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Vishay General Semiconductor - Diodes Division P6SMB11AHM3/I
- Part No.:
- P6SMB11AHM3/I
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB11AHM3/I.pdf
- Description:
- TVS DIODE 9.4VWM 15.6VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:2,453
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Product details
Overview
P6SMB11AHM3/I from Vishay General Semiconductor is a unidirectional surface-mount Transient Voltage Suppressor (TVS) diode in the P6SMB series, designed for clamping voltage transients on power and signal lines. It features a 11 V breakdown voltage (VBR = 10.5–11.6 V at IT = 1.0 mA), 9.4 V stand-off voltage (VWM), and 15.6 V maximum clamping voltage (VC) at 38.5 A peak pulse current (IPPM), delivering 600 W peak pulse power with a 10/1000 μs waveform - commonly deployed to protect MOSFET gates and sensor interfaces in automotive ECUs.
For engineers reviewing the P6SMB11AHM3/I datasheet, P6SMB11AHM3/I pinout, P6SMB11AHM3/I application, or P6SMB11AHM3/I equivalent, key selection criteria include its AEC-Q101 qualification (HM3 suffix), halogen-free RoHS compliance, SMB (DO-214AA) package footprint, unidirectional polarity with cathode band marking, and thermal resistance (RθJA = 100 °C/W) under standard PCB pad layout.
Technical Context
This TVS diode operates as a voltage-clamping protection device: when reverse voltage exceeds VWM = 9.4 V, it enters avalanche breakdown at VBR = 10.5–11.6 V and limits transient voltage to ≤15.6 V at 38.5 A. Its low incremental surge resistance ensures minimal voltage overshoot during fast transients (e.g., ISO 7637-2 load dump or ESD events).
Designed for surface-mount automated assembly, it uses glass-passivated junction technology and meets J-STD-020 MSL Level 1 (peak reflow = 260 °C). The HM3 suffix confirms halogen-free, RoHS-compliant construction and AEC-Q101 qualification - required for automotive-grade reliability in engine control, body electronics, and ADAS sensor modules.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 10.5 V / 11.6 V at 1.0 mA test current - defines precise avalanche onset threshold for repeatable clamping behavior |
| VWM | 9.4 V - maximum continuous reverse operating voltage before leakage exceeds 5.0 μA; sets safe margin below VBR |
| VC @ IPPM | 15.6 V at 38.5 A - clamped voltage during 600 W 10/1000 μs surge; determines protected circuit's maximum stress level |
| IPPM | 38.5 A - peak pulse current capability under standardized waveform; validates robustness against automotive load-dump surges |
| RθJA | 100 °C/W - junction-to-ambient thermal resistance on 0.2" × 0.2" copper pads; informs derating above 25 °C ambient |
| TJ max. | +150 °C - maximum junction temperature; enables operation in under-hood automotive environments |
| Package | SMB (DO-214AA) - industry-standard 2-pin SMD outline (5.59 mm × 4.06 mm × 2.20 mm); compatible with standard pick-and-place and reflow profiles |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, unidirectional configuration with cathode band marking on one end. Dimensions: 5.59 mm × 4.06 mm × 2.20 mm; terminals are matte tin-plated, solderable per J-STD-002 and JESD 22-B102.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal | Connected to lower-potential side of protected line (e.g., ground or return path); conducts during forward surge |
| Cathode | Avalanche clamping terminal | Connected to higher-potential side (e.g., supply rail or signal line); initiates breakdown when reverse voltage exceeds VWM |
Key Features
| Feature | Design Value |
|---|---|
| 600 W peak pulse power (10/1000 μs) | Withstands high-energy transients common in automotive 12 V systems without degradation |
| AEC-Q101 qualified (HM3 suffix) | Validated for automotive applications including engine control, lighting, and infotainment subsystems |
| Halogen-free & RoHS-compliant | Meets environmental compliance requirements for global OEM production and recycling mandates |
| MSL Level 1 moisture sensitivity | Allows unlimited floor life and standard reflow without baking - reduces manufacturing overhead |
| Glass passivated chip junction | Enhances long-term reliability and stability of VBR and leakage performance across temperature cycles |
Applications
| Automotive Engine Control Unit (ECU) | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: Protecting microcontroller I/O pins and CAN transceiver power rails from load-dump spikes and alternator ripple in 12 V vehicle electrical systems. IC Role / Device Role / Timing Role: Unidirectional clamping TVS placed between VCC and GND, triggered within nanoseconds of overvoltage event. Use Value: Limits transient voltage to ≤15.6 V, preventing latch-up or gate oxide damage in 3.3 V/5 V logic devices downstream. |
Use Scenario: Safeguarding analog front-end inputs of pressure/temperature sensors connected to PLC analog input modules. IC Role / Device Role / Timing Role: Reverse-biased TVS on signal line (e.g., 4–20 mA loop or 0–10 V output) to shunt induced surges before reaching ADC input stage. Use Value: Maintains signal integrity by clamping transients below ADC full-scale range while adding <1 pF capacitance at DC bias. |
| Consumer Power Adapter Input Stage | Telecom Base Station DC Power Distribution |
Use Scenario: Secondary-side overvoltage suppression on 5 V/12 V outputs of AC-DC adapters subject to lightning-induced surges on connected cables. IC Role / Device Role / Timing Role: Standoff-rated TVS (VWM = 9.4 V) placed after DC-DC converter output filter to absorb residual transients. Use Value: Prevents false triggering of downstream OVP circuits while sustaining 600 W surge energy without failure. |
Use Scenario: Point-of-load protection on -48 V telecom DC distribution boards exposed to hot-swap and cable discharge events. IC Role / Device Role / Timing Role: Unidirectional TVS mounted directly at board edge connectors feeding power to RF amplifiers and backplane controllers. Use Value: Clamps negative-going transients to ≤15.6 V, preserving -48 V rail stability and avoiding brownout resets in critical infrastructure. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ11A-E3/5B | Same VBR range (10.5–11.6 V), but SMA package (smaller footprint, RθJA = 140 °C/W), lower PPPM = 400 W | Limited to lower-energy transients; not AEC-Q101 qualified | Select for space-constrained consumer designs where automotive qualification is unnecessary |
| 1.5SMC11A | Same electrical specs, but larger SMC (DO-214AB) package (7.11 mm × 6.22 mm), RθJA = 60 °C/W, same 600 W rating | Better thermal performance but requires larger PCB area; no AEC-Q101 option available | Choose when higher thermal margin is needed and board space permits larger footprint |
Compared with SMAJ11A-E3/5B and 1.5SMC11A, P6SMB11AHM3/I uniquely combines AEC-Q101 qualification, halogen-free compliance, SMB footprint efficiency, and validated 600 W surge handling - making it the preferred choice for automotive Tier-1 production and industrial designs requiring traceable reliability.
