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Vishay General Semiconductor - Diodes Division 1.5SMC36CAHE3_A/I
- Part No.:
- 1.5SMC36CAHE3_A/I
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
1.5SMC36CAHE3_A/I.pdf
- Description:
- TVS DIODE 30.8VWM 49.9VC SMC
- Quantity:
- Payment:
- Shipping:
Inventory:5,834
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Product details
Overview
1.5SMC36CAHE3_A/I from Vishay General Semiconductor is a bidirectional surface-mount Transient Voltage Suppressor (TVS) diode in the SMC (DO-214AB) package, designed for robust overvoltage protection of sensitive electronics. It features a 36 V standoff voltage (VWM), 49.9 V maximum clamping voltage (VC) at 30.1 A peak pulse current (IPPM), and 1500 W peak pulse power capability with a 10/1000 μs waveform - ideal for automotive sensor line and industrial I/O port protection.
For engineers reviewing the 1.5SMC36CAHE3_A/I datasheet, 1.5SMC36CAHE3_A/I pinout, 1.5SMC36CAHE3_A/I application, or 1.5SMC36CAHE3_A/I equivalent, this device delivers AEC-Q101 qualification, low incremental surge resistance, fast response time, and bidirectional clamping symmetry - critical for ESD and lightning transient suppression in harsh environments.
Technical Context
The 1.5SMC36CAHE3_A/I operates as a bidirectional avalanche diode, clamping transients equally in both polarities without polarity marking. Its glass-passivated junction ensures stable breakdown behavior and low leakage (<1.0 μA at 30.8 V), while its thermal resistance (RθJA = 75 °C/W) supports reliable operation up to 150 °C junction temperature.
It meets J-STD-020 MSL Level 1 moisture sensitivity and is rated for repetitive 0.01% duty cycle pulses. The device is optimized for automated placement and soldered per J-STD-002 and JESD 22-B102, with matte tin-plated leads and halogen-free RoHS compliance confirmed by the HM3 suffix variant lineage.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off) | 30.8 V - Maximum continuous reverse voltage before conduction begins; defines safe operating margin for 24 V nominal systems. |
| VBR (Breakdown, min/max) | 34.2 V / 37.8 V at 1.0 mA - Tight 10.5% tolerance ensures predictable turn-on across production lots. |
| VC (Clamping, max) | 49.9 V at 30.1 A - Limits downstream voltage stress during 10/1000 μs surges, protecting 3.3 V–5 V logic interfaces. |
| PPPM | 1500 W - Sustains high-energy transients (e.g., ISO 7637-2 Pulse 1/2b/5a) without failure. |
| IPPM | 30.1 A - Peak current handling capacity under standardized 10/1000 μs waveform, verified on 8.0 mm × 8.0 mm copper pads. |
| TJ max | +150 °C - Enables use in under-hood automotive and industrial enclosures without derating below ambient. |
| Package | SMC (DO-214AB) - Industry-standard 7.11 mm × 6.22 mm footprint with 2.62 mm height; compatible with standard SMT reflow profiles. |
Pinout & Package
Package: SMC (DO-214AB), surface-mount, bidirectional - no polarity marking; symmetrical terminal configuration.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode / Cathode (symmetrical) | Bidirectional transient path | Both terminals function identically; connects across protected line and ground (or between differential lines) without orientation constraint. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive applications including engine control modules and ADAS sensor interfaces. |
| 1500 W peak pulse power | Withstands ISO 16750-2 load dump and IEC 61000-4-5 surge events without degradation. |
| Low clamping ratio (VC/VBR ≈ 1.38) | Minimizes voltage overshoot during clamping - critical for protecting low-voltage microcontrollers and transceivers. |
| MSL Level 1, 260 °C peak reflow | Eliminates pre-baking requirements and supports single-pass lead-free assembly. |
| Glass-passivated junction | Ensures long-term stability of breakdown voltage and leakage current under thermal cycling and humidity stress. |
Applications
| Automotive Sensor Protection | Industrial I/O Port Protection |
|---|---|
Use Scenario: Protecting CAN/LIN bus lines and analog sensor outputs (e.g., pressure, temperature) in engine compartments exposed to load dump and jump-start transients. IC Role / Device Role / Timing Role: Bidirectional TVS clamp placed directly at connector entry point to shunt surge energy before reaching signal conditioning circuitry. Use Value: Maintains signal integrity under ±100 V transients while enabling AEC-Q101-compliant system certification. |
Use Scenario: Safeguarding PLC digital input modules and RS-485 transceivers against induced surges from nearby motor switching or lightning coupling. IC Role / Device Role / Timing Role: Line-to-ground TVS suppressor mounted adjacent to interface connectors to limit transient voltage to <50 V. Use Value: Prevents latch-up and permanent damage in 24 V industrial control systems operating continuously at 85 °C ambient. |
| Consumer Power Adapter Input | Telecom Ethernet Surge Protection |
Use Scenario: Secondary-side overvoltage protection on AC/DC adapter outputs supplying USB-C PD or PoE-powered devices. IC Role / Device Role / Timing Role: Bidirectional clamp across +VOUT and GND to absorb capacitive discharge and ESD events during hot-plug insertion. Use Value: Achieves IEC 61000-4-2 Level 4 (±15 kV air) immunity without adding series impedance or signal delay. |
Use Scenario: Common-mode surge suppression on 10/100/1000BASE-T Ethernet PHY interfaces in network switches and base stations. IC Role / Device Role / Timing Role: Paired TVS array (e.g., across pairs) to clamp differential and common-mode transients simultaneously. Use Value: Enables compliance with IEEE 802.3af/at surge requirements while preserving signal rise/fall times <1 ns. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ36CA | Same VWM (30.8 V) and VC (49.9 V), but lower PPPM = 600 W in SMB package. | Limited to lower-energy transients (e.g., IEC 61000-4-2 ESD only); unsuitable for ISO 7637-2 Pulse 5a. | Select when board space is constrained and surge energy is ≤600 W; verify thermal margin with RθJA = 110 °C/W. |
| 1.5KE36CA | Through-hole TO-218 package; identical electrical specs but higher mounting inductance and manual assembly requirement. | Not suitable for high-volume SMT production; used where mechanical ruggedness outweighs automation needs. | Choose for legacy designs or repair kits requiring through-hole compatibility; avoid for new SMT-based automotive platforms. |
Compared with SMBJ36CA and 1.5KE36CA, the 1.5SMC36CAHE3_A/I uniquely balances 1500 W surge capability, AEC-Q101 qualification, and SMT manufacturability - making it the preferred choice for next-generation automotive and industrial edge nodes requiring zero-layout compromise.
