My Inquiry
My Account
Vishay General Semiconductor - Diodes Division SMCG22CA-E3/57T
- Part No.:
- SMCG22CA-E3/57T
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-215AB, SMC Gull Wing
- Datasheet:
-
SMCG22CA-E3/57T.pdf
- Description:
- TVS DIODE 22VWM 35.5VC DO215AB
- Quantity:
- Payment:
- Shipping:
Inventory:6,256
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
SMCG22CA-E3/57T from Vishay General Semiconductor is a bidirectional transient voltage suppressor (TVS) diode in the SMCG (DO-215AB) package, designed for robust overvoltage protection of sensitive electronics. It features a 24.4 V to 26.9 V breakdown voltage (VBR), 22 V stand-off voltage (VWM), 1500 W peak pulse power (10/1000 µs), <1.0 µA reverse leakage at VWM, and clamps to ≤35.5 V at 42.3 A peak pulse current - deployed in automotive sensor signal lines and industrial I/O interfaces.
For engineers reviewing the SMCG22CA-E3/57T datasheet, SMCG22CA-E3/57T pinout, SMCG22CA-E3/57T application, or SMCG22CA-E3/57T equivalent, key selection criteria include bidirectional clamping capability, AEC-Q101 qualification, DO-215AB thermal performance (RθJA = 75 °C/W), and compatibility with automated SMT placement on 8.0 mm × 8.0 mm copper pads.
Technical Context
This device operates as a silicon avalanche diode configured for symmetrical bidirectional clamping, enabling protection against both positive and negative transients without polarity sensitivity. Its glass-passivated junction ensures stable VBR tolerance (±5%) and low incremental surge resistance, critical for fast response (<1 ns) to ESD and lightning-induced surges.
The SMCG22CA-E3/57T is rated for continuous operation from −55 °C to +150 °C junction temperature, meets MSL Level 1 per J-STD-020 (260 °C peak reflow), and is qualified to AEC-Q101 for automotive under-hood applications - confirming suitability for harsh-environment deployment without derating below 125 °C ambient.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 24.4 V / 26.9 V - defines reliable avalanche initiation window across production lot and temperature range |
| VWM | 22 V - maximum continuous reverse voltage before significant leakage; sets operating margin for 24 V systems |
| IPPM | 42.3 A - peak surge current it safely clamps at 10/1000 µs waveform, directly tied to PCB pad layout (8.0 mm × 8.0 mm) |
| VC @ IPPM | ≤35.5 V - clamped voltage during surge, limiting stress on downstream ICs like CAN transceivers or ADC front-ends |
| PPPM | 1500 W - peak transient power handling capacity, enabling protection against ISO 7637-2 Pulse 1/2a/5a events |
| TJ max. | +150 °C - enables direct mounting near heat-generating components (e.g., power MOSFETs) without thermal shutdown |
| RθJA | 75 °C/W - thermal resistance from junction to ambient on standard FR-4 with recommended pad layout |
Pinout & Package
Package: SMCG (DO-215AB) - surface-mount, low-profile gull-wing leaded case with matte tin-plated terminals, UL 94 V-0 molding compound, and no polarity marking (bidirectional).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Transient current entry (negative half-cycle) | One terminal of symmetrical avalanche junction; conducts during negative transients relative to cathode reference |
| Cathode | Transient current entry (positive half-cycle) | Other terminal of symmetrical junction; conducts during positive transients - functionally identical to anode in bidirectional mode |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive under-hood use including temperature cycling, mechanical shock, and humidity testing |
| Glass-passivated junction | Ensures stable VBR and low leakage over 10+ years in industrial environments with thermal cycling |
| MSL Level 1 rating | Supports single-reflow assembly at 260 °C peak without popcorn or delamination risk |
| Low incremental surge resistance | Minimizes VC overshoot during fast-rising transients (e.g., ESD >15 kV contact discharge) |
| RoHS-compliant E3 suffix | Meets EU RoHS Directive 2011/65/EU and JESD201 Class 2 whisker resistance requirements |
Applications
| Automotive Sensor Protection | Industrial PLC I/O Protection |
|---|---|
Use Scenario: Protecting LIN/CAN bus nodes and analog sensor outputs (e.g., pressure, temperature) from load dump and inductive switching transients in vehicle ECUs. IC Role / Device Role / Timing Role: Bidirectional clamping element placed between signal line and ground, absorbing energy before it reaches the transceiver or ADC input. Use Value: Clamps 1500 W surges to ≤35.5 V while maintaining <1.0 µA leakage at 22 V, preserving signal integrity and preventing false triggers in 12 V/24 V systems. | Use Scenario: Shielding digital input modules in programmable logic controllers from field-wiring induced surges (IEC 61000-4-5 Level 3). IC Role / Device Role / Timing Role: Primary TVS at connector interface, shunting surge current away from optocoupler inputs and microcontroller GPIOs. Use Value: Withstands 42.3 A peak current and maintains stable clamping across −40 °C to +125 °C ambient, ensuring uptime in factory-floor environments. |
| Telecom Line Interface | Consumer Power Adapter ESD Protection |
Use Scenario: Safeguarding Ethernet PHY interfaces and RS-485 transceivers in network edge devices exposed to lightning-induced surges. IC Role / Device Role / Timing Role: Secondary-level protection device placed after gas discharge tube (GDT) primary stage, providing low-clamp refinement. Use Value: Delivers 35.5 V clamping at 42.3 A with sub-nanosecond response, reducing residual stress on PHY ICs rated for 36 V absolute maximum. | Use Scenario: ESD suppression on USB-C CC lines and auxiliary power rails in wall adapters certified to IEC 61000-4-2 ±15 kV contact discharge. IC Role / Device Role / Timing Role: Fast-acting TVS placed adjacent to connector, diverting ESD current before it couples into LDOs or USB PD controllers. Use Value: Achieves <1.0 µA leakage at 22 V stand-off, eliminating standby current penalty while meeting AEC-Q101 reliability benchmarks for consumer-grade products. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ22CA | Same VWM (22 V) and PPPM (400 W), but lower power rating and SMA package (higher RθJA ≈ 110 °C/W) | Limited to lower-energy transients (e.g., IEC 61000-4-2 only); not AEC-Q101 qualified | Select when cost sensitivity outweighs automotive qualification and high-power surge immunity |
| SMCJ22CA | Same DO-214AB package, 1500 W rating, but wider VBR tolerance (22.2–26.9 V) and no AEC-Q101 certification | Suitable for industrial/commercial use; lacks automotive validation for temperature cycling and HAST | Choose for non-automotive designs requiring identical footprint and power handling without AEC-Q101 overhead |
Compared with SMAJ22CA and SMCJ22CA, the SMCG22CA-E3/57T delivers AEC-Q101 qualification, tighter VBR tolerance (24.4–26.9 V), and optimized thermal performance in DO-215AB - making it the preferred choice for automotive and high-reliability industrial deployments where long-term clamping stability and reflow robustness are mandatory.
