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Vishay General Semiconductor - Diodes Division SM6T220AHE3_A/I
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- Part No.:
- SM6T220AHE3_A/I
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
SM6T220AHE3_A/I.pdf
- Description:
- TVS DIODE 188VWM 328VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:4,915
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Product details
Overview
SM6T220AHE3_A/I from Vishay General Semiconductor is a unidirectional transient voltage suppressor (TVS) diode in SMB (DO-214AA) package, rated for 220 V breakdown voltage (VBR), 328 V maximum clamping voltage (VC) at 2.0 A IPPM, 600 W peak pulse power (10/1000 μs), and AEC-Q101 qualified for automotive use. It protects MOSFETs and sensor signal lines against inductive switching transients in engine control units.
For engineers reviewing the SM6T220AHE3_A/I datasheet, SM6T220AHE3_A/I pinout, SM6T220AHE3_A/I application, or SM6T220AHE3_A/I equivalent, key selection criteria include clamping performance under 10/1000 μs surge, unidirectional polarity with cathode band marking, AEC-Q101 qualification status, and SMB package thermal resistance (RθJA = 100 °C/W).
Technical Context
This TVS diode operates as a unidirectional clamping device, leveraging an avalanche breakdown mechanism to limit transient overvoltages before they damage downstream ICs or power switches. Its 220 V VBR (min/max 209–231 V at 1.0 mA) and 328 V VC (at 2.0 A, 10/1000 μs) define its protection window for high-voltage automotive subsystems.
Designed for surface-mount assembly on 0.2" × 0.2" copper pads, it delivers 600 W peak pulse power dissipation with low inductance and meets J-STD-020 MSL Level 1 (260 °C reflow peak). The matte tin-plated SMB terminals ensure solderability per JESD 22-B102 and J-STD-002.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 209 V / 231 V at 1.0 mA - defines precise avalanche initiation threshold for reliable overvoltage triggering |
| VWM | 188 V - maximum continuous reverse stand-off voltage before leakage exceeds 1.0 μA |
| VC @ IPPM | 328 V at 2.0 A (10/1000 μs) - clamping voltage limiting stress on protected circuit during surge |
| PPPM | 600 W - peak pulse power handling capability under standardized 10/1000 μs waveform |
| TJ max. | +150 °C - maximum junction temperature enabling operation in under-hood automotive environments |
| RθJA | 100 °C/W - thermal resistance from junction to ambient, critical for derating above 25 °C ambient |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, low-profile case with matte tin-plated leads; cathode indicated by band marking on unidirectional devices.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry terminal in forward bias; connected to system ground or low-side reference | Provides return path for surge current during clamping; must be routed with low-inductance trace to ground plane |
| Cathode | Current exit terminal in forward bias; marked with band; connected to protected line | Accepts transient energy from protected node (e.g., CAN bus line or sensor supply); polarity-critical for unidirectional operation |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD testing per stress test conditions |
| Glass passivated junction | Enhances long-term stability and moisture resistance in harsh under-hood environments |
| 600 W peak pulse power (10/1000 μs) | Supports robust protection against ISO 7637-2 Pulse 1/2a/5a transients in 12 V/24 V vehicle systems |
| Low inductance SMB package | Minimizes voltage overshoot during fast-rising transients (e.g., load dump events), improving clamping fidelity |
| MSL Level 1 (260 °C) | Enables single-pass lead-free reflow without popcorn cracking or delamination risk |
Applications
| Engine Control Unit (ECU) Power Input Protection | Automotive CAN Bus Line Protection |
|---|---|
Use Scenario: Protects 12 V supply rail of engine control modules from load dump transients up to ±120 V. IC Role / Device Role / Timing Role: Unidirectional TVS clamping device placed between battery input and DC/DC converter input stage. Use Value: Limits voltage to ≤328 V during 600 W surges, preventing overvoltage failure of upstream regulators and microcontrollers. | Use Scenario: Shields high-speed CAN FD transceivers from ESD and coupled noise on differential bus lines. IC Role / Device Role / Timing Role: Bidirectional-capable clamping element (used in unidirectional configuration with ground-referenced placement). Use Value: Clamps fast transients (<1 ns rise time) while maintaining <1.0 μA leakage at 188 V, preserving bus signal integrity. |
| Body Control Module (BCM) Sensor Interface | Electric Power Steering (EPS) Motor Driver Protection |
Use Scenario: Guards analog inputs of Hall-effect and temperature sensors against inductive kickback from solenoid actuation. IC Role / Device Role / Timing Role: Low-leakage (≤1.0 μA) standoff protector placed directly at connector interface. Use Value: Maintains signal accuracy with minimal loading while responding within nanoseconds to 10/1000 μs surges. | Use Scenario: Safeguards gate drivers and half-bridge MOSFETs from voltage spikes generated during motor commutation. IC Role / Device Role / Timing Role: High-energy clamping device mounted near power stage with short PCB traces to minimize inductance. Use Value: Absorbs 2.0 A transient current at 328 V clamping, preventing gate oxide rupture and shoot-through failures. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ220A-E3/5B | Same VBR (209–231 V), lower PPPM (400 W), SMA package (higher RθJA = 140 °C/W) | Not AEC-Q101 qualified; suitable for commercial industrial use only | Select when cost sensitivity outweighs automotive qualification and thermal margin requirements |
| 1.5SMC220A | Same VBR, higher PPPM (1500 W), larger SMC package (RθJA = 60 °C/W), no AEC-Q101 grade available | Requires more PCB area; used where higher surge margin justifies footprint increase | Choose for non-automotive systems needing >600 W surge headroom and better thermal performance |
Compared with SMAJ220A-E3/5B and 1.5SMC220A, SM6T220AHE3_A/I uniquely combines AEC-Q101 qualification, SMB footprint efficiency, and 600 W capability-making it optimal for space-constrained automotive ECUs where reliability and reflow compatibility are mandatory.
