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Vishay General Semiconductor - Diodes Division P6SMB220AHM3/H
- Part No.:
- P6SMB220AHM3/H
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB220AHM3/H.pdf
- Description:
- TVS DIODE 185VWM 328VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:8,522
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Product details
Overview
P6SMB220AHM3/H from Vishay General Semiconductor is a unidirectional surface-mount Transient Voltage Suppressor (TVS) diode in SMB (DO-214AA) package, designed for clamping voltage transients on power and signal lines. It features 220 V standoff voltage (VWM), 231 V minimum breakdown voltage (VBR), 328 V maximum clamping voltage (VC) at 1.8 A peak pulse current (IPPM), and 600 W peak pulse power (PPPM) with 10/1000 μs waveform - deployed in automotive power supply protection and industrial sensor interface circuits.
For engineers reviewing the P6SMB220AHM3/H datasheet, P6SMB220AHM3/H pinout, P6SMB220AHM3/H application, or P6SMB220AHM3/H equivalent, key selection criteria include clamping voltage margin vs. system rail, unidirectional polarity alignment with DC bias, AEC-Q101 qualification status, thermal resistance (RθJA = 100 °C/W), and compatibility with automated SMT placement on 0.2" × 0.2" copper pads.
Technical Context
This TVS diode operates as a unidirectional clamping device: reverse-biased during normal operation, it remains high-impedance until transient overvoltage exceeds VBR (209–231 V), then avalanches to limit voltage across protected circuitry. Its glass-passivated junction ensures stable breakdown and low leakage (<1.0 μA at VWM).
Designed for repetitive surge suppression per IEC 61000-4-5 (10/1000 μs), it delivers 600 W peak pulse power with 0.01% duty cycle, and supports 100 A non-repetitive forward surge (IFSM) - critical for inductive load switching events in 24 V/48 V automotive subsystems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off Voltage) | 185 V - maximum continuous reverse voltage before significant leakage; sets upper limit for protected line operating voltage. |
| VBR (Breakdown Voltage) | 209–231 V at 1.0 mA test current - defines precise avalanche initiation threshold under controlled conditions. |
| VC (Clamping Voltage) | 328 V at IPPM = 1.8 A - peak voltage seen by downstream ICs during worst-case transient; determines required voltage margin. |
| PPPM (Peak Pulse Power) | 600 W with 10/1000 μs waveform - quantifies transient energy absorption capability without failure. |
| RθJA | 100 °C/W - junction-to-ambient thermal resistance on standard 0.2" × 0.2" pads; governs derating above 25 °C ambient. |
| TJ max. | 150 °C - maximum allowable junction temperature; enables operation in under-hood automotive environments. |
| AEC-Q101 Qualified | Yes - qualified for automotive applications per stress test requirements including HTOL, TCT, and ESD. |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, halogen-free, RoHS-compliant, matte tin-plated leads. Cathode indicated by band; anode is unmarked end.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Cathode (banded end) | Transient current sink node | Connected to protected line; conducts avalanche current to ground during overvoltage event. |
| Anode (unbanded end) | Reference/return path | Typically tied to system ground or low-impedance return; completes clamping current path. |
Key Features
| Feature | Design Value |
|---|---|
| 600 W peak pulse power (10/1000 μs) | Enables robust protection against IEC 61000-4-5 Level 4 surges without derating in compact SMB footprint. |
| AEC-Q101 qualified (HM3 suffix) | Validated for automotive powertrain and body electronics where reliability under thermal cycling and vibration is mandatory. |
| Low incremental surge resistance | Minimizes voltage overshoot during fast-rising transients (e.g., load dump), improving clamping precision. |
| MSL Level 1 (260 °C peak reflow) | Supports lead-free soldering without moisture sensitivity concerns; no baking required prior to assembly. |
| Glass passivated junction | Ensures stable VBR over lifetime and temperature, with <1.0 μA leakage at 185 V - critical for low-power sensor rails. |
Applications
| Automotive Power Supply Protection | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: Protecting 24 V CAN bus power rails from load dump transients up to 60 V and ISO 7637-2 pulses. IC Role / Device Role / Timing Role: Unidirectional clamping TVS placed between VBAT and GND, upstream of DC-DC converter input. Use Value: Limits transient voltage to ≤328 V, preserving downstream regulator integrity and meeting OEM EMC requirements. |
Use Scenario: Safeguarding analog output lines (e.g., 4–20 mA current loop) in factory automation sensors exposed to ESD and inductive coupling. IC Role / Device Role / Timing Role: Reverse-biased TVS on signal line to ground, absorbing ±8 kV contact ESD per IEC 61000-4-2. Use Value: Clamps ESD-induced voltage within 1 ns, preventing latch-up or damage to precision op-amps and ADC front-ends. |
| Telecom Line Card Surge Protection | Consumer Appliance Motor Drive Protection |
Use Scenario: Shielding Ethernet PHY power pins (3.3 V/5 V) from lightning-induced surges on PoE-powered equipment. IC Role / Device Role / Timing Role: Secondary-level TVS on DC bias rail, coordinated with primary gas discharge tube (GDT) stage. Use Value: Provides low-clamp secondary protection with 328 V VC, ensuring safe operation below IC absolute maximum ratings. |
Use Scenario: Suppressing flyback voltage spikes from brushed DC motors in smart home appliances (e.g., vacuum cleaners, blenders). IC Role / Device Role / Timing Role: Unidirectional TVS across motor terminals, referenced to chassis ground. Use Value: Absorbs 600 W inductive kick energy, eliminating arcing and extending switch/MOSFET lifetime. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ220A-E3/5B | Same VWM/VBR/VC specs; SMA package (DO-214AC), higher RθJA (140 °C/W), non-AEC-Q101. | Limited to commercial-grade industrial or consumer use; not suitable for automotive under-hood deployment. | Select when cost or legacy board layout favors SMA; verify thermal margin with reduced power derating. |
| 1.5SMC220AHE3_A/H | Same electrical specs; SMC (DO-214AB) package, larger footprint, lower RθJA (70 °C/W), AEC-Q101 qualified. | Better thermal performance for high-duty-cycle surges; requires PCB real estate increase (~30% larger than SMB). | Prefer for thermally constrained automotive modules needing extended surge endurance beyond single-event rating. |
Compared with P6SMB220AHM3/H, SMAJ220A-E3/5B offers identical clamping but lacks automotive qualification and has inferior thermal performance, while 1.5SMC220AHE3_A/H provides superior thermal management in a larger package - making P6SMB220AHM3/H the optimal balance of AEC-Q101 compliance, SMB space efficiency, and 600 W surge capability.
