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Vishay General Semiconductor - Diodes Division SM6T150AHE3/5B
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- Part No.:
- SM6T150AHE3/5B
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
SM6T150AHE3/5B.pdf
- Description:
- TVS DIODE 128VWM 207VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:7,590
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Product details
Overview
SM6T150AHE3/5B from Vishay General Semiconductor is a unidirectional surface-mount TRANSZORB® transient voltage suppressor in SMB (DO-214AA) package, rated for 150 V standoff voltage (VWM), 207 V clamping voltage (VC) at 2.9 A peak pulse current, and 600 W peak pulse power with 10/1000 μs waveform. It protects MOSFETs and ICs against inductive switching transients in automotive powertrain control modules.
For engineers reviewing the SM6T150AHE3/5B datasheet, SM6T150AHE3/5B pinout, SM6T150AHE3/5B application, or SM6T150AHE3/5B equivalent, key selection criteria include unidirectional polarity, AEC-Q101 qualification, 150 °C max junction temperature, low-inductance SMB package, and compliance with J-STD-020 MSL level 1.
Technical Context
The SM6T150AHE3/5B employs a glass-passivated silicon junction to achieve stable breakdown behavior and low leakage (<1.0 μA at 128 V). Its clamping performance is characterized under standardized 10/1000 μs and 8/20 μs waveforms, with thermal resistance RθJA = 100 °C/W and RθJL = 20 °C/W.
Designed for high-reliability automotive applications, it meets AEC-Q101 stress test requirements and features matte tin-plated leads compliant with JESD 22-B102 and J-STD-002. The cathode band denotes polarity, and the device operates across -65 °C to +150 °C junction temperature range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 128 V - Maximum reverse stand-off voltage before conduction begins; defines operating margin below clamping threshold |
| VBR min/max | 143 V / 158 V at 1.0 mA - Verified breakdown range ensures predictable turn-on across production lot |
| VC @ IPPM | 207 V at 2.9 A (10/1000 μs) - Clamping voltage limits downstream voltage stress during surge events |
| PPPM | 600 W - Peak pulse power handling capacity per single transient event per JEDEC standard |
| TJ max | +150 °C - Enables use in under-hood automotive environments without derating penalties |
| Package | SMB (DO-214AA) - Low-profile surface-mount outline compatible with automated SMT assembly and IPC-7351B land patterns |
| AEC-Q101 | Qualified - Validated for automotive-grade reliability including HTOL, TC, UHAST, and bond wire pull tests |
Pinout & Package
SMB (DO-214AA) package with cathode band marking on unidirectional devices; matte tin-plated leads; 0.2" × 0.2" copper pad layout recommended per datasheet fig. 2.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry point during forward conduction | Connected to ground or low-side reference in unidirectional TVS configurations |
| Cathode | Current exit point during reverse-biased clamping | Connected to protected line (e.g., battery rail, sensor supply); band identifies this terminal |
Key Features
| Feature | Design Value |
|---|---|
| 600 W peak pulse power | Handles high-energy transients from load dump or inductive kick without failure |
| Glass passivated junction | Ensures long-term stability of VBR and low leakage drift over temperature and life |
| MSL Level 1 (260 °C) | Supports lead-free reflow without popcorn cracking or delamination |
| AEC-Q101 qualification | Validates suitability for automotive powertrain, body electronics, and ADAS subsystems |
| Low inductance design | Minimizes voltage overshoot during fast-rising transients (e.g., ISO 7637-2 Pulse 1/2a/5a) |
Applications
| Automotive Powertrain Control | Industrial Motor Drive Protection |
|---|---|
Use Scenario: Suppresses load dump transients on 12 V battery rails feeding engine control units (ECUs). IC Role / Device Role / Timing Role: Unidirectional TVS placed between battery input and DC-DC converter input stage. Use Value: Limits clamped voltage to 207 V, preventing damage to 36 V-rated input capacitors and LDOs. |
Use Scenario: Protects gate drivers and current-sense amplifiers from flyback spikes in 48 V BLDC motor inverters. IC Role / Device Role / Timing Role: Clamp device mounted directly at half-bridge output node. Use Value: Responds within nanoseconds to <100 ns rise-time spikes, holding voltage below MOSFET VDSS rating. |
| Automotive Body Electronics | Telecom Power Interface |
Use Scenario: Shields LIN bus transceivers and microcontrollers from ESD and relay-switching noise in door module PCBs. IC Role / Device Role / Timing Role: Unidirectional TVS on VCC rail upstream of local regulator. Use Value: Maintains <1.0 μA leakage at 128 V, avoiding quiescent current impact on sleep-mode power budget. |
Use Scenario: Safeguards PoE-powered Ethernet PHYs and DC-DC controllers from lightning-induced surges on 48 V input lines. IC Role / Device Role / Timing Role: Primary clamping device on secondary-side 48 V input before isolation barrier. Use Value: Delivers 265 V clamping at 8/20 μs waveform, meeting IEC 61000-4-5 Level 4 immunity requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ150A-E3/5B | Same VWM (128 V), lower PPPM (400 W), SMA package (larger footprint, higher RθJA) | Not AEC-Q101 qualified; suitable for commercial industrial but not automotive deployment | Select when cost sensitivity outweighs automotive qualification and space allows larger SMA footprint |
| 1.5SMC150AHE3/A | Same VWM and PPPM, SMC package (higher thermal mass, RθJA = 40 °C/W), same AEC-Q101 grade | Better thermal dissipation for sustained surge duty cycles; requires larger PCB area | Choose when system-level thermal management demands lower junction temperature rise under repeated pulses |
Compared with SMAJ150A-E3/5B and 1.5SMC150AHE3/A, the SM6T150AHE3/5B uniquely balances AEC-Q101 compliance, SMB footprint constraints, and 600 W surge capability-making it optimal for space-constrained automotive ECUs where thermal cycling and board area are critical.
