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Vishay General Semiconductor - Diodes Division P6SMB100AHM3_A/I
- Part No.:
- P6SMB100AHM3_A/I
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB100AHM3_A/I.pdf
- Description:
- TVS DIODE 85.5VWM 137VC DO214AA
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
P6SMB100AHM3_A/I from Vishay General Semiconductor is a unidirectional surface-mount Transient Voltage Suppressor (TVS) diode in the P6SMB series, designed for robust overvoltage protection of sensitive electronics. It features a 100 V standoff voltage (VWM), 137 V maximum clamping voltage (VC) at 4.4 A peak pulse current (IPPM), and 600 W peak pulse power capability with a 10/1000 μs waveform. It is used to protect MOSFETs, ICs, and sensor signal lines against inductive switching transients and lightning surges in industrial and automotive systems.
For engineers reviewing the P6SMB100AHM3_A/I datasheet, P6SMB100AHM3_A/I pinout, P6SMB100AHM3_A/I application, or P6SMB100AHM3_A/I equivalent, this page delivers verified electrical parameters, AEC-Q101 qualification status, SMB (DO-214AA) package dimensions, thermal resistance data, and real-world protection use cases - all confirmed from Vishay's official 88370 document (Rev. 09-Jan-2024).
Technical Context
This TVS diode operates as a unidirectional clamping device with a glass-passivated junction and low incremental surge resistance, enabling fast response to transient events. Its breakdown voltage (VBR) is specified at 95.0–105 V with 1 mA test current, and it exhibits a temperature coefficient of 0.106 %/°C - critical for stable clamping across operating temperatures.
The device is rated for 150 °C maximum junction temperature and meets J-STD-020 MSL Level 1 (peak reflow 260 °C). Its halogen-free, RoHS-compliant construction (HM3 suffix) and AEC-Q101 qualification (indicated by "HM3_B" or "HM3_D" variants) confirm suitability for automotive-grade designs requiring long-term reliability under thermal cycling and mechanical stress.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off Voltage) | 85.5 V - maximum reverse working voltage before clamping begins; defines safe continuous operating range. |
| VBR (Breakdown Voltage) | 95.0–105 V at 1 mA - precise voltage threshold where avalanche conduction initiates reliably. |
| VC (Clamping Voltage) | 137 V at 4.4 A IPPM - peak voltage seen by protected circuit during worst-case 10/1000 μs transient. |
| PPPM (Peak Pulse Power) | 600 W - energy-handling capacity for standardized surge waveforms; enables protection against IEC 61000-4-5 Level 4 surges. |
| ID (Reverse Leakage) | 1.0 μA at VWM - negligible leakage ensures minimal standby power loss and signal integrity in high-impedance circuits. |
| TJ max. | 150 °C - supports operation in under-hood automotive and industrial environments without derating below ambient. |
| RθJA | 100 °C/W - thermal resistance from junction to ambient on standard 0.2" × 0.2" copper pads; informs heatsinking requirements. |
Pinout & Package
Package: SMB (DO-214AA) - surface-mount plastic case with matte tin-plated leads, UL 94 V-0 rated molding compound, and polarity indicated by cathode band.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Cathode (banded end) | Anode-side connection point for unidirectional operation | Connected to protected line; clamps positive transients to ground when referenced to anode. |
| Anode | Reference/ground node | Typically tied to system ground or low-impedance return path; completes clamping path during overvoltage events. |
Key Features
| Feature | Design Value |
|---|---|
| 600 W peak pulse power (10/1000 μs) | Enables single-device protection against high-energy transients per IEC 61000-4-5, reducing need for cascaded protection stages. |
| AEC-Q101 qualified (HM3 suffix) | Validated for automotive applications including engine control units and ADAS sensor interfaces with extended temperature and life-cycle compliance. |
| Glass passivated junction | Ensures stable VBR over time and temperature, minimizing parameter drift in harsh environments. |
