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Vishay General Semiconductor - Diodes Division SMCG22AHE3/57T
- Part No.:
- SMCG22AHE3/57T
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-215AB, SMC Gull Wing
- Datasheet:
-
SMCG22AHE3/57T.pdf
- Description:
- TVS DIODE 22VWM 35.5VC DO215AB
- Quantity:
- Payment:
- Shipping:
Inventory:2,666
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Product details
Overview
SMCG22AHE3/57T from Vishay General Semiconductor is a unidirectional transient voltage suppressor (TVS) diode in the SMCG (DO-215AB) package, designed for robust overvoltage protection of sensitive electronics. It features a 22 V stand-off voltage (VWM), 24.4–26.9 V breakdown voltage (VBR) at 1 mA, 1500 W peak pulse power (10/1000 µs), clamping voltage of 35.5 V at 42.3 A IPPM, and AEC-Q101 qualification for automotive-grade reliability.
For engineers reviewing the SMCG22AHE3/57T datasheet, SMCG22AHE3/57T pinout, SMCG22AHE3/57T application, or SMCG22AHE3/57T equivalent, this device is selected for high-energy surge suppression in automotive power lines, industrial sensor interfaces, and DC power rail protection where low clamping voltage, fast response (<1 ns), and MSL Level 1 reflow compatibility are critical design requirements.
Technical Context
The SMCG22AHE3/57T operates as a unidirectional avalanche diode with glass-passivated junction, delivering precise voltage clamping during transient events such as load dump or ESD. Its 1500 W PPPM rating is validated on 8.0 mm × 8.0 mm copper pads, and thermal resistance is specified at RθJA = 75 °C/W and RθJL = 15 °C/W.
It supports automated SMT placement with matte tin-plated leads compliant to J-STD-002 and JESD 22-B102, meets UL 94 V-0 flammability, and is rated for TJ = –55 °C to +150 °C operation - enabling use in under-hood automotive environments and industrial control systems requiring long-term stability under thermal cycling.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 22 V - maximum continuous reverse operating voltage before clamping begins |
| VBR (min/max) | 24.4 V / 26.9 V at IT = 1 mA - ensures reliable avalanche initiation within tight tolerance band |
| VC @ IPPM | 35.5 V at 42.3 A - clamping voltage during 10/1000 µs surge defines protected circuit's max stress level |
| PPPM | 1500 W - peak transient energy handling capacity under standardized waveform |
| ID @ VWM | 1.0 µA - ultra-low leakage preserves signal integrity and minimizes standby power loss |
| TJ max. | +150 °C - enables deployment in high-temperature automotive and industrial enclosures |
| AEC-Q101 | Qualified - certified for automotive electronic systems per stress-test standard |
Pinout & Package
Package: SMCG (DO-215AB) - surface-mount, low-profile gull-wing leaded case with cathode band marking; RoHS-compliant, AEC-Q101 qualified, MSL Level 1 (260 °C peak reflow).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry terminal in forward bias; connected to system ground or low-side reference | Provides return path during clamping; must be routed with low-inductance trace to minimize overshoot |
| Cathode | Current exit terminal in forward bias; marked by band; connects to protected line | Accepts transient energy from upstream line (e.g., 24 V battery rail); polarity-critical for unidirectional operation |
Key Features
| Feature | Design Value |
|---|---|
| Glass-passivated junction | Ensures stable VBR over lifetime and immunity to humidity-induced parameter drift |
| Low incremental surge resistance | Minimizes voltage overshoot during fast transients, improving protection margin for downstream ICs |
| Very fast response time (<1 ns) | Clamps before ESD or lightning-induced surges propagate into sensitive analog or digital circuitry |
| MSL Level 1 compliance | Enables single-pass reflow without moisture-related popcorning or delamination risk |
| UL 94 V-0 molding compound | Meets flame-retardancy requirements for automotive and industrial safety certifications |
Applications
| Automotive Power Line Protection | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: Protecting 24 V supply rails in engine control units (ECUs) against ISO 7637-2 load dump transients and alternator ripple. IC Role / Device Role / Timing Role: Unidirectional TVS clamping device placed between battery input and DC-DC converter input stage. Use Value: Limits transient voltage to ≤35.5 V, preventing damage to 36 V-rated input stages while maintaining AEC-Q101 compliance. | Use Scenario: Safeguarding analog outputs of pressure/temperature sensors in PLC I/O modules exposed to field wiring surges. IC Role / Device Role / Timing Role: Standoff-clamp protector on 4–20 mA current loop output lines interfacing with long cables. Use Value: Suppresses induced spikes up to 1500 W without affecting loop accuracy due to sub-µA leakage at 22 V. |
| Telecom DC Power Feeds | Consumer Appliance Motor Drive Inputs |
Use Scenario: Securing -48 V telecom rectifier outputs against switching transients and accidental AC coupling. IC Role / Device Role / Timing Role: Reverse-polarity–tolerant unidirectional clamp on negative rail, with cathode tied to load side. Use Value: Clamps negative-going surges to –35.5 V while sustaining 22 V nominal reverse bias - critical for legacy telecom infrastructure. | Use Scenario: Shielding BLDC motor driver IC inputs from back-EMF spikes generated during commutation in smart home appliances. IC Role / Device Role / Timing Role: Localized TVS at gate driver power pins (e.g., VDD/VSS) to prevent latch-up or oxide rupture. Use Value: Responds in <1 ns to 100 V/µs edges, limiting stress to ≤35.5 V before driver IC's absolute max rating is exceeded. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ22A-E3/57T | Same VWM (22 V) and VC (35.5 V), but lower PPPM (400 W) and smaller SMA package (DO-214AC) | Not AEC-Q101 qualified; limited to commercial/industrial use; lower thermal mass reduces surge endurance | Select when cost or board space is prioritized over automotive qualification and 1500 W surge capability |
| SMCJ22AHE3/57T | Same VWM (22 V), higher PPPM (3000 W), identical DO-214AB package footprint but larger body (SMC vs SMCG) | Higher surge rating suits harsher environments (e.g., heavy equipment), but requires larger PCB pad area and higher mounting torque | Select when system-level surge testing exceeds ISO 16750-2 Pulse 5b requirements and 3000 W headroom is needed |
Compared with SMAJ22A-E3/57T and SMCJ22AHE3/57T, the SMCG22AHE3/57T delivers optimal balance of AEC-Q101 compliance, 1500 W surge capacity, and compact DO-215AB footprint - making it preferred for space-constrained automotive modules where both qualification and performance are non-negotiable.
