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Vishay General Semiconductor - Diodes Division SMBG75AHE3/5B
- Part No.:
- SMBG75AHE3/5B
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-215AA, SMB Gull Wing
- Datasheet:
-
SMBG75AHE3/5B.pdf
- Description:
- TVS DIODE 75VWM 121VC DO215AA
- Quantity:
- Payment:
- Shipping:
Inventory:5,397
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Product details
Overview
SMBG75AHE3/5B from Vishay General Semiconductor is a unidirectional surface-mount Transient Voltage Suppressor (TVS) diode in SMBG (DO-215AA) package, rated for 75 V stand-off voltage, 83.3–92.1 V breakdown at 1 mA, 121 V clamping voltage at 5.0 A peak pulse current, and 600 W peak pulse power with 10/1000 μs waveform. It protects MOSFETs, ICs, and sensor signal lines in automotive and industrial power electronics against inductive switching transients.
For engineers reviewing the SMBG75AHE3/5B datasheet, SMBG75AHE3/5B pinout, SMBG75AHE3/5B application, or SMBG75AHE3/5B equivalent, this page delivers verified electrical parameters, AEC-Q101 qualification status, thermal resistance (RθJA = 100 °C/W), junction temperature range (−55 to +150 °C), and RoHS-compliant HE3 suffix marking for automotive-grade reliability.
Technical Context
This TVS diode operates as a unidirectional clamping device with cathode-band polarity identification, designed for fast response (<1 ns) to transient overvoltages. Its glass-passivated junction ensures stable breakdown characteristics and low incremental surge resistance under repetitive 0.01% duty cycle pulses.
Mounted on 5.0 mm × 5.0 mm copper pads per terminal, it delivers 600 W peak pulse power dissipation while maintaining clamping voltage ≤121 V at 5.0 A IPPM - critical for safeguarding 75 V rail systems such as automotive body control modules and industrial PLC I/O protection.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 75 V - maximum continuous reverse operating voltage before clamping begins; defines system rail compatibility |
| VBR (min/max) | 83.3 V / 92.1 V at IT = 1.0 mA - guaranteed breakdown window ensures predictable turn-on margin above VWM |
| VC @ IPPM | 121 V at 5.0 A - clamping voltage limits downstream component stress during 10/1000 μs transients |
| PPPM | 600 W - peak pulse power rating determines survivability of high-energy surges like ISO 7637-2 Pulse 5a |
| IFSM | 100 A - 8.3 ms single half-sine surge current rating supports robustness against load dump events |
| TJ Range | −55 °C to +150 °C - extended junction temperature range enables deployment in under-hood automotive environments |
| RθJA | 100 °C/W - thermal resistance informs PCB copper pad design for sustained power handling |
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; meets UL 94 V-0, MSL Level 1 (260 °C peak), and AEC-Q101 qualification.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction path | Connected to system ground or lower-potential node in unidirectional configuration |
| Cathode | Reverse-biased clamping node | Marked with band; connects to protected line (e.g., 75 V supply or signal trace) |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive applications including engine control units and ADAS sensor interfaces |
| Glass passivated junction | Ensures stable VBR tolerance and long-term reliability under thermal cycling |
| 600 W peak pulse power | Withstands high-energy transients such as ISO 16750-2 load dump without degradation |
| Low incremental surge resistance | Minimizes clamping voltage overshoot during fast-rising transients (e.g., ESD or inductive kick) |
| MSL Level 1 moisture sensitivity | Enables standard SMT reflow without baking, reducing manufacturing complexity |
Applications
| Automotive Body Control Module | Industrial PLC Digital Input |
|---|---|
Use Scenario: Protects microcontroller GPIO and CAN transceiver power rails from battery load dump and alternator ripple. IC Role / Device Role / Timing Role: Unidirectional TVS clamping device placed between 75 V supply and ground. Use Value: Limits transient voltage to ≤121 V, preventing latch-up or gate oxide damage in 48 V/75 V automotive subsystems. | Use Scenario: Shields 24 V–75 V digital input circuits from field-wiring induced surges in factory automation. IC Role / Device Role / Timing Role: Primary overvoltage clamp on isolated input channel before optocoupler or ADC front-end. Use Value: Maintains <1 μA leakage at 75 V, preserving input threshold accuracy while surviving 600 W surge events. |
| Telecom Power Supply Protection | Motor Drive Gate Driver Protection |
Use Scenario: Safeguards DC-DC converter inputs in telecom base station power supplies exposed to lightning-induced surges. IC Role / Device Role / Timing Role: Standoff-rated TVS on primary-side 75 V bus feeding intermediate bus converters. Use Value: Clamps 10/1000 μs transients to 121 V within nanoseconds, avoiding secondary-side regulator shutdown. | Use Scenario: Protects high-side gate driver ICs from Miller-induced voltage spikes during IGBT/MOSFET switching. IC Role / Device Role / Timing Role: Local clamping device across gate-to-source or gate-to-emitter terminals. Use Value: Fast response time and low Rsurge prevent false turn-on and gate oxide overstress in 75 V motor control stages. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ75A-E3/5B | Same VWM (75 V), but lower PPPM = 600 W and higher VC = 121 V; identical SMB (DO-214AA) footprint but different package outline | SMBJ series uses DO-214AA (slightly larger body); less suitable for space-constrained AEC-Q101 designs requiring DO-215AA form factor | Select SMBG75AHE3/5B when DO-215AA footprint and AEC-Q101 qualification are mandatory. |
| SMCJ75AHE3/5B | Same VWM/VBR, but higher PPPM = 1500 W and larger SMC (DO-214AB) package; RθJA = 35 °C/W vs. 100 °C/W | Higher power handling suits heavy industrial surge environments but requires more PCB area and different thermal layout | Choose SMBG75AHE3/5B for compact 75 V rail protection where board space and automotive qualification outweigh raw power rating. |
Compared with SMBJ75A-E3/5B and SMCJ75AHE3/5B, SMBG75AHE3/5B uniquely balances AEC-Q101 compliance, DO-215AA footprint, and 600 W capability-making it optimal for space-limited automotive and industrial modules needing validated reliability without oversized packaging.