Availability
SM6T150AHE3/5B is available at Aetrix Electronics and suitable for automotive powertrain control, industrial motor drive protection, and telecom power interface applications requiring stable component supply, AEC-Q101 traceability, and consistent SMB packaging.
Supply support for SM6T150AHE3/5B 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 reliability, precision, and automotive-grade qualification.
The SM6T Series targets high-energy transient suppression in harsh environments; its development prioritized AEC-Q101 compliance, low-inductance SMB packaging, and repeatable clamping performance for safety-critical automotive systems.
FAQ
What is the clamping voltage of SM6T150AHE3/5B at its rated peak pulse current?
The SM6T150AHE3/5B has a maximum clamping voltage (VC) of 207 V at 2.9 A peak pulse current with a 10/1000 μs waveform. This value is measured per JEDEC standard and guarantees that downstream components experience no more than 207 V during specified surge conditions. The SM6T150AHE3/5B maintains this clamping performance across its full operating temperature range.
Is SM6T150AHE3/5B qualified for automotive applications?
Yes, SM6T150AHE3/5B is AEC-Q101 qualified, as confirmed by Vishay's official documentation and ordering code suffix "HE3". This qualification covers stress tests including high-temperature operating life, temperature cycling, and unbiased highly accelerated stress testing-validating its use in automotive powertrain, body control, and ADAS modules. The SM6T150AHE3/5B carries full traceability and automotive-grade screening.
What does the "HE3" suffix indicate in SM6T150AHE3/5B?
The "HE3" suffix in SM6T150AHE3/5B denotes RoHS-compliant construction and AEC-Q101 qualification. It distinguishes this variant from commercial-grade "E3" parts and halogen-free "HM3" versions. The "HE3" designation confirms that the SM6T150AHE3/5B meets automotive reliability standards while maintaining compatibility with lead-free reflow processes up to 260 °C peak temperature.
What is the standoff voltage (VWM) of SM6T150AHE3/5B, and how does it relate to system design?
The SM6T150AHE3/5B has a standoff voltage (VWM) of 128 V, meaning it remains non-conductive up to this reverse voltage. This parameter sets the maximum continuous operating voltage of the protected line-critical for selecting appropriate margin above nominal 12 V or 24 V automotive rails. Designers must ensure normal operating voltage stays ≤128 V to prevent leakage or premature conduction. The SM6T150AHE3/5B provides reliable margin before clamping initiates at 143 V minimum breakdown.
How does the SMB (DO-214AA) package of SM6T150AHE3/5B affect PCB layout?
The SMB package of SM6T150AHE3/5B requires a 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pad layout per terminal for optimal thermal performance and surge handling. Its compact 3.94 mm × 2.20 mm footprint supports high-density automotive PCBs, while the cathode band enables unambiguous orientation during automated placement. The SM6T150AHE3/5B's low-inductance structure minimizes parasitic effects, making it suitable for high-speed transient suppression without added layout complexity.
SM6T150AHE3/5B 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:
- Discontinued at Digi-Key
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 128V
- Voltage - Breakdown (Min):
- 143V
- Voltage - Clamping (Max) @ Ipp:
- 207V
- Current - Peak Pulse (10/1000µs):
- 2.9A
- 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)
SM6T150AHE3/5B FAQ
1.How can I place an order for SM6T150AHE3/5B through Aetrix?
Please submit a Request for Quotation (RFQ) for SM6T150AHE3/5B 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 SM6T150AHE3/5B reliable?
The price and inventory of SM6T150AHE3/5B are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SM6T150AHE3/5B is usually 5 days.
3.What payment methods are accepted for SM6T150AHE3/5B?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SM6T150AHE3/5B transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SM6T150AHE3/5B?
SM6T150AHE3/5B orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SM6T150AHE3/5B 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 SM6T150AHE3/5B?
For technical support, including SM6T150AHE3/5B datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SM6T150AHE3/5B requirements.
6.How does Aetrix verify that SM6T150AHE3/5B is sourced from the original manufacturer or authorized distributors?
All SM6T150AHE3/5B 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 SM6T150AHE3/5B meets industry standards.
7.What is the process for return or replacement of SM6T150AHE3/5B?
All SM6T150AHE3/5B units undergo pre-shipment inspection (PSI). If there is an issue with SM6T150AHE3/5B, 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 SM6T150AHE3/5B part is unused and in its original packaging.
Return procedure for SM6T150AHE3/5B:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SM6T150AHE3/5B Tags
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