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Vishay General Semiconductor - Diodes Division P6SMB220AHM3_B/I
- Part No.:
- P6SMB220AHM3_B/I
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB220AHM3_B/I.pdf
- Description:
- 600W,220V 5%,UNIDIR,SMB TVS
- Quantity:
- Payment:
- Shipping:
Inventory:3,177
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Product details
Overview
P6SMB220AHM3_B/I from Vishay General Semiconductor is a unidirectional surface-mount Transient Voltage Suppressor (TVS) diode in the SMB (DO-214AA) package, rated for 220 V breakdown voltage (VBR = 209–231 V at 1.0 mA), 185 V stand-off voltage (VWM), and 328 V maximum clamping voltage (VC) at 1.8 A peak pulse current (IPPM). It delivers 600 W peak pulse power (10/1000 µs waveform), supports automotive-grade reliability via AEC-Q101 qualification, and protects MOSFETs and ICs against inductive switching transients in industrial power supplies.
For engineers reviewing the P6SMB220AHM3_B/I datasheet, P6SMB220AHM3_B/I pinout, P6SMB220AHM3_B/I application, or P6SMB220AHM3_B/I equivalent, key selection criteria include unidirectional polarity, 150 °C max junction temperature, halogen-free RoHS-compliant construction (HM3 suffix), MSL Level 1 moisture sensitivity, and compatibility with automated SMT placement on standard 0.2" × 0.2" copper pads.
Technical Context
This TVS diode operates as a clamping device that enters avalanche conduction when reverse voltage exceeds its VBR threshold, limiting transient energy to safe levels across protected circuit nodes. Its glass-passivated junction ensures stable breakdown characteristics and low leakage (<1.0 µA at VWM).
Designed for high-reliability environments, the P6SMB220AHM3_B/I features low incremental surge resistance, fast response time (<1.0 ns), and thermal resistance of 100 °C/W (junction-to-ambient) under standard PCB mounting conditions. It meets JESD201 Class 2 whisker resistance and is qualified per AEC-Q101 for automotive under-hood applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 209 V / 231 V at 1.0 mA - defines precise avalanche onset range for predictable clamping behavior |
| VWM | 185 V - maximum continuous reverse operating voltage before leakage rises above 1.0 µA |
| VC at IPPM | 328 V at 1.8 A - clamped voltage during 600 W transient, determining stress on downstream components |
| PPPM | 600 W (10/1000 µs waveform) - peak transient energy absorption capability without failure |
| TJ max | +150 °C - enables operation in under-hood automotive or high-ambient industrial environments |
| Package | SMB (DO-214AA) - standardized surface-mount outline with 0.220" × 0.205" footprint and 0.096" height |
| Qualification | AEC-Q101 qualified (HM3_B/I suffix) - validated for automotive electronics per stress test requirements |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, unidirectional polarity with cathode band marking. Dimensions: 5.59 mm × 5.21 mm × 2.44 mm (L × W × H); terminals are matte tin-plated, solderable per J-STD-002 and JESD22-B102.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry / Reverse voltage reference | Connected to lower-potential node (e.g., ground or return path) in unidirectional protection configuration |
| Cathode | Avalanche conduction terminal / Clamping output | Connected to protected line (e.g., 220 V rail); band-marked end conducts during overvoltage events |
Key Features
| Feature | Design Value |
|---|---|
| 600 W peak pulse power (10/1000 µs) | Enables robust suppression of high-energy transients common in industrial motor drives and power converters |
| AEC-Q101 qualified (HM3_B/I) | Validated for automotive under-hood use including engine control units and battery management systems |
| Halogen-free, RoHS-compliant | Meets environmental compliance mandates for global OEM production and industrial equipment certifications |
| MSL Level 1 (260 °C peak reflow) | Supports single-pass lead-free reflow assembly without preconditioning or baking requirements |
| Glass-passivated junction | Ensures stable VBR tolerance and low leakage drift over temperature and lifetime |
Applications
| Industrial Power Supply Protection | Automotive Engine Control Unit (ECU) |
|---|---|
|
Use Scenario: Suppresses load-dump and inductive kickback transients on 24 V DC input rails of programmable logic controllers and AC/DC front-ends. IC Role / Device Role / Timing Role: Unidirectional clamping TVS placed between input rail and chassis ground to limit voltage excursions below 330 V. Use Value: Prevents damage to upstream rectifiers and downstream DC-DC controllers by clamping 600 W surges within 1 ns. |
Use Scenario: Protects CAN transceiver inputs and microcontroller I/O pins from ISO 7637-2 Pulse 1/2a/5a transients in 12 V vehicle electrical systems. IC Role / Device Role / Timing Role: Standoff-rated TVS on sensor signal lines and power domains, leveraging 185 V VWM to avoid false triggering during normal operation. Use Value: Maintains system uptime by absorbing repetitive 100 V/500 ms pulses without degradation, validated per AEC-Q101. |
| Telecom Line Card Surge Protection | Renewable Energy Inverter DC Link |
|
Use Scenario: Shields Ethernet PHY interfaces and PoE injectors from lightning-induced surges on outdoor telecom cabinets. IC Role / Device Role / Timing Role: Secondary-level TVS on isolated DC bias rails, coordinated with primary GDTs to handle multi-stage surge waveforms. Use Value: Provides precise 328 V clamping to keep protected ASICs within absolute maximum ratings during combined fast/slow transients. |
Use Scenario: Safeguards IGBT gate drivers and bus voltage monitors in solar string inverters exposed to grid-switching transients. IC Role / Device Role / Timing Role: High-VWM TVS on 200–250 V DC link monitoring paths, preventing false overvoltage trips during normal commutation. Use Value: Enables reliable operation at 150 °C ambient with <1 µA leakage at 185 V, minimizing measurement error in precision sensing circuits. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ220AHE3_A/H | Same VBR range (209–231 V), but SMA package (smaller footprint, higher RθJA = 140 °C/W), non-AEC-Q101 | Limited to commercial-grade consumer/industrial boards with lower thermal density | Select when board space is constrained and automotive qualification is not required |
| 1.5SMC220AHE3_A/H | Higher PPPM (1500 W), DO-214AB package, same VBR/VWM, AEC-Q101 qualified | Supports higher-energy transients in heavy-duty industrial motor controls | Choose when system-level surge testing requires >600 W margin or larger pad thermal mass is available |
Compared with P6SMB220AHM3_B/I, SMAJ220AHE3_A/H trades automotive qualification and thermal performance for smaller size, while 1.5SMC220AHE3_A/H provides greater surge headroom at the cost of larger footprint and higher profile - both require layout review due to non-pin-compatible packages.