Availability
P6SMB11AHM3/I is available at Aetrix Electronics and suitable for automotive ECU protection, industrial sensor interface hardening, and telecom DC power distribution requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for P6SMB11AHM3/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, MOSFETs, and protection devices with emphasis on reliability, efficiency, and application-specific validation.
The P6SMB series targets automotive and industrial transient suppression, engineered to meet stringent AEC-Q101 requirements and deliver consistent clamping performance across temperature and surge repetition rates.
FAQ
What is the breakdown voltage tolerance for P6SMB11AHM3/I?
The P6SMB11AHM3/I has a specified breakdown voltage (VBR) range of 10.5 V to 11.6 V at 1.0 mA test current, representing ±5% tolerance around the nominal 11 V rating. This tight tolerance ensures predictable clamping onset in safety-critical automotive and industrial applications where overvoltage thresholds must be precisely controlled.
Is P6SMB11AHM3/I suitable for bidirectional transient protection?
No, P6SMB11AHM3/I is a unidirectional TVS diode, indicated by the "A" suffix and cathode band marking. For bidirectional protection, Vishay offers the P6SMB11CA variant. Using P6SMB11AHM3/I in bidirectional configurations risks forward conduction during negative transients, potentially damaging downstream circuitry.
Does P6SMB11AHM3/I require derating at elevated ambient temperatures?
Yes, P6SMB11AHM3/I must be derated above 25 °C ambient per Figure 2 in the datasheet. With RθJA = 100 °C/W, its peak pulse power drops linearly - e.g., at 85 °C ambient, maximum PPPM falls to ~360 W. Designers must apply thermal derating curves to ensure reliable operation in under-hood or enclosed industrial enclosures.
What does the "HM3/I" suffix signify in P6SMB11AHM3/I?
The "HM3" suffix denotes halogen-free, RoHS-compliant construction with AEC-Q101 qualification; "I" indicates packaging in 13-inch tape-and-reel format (3200 units per reel). This suffix combination confirms compliance with automotive environmental and reliability standards, distinguishing it from commercial-grade "E3" or "M3" variants.
Can P6SMB11AHM3/I replace older P6SMB11A variants in existing designs?
Yes, P6SMB11AHM3/I is a direct replacement for legacy P6SMB11A parts in terms of electrical specs and SMB footprint, but adds AEC-Q101 qualification and halogen-free materials. No PCB changes are required; however, designers should verify reflow profile compatibility and update BOM documentation to reflect the enhanced reliability grade.
P6SMB11AHM3/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:
- Discontinued at Digi-Key
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 9.4V
- Voltage - Breakdown (Min):
- 10.5V
- Voltage - Clamping (Max) @ Ipp:
- 15.6V
- Current - Peak Pulse (10/1000µs):
- 38.5A
- 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)
P6SMB11AHM3/I FAQ
1.How can I place an order for P6SMB11AHM3/I through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB11AHM3/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 P6SMB11AHM3/I reliable?
The price and inventory of P6SMB11AHM3/I are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB11AHM3/I is usually 5 days.
3.What payment methods are accepted for P6SMB11AHM3/I?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB11AHM3/I transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB11AHM3/I?
P6SMB11AHM3/I orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB11AHM3/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 P6SMB11AHM3/I?
For technical support, including P6SMB11AHM3/I datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB11AHM3/I requirements.
6.How does Aetrix verify that P6SMB11AHM3/I is sourced from the original manufacturer or authorized distributors?
All P6SMB11AHM3/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 P6SMB11AHM3/I meets industry standards.
7.What is the process for return or replacement of P6SMB11AHM3/I?
All P6SMB11AHM3/I units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB11AHM3/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 P6SMB11AHM3/I part is unused and in its original packaging.
Return procedure for P6SMB11AHM3/I:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMB11AHM3/I Tags
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DESD3V3E1BL-7B
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Diodes Incorporated
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Diodes Incorporated
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