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Vishay General Semiconductor - Diodes Division SMBG160A-E3/5B
- Part No.:
- SMBG160A-E3/5B
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-215AA, SMB Gull Wing
- Datasheet:
-
SMBG160A-E3/5B.pdf
- Description:
- TVS DIODE 160VWM 259VC DO215AA
- Quantity:
- Payment:
- Shipping:
Inventory:8,687
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Product details
Overview
SMBG160A-E3/5B from Vishay General Semiconductor is a unidirectional surface-mount Transient Voltage Suppressor (TVS) diode in SMBG (DO-215AA) package, rated for 160 V standoff voltage (VWM), 178–197 V breakdown voltage (VBR), 600 W peak pulse power (10/1000 μs), and 2.3 A maximum clamping current at 259 V clamping voltage (VC). It protects automotive-grade power and signal lines against ESD, lightning surges, and inductive switching transients.
For engineers reviewing the SMBG160A-E3/5B datasheet, SMBG160A-E3/5B pinout, SMBG160A-E3/5B application, or SMBG160A-E3/5B equivalent, key selection criteria include unidirectional polarity, AEC-Q101 qualification, 150 °C max junction temperature, low incremental surge resistance, and compatibility with automated SMT placement on industrial and automotive PCBs.
Technical Context
This TVS diode operates as a voltage-clamping protection device that remains high-impedance below VWM = 160 V and rapidly avalanches above VBR = 178–197 V to limit transient overvoltages. Its glass-passivated junction ensures stable leakage (<1.0 μA at VWM) and repeatable breakdown behavior under repetitive surge conditions.
Designed for unidirectional DC line protection, it features a cathode-band-marked SMBG package with thermal resistance RθJA = 100 °C/W (on 5.0 mm × 5.0 mm copper pads) and supports surge currents up to 2.3 A (10/1000 μs) while clamping to ≤259 V - enabling robust coordination with downstream ICs like MCUs, gate drivers, and sensor interfaces.
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 1.0 mA - guaranteed avalanche initiation range for reliable overvoltage detection |
| VC @ IPPM | 259 V at 2.3 A - clamping voltage during 600 W transient, defining upper voltage bound seen by protected circuit |
| PPPM | 600 W - peak pulse power handling per 10/1000 μs waveform, supporting IEC 61000-4-5 Level 4 compliance |
| ID @ VWM | ≤1.0 μA - ultra-low reverse leakage ensures minimal standby power loss in high-impedance sensing paths |
| TJ max | +150 °C - enables operation in under-hood automotive environments and industrial power supplies |
| AEC-Q101 | Qualified - validated for automotive reliability including temperature cycling, HTRB, and ESD testing |
Pinout & Package
Package: SMBG (DO-215AA), surface-mount, gull-wing leadform, matte tin-plated terminals, MSL Level 1 (260 °C reflow peak), RoHS-compliant (E3 suffix), 0.096 g unit weight.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Low-side reference node | Connected to ground or low-voltage rail; defines current path during transient conduction |
| Cathode | High-side protected node | Marked with band; connects to line being protected (e.g., 12 V battery rail or CAN-H); conducts surge current to ground |
Key Features
| Feature | Design Value |
|---|---|
| 600 W peak pulse power (10/1000 μs) | Supports high-energy transients per ISO 7637-2 Pulse 5a without degradation |
| AEC-Q101 qualification | Validated for automotive powertrain and body electronics applications requiring long-term field reliability |
| Glass-passivated junction | Ensures stable VBR tolerance and low parameter drift across temperature and lifetime |
| Low-profile SMBG package | Enables compact layout in space-constrained modules (e.g., ADAS ECUs, motor controllers) |
| MSL Level 1 rating | Allows single-reflow assembly without moisture sensitivity concerns or baking requirements |
Applications
| Automotive Power Rail Protection | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: 12 V/24 V battery feed lines in engine control units exposed to load dump and alternator transients. IC Role / Device Role / Timing Role: Unidirectional TVS clamp placed between battery input and upstream fuse or DC-DC converter input. Use Value: Limits voltage to ≤259 V during 600 W surges, preventing damage to 36 V-rated input stages of PMICs and microcontrollers. | Use Scenario: Analog output lines (e.g., 4–20 mA current loop) from pressure or temperature sensors in factory automation systems. IC Role / Device Role / Timing Role: Line-end TVS connected anode-to-ground, cathode-to-signal, guarding against ESD and cable coupling noise. Use Value: Sub-1 μA leakage preserves signal accuracy; fast response (<1 ns) prevents latch-up in precision op-amps and ADC front-ends. |
| Telecom DC Power Input Protection | OBD-II Diagnostic Port Protection |
Use Scenario: -48 V DC input of telecom base station power supplies subjected to lightning-induced surges on outdoor cabling. IC Role / Device Role / Timing Role: Primary clamping device on input rectifier output, coordinated with MOVs and fuses. Use Value: 160 V VWM allows safe operation across -48 V ±20 % input range; 259 V VC ensures downstream DC-DC converters remain within absolute maximum ratings. | Use Scenario: Pin 16 (battery+) and Pin 6 (CAN-H) of OBD-II connectors in vehicle service tools and scan devices. IC Role / Device Role / Timing Role: Discrete TVS per line, mounted directly at connector footprint to minimize inductance. Use Value: AEC-Q101 qualification guarantees performance across -40 °C to +125 °C ambient; SMBG footprint enables dense multi-line protection without board area penalty. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBG160A-M3/5B | Halogen-free, RoHS-compliant variant; identical electrical specs and AEC-Q101 qualification | No functional difference; selected when halogen-free material compliance is required for end-product environmental certification | Choose SMBG160A-M3/5B if IPC-1752 or EU RoHS Annex II halogen restrictions apply to your BOM. |
| SMCJ160A-E3/57T | Higher-power SMC (DO-214AB) package; same VWM/VBR, but 1500 W PPPM, 10.3 A IPPM, larger footprint | Used where higher surge margin is needed (e.g., heavy-duty truck load dump), but requires PCB layout change | Choose SMCJ160A-E3/57T only if system-level testing confirms need for >600 W clamping capability and board space permits larger package. |
Compared with SMBG160A-M3/5B, SMBG160A-E3/5B offers identical protection performance with standard RoHS compliance; versus SMCJ160A-E3/57T, it trades peak power headroom for smaller size and lower parasitic inductance - making it optimal for space-constrained, high-frequency transient environments like automotive sensor nodes.
