My Inquiry
My Account
Vishay General Semiconductor - Diodes Division SMCG36CAHE3/57T
- Part No.:
- SMCG36CAHE3/57T
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-215AB, SMC Gull Wing
- Datasheet:
-
SMCG36CAHE3/57T.pdf
- Description:
- TVS DIODE 36VWM 58.1VC DO215AB
- Quantity:
- Payment:
- Shipping:
Inventory:5,769
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
SMCG36CAHE3/57T from Vishay General Semiconductor is a bidirectional transient voltage suppressor (TVS) diode in the SMCG (DO-215AB) surface-mount package, designed for robust overvoltage protection of sensitive electronics. It features a 36 V stand-off voltage (VWM), 40.0–44.2 V breakdown voltage (VBR), 1500 W peak pulse power (PPPM), and clamps to ≤58.1 V at 25.8 A (10/1000 µs waveform). It is AEC-Q101 qualified and used to protect MOSFETs, ICs, and sensor signal lines in automotive and industrial power systems.
For engineers reviewing the SMCG36CAHE3/57T datasheet, SMCG36CAHE3/57T pinout, SMCG36CAHE3/57T application, or SMCG36CAHE3/57T equivalent, key selection criteria include bidirectional clamping capability, 1500 W surge rating, DO-215AB thermal performance (RθJA = 75 °C/W), AEC-Q101 qualification, and compatibility with automated SMT placement on 8.0 mm × 8.0 mm copper pads.
Technical Context
This device operates as a bidirectional avalanche diode, leveraging glass-passivated junction technology to deliver symmetric clamping in both polarities. Its low incremental surge resistance and fast response time enable effective suppression of transients induced by inductive load switching and ESD events.
The SMCG36CAHE3/57T is rated for TJ = –55 °C to +150 °C operation and meets J-STD-020 MSL Level 1 (260 °C peak reflow). Its matte tin-plated leads comply with J-STD-002 and JESD 22-B102, and it carries AEC-Q101 qualification for automotive under-hood applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 36 V - Maximum continuous reverse operating voltage before clamping begins; defines safe signal line operating margin. |
| VBR min/max | 40.0 V / 44.2 V at IT = 1.0 mA - Confirmed bidirectional breakdown range; ensures predictable turn-on across temperature and unit variation. |
| VC @ IPPM | ≤58.1 V at 25.8 A (10/1000 µs) - Clamping voltage under full-rated surge; determines maximum stress imposed on protected downstream circuitry. |
| PPPM | 1500 W - Peak pulse power handling per 10/1000 µs waveform; enables protection against high-energy transients like ISO 7637-2 Pulse 1/2a/5a. |
| ID @ VWM | ≤1.0 µA - Reverse leakage at stand-off voltage; critical for low-power sensor interfaces and battery-backed circuits. |
| TJ max | +150 °C - Maximum junction temperature; supports under-hood automotive deployment without derating in most PCB layouts. |
| RθJA | 75 °C/W - Junction-to-ambient thermal resistance on 8.0 mm × 8.0 mm copper pads; informs thermal design margin for sustained surge duty cycles. |
Pinout & Package
Package: SMCG (DO-215AB) - surface-mount, gull-wing leaded case with 2 terminals, UL 94 V-0 molding compound, and no polarity marking for bidirectional configuration.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Transient current entry (positive polarity) | One side of symmetrical avalanche junction; accepts surge current during positive transients. |
| Cathode | Transient current entry (negative polarity) | Other side of symmetrical junction; accepts surge current during negative transients; electrically identical to Anode in bidirectional mode. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD testing per stress test plan. |
| Glass passivated chip junction | Ensures stable VBR over lifetime and immunity to humidity-induced parameter drift in harsh environments. |
| MSL Level 1 rating | Enables standard SMT reflow without baking; compatible with 260 °C peak profile per J-STD-020. |
| Low incremental surge resistance | Minimizes voltage overshoot during fast-rising transients (e.g., EFT bursts), improving protection fidelity. |
| Matte tin plating | Guarantees solderability per J-STD-002 and whisker resistance per JESD 201 Class 2. |
Applications
| Automotive Power Distribution | Industrial Sensor Signal Lines |
