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Vishay General Semiconductor - Diodes Division 1.5SMC220CAHE3/9AT
- Part No.:
- 1.5SMC220CAHE3/9AT
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
1.5SMC220CAHE3/9AT.pdf
- Description:
- TVS DIODE 185VWM 328VC SMC
- Quantity:
- Payment:
- Shipping:
Inventory:6,697
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Product details
Overview
1.5SMC220CAHE3/9AT from Vishay General Semiconductor is a bidirectional transient voltage suppressor (TVS) diode designed for robust overvoltage protection in power and signal lines. It features a 220 V standoff voltage (VWM), 231 V minimum breakdown voltage (VBR), 328 V maximum clamping voltage (VC) at 4.6 A peak pulse current, and 1500 W peak pulse power rating with 10/1000 μs waveform - deployed in automotive sensor interfaces and industrial I/O protection.
For engineers reviewing the 1.5SMC220CAHE3/9AT datasheet, 1.5SMC220CAHE3/9AT pinout, 1.5SMC220CAHE3/9AT application, or 1.5SMC220CAHE3/9AT equivalent, key selection criteria include bidirectional clamping performance, AEC-Q101 qualification, SMC (DO-214AB) package thermal resistance, and compliance with UL 497B surge protector classification.
Technical Context
This device operates as a voltage-clamped crowbar during transients, leveraging avalanche breakdown across both polarities to limit surge energy before it reaches downstream circuitry. Its glass-passivated junction ensures stable VBR tolerance (±5%) and low leakage (<1 μA at 185 V), while MSL Level 1 moisture sensitivity supports lead-free reflow up to 260 °C.
The 1.5SMC220CAHE3/9AT delivers repeatable 1500 W surge handling under 0.01% duty cycle conditions when mounted on 8.0 mm × 8.0 mm copper pads. Its 75 °C/W junction-to-ambient thermal resistance and 15 °C/W junction-to-lead resistance enable reliable operation up to 150 °C junction temperature without derating in standard PCB layouts.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off) | 185 V - Maximum continuous reverse voltage before conduction begins; defines safe operating margin below clamping threshold. |
| VBR (Breakdown) | 209–231 V at 1 mA - Confirmed avalanche onset range; ensures predictable turn-on during fast transients. |
| VC (Clamping) | 328 V at IPPM = 4.6 A - Peak voltage seen by protected circuit during 10/1000 μs surge; determines stress on downstream ICs. |
| PPPM | 1500 W - Surge energy absorption capacity per event; enables protection against lightning-induced surges per IEC 61000-4-5. |
| TJ max. | +150 °C - Maximum junction temperature; supports operation in under-hood automotive environments and industrial enclosures. |
| Package | SMC (DO-214AB) - Surface-mount outline with 7.75 mm × 6.22 mm footprint; compatible with automated pick-and-place and reflow. |
| AEC-Q101 | Qualified - Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD testing per AEC specification. |
Pinout & Package
Package: SMC (DO-214AB), molded plastic case with matte tin-plated leads, UL 94 V-0 rated compound, polarity-unmarked for bidirectional operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Surge return path (bidirectional) | Provides symmetrical conduction path during positive or negative transients; no cathode marking required. |
| Cathode | Surge return path (bidirectional) | Electrically identical to anode in CA devices; terminals are interchangeable for layout flexibility. |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Enables single-device protection of AC-coupled or floating signal lines without polarity constraints. |
| 1500 W peak pulse power | Withstands 10/1000 μs surges up to 4.6 A - meets IEC 61000-4-5 Level 4 immunity requirements. |
| AEC-Q101 qualification | Validated for automotive applications including engine control modules, ADAS sensors, and body electronics. |
| MSL Level 1 | Allows unlimited floor life and compatibility with standard lead-free reflow profiles (peak 260 °C). |
| UL 497B recognition | QVGQ2 file E136766 confirms suitability as a listed surge protector in telecom and industrial safety systems. |
Applications
| Automotive Sensor Protection | Industrial PLC I/O Protection |
|---|---|
Use Scenario: Protecting CAN bus transceivers and analog sensor inputs (e.g., pressure, temperature) from load-dump and ISO 7637-2 pulses. IC Role / Device Role / Timing Role: Bidirectional voltage clamp placed across differential signal pair or supply rail to shunt surge energy to ground. Use Value: Prevents latch-up or gate oxide damage in 3.3 V/5 V interface ICs by limiting transient voltage to ≤328 V during 10/1000 μs events. |
Use Scenario: Safeguarding 24 V DC digital input modules in programmable logic controllers against field-wiring induced surges. IC Role / Device Role / Timing Role: Primary surge suppression element installed at terminal block entry point before optocoupler or Schmitt trigger input stage. Use Value: Maintains functional integrity during repeated 1 kV/500 A transients per IEC 61000-4-5, extending system uptime in factory automation. |
| Telecom Line Interface | Consumer Power Adapter Input |
Use Scenario: Secondary-side protection of Ethernet PHY power rails and auxiliary bias supplies in PoE-powered equipment. IC Role / Device Role / Timing Role: Fast-response TVS placed between isolated DC/DC output and local regulator input to absorb coupled surges. Use Value: Clamps induced transients within 1 ns response time, preventing brownout or reset events in management microcontrollers. |
Use Scenario: Input-stage surge suppression in universal-input AC/DC adapters for smart home hubs and IoT gateways. IC Role / Device Role / Timing Role: First-line defense across bulk capacitor terminals to divert line-to-ground surges before rectifier bridge. Use Value: Enables compliance with UL 62368-1 Annex D and EN 61000-4-5 by limiting let-through energy to <10 mJ per event. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ220CA | Lower PPPM (600 W), same VWM/VBR range, SMB package (smaller footprint, higher RθJA = 110 °C/W) | Preferred for space-constrained consumer designs where 1500 W rating is not required | Select when board area is critical and surge threat level is ≤Level 3 per IEC 61000-4-5 |
| 1.5KE220CA | Through-hole DO-201 package, identical electrical specs but incompatible with SMT assembly | Used in legacy industrial controls requiring manual soldering or high-vibration mechanical retention | Choose only if existing production uses through-hole processes or requires higher mechanical robustness than SMC allows |
Compared with SMBJ220CA and 1.5KE220CA, the 1.5SMC220CAHE3/9AT uniquely combines AEC-Q101 qualification, SMC surface-mount compatibility, and full 1500 W surge rating - making it the optimal choice for new automotive and industrial SMT designs requiring certified reliability and high-energy clamping.
