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Vishay General Semiconductor - Diodes Division SM6T6V8AHE3_B/H
- Part No.:
- SM6T6V8AHE3_B/H
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
SM6T6V8AHE3_B/H.pdf
- Description:
- 600W,6.8V 5%,UNIDIR,SMB TVS
- Quantity:
- Payment:
- Shipping:
Inventory:4,489
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Product details
Overview
SM6T6V8AHE3_B/H from Vishay General Semiconductor is a unidirectional transient voltage suppressor (TVS) diode in SMB (DO-214AA) package, designed for clamping ESD and surge transients on power/signal lines. It features 6.45 V minimum breakdown voltage (VBR), 5.80 V stand-off voltage (VWM), 10.5 V maximum clamping voltage (VC) at 57 A peak pulse current, and 600 W peak pulse power rating with 10/1000 μs waveform.
For engineers reviewing the SM6T6V8AHE3_B/H datasheet, SM6T6V8AHE3_B/H pinout, SM6T6V8AHE3_B/H application, or SM6T6V8AHE3_B/H equivalent, key selection criteria include clamping performance under automotive-level surge stress, AEC-Q101 qualification status, unidirectional polarity marking, thermal resistance (RθJA = 100 °C/W), and compatibility with automated SMT placement on standard PCB pad layouts.
Technical Context
This TVS diode operates as a voltage-clamping protection device in series with sensitive downstream circuitry, conducting only when reverse voltage exceeds its breakdown threshold. Its glass-passivated junction ensures stable leakage and robust surge handling, while low-inductance SMB packaging supports fast response to sub-microsecond transients.
The device is rated for -65 °C to +150 °C operating junction temperature, meets MSL Level 1 per J-STD-020, and is qualified to AEC-Q101 - confirming suitability for automotive electronics where reliability under thermal cycling and mechanical shock is critical.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min) | 6.45 V - Ensures reliable conduction onset above normal operating voltage of 5.80 V systems |
| VWM | 5.80 V - Maximum continuous reverse voltage before leakage exceeds 1000 μA |
| VC @ IPPM | 10.5 V at 57 A - Clamps 10/1000 μs surges to safe levels for 5 V logic or power rails |
| PPPM | 600 W - Withstands ISO 7637-2 Pulse 1/2a/5a and IEC 61000-4-5 Level 3 surges |
| TJ max | +150 °C - Enables operation in under-hood automotive environments without derating |
| RθJA | 100 °C/W - Requires minimal copper area (0.2" × 0.2") for thermal management |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, unidirectional polarity marked by cathode band. Matte tin-plated leads, RoHS-compliant and AEC-Q101 qualified.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Cathode (banded end) | Transient current sink | Connects to protected line; conducts surge current to ground when VREV > VBR |
| Anode | Reference node | Typically connected to system ground or low-impedance return path for clamping loop |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive-grade reliability including temperature cycling, humidity bias, and mechanical shock |
| Glass passivated junction | Reduces parameter drift over time and improves long-term stability of VBR and leakage |
| Low inductance SMB package | Minimizes voltage overshoot during fast-rising transients (<1 ns rise time) |
| 600 W peak pulse power | Supports repeated surge events per ISO 16750-2 without degradation |
Applications
| Automotive Power Rail Protection | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: Protecting 5 V supply lines in body control modules against load dump and inductive switching spikes. IC Role / Device Role / Timing Role: Unidirectional clamping diode placed between battery rail and LDO input. Use Value: Limits transient voltage to ≤10.5 V, preventing damage to downstream 5 V regulators and microcontrollers. | Use Scenario: Safeguarding analog outputs of pressure/temperature sensors in factory automation PLCs. IC Role / Device Role / Timing Role: Reverse-polarity and surge protector on 4–20 mA current loop output stage. Use Value: Maintains signal integrity by clamping ESD events up to ±15 kV (IEC 61000-4-2) without latch-up. |
| Consumer USB Port ESD Protection | Telecom DC Power Input Protection |
Use Scenario: Secondary-level ESD protection on VBUS line of USB 2.0 host ports in set-top boxes. IC Role / Device Role / Timing Role: Standoff voltage (5.80 V) aligns with USB 2.0 VBUS tolerance; clamps fast ESD pulses. Use Value: Adds robustness beyond internal IC ESD structures, meeting IEC 61000-4-2 Level 4 (±15 kV air). | Use Scenario: Surge suppression on -48 V DC telecom power inputs exposed to lightning-induced surges. IC Role / Device Role / Timing Role: Paired with higher-voltage TVS in series configuration to distribute clamping energy. Use Value: Handles 600 W peak pulse power, enabling coordination with upstream MOVs for staged protection. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ6.0A | Lower PPPM (400 W), same SMB package, VWM = 6.0 V, VC = 10.3 V @ 38.8 A | Limited to lower-energy transients; not AEC-Q101 qualified | Select when cost sensitivity outweighs automotive qualification and 600 W surge margin |
| 1.5SMC6.8A | Higher PPPM (1500 W), larger SMC (DO-214AB) package, VWM = 5.8 V, VC = 10.5 V @ 143 A | Requires larger PCB footprint; better for high-repetition surge environments | Choose when system-level surge testing exceeds ISO 7637-2 Pulse 5a requirements |
Compared with SMAJ6.0A and 1.5SMC6.8A, SM6T6V8AHE3_B/H delivers AEC-Q101 compliance in a compact SMB footprint with balanced 600 W capability - making it optimal for space-constrained automotive and industrial designs requiring certified reliability without layout redesign.
