Request Quote
(Ships tomorrow)
P6SMB15AHM3_A/I Equivalent & Substitute Parts
Part Overview
The P6SMB15AHM3_A/I is a unidirectional transient voltage suppressor (TVS) diode from Vishay General Semiconductor - Diodes Division, designed for telecom applications requiring transient protection. This component features a 12.8V reverse standoff voltage with 21.2V maximum clamping voltage and 28.3A peak pulse current capability in a surface mount DO-214AA (SMB) package. The part is classified as obsolete, making identification of active equivalent alternatives essential for ongoing procurement and design continuity.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Voltage - Reverse Standoff (Typ) | 12.8V |
| Voltage - Breakdown (Min) | 14.3V |
| Voltage - Clamping (Max) @ Ipp | 21.2V |
| Current - Peak Pulse (10/1000µs) | 28.3A |
| Power - Peak Pulse | 600W |
| Operating Temperature Range | -65°C ~ 150°C (TJ) |
| Package / Case | DO-214AA (SMB) |
| Mounting Type | Surface Mount |
| Grade | Automotive |
| Qualification | AEC-Q101 |
Substitute Part Grouping Explanation
Substitution for the P6SMB15AHM3_A/I is determined by strict equivalence across the following critical parameters:
- Voltage ratings: Reverse standoff voltage of 12.8V, breakdown minimum of 14.3V, and clamping voltage maximum of 21.2V
- Current handling: Peak pulse current of 28.3A at 10/1000µs pulse width
- Power dissipation: 600W peak pulse power rating
- Package compatibility: DO-214AA (SMB) surface mount package
- Thermal performance: Operating temperature range of -65°C to 150°C
- Automotive qualification: AEC-Q101 certification and automotive grade classification
- Unidirectional configuration: Single channel TVS diode topology
The P6SMB15AHM3_B/I maintains identical electrical and thermal specifications while offering active product status and improved availability.
Parameter Comparison
| Parameter | P6SMB15AHM3_A/I (Main) | P6SMB15AHM3_B/I (Substitute) |
|---|---|---|
| Manufacturer | Vishay General Semiconductor - Diodes Division | Vishay General Semiconductor - Diodes Division |
| Series | P6SMB, TransZorb® | P6SMB, TransZorb® |
| Product Status | Obsolete | Active |
| Voltage - Reverse Standoff (Typ) | 12.8V | 12.8V |
| Voltage - Breakdown (Min) | 14.3V | 14.3V |
| Voltage - Clamping (Max) @ Ipp | 21.2V | 21.2V |
| Current - Peak Pulse (10/1000µs) | 28.3A | 28.3A |
| Power - Peak Pulse | 600W | 600W |
| Operating Temperature | -65°C ~ 150°C (TJ) | -65°C ~ 150°C (TJ) |
| Package / Case | DO-214AA (SMB) | DO-214AA (SMB) |
| Mounting Type | Surface Mount | Surface Mount |
| Grade | Automotive | Automotive |
| Qualification | AEC-Q101 | AEC-Q101 |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| REACH Status | REACH Unaffected | REACH Unaffected |
Engineering Selection Recommendations
The P6SMB15AHM3_B/I is the direct equivalent for the obsolete P6SMB15AHM3_A/I. Both components share identical electrical specifications, thermal characteristics, and automotive qualifications. The primary distinction is product status: the substitute maintains active manufacturing status with established supply chains, whereas the original part is obsolete.
Selection of the P6SMB15AHM3_B/I is supported by:
- Identical voltage and current ratings across all specified parameters
- Matching AEC-Q101 automotive qualification
- Equivalent RoHS3 and REACH compliance
- Same DO-214AA (SMB) package footprint for direct PCB compatibility
- Active product status ensuring long-term availability and supply continuity
Frequently Asked Questions (FAQ)
Q: Can P6SMB15AHM3_B/I be used as a direct replacement for P6SMB15AHM3_A/I?
A: Yes. Both parts are electrically and mechanically identical. The P6SMB15AHM3_B/I is the active equivalent with identical voltage ratings (12.8V standoff, 21.2V clamping), current handling (28.3A peak pulse), power dissipation (600W), and package configuration (DO-214AA SMB). Direct PCB substitution is supported without design modification.
Q: What is the difference between the two part numbers?
A: The primary difference is product lifecycle status. The P6SMB15AHM3_A/I is obsolete, while the P6SMB15AHM3_B/I is active. The suffix designations (_A/I versus _B/I) indicate manufacturing variants within the same electrical specification family. All electrical and thermal parameters remain identical.
Q: Are there packaging differences between these parts?
A: Both parts use the DO-214AA (SMB) surface mount package. The P6SMB15AHM3_A/I is supplied in standard packaging, while the P6SMB15AHM3_B/I is available in Tape & Reel (TR) format. The physical component dimensions and PCB footprint are identical; packaging format differs only in delivery configuration.
Q: Does the substitute maintain automotive qualification?
A: Yes. The P6SMB15AHM3_B/I carries AEC-Q101 qualification and automotive grade classification identical to the original part. Both components meet automotive reliability and environmental testing requirements.
Q: Are compliance certifications equivalent?
A: Yes. Both parts are ROHS3 compliant and REACH unaffected. Regulatory compliance status is identical between the main part and substitute.
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