My Inquiry
My Account
Vishay General Semiconductor - Diodes Division SMBG8.0HE3/52
- Part No.:
- SMBG8.0HE3/52
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-215AA, SMB Gull Wing
- Datasheet:
-
SMBG8.0HE3/52.pdf
- Description:
- TVS DIODE 8VWM 15VC DO215AA
- Quantity:
- Payment:
- Shipping:
Inventory:5,240
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
SMBG8.0HE3/52 from Vishay General Semiconductor is a unidirectional transient voltage suppressor (TVS) diode in the SMBG package, designed for robust overvoltage protection of sensitive electronics. It features a 8.0 V stand-off voltage (VWM), 8.89–9.83 V breakdown voltage (VBR) at 1.0 mA test current, and clamps transients to ≤13.6 V at 44.1 A peak pulse current (IPPM) under 10/1000 µs waveform - enabling reliable protection of 5 V logic interfaces and power rails in automotive ECUs.
For engineers reviewing the SMBG8.0HE3/52 datasheet, SMBG8.0HE3/52 pinout, SMBG8.0HE3/52 application, or SMBG8.0HE3/52 equivalent, key selection considerations include its AEC-Q101 qualification, 600 W peak pulse power rating, DO-215AA (SMBG) surface-mount package with matte tin leads, and low 1.0 µA maximum reverse leakage at VWM.
Technical Context
This unidirectional TVS diode operates as a voltage-clamping device in parallel with protected circuitry, activating when transient voltage exceeds its breakdown threshold. Its glass-passivated junction ensures stable avalanche characteristics and fast response time (<1 ns), while the low incremental surge resistance minimizes clamping voltage overshoot during high-current surges.
The SMBG8.0HE3/52 is rated for 150 °C maximum junction temperature and exhibits 100 °C/W typical thermal resistance (junction-to-ambient) on standard 5.0 mm × 5.0 mm copper pads. Its 100 A IFSM rating supports robust handling of repetitive inductive-switching events common in automotive 12 V systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 8.0 V - Maximum continuous reverse operating voltage before conduction begins; matches 5 V system rail protection with margin. |
| VBR (min/max) | 8.89 V / 9.83 V at 1.0 mA - Confirmed breakdown range ensures reliable turn-on without premature triggering. |
| VC @ IPPM | ≤13.6 V at 44.1 A - Clamping voltage limits stress on downstream ICs during 600 W transient events. |
| IPPM | 44.1 A - Peak surge current capability under standardized 10/1000 µs waveform. |
| PPPM | 600 W - Peak pulse power dissipation capacity for short-duration transients. |
| IR @ VWM | ≤1.0 µA - Ultra-low leakage preserves signal integrity and battery life in always-on circuits. |
| TJ max | 150 °C - Enables operation in under-hood automotive environments. |
Pinout & Package
Package: DO-215AA (SMBG), surface-mount, gull-wing lead configuration. Cathode indicated by band on case end.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Low-side connection point | Connected to ground or low-voltage reference; completes clamping path during transient. |
| Cathode (banded end) | High-side connection point | Connected to protected line (e.g., 5 V rail); defines polarity and clamping direction. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive-grade reliability including temperature cycling, humidity, and mechanical shock per JESD22 standards. |
| Glass-passivated junction | Ensures stable, repeatable avalanche performance and long-term parameter stability across lifetime. |
| MSL Level 1 (260 °C peak) | Compatible with standard lead-free reflow profiles without moisture sensitivity concerns. |
| Matte tin-plated leads | Meets J-STD-002 solderability and JESD22-B102 intermetallic formation requirements. |
| 600 W peak pulse power | Provides headroom for ISO 7637-2 Pulse 1, 2a, 3a/b, and IEC 61000-4-5 Level 3/4 transients. |
Applications
| Automotive Power Rail Protection | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: Protecting 5 V supply lines in engine control units (ECUs) exposed to load-dump and inductive switching transients. IC Role / Device Role / Timing Role: Unidirectional TVS clamp placed between VCC and GND to limit voltage excursions during ISO 7637-2 pulses. Use Value: Limits clamped voltage to ≤13.6 V, preventing damage to microcontrollers and CAN transceivers rated for 16 V absolute maximum. |