Availability
1.5SMC36CAHE3_A/I is available at Aetrix Electronics and suitable for automotive sensor interfaces, industrial PLC I/O modules, and telecom Ethernet ports requiring stable component supply, full traceability, and long-term lifecycle support.
Supply support for 1.5SMC36CAHE3_A/I 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-power handling.
The 1.5SMC Series was developed specifically for high-energy transient suppression in automotive, industrial, and telecom infrastructure - delivering consistent clamping performance across temperature and lifetime.
FAQ
What does the "CA" suffix mean in 1.5SMC36CAHE3_A/I?
The "CA" suffix in 1.5SMC36CAHE3_A/I denotes a bidirectional configuration - meaning the device clamps voltage transients equally in both polarities, with no anode/cathode distinction. This enables symmetric protection across differential lines or ungrounded circuits without polarity-sensitive layout constraints.
Is 1.5SMC36CAHE3_A/I AEC-Q101 qualified?
Yes, 1.5SMC36CAHE3_A/I is AEC-Q101 qualified, as confirmed by the "HE3" suffix and Vishay's documentation (Document Number 88303). It has passed stress tests including high-temperature operating life, temperature cycling, and ESD per AEC-Q101 Rev D, making it suitable for automotive powertrain and body electronics.
What is the maximum clamping voltage of 1.5SMC36CAHE3_A/I at rated peak pulse current?
The maximum clamping voltage (VC) of 1.5SMC36CAHE3_A/I is 49.9 V at 30.1 A peak pulse current (IPPM) 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.
How does the SMC (DO-214AB) package of 1.5SMC36CAHE3_A/I compare to SMA or SMB packages?
The SMC (DO-214AB) package of 1.5SMC36CAHE3_A/I offers 1500 W peak pulse power - double that of SMB (600 W) and triple that of SMA (400 W) - due to larger copper pad area and lower thermal resistance (RθJA = 75 °C/W vs. 110 °C/W for SMB). Its 7.11 mm × 6.22 mm footprint supports higher surge energy without layout redesign.
Can 1.5SMC36CAHE3_A/I be used in place of a unidirectional TVS like 1.5SMC36AHE3_A/I?
No - 1.5SMC36CAHE3_A/I is bidirectional and lacks polarity marking, while 1.5SMC36AHE3_A/I is unidirectional with cathode band identification. Substitution requires verifying circuit topology: bidirectional use is mandatory for AC-coupled or floating lines; unidirectional is required for DC-biased rails where reverse conduction must be blocked.
1.5SMC36CAHE3_A/I Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AB, SMC
- Series:
- 1.5SMC, TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 30.8V
- Voltage - Breakdown (Min):
- 34.2V
- Voltage - Clamping (Max) @ Ipp:
- 49.9V
- Current - Peak Pulse (10/1000µs):
- 30.1A
- Power - Peak Pulse:
- 1500W (1.5kW)
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AB (SMCJ)
1.5SMC36CAHE3_A/I FAQ
1.How can I place an order for 1.5SMC36CAHE3_A/I through Aetrix?
Please submit a Request for Quotation (RFQ) for 1.5SMC36CAHE3_A/I 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 1.5SMC36CAHE3_A/I reliable?
The price and inventory of 1.5SMC36CAHE3_A/I are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1.5SMC36CAHE3_A/I is usually 5 days.
3.What payment methods are accepted for 1.5SMC36CAHE3_A/I?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 1.5SMC36CAHE3_A/I transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 1.5SMC36CAHE3_A/I?
1.5SMC36CAHE3_A/I orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 1.5SMC36CAHE3_A/I 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 1.5SMC36CAHE3_A/I?
For technical support, including 1.5SMC36CAHE3_A/I datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1.5SMC36CAHE3_A/I requirements.
6.How does Aetrix verify that 1.5SMC36CAHE3_A/I is sourced from the original manufacturer or authorized distributors?
All 1.5SMC36CAHE3_A/I 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 1.5SMC36CAHE3_A/I meets industry standards.
7.What is the process for return or replacement of 1.5SMC36CAHE3_A/I?
All 1.5SMC36CAHE3_A/I units undergo pre-shipment inspection (PSI). If there is an issue with 1.5SMC36CAHE3_A/I, 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 1.5SMC36CAHE3_A/I part is unused and in its original packaging.
Return procedure for 1.5SMC36CAHE3_A/I:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
1.5SMC36CAHE3_A/I Tags
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