Availability
P6SMB220AHM3_B/I is available at Aetrix Electronics and suitable for industrial power supplies, automotive ECUs, telecom line cards, and renewable energy inverters requiring stable component supply, long-term lifecycle support, and AEC-Q101-compliant TVS protection.
Supply support for P6SMB220AHM3_B/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 designs and manufactures discrete semiconductors including diodes, rectifiers, and TVS devices, with emphasis on high-reliability, high-efficiency, and automotive-qualified components.
The P6SMB Series targets surface-mount transient suppression in space-constrained, thermally demanding applications - engineered for robust clamping, automated assembly, and compliance with automotive and industrial safety standards.
FAQ
What is the maximum clamping voltage of the P6SMB220AHM3_B/I under a 10/1000 µs transient?
The P6SMB220AHM3_B/I has a maximum clamping voltage (VC) of 328 V at 1.8 A peak pulse current (IPPM) under the standard 10/1000 µs waveform. This value is measured per Figure 1 in the Vishay datasheet 88370 and defines the upper voltage limit imposed on protected circuitry during surge events. The P6SMB220AHM3_B/I maintains this clamping performance across its specified operating temperature range and is validated for repetitive duty cycles up to 0.01 %.
Is the P6SMB220AHM3_B/I suitable for automotive applications?
Yes, the P6SMB220AHM3_B/I is AEC-Q101 qualified (denoted by the HM3_B/I suffix), making it suitable for automotive applications including engine control units, body electronics, and battery management systems. It undergoes stress testing for temperature cycling, humidity, mechanical shock, and high-temperature operating life per AEC-Q101 requirements. The P6SMB220AHM3_B/I also meets JESD201 Class 2 whisker resistance and MSL Level 1 reflow compatibility.
What does the "HM3_B/I" suffix indicate in P6SMB220AHM3_B/I?
The "HM3" portion indicates halogen-free, RoHS-compliant construction with matte tin-plated leads; "B" denotes AEC-Q101 qualification for the 6.8 V to 220 V unidirectional/bidirectional range; "I" specifies packaging in 13-inch diameter plastic tape and reel (3200 units per reel). This full suffix confirms the P6SMB220AHM3_B/I meets automotive reliability standards, environmental compliance, and automated assembly requirements - distinct from commercial-grade E3 or M3 variants.
How does the P6SMB220AHM3_B/I compare to bidirectional TVS diodes like P6SMB220CA?
The P6SMB220AHM3_B/I is unidirectional and features a cathode band for polarity identification, whereas P6SMB220CA is bidirectional with no polarity marking and symmetric breakdown in both directions. The P6SMB220AHM3_B/I offers 185 V VWM and 328 V VC, while P6SMB220CA has lower VWM (185 V) and VC (328 V) but supports AC-coupled or floating-line protection. Use P6SMB220AHM3_B/I for DC rail clamping where polarity is fixed; choose P6SMB220CA only when bidirectional surge immunity is required.
What is the thermal resistance and recommended PCB layout for optimal performance of the P6SMB220AHM3_B/I?
The P6SMB220AHM3_B/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, as defined in the Vishay datasheet. To achieve this rating, the PCB must use minimum recommended pad dimensions (0.220" × 0.205"), avoid thermal reliefs on pads, and ensure solid copper pour connectivity. Derating applies above 25 °C ambient - the P6SMB220AHM3_B/I supports full 600 W pulse power only at TA ≤ 25 °C.
P6SMB220AHM3_B/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:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 185V
- Voltage - Breakdown (Min):
- 209V
- Voltage - Clamping (Max) @ Ipp:
- 328V
- Current - Peak Pulse (10/1000µs):
- 1.8A
- 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)
P6SMB220AHM3_B/I FAQ
1.How can I place an order for P6SMB220AHM3_B/I through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB220AHM3_B/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 P6SMB220AHM3_B/I reliable?
The price and inventory of P6SMB220AHM3_B/I are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB220AHM3_B/I is usually 5 days.
3.What payment methods are accepted for P6SMB220AHM3_B/I?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB220AHM3_B/I transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB220AHM3_B/I?
P6SMB220AHM3_B/I orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB220AHM3_B/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 P6SMB220AHM3_B/I?
For technical support, including P6SMB220AHM3_B/I datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB220AHM3_B/I requirements.
6.How does Aetrix verify that P6SMB220AHM3_B/I is sourced from the original manufacturer or authorized distributors?
All P6SMB220AHM3_B/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 P6SMB220AHM3_B/I meets industry standards.
7.What is the process for return or replacement of P6SMB220AHM3_B/I?
All P6SMB220AHM3_B/I units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB220AHM3_B/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 P6SMB220AHM3_B/I part is unused and in its original packaging.
Return procedure for P6SMB220AHM3_B/I:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMB220AHM3_B/I Tags
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