Availability
SM6T6V8AHE3_B/H is available at Aetrix Electronics and suitable for automotive ECUs, industrial sensor interfaces, consumer USB power delivery, and telecom DC input protection requiring stable component supply and full traceability.
Supply support for SM6T6V8AHE3_B/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 and automotive-grade qualification.
The SM6T Series is engineered specifically for board-level transient suppression in harsh environments, targeting automotive, industrial, and telecom applications where AEC-Q101 compliance and repeatable clamping performance are mandatory.
FAQ
What is the clamping voltage of SM6T6V8AHE3_B/H at its rated peak pulse current?
The SM6T6V8AHE3_B/H has a maximum clamping voltage (VC) of 10.5 V at 57 A peak pulse current (IPPM) with a 10/1000 μs waveform. This value is measured under standardized test conditions per JEDEC standards and ensures predictable voltage limiting during surge events. The low clamping level protects 5 V logic and power circuits downstream of SM6T6V8AHE3_B/H without overstressing components.
Is SM6T6V8AHE3_B/H qualified for automotive applications?
Yes, SM6T6V8AHE3_B/H is AEC-Q101 qualified, as confirmed by Vishay's ordering code suffix "HE3" and documentation in datasheet 88385. This qualification covers stress tests including temperature cycling, high-temperature operating life, and mechanical shock - validating SM6T6V8AHE3_B/H for use in engine control units, body electronics, and ADAS subsystems.
What does the "_B/H" suffix in SM6T6V8AHE3_B/H indicate?
The "_B/H" suffix in SM6T6V8AHE3_B/H specifies packaging and reel configuration: "B" denotes the revision code (Revision B per Vishay's internal tracking), and "H" indicates 7-inch diameter plastic tape-and-reel packaging with 750 units per reel. This matches Vishay's preferred package code H in the Ordering Information table of datasheet 88385.
How does SM6T6V8AHE3_B/H differ from bidirectional variants like SM6T6V8CA?
SM6T6V8AHE3_B/H is unidirectional, with polarity marked by a cathode band and intended for DC line protection where reverse conduction must be blocked. In contrast, SM6T6V8CA is bidirectional, lacks polarity marking, and clamps transients in both directions - suitable for AC signal lines or differential buses. Electrical characteristics (VBR, VC, PPPM) are identical, but circuit integration differs fundamentally.
What is the maximum reverse leakage current for SM6T6V8AHE3_B/H at its stand-off voltage?
At the stand-off voltage (VWM) of 5.80 V, SM6T6V8AHE3_B/H exhibits a maximum reverse leakage current (ID) of 1000 μA at TA = 25 °C. This low leakage ensures minimal power loss in standby mode and avoids false triggering in low-power sensor or battery-operated circuits using SM6T6V8AHE3_B/H.
SM6T6V8AHE3_B/H Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AA, SMB
- Series:
- SM6T, TransZorb®
- Packaging:
- Bulk
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 5.8V
- Voltage - Breakdown (Min):
- 6.45V
- Voltage - Clamping (Max) @ Ipp:
- 10.5V
- Current - Peak Pulse (10/1000µs):
- 57A
- 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)
SM6T6V8AHE3_B/H FAQ
1.How can I place an order for SM6T6V8AHE3_B/H through Aetrix?
Please submit a Request for Quotation (RFQ) for SM6T6V8AHE3_B/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 SM6T6V8AHE3_B/H reliable?
The price and inventory of SM6T6V8AHE3_B/H are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SM6T6V8AHE3_B/H is usually 5 days.
3.What payment methods are accepted for SM6T6V8AHE3_B/H?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SM6T6V8AHE3_B/H transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SM6T6V8AHE3_B/H?
SM6T6V8AHE3_B/H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SM6T6V8AHE3_B/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 SM6T6V8AHE3_B/H?
For technical support, including SM6T6V8AHE3_B/H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SM6T6V8AHE3_B/H requirements.
6.How does Aetrix verify that SM6T6V8AHE3_B/H is sourced from the original manufacturer or authorized distributors?
All SM6T6V8AHE3_B/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 SM6T6V8AHE3_B/H meets industry standards.
7.What is the process for return or replacement of SM6T6V8AHE3_B/H?
All SM6T6V8AHE3_B/H units undergo pre-shipment inspection (PSI). If there is an issue with SM6T6V8AHE3_B/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 SM6T6V8AHE3_B/H part is unused and in its original packaging.
Return procedure for SM6T6V8AHE3_B/H:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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