Availability
SMBG160A-E3/5B is available at Aetrix Electronics and suitable for automotive electronics, industrial sensor interfaces, telecom power inputs, and OBD-II diagnostic port protection requiring stable component supply and AEC-Q101 assurance.
Supply support for SMBG160A-E3/5B 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, MOSFETs, optoelectronics, and passive components with emphasis on reliability and application-specific performance.
The SMBG Transient Voltage Suppressor series is engineered for robust, standards-compliant overvoltage protection in automotive, industrial, and telecom infrastructure - prioritizing low clamping ratio, fast response, and AEC-Q101 validation for mission-critical systems.
FAQ
What is the standoff voltage rating of SMBG160A-E3/5B?
The SMBG160A-E3/5B has a reverse standoff voltage (VWM) of 160 V, meaning it remains non-conductive up to this DC or RMS voltage level. This rating ensures compatibility with nominal 12 V and 24 V automotive and industrial power rails while providing sufficient margin before avalanche onset at 178–197 V. The 160 V value is confirmed in the Electrical Characteristics table on page 2 of Vishay document 88456.
Is SMBG160A-E3/5B suitable for automotive applications?
Yes, SMBG160A-E3/5B is AEC-Q101 qualified, as explicitly stated in the Mechanical Data section and Ratings table of the Vishay datasheet (document 88456, revision 09-Jan-2024). This qualification covers stress tests including temperature cycling, high-temperature reverse bias, and ESD - confirming its suitability for under-hood and body electronics where SMBG160A-E3/5B is deployed for battery rail and signal line protection.
What does the "E3/5B" suffix indicate in SMBG160A-E3/5B?
The "E3" suffix denotes RoHS-compliant, industrial-grade construction with matte tin-plated leads; "5B" specifies packaging in 13-inch diameter plastic tape and reel, with 3200 units per reel. This ordering code is defined in the Ordering Information table (page 3 of document 88456) and distinguishes SMBG160A-E3/5B from variants like E3/52 (7-inch reel, 750 units) or HE3/5B (AEC-Q101 + RoHS).
What is the clamping voltage of SMBG160A-E3/5B under surge conditions?
The SMBG160A-E3/5B clamps to a maximum of 259 V when subjected to its rated peak pulse current of 2.3 A (10/1000 μs waveform), as specified in the Electrical Characteristics table. This VC value defines the upper voltage limit imposed on protected circuitry during transients and is critical for ensuring downstream components - such as 36 V-input PMICs - remain within their absolute maximum ratings during surge events.
Does SMBG160A-E3/5B have bidirectional capability?
No, SMBG160A-E3/5B is a unidirectional TVS diode, indicated by the "A" (not "CA") suffix and confirmed by polarity marking (cathode band) and absence of bidirectional VBR entries in its row of the datasheet table. Bidirectional variants use the "CA" suffix (e.g., SMBG160CA); SMBG160A-E3/5B conducts only during positive transients on the cathode side relative to anode, making it appropriate for DC line protection with defined polarity.
SMBG160A-E3/5B 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:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMBG)
SMBG160A-E3/5B FAQ
1.How can I place an order for SMBG160A-E3/5B through Aetrix?
Please submit a Request for Quotation (RFQ) for SMBG160A-E3/5B 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 SMBG160A-E3/5B reliable?
The price and inventory of SMBG160A-E3/5B are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMBG160A-E3/5B is usually 5 days.
3.What payment methods are accepted for SMBG160A-E3/5B?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMBG160A-E3/5B transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMBG160A-E3/5B?
SMBG160A-E3/5B orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMBG160A-E3/5B 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 SMBG160A-E3/5B?
For technical support, including SMBG160A-E3/5B datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMBG160A-E3/5B requirements.
6.How does Aetrix verify that SMBG160A-E3/5B is sourced from the original manufacturer or authorized distributors?
All SMBG160A-E3/5B 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 SMBG160A-E3/5B meets industry standards.
7.What is the process for return or replacement of SMBG160A-E3/5B?
All SMBG160A-E3/5B units undergo pre-shipment inspection (PSI). If there is an issue with SMBG160A-E3/5B, 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 SMBG160A-E3/5B part is unused and in its original packaging.
Return procedure for SMBG160A-E3/5B:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMBG160A-E3/5B Tags
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