Availability
1.5SMC220CAHE3/9AT is available at Aetrix Electronics and suitable for automotive sensor interfaces, industrial PLC I/O modules, telecom line interfaces, and consumer power adapter inputs requiring stable component supply and long-term lifecycle support.
Supply support for 1.5SMC220CAHE3/9AT 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, MOSFETs, optoelectronics, and passive components with emphasis on high-reliability and automotive-grade solutions.
The 1.5SMC Series was engineered specifically for high-power transient suppression in harsh environments, targeting automotive, industrial, and telecom applications where AEC-Q101 compliance and 1500 W surge capability are mandatory.
FAQ
What is the clamping voltage of the 1.5SMC220CAHE3/9AT under a 10/1000 μs surge?
The 1.5SMC220CAHE3/9AT has a maximum clamping voltage (VC) of 328 V at 4.6 A peak pulse current with a 10/1000 μs waveform. This value is measured per Figure 1 in Vishay document 88303 and represents the upper voltage limit imposed on protected circuitry during standardized surge events - critical for ensuring downstream ICs remain within absolute maximum ratings.
Is the 1.5SMC220CAHE3/9AT qualified for automotive use?
Yes, the 1.5SMC220CAHE3/9AT carries the HE3 suffix, indicating RoHS-compliant construction and full AEC-Q101 qualification. It has passed stress tests including temperature cycling, high-temperature reverse bias (HTRB), and ESD per AEC-Q101 Rev G, making it suitable for under-hood and chassis-mounted automotive electronics.
What does the "CA" suffix mean in 1.5SMC220CAHE3/9AT?
The "CA" suffix denotes a bidirectional configuration: the 1.5SMC220CAHE3/9AT conducts symmetrically in both forward and reverse directions, enabling single-device protection of AC signals, floating buses, or ungrounded power rails. Unlike unidirectional variants (e.g., 1.5SMC220A), it has no polarity marking and no cathode band.
What is the thermal resistance of the 1.5SMC220CAHE3/9AT?
The 1.5SMC220CAHE3/9AT has a typical junction-to-ambient thermal resistance (RθJA) of 75 °C/W when mounted on 8.0 mm × 8.0 mm copper pads per JEDEC standards. Its junction-to-lead resistance (RθJL) is 15 °C/W, supporting efficient heat transfer to PCB traces or heatsinks in high-duty-cycle surge environments.
Does the 1.5SMC220CAHE3/9AT meet UL safety standards?
Yes, the 1.5SMC220CAHE3/9AT is recognized by Underwriters Laboratories under file E136766 for classification as a protector per UL 497B. This certification validates its use in telecom, industrial, and automotive safety-critical surge protection circuits where third-party compliance is mandated.
1.5SMC220CAHE3/9AT 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:
- Discontinued at Digi-Key
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 185V
- Voltage - Breakdown (Min):
- 209V
- Voltage - Clamping (Max) @ Ipp:
- 328V
- Current - Peak Pulse (10/1000µs):
- 4.6A
- 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)
1.5SMC220CAHE3/9AT FAQ
1.How can I place an order for 1.5SMC220CAHE3/9AT through Aetrix?
Please submit a Request for Quotation (RFQ) for 1.5SMC220CAHE3/9AT 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 1.5SMC220CAHE3/9AT reliable?
The price and inventory of 1.5SMC220CAHE3/9AT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1.5SMC220CAHE3/9AT is usually 5 days.
3.What payment methods are accepted for 1.5SMC220CAHE3/9AT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 1.5SMC220CAHE3/9AT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 1.5SMC220CAHE3/9AT?
1.5SMC220CAHE3/9AT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 1.5SMC220CAHE3/9AT 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 1.5SMC220CAHE3/9AT?
For technical support, including 1.5SMC220CAHE3/9AT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1.5SMC220CAHE3/9AT requirements.
6.How does Aetrix verify that 1.5SMC220CAHE3/9AT is sourced from the original manufacturer or authorized distributors?
All 1.5SMC220CAHE3/9AT 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 1.5SMC220CAHE3/9AT meets industry standards.
7.What is the process for return or replacement of 1.5SMC220CAHE3/9AT?
All 1.5SMC220CAHE3/9AT units undergo pre-shipment inspection (PSI). If there is an issue with 1.5SMC220CAHE3/9AT, 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 1.5SMC220CAHE3/9AT part is unused and in its original packaging.
Return procedure for 1.5SMC220CAHE3/9AT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
1.5SMC220CAHE3/9AT Tags
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