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Vishay General Semiconductor - Diodes Division SMBG160AHE3/5B
- Part No.:
- SMBG160AHE3/5B
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-215AA, SMB Gull Wing
- Datasheet:
-
SMBG160AHE3/5B.pdf
- Description:
- TVS DIODE 160VWM 259VC DO215AA
- Quantity:
- Payment:
- Shipping:
Inventory:5,787
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Product details
Overview
SMBG160AHE3/5B from Vishay General Semiconductor is a unidirectional transient voltage suppressor (TVS) diode in SMBG (DO-215AA) package, designed for robust overvoltage protection of power rails and signal lines. It features a 160 V stand-off voltage (VWM), 178–197 V breakdown voltage (VBR) at 1 mA, 2.3 A peak pulse current (IPPM) under 10/1000 µs waveform, and clamps to ≤259 V at rated surge, with AEC-Q101 qualification for automotive use.
For engineers reviewing the SMBG160AHE3/5B datasheet, SMBG160AHE3/5B pinout, SMBG160AHE3/5B application, or SMBG160AHE3/5B equivalent, key selection factors include its 600 W peak pulse power rating, 150 °C max junction temperature, unidirectional polarity with cathode band marking, and RoHS-compliant, AEC-Q101-qualified construction suitable for high-reliability automotive and industrial systems.
Technical Context
This TVS diode operates as a clamping device that remains high-impedance below VWM = 160 V and rapidly transitions to low-impedance conduction above VBR = 178–197 V to divert transient energy. Its glass-passivated junction ensures stable breakdown characteristics and long-term reliability under repetitive surge stress.
The SMBG160AHE3/5B is rated for 600 W peak pulse power (10/1000 µs), supports 100 A non-repetitive forward surge current (8.3 ms half-sine), and exhibits low incremental surge resistance - enabling effective suppression of inductive switching transients and ESD events without latch-up or thermal runaway.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 160 V - Maximum continuous reverse operating voltage before clamping begins |
| VBR (min/max) | 178 V / 197 V at IT = 1 mA - Ensures precise, repeatable turn-on threshold across production lots |
| IPPM | 2.3 A (10/1000 µs) - Peak surge current it safely clamps without degradation |
| VC | ≤259 V at IPPM - Clamping voltage seen by protected circuit during full-rated surge |
| PPPM | 600 W - Sustains standardized lightning/surge pulses per IEC 61000-4-5 and ISO 7637-2 |
| TJ max | +150 °C - Enables operation in under-hood automotive environments and high-power industrial enclosures |
| AEC-Q101 | Qualified - Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD |
Pinout & Package
Package: SMBG (DO-215AA), surface-mount, low-profile case with matte tin-plated leads solderable per J-STD-002 and JESD 22-B102. Cathode identified by molded band on body.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry terminal during clamping | Connected to protected line (e.g., 12 V rail); conducts surge current toward ground when VANODE − VCATHODE > VBR |
| Cathode | Current exit terminal during clamping | Connected to system ground or low-impedance return path; marked with visible band for orientation |
Key Features
| Feature | Design Value |
|---|---|
| 600 W peak pulse power (10/1000 µs) | Handles high-energy transients from load dump or inductive kick without failure |
| AEC-Q101 qualified | Validated for automotive electronics including engine control units and ADAS sensor interfaces |
| Glass passivated junction | Ensures stable VBR and low leakage (<1.0 µA at VWM) over temperature and lifetime |
| MSL Level 1 (260 °C reflow) | Compatible with standard lead-free SMT assembly processes without moisture sensitivity concerns |
| RoHS-compliant, HE3 suffix | Meets global environmental regulations and supports automotive supply chain compliance requirements |
Applications
| Automotive Power Rail Protection | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: Protecting 12 V/24 V battery-fed ECUs against load dump (ISO 7637-2 Pulse 5a) and alternator transients. IC Role / Device Role / Timing Role: Unidirectional clamping TVS placed between power input and ground to limit voltage excursions to safe levels for downstream regulators and microcontrollers. Use Value: Clamps to ≤259 V while absorbing 600 W surges, preventing damage to 36 V-rated DC/DC converters and CAN transceivers. | Use Scenario: Safeguarding analog sensor outputs (e.g., pressure, temperature) in factory automation PLC modules exposed to relay coil flyback. IC Role / Device Role / Timing Role: Low-capacitance TVS on signal lines to suppress fast-rising transients (<1 ns rise time) without distorting millivolt-level sensor signals. Use Value: Maintains <1.0 µA leakage at 160 V, ensuring minimal offset error in precision instrumentation front-ends. |
| Telecom Line Card Surge Protection | Motor Drive Control Board Protection |
Use Scenario: Shielding Ethernet PHY power pins and bias rails in outdoor telecom equipment subjected to lightning-induced surges. IC Role / Device Role / Timing Role: Primary overvoltage clamp on 3.3 V/5 V auxiliary supplies feeding PHY ICs and magnetics. Use Value: Withstands repetitive 10/1000 µs surges up to 600 W, meeting IEC 61000-4-5 Level 4 immunity requirements. | Use Scenario: Guarding gate driver IC supplies in BLDC motor inverters where IGBT/MOSFET switching induces high dV/dt noise. IC Role / Device Role / Timing Role: Fast-response TVS on isolated DC/DC output rails supplying high-side gate drivers. Use Value: Responds in <1.0 ns to clamp transients before they propagate to sensitive level-shift circuits or bootstrap capacitors. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBG160AE3/5B | No AEC-Q101 qualification; same electrical specs and package | Not approved for automotive use; suitable for industrial/commercial only | Select when AEC-Q101 is not required and cost optimization is prioritized |
| SMCJ160A-E3/57T | Larger SMC (DO-214AB) package; higher 1500 W PPPM; same VWM/VBR | Better thermal dissipation but requires larger PCB area; used where higher surge margin is needed | Choose when system-level surge testing exceeds 600 W or board layout allows larger footprint |
Compared with SMBG160AHE3/5B, SMBG160AE3/5B omits automotive qualification but matches all electrical parameters, while SMCJ160A-E3/57T trades compactness for higher surge capacity - making the SMBG160AHE3/5B optimal for space-constrained AEC-Q101-compliant designs requiring precise 160 V clamping.