Availability
SMCG22AHE3/57T is available at Aetrix Electronics and suitable for automotive ECUs, industrial sensor nodes, telecom power feeds, and consumer appliance motor drives requiring stable component supply across extended temperature ranges and high-reliability production cycles.
Supply support for SMCG22AHE3/57T 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, precision, and automotive-grade qualification.
The SMCG series is part of Vishay's TRANSZORB® TVS platform, engineered specifically for high-energy transient suppression in automotive, industrial, and telecom power systems where consistent clamping performance and long-term stability are mandatory.
FAQ
What is the breakdown voltage range of the SMCG22AHE3/57T?
The SMCG22AHE3/57T has a guaranteed breakdown voltage (VBR) range of 24.4 V to 26.9 V at test current IT = 1 mA, measured per ANSI/IEEE C62.35 standards. This tight tolerance ensures predictable clamping onset and compatibility with 24 V nominal systems where overvoltage margins must be tightly controlled - a key specification verified in the Vishay Document Number 88457 revision 09-Jan-2024.
Is the SMCG22AHE3/57T suitable for automotive applications?
Yes, the SMCG22AHE3/57T is AEC-Q101 qualified and explicitly rated for automotive use, including under-hood environments. Its –55 °C to +150 °C operating junction temperature range, glass-passivated junction, and MSL Level 1 reflow compatibility meet stringent automotive reliability requirements - confirmed in Vishay's official datasheet for SMCG22AHE3/57T.
What is the clamping voltage of the SMCG22AHE3/57T at its rated peak pulse current?
The SMCG22AHE3/57T clamps to a maximum of 35.5 V at its rated peak pulse current (IPPM) of 42.3 A under the standard 10/1000 µs waveform. This value defines the upper voltage limit imposed on protected circuits during surge events and is measured on the minimum recommended 8.0 mm × 8.0 mm copper pad layout per Vishay's test conditions.
Does the SMCG22AHE3/57T have polarity marking, and how is it identified?
Yes, the SMCG22AHE3/57T is unidirectional and features a visible cathode band on the SMCG (DO-215AB) package body. The banded end corresponds to the cathode terminal, which must be connected toward the protected line (e.g., 24 V rail), while the anode connects to ground - correct orientation is essential for proper transient clamping function as defined in the SMCG22AHE3/57T datasheet.
What packaging format is supplied for the SMCG22AHE3/57T?
The SMCG22AHE3/57T is supplied in 7-inch diameter plastic tape and reel format (package code 57T), with 850 units per reel. This configuration supports high-speed automated pick-and-place assembly and complies with J-STD-002 solderability standards - details confirmed in the Ordering Information section of the Vishay SMCG5.0A–SMCG188CA datasheet (Document Number 88457).
SMCG22AHE3/57T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-215AB, SMC Gull Wing
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 22V
- Voltage - Breakdown (Min):
- 24.4V
- Voltage - Clamping (Max) @ Ipp:
- 35.5V
- Current - Peak Pulse (10/1000µs):
- 42.3A
- Power - Peak Pulse:
- 1500W (1.5kW)
- 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-214AB (SMCG)
SMCG22AHE3/57T FAQ
1.How can I place an order for SMCG22AHE3/57T through Aetrix?
Please submit a Request for Quotation (RFQ) for SMCG22AHE3/57T 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 SMCG22AHE3/57T reliable?
The price and inventory of SMCG22AHE3/57T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMCG22AHE3/57T is usually 5 days.
3.What payment methods are accepted for SMCG22AHE3/57T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMCG22AHE3/57T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMCG22AHE3/57T?
SMCG22AHE3/57T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMCG22AHE3/57T 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 SMCG22AHE3/57T?
For technical support, including SMCG22AHE3/57T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMCG22AHE3/57T requirements.
6.How does Aetrix verify that SMCG22AHE3/57T is sourced from the original manufacturer or authorized distributors?
All SMCG22AHE3/57T 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 SMCG22AHE3/57T meets industry standards.
7.What is the process for return or replacement of SMCG22AHE3/57T?
All SMCG22AHE3/57T units undergo pre-shipment inspection (PSI). If there is an issue with SMCG22AHE3/57T, 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 SMCG22AHE3/57T part is unused and in its original packaging.
Return procedure for SMCG22AHE3/57T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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