Use Scenario: Safeguarding analog output lines (e.g., 4–20 mA current loops) in factory automation sensors. IC Role / Device Role / Timing Role: Parallel-connected TVS on signal line to shunt ESD and surge energy away from precision op-amps and ADC inputs. Use Value: Sub-1 ns response and 1.0 µA leakage preserve signal accuracy and enable fail-safe operation in SIL2-rated systems. |
| Consumer USB Port Protection | Telecom Line Card Surge Suppression |
Use Scenario: Secondary-level protection on USB VBUS lines in portable docking stations subject to hot-plug and cable discharge events. IC Role / Device Role / Timing Role: Standoff-rated TVS placed after primary fuse and upstream of USB power switch IC. Use Value: 8.0 V VWM allows normal 5 V operation while clamping 8 kV ESD (IEC 61000-4-2) to <14 V, protecting internal PMICs. |
Use Scenario: Front-end transient suppression on DC feed lines powering remote radio units in 4G/5G base stations. IC Role / Device Role / Timing Role: Unidirectional clamp on +24 V or +48 V bias rails to absorb lightning-induced surges per IEC 61000-4-5. Use Value: 600 W PPPM and 44.1 A IPPM withstand repeated 10/1000 µs surges up to 1.2 kV without degradation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ8.0AHE3/52 | Same VWM (8.0 V), identical AEC-Q101 qualification, but SMBJ package (DO-214AB) has higher thermal resistance (RθJA = 125 °C/W vs. 100 °C/W). | Suitable where board space permits larger footprint; slightly reduced power derating above 25 °C ambient. | Prefer SMBG8.0HE3/52 for tighter thermal constraints or dense layouts requiring smaller DO-215AA footprint. |
| 1.5SMC8.0AHE3/A | Same electrical specs, but SMC (DO-214AB) package with 1.5 kW PPPM; not AEC-Q101 qualified. | Higher-power industrial use cases where automotive qualification is unnecessary. | Select SMBG8.0HE3/52 when AEC-Q101 compliance and compact SMBG form factor are mandatory. |
Compared with SMBJ8.0AHE3/52 and 1.5SMC8.0AHE3/A, the SMBG8.0HE3/52 delivers optimal balance of automotive qualification, thermal performance, and miniaturization - making it the preferred choice for space-constrained, thermally demanding automotive and industrial designs requiring validated reliability.
Availability
SMBG8.0HE3/52 is available at Aetrix Electronics and suitable for automotive ECU design, industrial sensor interface protection, and consumer USB power rail safeguarding requiring stable component supply and full traceability.
Supply support for SMBG8.0HE3/52 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 high-reliability diodes, MOSFETs, optoelectronics, and passive components for automotive, industrial, and computing markets.
The SMBG series was engineered specifically for AEC-Q101-compliant transient suppression in space-constrained automotive modules, emphasizing low-profile packaging, stable clamping, and robust surge endurance under harsh thermal conditions.
FAQ
What is the polarity configuration of SMBG8.0HE3/52?
The SMBG8.0HE3/52 is a unidirectional transient voltage suppressor diode. Its cathode is marked by a band on the case end, and it conducts only when the cathode is at a higher potential than the anode - making it suitable for protecting positive supply rails like 5 V or 12 V lines against overvoltage in one direction.
Does SMBG8.0HE3/52 meet automotive qualification standards?
Yes, SMBG8.0HE3/52 is explicitly AEC-Q101 qualified, as confirmed in Vishay's datasheet revision 12-Nov-12 (Document Number: 88456). This qualification covers stress tests including temperature cycling, high-temperature operating life, and unbiased highly accelerated stress testing - validating its suitability for under-hood and chassis-mounted automotive applications.
What is the maximum clamping voltage for SMBG8.0HE3/52 under surge conditions?