|---|---|
Use Scenario: Protection of 12 V/24 V power rails feeding ECUs, body control modules, and lighting drivers against load dump and inductive switching spikes. IC Role / Device Role / Timing Role: Bidirectional clamping TVS placed at power entry point upstream of DC/DC converters and LDOs. Use Value: Withstands 1500 W surges and clamps below 58.1 V, preventing damage to 40 V-rated input stages while maintaining AEC-Q101 compliance. |
Use Scenario: Shielding analog and digital signal paths (e.g., CAN, LIN, thermistor inputs) in factory automation sensors exposed to ESD and cable discharge events. IC Role / Device Role / Timing Role: Low-leakage (≤1.0 µA) bidirectional TVS mounted directly at connector interface. Use Value: Sub-µA leakage preserves signal integrity in high-impedance sensor bridges; symmetric clamping avoids polarity-dependent design constraints. |
| Consumer Power Adapter Interfaces | Telecom Line Card Surge Protection |
Use Scenario: Input-stage protection for USB-C PD adapters and AC/DC wall adapters subjected to lightning-induced surges on mains-connected secondary sides. IC Role / Device Role / Timing Role: Primary-side TVS on isolated DC bus lines after rectification but before primary controller. Use Value: 1500 W rating handles IEC 61000-4-5 Combination Wave (10/700 µs) energy; DO-215AB footprint supports high-density layout. |
Use Scenario: Front-end transient suppression on Ethernet PHY lines, POTS interfaces, and DSL ports in carrier-grade access equipment. IC Role / Device Role / Timing Role: Bidirectional shunt protector placed between transformer center-tap and PHY IC, referenced to chassis ground. Use Value: 40–44.2 V VBR aligns with 36 V nominal telecom signaling; low capacitance (<100 pF typical) avoids signal integrity degradation at 100 Mbps+ data rates. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ36CA | Same VWM/VBR/PPPM specs but in SMA (DO-214AC) package; RθJA = 85 °C/W vs. 75 °C/W; no AEC-Q101 qualification. | Limited to commercial/industrial use; less suitable for automotive due to missing qualification and higher thermal resistance. | Select when cost sensitivity outweighs automotive compliance and thermal margin requirements. |
| SMCJ36CA | Higher PPPM (3000 W), same VWM/VBR, DO-214AB package; RθJA = 65 °C/W; AEC-Q101 qualified. | Over-spec'd for 1500 W needs; larger footprint and higher BOM cost; better for extreme surge environments (e.g., railway traction). | Choose only if system-level surge testing exceeds 1500 W or long-term reliability under repeated surges is paramount. |
Compared with SMAJ36CA and SMCJ36CA, the SMCG36CAHE3/57T delivers optimal balance of automotive qualification, thermal efficiency (75 °C/W), and precise 1500 W surge capacity in a compact DO-215AB outline-making it ideal for space-constrained, thermally demanding automotive and industrial designs where over-engineering is not justified.
Availability
SMCG36CAHE3/57T is available at Aetrix Electronics and suitable for automotive power distribution, industrial sensor interfaces, consumer adapter protection, and telecom line card surge suppression requiring stable component supply and AEC-Q101 assurance.
Supply support for SMCG36CAHE3/57T 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, automotive qualification, and high-volume manufacturability.
The SMCG series targets high-energy transient suppression in space-constrained surface-mount applications, with design focus on AEC-Q101 compliance, low-profile gull-wing packaging, and consistent clamping performance across temperature and surge repetition.
FAQ
What is the clamping voltage of the SMCG36CAHE3/57T under its rated surge current?
The SMCG36CAHE3/57T clamps to a maximum of 58.1 V when subjected to its rated peak pulse current of 25.8 A (10/1000 µs waveform). This value is measured per ANSI/IEEE C62.35 standards and confirmed in the Vishay datasheet revision 09-Jan-2024. The clamping voltage directly determines the maximum stress seen by downstream components, making it a critical parameter for protecting 40 V-rated ICs and MOSFETs in the SMCG36CAHE3/57T's target applications.