Availability
SM6T220AHE3_A/I is available at Aetrix Electronics and suitable for engine control units, body control modules, electric power steering systems, and automotive sensor interfaces requiring stable component supply across extended temperature ranges and automotive lifecycle demands.
Supply support for SM6T220AHE3_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, MOSFETs, and protection devices with emphasis on reliability, precision, and automotive-grade validation.
The SM6T Series is engineered specifically for automotive and industrial transient suppression, delivering AEC-Q101-qualified TVS diodes in compact SMB packages optimized for high-power clamping and automated SMT assembly.
FAQ
What is the breakdown voltage tolerance for SM6T220AHE3_A/I?
The SM6T220AHE3_A/I has a specified breakdown voltage range of 209 V to 231 V at 1.0 mA test current, representing a ±5% tolerance around the nominal 220 V rating. This tight VBR distribution ensures consistent clamping behavior across production lots and supports predictable protection design in automotive power rails. The value is measured per JEDEC standard test conditions and confirmed in Vishay's official datasheet revision 09-Jan-2024.
Is SM6T220AHE3_A/I suitable for bidirectional transient suppression?
No, SM6T220AHE3_A/I is a unidirectional TVS diode, identified by the "A" suffix and cathode band marking. For bidirectional operation, Vishay specifies the "CA" suffix (e.g., SM6T220CA). Using SM6T220AHE3_A/I in bidirectional configurations risks reverse conduction failure during negative transients. Always verify polarity alignment in schematic and layout when deploying SM6T220AHE3_A/I.
Does SM6T220AHE3_A/I meet RoHS and halogen-free requirements?
Yes, SM6T220AHE3_A/I is RoHS-compliant and AEC-Q101 qualified, as indicated by the "HE3" suffix. It uses halogen-free molding compound and matte tin-plated leads compliant with JESD 201 Class 2 whisker resistance. The "_A/I" ordering code denotes 13-inch tape-and-reel packaging. Full compliance documentation is available in Vishay's material declaration files referenced under doc# 99912.
What is the maximum clamping voltage of SM6T220AHE3_A/I under a 10/1000 μs surge?
The maximum clamping voltage (VC) of SM6T220AHE3_A/I is 328 V when subjected to a 10/1000 μs waveform at 2.0 A peak pulse current (IPPM). This value is measured under standardized test conditions per IEC 61000-4-5 and defines the upper voltage limit imposed on protected circuitry during surge events. It is a guaranteed parameter in the Vishay SM6T220AHE3_A/I datasheet.
Can SM6T220AHE3_A/I be used in non-automotive applications?
Yes, SM6T220AHE3_A/I is fully functional in industrial, telecom, and consumer applications requiring 220 V standoff and 600 W surge protection. Its AEC-Q101 qualification provides enhanced reliability margins, though non-automotive users may opt for cost-optimized alternatives like SMAJ220A-E3/5B if qualification is unnecessary. Thermal and electrical specs remain identical regardless of end-use domain.
SM6T220AHE3_A/I Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AA, SMB
- Series:
- SM6T, TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 188V
- Voltage - Breakdown (Min):
- 209V
- Voltage - Clamping (Max) @ Ipp:
- 328V
- Current - Peak Pulse (10/1000µs):
- 2A
- Power - Peak Pulse:
- 600W
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMBJ)
SM6T220AHE3_A/I FAQ
1.How can I place an order for SM6T220AHE3_A/I through Aetrix?
Please submit a Request for Quotation (RFQ) for SM6T220AHE3_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 SM6T220AHE3_A/I reliable?
The price and inventory of SM6T220AHE3_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 SM6T220AHE3_A/I is usually 5 days.
3.What payment methods are accepted for SM6T220AHE3_A/I?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SM6T220AHE3_A/I transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SM6T220AHE3_A/I?
SM6T220AHE3_A/I orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SM6T220AHE3_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 SM6T220AHE3_A/I?
For technical support, including SM6T220AHE3_A/I datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SM6T220AHE3_A/I requirements.
6.How does Aetrix verify that SM6T220AHE3_A/I is sourced from the original manufacturer or authorized distributors?
All SM6T220AHE3_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 SM6T220AHE3_A/I meets industry standards.
7.What is the process for return or replacement of SM6T220AHE3_A/I?
All SM6T220AHE3_A/I units undergo pre-shipment inspection (PSI). If there is an issue with SM6T220AHE3_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 SM6T220AHE3_A/I part is unused and in its original packaging.
Return procedure for SM6T220AHE3_A/I:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SM6T220AHE3_A/I Tags
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