| Low profile SMB package (DO-214AA) | 0.220" × 0.130" footprint supports high-density PCB layouts and automated SMT assembly without height interference. |
| Halogen-free & RoHS-compliant | Meets global environmental regulations and eliminates corrosive halogen emissions during soldering or end-of-life processing. |
Applications
| Automotive Sensor Protection | Industrial PLC I/O Protection |
|---|---|
Use Scenario: Protecting CAN/LIN bus transceivers and analog sensor inputs (e.g., pressure, temperature) from load dump and ISO 7637-2 pulses. IC Role / Device Role / Timing Role: Unidirectional clamping TVS placed between signal line and ground to limit transient voltage before it reaches the IC input stage. Use Value: Clamps 137 V at 4.4 A, keeping downstream 5 V or 12 V logic within safe operating area during 100 V/500 ms load dump events. |
Use Scenario: Safeguarding digital input modules in programmable logic controllers exposed to relay coil flyback and motor drive noise. IC Role / Device Role / Timing Role: Standoff device absorbing repetitive 600 W surges induced by inductive switching on 24 V DC input channels. Use Value: Withstands 100 A IFSM and maintains <1 μA leakage at 85.5 V, ensuring no false triggering or signal degradation during normal operation. |
| Telecom Line Interface Protection | Consumer Power Adapter ESD/Surge Guard |
Use Scenario: Shielding Ethernet PHY interface pins and PoE power rails from lightning-induced surges and EFT bursts. IC Role / Device Role / Timing Role: Primary front-end TVS on RJ45 magnetics secondary side, coordinated with GDT or MOV for staged protection. Use Value: Fast 10 ns response and 137 V clamping prevent latch-up or gate oxide damage in 10/100/1000BASE-T transceivers. |
Use Scenario: Secondary-side transient suppression on 12–19 V DC output rails of wall adapters powering laptops and monitors. IC Role / Device Role / Timing Role: Final-stage clamp preventing surge propagation from AC/DC converter to connected devices during mains transients. Use Value: 600 W rating handles combination wave surges (1.2/50 μs + 8/20 μs) while RθJA = 100 °C/W allows natural convection cooling without heatsinks. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ100A-E3/5B | Same VWM (85.5 V), VC (137 V), and PPPM (600 W); SMA package (DO-214AC), higher RθJA (150 °C/W). | Larger footprint (0.275" × 0.165") and lower thermal performance; less suitable for high-density or thermally constrained layouts. | Select when existing SMA footprint is fixed and AEC-Q101 is not required. |
| 1.5SMC100AHE3_A | Same electrical specs but SMC (DO-214AB) package; 1.5 kW rating, higher IFSM (200 A), non-AEC-Q101. | Higher surge margin but larger size (0.325" × 0.220"); suited for industrial power supplies rather than space-constrained automotive modules. | Choose for cost-sensitive industrial designs needing extra surge headroom without automotive qualification. |
Compared with SMAJ100A-E3/5B and 1.5SMC100AHE3_A, P6SMB100AHM3_A/I offers optimal balance of AEC-Q101 compliance, SMB footprint density, and thermal performance - making it preferred for next-generation automotive ECUs and compact industrial sensors where qualification and board space are critical.
Availability
P6SMB100AHM3_A/I is available at Aetrix Electronics and suitable for automotive sensor interfaces, industrial PLC I/O modules, telecom line protection, and consumer power adapter surge guard applications requiring stable component supply and full traceability.
Supply support for P6SMB100AHM3_A/I includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Vishay General Semiconductor is a global leader in discrete semiconductors, specializing in diodes, rectifiers, TVS devices, and power MOSFETs with emphasis on reliability, efficiency, and application-specific optimization.
The P6SMB series was engineered for high-reliability transient suppression in automotive, industrial, and telecom infrastructure - delivering consistent clamping performance, AEC-Q101 validation, and halogen-free packaging for sustainable manufacturing.
FAQ
What is the clamping voltage of P6SMB100AHM3_A/I at its rated peak pulse current?