The SMBG8.0HE3/52 has a maximum clamping voltage (VC) of 13.6 V at its rated peak pulse current (IPPM) of 44.1 A, measured using the standardized 10/1000 µs double-exponential waveform. This value ensures downstream components with 16 V absolute maximum ratings remain within safe operating limits during transient events.
Can SMBG8.0HE3/52 be used in bi-directional protection applications?
No - SMBG8.0HE3/52 is strictly unidirectional. For bi-directional protection, Vishay offers variants with "CA" suffixes (e.g., SMBG8.0CA). Using SMBG8.0HE3/52 in bi-directional configurations would result in forward conduction and potential failure during negative transients; always verify polarity alignment in schematic and layout for SMBG8.0HE3/52.
What is the lead finish and solderability specification for SMBG8.0HE3/52?
SMBG8.0HE3/52 features matte tin-plated leads compliant with J-STD-002 for solderability and JESD22-B102 for intermetallic growth. The HE3 suffix indicates compliance with JESD201 Class 2 whisker testing, ensuring long-term reliability in high-reliability assemblies subjected to thermal cycling and vibration.
SMBG8.0HE3/52 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:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 8V
- Voltage - Breakdown (Min):
- 8.89V
- Voltage - Clamping (Max) @ Ipp:
- 15V
- Current - Peak Pulse (10/1000µs):
- 40A
- 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)
SMBG8.0HE3/52 FAQ
1.How can I place an order for SMBG8.0HE3/52 through Aetrix?
Please submit a Request for Quotation (RFQ) for SMBG8.0HE3/52 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 SMBG8.0HE3/52 reliable?
The price and inventory of SMBG8.0HE3/52 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMBG8.0HE3/52 is usually 5 days.
3.What payment methods are accepted for SMBG8.0HE3/52?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMBG8.0HE3/52 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMBG8.0HE3/52?
SMBG8.0HE3/52 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMBG8.0HE3/52 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 SMBG8.0HE3/52?
For technical support, including SMBG8.0HE3/52 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMBG8.0HE3/52 requirements.
6.How does Aetrix verify that SMBG8.0HE3/52 is sourced from the original manufacturer or authorized distributors?
All SMBG8.0HE3/52 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 SMBG8.0HE3/52 meets industry standards.
7.What is the process for return or replacement of SMBG8.0HE3/52?
All SMBG8.0HE3/52 units undergo pre-shipment inspection (PSI). If there is an issue with SMBG8.0HE3/52, 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 SMBG8.0HE3/52 part is unused and in its original packaging.
Return procedure for SMBG8.0HE3/52:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMBG8.0HE3/52 Tags
-
ESD9B5.0ST5G
onsemi
-
DESD3V3E1BL-7B
Diodes Incorporated
-
ESD5Z3.3T1G
onsemi
-
D5V0H1B2LP-7B
Diodes Incorporated
-
D5V0P1B2LP-7B
Diodes Incorporated
-
DESD5V0U1BA-7
Diodes Incorporated
-
ESD5Z5.0T1G
onsemi
-
DESD5V0U1BB-7
Diodes Incorporated
-
D12V0L1B2LP-7B
Diodes Incorporated
-
PESD2V0Y1BSFYL
Nexperia USA Inc.
-
DF2S5M4CT,L3F
Toshiba Semiconductor and Storage
-
D5V0L1B2WS-7
Diodes Incorporated
Tech Hub
Comparator circuit design covering voltage thresholds, input limits, open-collector outputs, LM393 wiring, op-amp differences, hysteresis, timing, window detection and practical fault diagnosis.
Schmitt triggers use separate rising and falling thresholds to stabilize slow or noisy signals. This guide covers hysteresis, 74HC14 and 74HCT14 selection, comparator calculations, RC oscillators and p…
Counterfeit components can hide behind convincing markings and passing basic function tests. This engineering reference covers source traceability, external inspection, X-ray, XRF, electrical testing, …
A practical engineering and sourcing framework covering lifecycle verification, lifetime-buy calculations, replacement qualification, supplier checks and counterfeit-risk controls.
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