Availability
SMBG160AHE3/5B is available at Aetrix Electronics and suitable for automotive power rail protection, industrial sensor interface hardening, and telecom line card surge suppression requiring stable component supply and full AEC-Q101 traceability.
Supply support for SMBG160AHE3/5B 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 is a global leader in discrete semiconductors, specializing in diodes, rectifiers, MOSFETs, and protection devices with emphasis on reliability, efficiency, and application-specific performance.
The SMBG series is engineered for high-reliability transient suppression in automotive, industrial, and telecom systems - delivering consistent clamping behavior, low leakage, and robust surge handling in compact surface-mount packages.
FAQ
What is the maximum clamping voltage of SMBG160AHE3/5B at its rated peak pulse current?
The SMBG160AHE3/5B has a maximum clamping voltage (VC) of 259 V when subjected to its rated peak pulse current of 2.3 A (10/1000 µs waveform). This value is measured per standard test conditions defined in the Vishay datasheet (Document Number: 88456), and ensures protected downstream components remain within safe voltage limits during surge events.
Is SMBG160AHE3/5B suitable for automotive applications?
Yes, SMBG160AHE3/5B is AEC-Q101 qualified and specifically designed for automotive use. Its HE3 suffix denotes RoHS compliance and AEC-Q101 qualification, covering tests such as temperature cycling, highly accelerated life testing (HALT), and ESD robustness - making it appropriate for engine control units, body electronics, and ADAS sensor modules.
What does the "5B" in SMBG160AHE3/5B indicate?
The "5B" suffix in SMBG160AHE3/5B specifies the packaging format: 13-inch diameter plastic tape and reel containing 3200 units. This differs from "52", which denotes a 7-inch reel with 750 units. The "HE3" portion confirms RoHS compliance and AEC-Q101 qualification, while "SMBG160A" identifies the 160 V stand-off voltage variant.
How does SMBG160AHE3/5B differ from bidirectional TVS diodes like SMBG160CA?
SMBG160AHE3/5B is unidirectional and features a cathode band for polarity identification, conducting only during reverse-biased overvoltage events. In contrast, SMBG160CA is bidirectional with no polarity marking and symmetric clamping in both directions - making SMBG160AHE3/5B ideal for DC power rail protection, while SMBG160CA suits AC-coupled or differential signal lines.
What is the thermal resistance of SMBG160AHE3/5B, and how does it affect PCB layout?
The SMBG160AHE3/5B 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. To maintain safe junction temperatures under repeated surges, designers must provide adequate copper area and avoid excessive trace length - especially critical in automotive applications where ambient temperatures reach 125 °C.
SMBG160AHE3/5B Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-215AA, SMB Gull Wing
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 160V
- Voltage - Breakdown (Min):
- 178V
- Voltage - Clamping (Max) @ Ipp:
- 259V
- Current - Peak Pulse (10/1000µs):
- 2.3A
- Power - Peak Pulse:
- 600W
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMBG)
SMBG160AHE3/5B FAQ
1.How can I place an order for SMBG160AHE3/5B through Aetrix?
Please submit a Request for Quotation (RFQ) for SMBG160AHE3/5B 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 SMBG160AHE3/5B reliable?
The price and inventory of SMBG160AHE3/5B are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMBG160AHE3/5B is usually 5 days.
3.What payment methods are accepted for SMBG160AHE3/5B?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMBG160AHE3/5B transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMBG160AHE3/5B?
SMBG160AHE3/5B orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMBG160AHE3/5B 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 SMBG160AHE3/5B?
For technical support, including SMBG160AHE3/5B datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMBG160AHE3/5B requirements.
6.How does Aetrix verify that SMBG160AHE3/5B is sourced from the original manufacturer or authorized distributors?
All SMBG160AHE3/5B 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 SMBG160AHE3/5B meets industry standards.
7.What is the process for return or replacement of SMBG160AHE3/5B?
All SMBG160AHE3/5B units undergo pre-shipment inspection (PSI). If there is an issue with SMBG160AHE3/5B, 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 SMBG160AHE3/5B part is unused and in its original packaging.
Return procedure for SMBG160AHE3/5B:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMBG160AHE3/5B Tags
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