Availability
SMBG75AHE3/5B is available at Aetrix Electronics and suitable for automotive body control modules, industrial PLC digital inputs, and telecom power supply protection requiring stable component supply and AEC-Q101 assurance.
Supply support for SMBG75AHE3/5B 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, and protection devices with emphasis on reliability, automotive qualification, and high-volume manufacturability.
The SMBG Transient Voltage Suppressor family targets high-reliability transient protection in automotive, industrial, and telecom systems where AEC-Q101 compliance, precise clamping, and surface-mount efficiency are essential.
FAQ
What is the clamping voltage of SMBG75AHE3/5B at its rated peak pulse current?
The SMBG75AHE3/5B has a maximum clamping voltage (VC) of 121 V at 5.0 A peak pulse current (IPPM) under a 10/1000 μs waveform. This value is measured per JEDEC standards and ensures predictable overvoltage limiting for 75 V system rails. The SMBG75AHE3/5B maintains this clamping performance across its full operating temperature range of −55 °C to +150 °C.
Is SMBG75AHE3/5B qualified for automotive applications?
Yes, SMBG75AHE3/5B is AEC-Q101 qualified, as confirmed by Vishay's documentation and the "HE3" suffix designation. This qualification covers stress testing for temperature cycling, humidity bias, mechanical shock, and surge robustness - making SMBG75AHE3/5B suitable for under-hood and chassis-mounted automotive electronics including body control modules and sensor interfaces.
What does the "HE3/5B" suffix mean in SMBG75AHE3/5B?
The "HE3" suffix indicates RoHS-compliant, AEC-Q101-qualified construction with matte tin-plated leads; "5B" denotes packaging in 13-inch diameter tape-and-reel format with 3200 units per reel. This distinguishes SMBG75AHE3/5B from non-automotive variants (e.g., E3/52) and confirms its suitability for high-reliability production environments requiring traceable, qualified components.
How does SMBG75AHE3/5B differ from SMBJ75A-E3/5B?
SMBG75AHE3/5B uses the smaller SMBG (DO-215AA) package versus SMBJ75A-E3/5B's SMB (DO-214AA), enabling tighter board layouts. Both share 75 V VWM and 600 W PPPM, but only SMBG75AHE3/5B carries AEC-Q101 qualification and the HE3 suffix. The SMBG75AHE3/5B also features lower thermal resistance in its specified mounting condition (100 °C/W).
What is the maximum reverse leakage current of SMBG75AHE3/5B at its stand-off voltage?
At its 75 V stand-off voltage (VWM), the SMBG75AHE3/5B exhibits a maximum reverse leakage current (ID) of 1.0 μA at 25 °C. This ultra-low leakage preserves signal integrity and power efficiency in high-impedance sensing and always-on circuits - a key advantage over higher-leakage alternatives in battery-powered or precision analog applications.
SMBG75AHE3/5B 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):
- 75V
- Voltage - Breakdown (Min):
- 83.3V
- Voltage - Clamping (Max) @ Ipp:
- 121V
- Current - Peak Pulse (10/1000µs):
- 5A
- 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)
SMBG75AHE3/5B FAQ
1.How can I place an order for SMBG75AHE3/5B through Aetrix?
Please submit a Request for Quotation (RFQ) for SMBG75AHE3/5B 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 SMBG75AHE3/5B reliable?
The price and inventory of SMBG75AHE3/5B are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMBG75AHE3/5B is usually 5 days.
3.What payment methods are accepted for SMBG75AHE3/5B?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMBG75AHE3/5B transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMBG75AHE3/5B?
SMBG75AHE3/5B orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMBG75AHE3/5B 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 SMBG75AHE3/5B?
For technical support, including SMBG75AHE3/5B datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMBG75AHE3/5B requirements.
6.How does Aetrix verify that SMBG75AHE3/5B is sourced from the original manufacturer or authorized distributors?
All SMBG75AHE3/5B 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 SMBG75AHE3/5B meets industry standards.
7.What is the process for return or replacement of SMBG75AHE3/5B?
All SMBG75AHE3/5B units undergo pre-shipment inspection (PSI). If there is an issue with SMBG75AHE3/5B, 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 SMBG75AHE3/5B part is unused and in its original packaging.
Return procedure for SMBG75AHE3/5B:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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