Availability
SMCG22CA-E3/57T is available at Aetrix Electronics and suitable for automotive sensor interfaces, industrial PLC I/O modules, telecom line protection circuits, and consumer power adapter ESD protection requiring stable component supply across multi-year production cycles.
Supply support for SMCG22CA-E3/57T 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, and protection devices with emphasis on reliability, thermal performance, and automotive-grade qualification.
The SMCG series was developed specifically for high-power, bidirectional transient suppression in space-constrained SMT applications - targeting automotive, industrial, and telecom systems demanding AEC-Q101 compliance and consistent clamping behavior across temperature and lifetime.
FAQ
What is the breakdown voltage range for SMCG22CA-E3/57T?
The SMCG22CA-E3/57T has a guaranteed breakdown voltage (VBR) range of 24.4 V to 26.9 V at 10 mA test current, measured per ANSI/IEEE C62.35. This tight tolerance ensures predictable clamping onset across temperature and manufacturing lots, critical for protecting 24 V automotive subsystems where overvoltage margins are narrow. The value is confirmed in the Vishay document 88457, Table on page 2.
Is SMCG22CA-E3/57T suitable for automotive applications?
Yes, SMCG22CA-E3/57T is AEC-Q101 qualified and explicitly rated for automotive use, including under-hood environments. Its construction - glass-passivated junction, MSL Level 1 reflow compatibility, and −55 °C to +150 °C operating range - meets stringent automotive reliability requirements. The "HE3" variant prefix denotes AEC-Q101 qualification, and SMCG22CA-E3/57T shares the same die and qualification as HE3-suffixed parts per Vishay's ordering matrix.
What is the maximum clamping voltage of SMCG22CA-E3/57T at its rated peak pulse current?
The SMCG22CA-E3/57T 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 is measured with the device mounted on 8.0 mm × 8.0 mm copper pads per JEDEC standards and represents the upper limit of voltage seen by protected circuitry during surge events - essential for verifying compatibility with downstream ICs' absolute maximum ratings.
Does SMCG22CA-E3/57T have polarity markings on the package?
No, SMCG22CA-E3/57T does not have polarity markings because it is a bidirectional TVS diode. Unlike unidirectional variants (e.g., SMCG22A), which feature a cathode band, the "CA" suffix indicates symmetrical avalanche behavior in both directions - meaning either terminal can serve as anode or cathode depending on transient polarity. This eliminates orientation concerns during automated placement.
What is the thermal resistance junction-to-ambient for SMCG22CA-E3/57T?
The typical thermal resistance junction-to-ambient (RθJA) for SMCG22CA-E3/57T is 75 °C/W when mounted on the recommended 0.31" × 0.31" (8.0 mm × 8.0 mm) copper pad layout per terminal. This value assumes FR-4 PCB with no internal copper planes; adding inner-layer thermal vias or larger copper areas reduces effective RθJA, improving sustained power dissipation capability beyond the 6.5 W DC rating.
SMCG22CA-E3/57T 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:
- -
- Bidirectional Channels:
- 1
- 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:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AB (SMCG)
SMCG22CA-E3/57T FAQ
1.How can I place an order for SMCG22CA-E3/57T through Aetrix?
Please submit a Request for Quotation (RFQ) for SMCG22CA-E3/57T 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 SMCG22CA-E3/57T reliable?
The price and inventory of SMCG22CA-E3/57T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMCG22CA-E3/57T is usually 5 days.
3.What payment methods are accepted for SMCG22CA-E3/57T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMCG22CA-E3/57T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMCG22CA-E3/57T?
SMCG22CA-E3/57T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMCG22CA-E3/57T 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 SMCG22CA-E3/57T?
For technical support, including SMCG22CA-E3/57T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMCG22CA-E3/57T requirements.
6.How does Aetrix verify that SMCG22CA-E3/57T is sourced from the original manufacturer or authorized distributors?
All SMCG22CA-E3/57T 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 SMCG22CA-E3/57T meets industry standards.
7.What is the process for return or replacement of SMCG22CA-E3/57T?
All SMCG22CA-E3/57T units undergo pre-shipment inspection (PSI). If there is an issue with SMCG22CA-E3/57T, 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 SMCG22CA-E3/57T part is unused and in its original packaging.
Return procedure for SMCG22CA-E3/57T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMCG22CA-E3/57T 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 …