Is the SMCG36CAHE3/57T suitable for automotive applications?
Yes, the SMCG36CAHE3/57T is AEC-Q101 qualified and explicitly rated for automotive use, including under-hood environments. Its construction includes glass-passivated junctions, matte tin-plated leads compliant with JESD 201 Class 2 whisker testing, and MSL Level 1 reflow compatibility. The SMCG36CAHE3/57T's –55 °C to +150 °C operating range and validated reliability testing ensure suitability for engine control units, body electronics, and ADAS sensor modules where transient immunity is mission-critical.
How does the SMCG36CAHE3/57T differ from unidirectional variants like SMCG36A?
The SMCG36CAHE3/57T is bidirectional, meaning it provides symmetrical clamping for both positive and negative transients without polarity marking, whereas SMCG36A is unidirectional and requires correct cathode orientation. The SMCG36CAHE3/57T has identical VWM (36 V) and VBR (40.0–44.2 V) but differs in leakage (≤1.0 µA vs. ≤5.0 µA for SMCG36A) and lacks IFSM rating since bidirectional devices do not conduct forward surge current. This makes the SMCG36CAHE3/57T ideal for AC-coupled or polarity-agnostic signal lines.
What is the thermal resistance of the SMCG36CAHE3/57T, and how does it affect layout?
The SMCG36CAHE3/57T has a typical junction-to-ambient thermal resistance (RθJA) of 75 °C/W when mounted on 0.31" × 0.31" (8.0 mm × 8.0 mm) copper pads per terminal. This value assumes the recommended pad layout shown in the Vishay datasheet; reducing pad area increases RθJA and risks thermal runaway during repetitive surges. For reliable operation in high-duty-cycle applications, maintain minimum copper area and consider internal ground/power planes to enhance heat spreading-critical for sustaining the SMCG36CAHE3/57T's 1500 W rating across temperature.
Does the SMCG36CAHE3/57T require a heatsink for standard operation?
No, the SMCG36CAHE3/57T does not require an external heatsink for single-event surge suppression, as its 1500 W rating is defined for non-repetitive pulses (per Fig. 3 in the datasheet). However, for applications involving frequent or repetitive transients (e.g., motor commutation noise), thermal management becomes essential. The device's RθJA of 75 °C/W and TJ max of +150 °C mean that ambient temperature, PCB copper area, and pulse repetition rate must be jointly evaluated-designers should verify junction temperature rise using the SMCG36CAHE3/57T's transient thermal impedance curve (Fig. 5) to avoid exceeding limits.
SMCG36CAHE3/57T 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):
- 36V
- Voltage - Breakdown (Min):
- 40V
- Voltage - Clamping (Max) @ Ipp:
- 58.1V
- Current - Peak Pulse (10/1000µs):
- 25.8A
- 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)
SMCG36CAHE3/57T FAQ
1.How can I place an order for SMCG36CAHE3/57T through Aetrix?
Please submit a Request for Quotation (RFQ) for SMCG36CAHE3/57T 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 SMCG36CAHE3/57T reliable?
The price and inventory of SMCG36CAHE3/57T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMCG36CAHE3/57T is usually 5 days.
3.What payment methods are accepted for SMCG36CAHE3/57T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMCG36CAHE3/57T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMCG36CAHE3/57T?
SMCG36CAHE3/57T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMCG36CAHE3/57T 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 SMCG36CAHE3/57T?
For technical support, including SMCG36CAHE3/57T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMCG36CAHE3/57T requirements.
6.How does Aetrix verify that SMCG36CAHE3/57T is sourced from the original manufacturer or authorized distributors?
All SMCG36CAHE3/57T 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 SMCG36CAHE3/57T meets industry standards.
7.What is the process for return or replacement of SMCG36CAHE3/57T?
All SMCG36CAHE3/57T units undergo pre-shipment inspection (PSI). If there is an issue with SMCG36CAHE3/57T, 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 SMCG36CAHE3/57T part is unused and in its original packaging.
Return procedure for SMCG36CAHE3/57T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMCG36CAHE3/57T 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 …