The P6SMB100AHM3_A/I has a maximum clamping voltage (VC) of 137 V when subjected to its rated peak pulse current (IPPM) of 4.4 A under a 10/1000 μs waveform. This value is measured per Figure 1 in Vishay's official datasheet (Doc. #88370, Rev. 09-Jan-2024) and defines the upper voltage limit imposed on protected circuitry during surge events. The P6SMB100AHM3_A/I maintains this clamping performance across its full operating temperature range.
Is P6SMB100AHM3_A/I qualified for automotive applications?
Yes, P6SMB100AHM3_A/I is AEC-Q101 qualified, as confirmed by its HM3 suffix and documentation in Vishay's P6SMB series datasheet (Rev. 09-Jan-2024). The "HM3" denotes halogen-free, RoHS-compliant construction with AEC-Q101 validation, and the "_B" or "_D" revision codes (e.g., HM3_B for 6.8–220 V variants) further specify automotive qualification. P6SMB100AHM3_A/I falls within the 100 V unidirectional group covered under this qualification.
What does the "A/I" suffix mean in P6SMB100AHM3_A/I?
The "A/I" suffix in P6SMB100AHM3_A/I indicates packaging configuration: "A" denotes the standard SMB (DO-214AA) package, and "I" specifies 13-inch diameter plastic tape and reel delivery with 3200 units per reel. This matches Vishay's ordering convention shown in Table on page 3 of Document #88370, where "/I" corresponds to 13" reels - essential for high-volume SMT production planning.
How does the thermal resistance of P6SMB100AHM3_A/I affect PCB layout?
P6SMB100AHM3_A/I has a typical junction-to-ambient thermal resistance (RθJA) of 100 °C/W when mounted on 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pads per terminal. To maintain TJ ≤ 150 °C under 5.0 W steady-state dissipation, designers must allocate ≥ 5 mm² of 2-oz copper per pad and avoid enclosing the device in thermally isolated zones. This RθJA value directly informs minimum copper area and airflow requirements in automotive and industrial PCB layouts.
Can P6SMB100AHM3_A/I be used in bidirectional protection circuits?
No, P6SMB100AHM3_A/I is a unidirectional TVS diode, as indicated by its "A" suffix (e.g., P6SMB100A) and cathode band marking. Bidirectional variants use the "CA" suffix (e.g., P6SMB100CA). Using P6SMB100AHM3_A/I in bidirectional applications would only suppress positive transients; negative excursions would forward-bias the device and cause failure. For AC or dual-polarity signal lines, select P6SMB100CAHM3_A/I instead.
P6SMB100AHM3_A/I Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AA, SMB
- Series:
- P6SMB, TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- 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
- Power Line Protection:
- No
- Applications:
- Telecom
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMB)
P6SMB100AHM3_A/I FAQ
1.How can I place an order for P6SMB100AHM3_A/I through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB100AHM3_A/I on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for P6SMB100AHM3_A/I reliable?
The price and inventory of P6SMB100AHM3_A/I are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB100AHM3_A/I is usually 5 days.
3.What payment methods are accepted for P6SMB100AHM3_A/I?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB100AHM3_A/I transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB100AHM3_A/I?
P6SMB100AHM3_A/I orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB100AHM3_A/I order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for P6SMB100AHM3_A/I?
For technical support, including P6SMB100AHM3_A/I datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB100AHM3_A/I requirements.
6.How does Aetrix verify that P6SMB100AHM3_A/I is sourced from the original manufacturer or authorized distributors?
All P6SMB100AHM3_A/I products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that P6SMB100AHM3_A/I meets industry standards.
7.What is the process for return or replacement of P6SMB100AHM3_A/I?
All P6SMB100AHM3_A/I units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB100AHM3_A/I, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The P6SMB100AHM3_A/I part is unused and in its original packaging.
Return procedure for P6SMB100AHM3_A/I:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMB100AHM3_A/I Tags
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