts available in tape & reel packaging?
A: Yes. All listed substitute parts are supplied in tape & reel (TR) packaging suitable for automated assembly processes.
Q: Do all substitute parts meet RoHS compliance?
A: Yes. All substitute parts listed carry ROHS3 compliance certification and unlimited moisture sensitivity rating (MSL 1).
Alternative Parts
SJ6012L2TP
Littelfuse Inc.
6 Alternative Parts
JMK107BBJ476MA-RE
Taiyo Yuden
10 Alternative Parts
GMK107BBJ475MA-T
Taiyo Yuden
5 Alternative Parts
SJ6020N2ARP
Littelfuse Inc.
3 Alternative Parts
SJ6025R2ATP
Littelfuse Inc.
4 Alternative Parts
2474-05L
API Delevan Inc.
1 Alternative Parts
4590R-684K
API Delevan Inc.
1 Alternative Parts
CM6560R-334
API Delevan Inc.
1 Alternative Parts
CM6460-104
API Delevan Inc.
1 Alternative Parts
5526-12
API Delevan Inc.
1 Alternative Parts