Availability
P6SMB220AHM3/H is available at Aetrix Electronics and suitable for automotive power supply protection, industrial sensor interface protection, telecom line card surge protection, and consumer appliance motor drive protection requiring stable component supply and AEC-Q101 assurance.
Supply support for P6SMB220AHM3/H 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, power efficiency, and automotive-grade validation.
The P6SMB Series targets high-energy transient suppression in space-constrained applications, combining 600 W pulse capability with AEC-Q101 qualification and surface-mount scalability for automotive, industrial, and telecom systems.
FAQ
What is the clamping voltage of P6SMB220AHM3/H at its rated peak pulse current?
The P6SMB220AHM3/H has a maximum clamping voltage (VC) of 328 V at 1.8 A peak pulse current (IPPM), measured using the standardized 10/1000 μs waveform. This value defines the highest voltage imposed on protected circuitry during a full-rated transient event and must be compared directly against the absolute maximum ratings of downstream components to ensure safe operation. The P6SMB220AHM3/H maintains this clamping performance across its qualified temperature range (−65 °C to +150 °C).
Is P6SMB220AHM3/H qualified for automotive applications?
Yes, P6SMB220AHM3/H is AEC-Q101 qualified, as confirmed by the "HM3" suffix and Vishay documentation. It meets stress test requirements including high-temperature operating life (HTOL), temperature cycling (TCT), and human-body-model ESD (HBM). This qualification validates its suitability for automotive powertrain, body control, and ADAS subsystems where long-term reliability under thermal and mechanical stress is mandatory. The P6SMB220AHM3/H is specifically intended for under-hood and cabin-mounted electronics.
What is the standoff voltage (VWM) rating for P6SMB220AHM3/H?
The standoff voltage (VWM) for P6SMB220AHM3/H is 185 V - the maximum DC or continuous reverse voltage the device can withstand without exceeding specified leakage current (≤1.0 μA). This rating ensures minimal power loss and no unintended conduction during normal operation. Engineers must select VWM ≥1.1× nominal system voltage (e.g., ≥203 V for a 185 V rail) to accommodate tolerances and ripple; P6SMB220AHM3/H is therefore appropriate for 180–200 V DC systems such as 48 V automotive architectures or industrial HVDC links.
How does the SMB package of P6SMB220AHM3/H affect thermal performance?
The SMB (DO-214AA) package of P6SMB220AHM3/H delivers a typical junction-to-ambient thermal resistance (RθJA) of 100 °C/W when mounted on 0.2" × 0.2" copper pads per Vishay's recommended layout. This value dictates power derating above 25 °C ambient: at 85 °C ambient, maximum allowable dissipation drops to ~3.0 W. The compact SMB footprint supports high-density layouts but requires adherence to pad geometry and copper area to maintain rated 600 W pulse capability - undersized pads will elevate junction temperature and risk thermal runaway during repetitive surges.
What is the peak pulse current (IPPM) rating for P6SMB220AHM3/H?
The peak pulse current (IPPM) for P6SMB220AHM3/H is 1.8 A, derived from its 600 W peak pulse power rating and 328 V clamping voltage (IPPM = PPPM / VC). This value is measured using the industry-standard 10/1000 μs double-exponential waveform and represents the maximum transient current the device safely diverts during a single event. The P6SMB220AHM3/H sustains this current without parametric shift or failure, provided PCB layout follows Vishay's thermal guidelines and surge repetition rate remains ≤0.01% duty cycle.
P6SMB220AHM3/H 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):
- 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/H FAQ
1.How can I place an order for P6SMB220AHM3/H through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB220AHM3/H 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/H reliable?
The price and inventory of P6SMB220AHM3/H are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB220AHM3/H is usually 5 days.
3.What payment methods are accepted for P6SMB220AHM3/H?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB220AHM3/H transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB220AHM3/H?
P6SMB220AHM3/H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB220AHM3/H 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/H?
For technical support, including P6SMB220AHM3/H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB220AHM3/H requirements.
6.How does Aetrix verify that P6SMB220AHM3/H is sourced from the original manufacturer or authorized distributors?
All P6SMB220AHM3/H 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/H meets industry standards.
7.What is the process for return or replacement of P6SMB220AHM3/H?
All P6SMB220AHM3/H units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB220AHM3/H, 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/H part is unused and in its original packaging.
Return procedure for P6SMB220AHM3/H:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMB220AHM3/H Tags
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