Request Quote
(Ships tomorrow)
P6SMB100A-M3/5B Equivalent & Substitute Parts
Part Overview
The P6SMB100A-M3/5B is a unidirectional Transient Voltage Suppressor (TVS) diode from Vishay General Semiconductor - Diodes Division, designed for general-purpose transient protection applications. This surface-mount component operates with a reverse standoff voltage of 85.5V and provides clamping at 137V maximum. The part is Active status and ROHS3 compliant, making it suitable for modern electronic designs requiring transient voltage suppression in the 85.5V to 137V range.
Equivalent and substitute parts are necessary when the original part number becomes unavailable, when alternative packaging formats are required for manufacturing processes, or when design specifications allow for compatible alternatives from different manufacturers that meet the same electrical and mechanical requirements.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Voltage - Reverse Standoff (Typ) | 85.5V |
| Voltage - Breakdown (Min) | 95V |
| Voltage - Clamping (Max) @ Ipp | 137V |
| Current - Peak Pulse (10/1000µs) | 4.4A |
| Power - Peak Pulse | 600W |
| Type | Zener |
| Unidirectional Channels | 1 |
| Package / Case | DO-214AA, SMB |
| Mounting Type | Surface Mount |
| Operating Temperature | -65°C ~ 150°C (TJ) |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility for the P6SMB100A-M3/5B is determined by the following critical parameters:
- Voltage - Reverse Standoff (Typ): 85.5V
- Voltage - Breakdown (Min): 95V
- Voltage - Clamping (Max) @ Ipp: 137V
- Package / Case: DO-214AA, SMB (surface mount)
- Type: Zener, Unidirectional (1 channel)
- Mounting Type: Surface Mount
Substitute parts must maintain identical voltage specifications (standoff, breakdown, and clamping voltages) and use the same DO-214AA/SMB package format to ensure mechanical and electrical compatibility. Current ratings and power dissipation may vary within acceptable ranges for the application, as may packaging format (Tape & Box, Tape & Reel, Cut Tape) and operating temperature ranges, provided the core voltage protection characteristics remain unchanged.
Parameter Comparison
| Part Number | Manufacturer | Voltage - Reverse Standoff (Typ) | Voltage - Breakdown (Min) | Voltage - Clamping (Max) @ Ipp | Current - Peak Pulse (10/1000µs) | Power - Peak Pulse | Package / Case | Operating Temperature | RoHS Status |
|---|---|---|---|---|---|---|---|---|---|
| P6SMB100A-M3/5B | Vishay General Semiconductor - Diodes Division | 85.5V | 95V | 137V | 4.4A | 600W | DO-214AA, SMB | -65°C ~ 150°C | ROHS3 Compliant |
| P6SMB100A-E3/52 | Vishay General Semiconductor - Diodes Division | 85.5V | 95V | 137V | 4.4A | 600W | DO-214AA, SMB | -65°C ~ 150°C | ROHS3 Compliant |
| SMBJP6KE100A-TP | Micro Commercial Co | 85.5V | 95V | 137V | 4.5A | 600W | DO-214AA, SMB | -55°C ~ 175°C | ROHS3 Compliant |
| 1KSMB100A | Taiwan Semiconductor Corporation | 85.5V | 95V | 137V | 7.3A | 1000W | DO-214AA, SMB | -55°C ~ 175°C | ROHS3 Compliant |
| P6SMB100A | Eaton - Electronics Division | 85.5V | 95V | 137V | 4.5A | 600W | DO-214AA, SMB | -55°C ~ 150°C | RoHS Compliant |
| SM6T100A | STMicroelectronics | 85.5V | 95V | 178V | 22.5A (8/20µs) | 600W | DO-214AA, SMB | -55°C ~ 150°C | ROHS3 Compliant |
Engineering Selection Recommendations
Direct Equivalents (Identical Electrical Characteristics):
P6SMB100A-E3/52 from Vishay General Semiconductor - Diodes Division is a direct equivalent to the P6SMB100A-M3/5B. Both parts share identical voltage specifications, current ratings, and power dissipation. The difference is packaging format: P6SMB100A-E3/52 is supplied in Tape & Reel format versus Tape & Box for the original part. Both are ROHS3 compliant and Active status.
Compatible Substitutes (Voltage Specifications Maintained):
SMBJP6KE100A-TP from Micro Commercial Co maintains all critical voltage parameters (85.5V standoff, 95V breakdown, 137V clamping) with slightly higher current capability (4.5A versus 4.4A) and extended operating temperature range (-55°C to 175°C). This part is ROHS3 compliant and Active status.
P6SMB100A from Eaton - Electronics Division maintains all critical voltage parameters with 4.5A current capability and RoHS compliance. Operating temperature range is -55°C to 150°C. This part is Active status.
1KSMB100A from Taiwan Semiconductor Corporation maintains all critical voltage parameters with enhanced current capability (7.3A) and power dissipation (1000W). Operating temperature range is -55°C to 175°C. This part is ROHS3 compliant and Active status.
Non-Equivalent Part (Different Clamping Voltage):
SM6T100A from STMicroelectronics does not qualify as a direct substitute. While it maintains the 85.5V standoff and 95V breakdown voltages, the clamping voltage is 178V maximum, which exceeds the 137V specification of the original part. This part is suitable only if the application design permits higher clamping voltages.
Frequently Asked Questions (FAQ)
Q: Can I use P6SMB100A-E3/52 as a direct replacement for P6SMB100A-M3/5B?
A: Yes. Both parts are from Vishay General Semiconductor - Diodes Division with identical electrical specifications: 85.5V standoff, 95V breakdown, 137V clamping, and 4.4A peak pulse current. The only difference is packaging format (Tape & Reel versus Tape & Box). Both are ROHS3 compliant and Active status.
Q: What is the difference between the 600W and 1000W power ratings?
A: The 1KSMB100A offers 1000W peak pulse power dissipation compared to 600W for the original part. This higher rating provides additional thermal margin during transient events but does not change the voltage protection characteristics. Selection depends on the application's transient energy requirements.
Q: Why does SM6T100A have a different clamping voltage?
A: SM6T100A from STMicroelectronics clamps at 178V maximum, compared to 137V for the P6SMB100A-M3/5B. This higher clamping voltage means the protected circuit experiences greater voltage stress during transient suppression. This part is not a direct substitute unless the circuit design specifically allows for higher clamping voltages.
Q: Are all substitute parts ROHS3 compliant?
A: Most substitute parts listed are ROHS3 compliant. The P6SMB100A from Eaton is RoHS compliant (not specifically ROHS3). Verify compliance requirements for your specific application and regulatory jurisdiction.
Q: Can I interchange parts with different operating temperature ranges?
A: Operating temperature range differences do not affect substitution eligibility if the application operates within the overlapping temperature range. For example, SMBJP6KE100A-TP (-55°C to 175°C) can replace P6SMB100A-M3/5B (-65°C to 150°C) in applications operating between -55°C and 150°C. Verify your application's actual operating temperature requirements.
Q: Does packaging format affect electrical performance?
A: No. Tape & Box, Tape & Reel, and Cut Tape formats are manufacturing and supply chain variations only. They do not affect the electrical characteristics or performance of the TVS diode itself. Selection depends on your manufacturing process and inventory management requirements.
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