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Vishay General Semiconductor - Diodes Division 1.5SMC13AHE3/9AT
- Part No.:
- 1.5SMC13AHE3/9AT
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
1.5SMC13AHE3/9AT.pdf
- Description:
- TVS DIODE 11.1VWM 18.2VC SMC
- Quantity:
- Payment:
- Shipping:
Inventory:6,003
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Product details
Overview
1.5SMC13AHE3/9AT from Vishay General Semiconductor is a unidirectional transient voltage suppressor (TVS) diode designed for robust overvoltage protection in power and signal lines. It features a 13 V breakdown voltage (VBR min/max = 12.4–13.7 V at 1.0 mA), 11.1 V stand-off voltage (VWM), clamps to ≤18.2 V at 82.4 A peak pulse current (10/1000 µs), and delivers 1500 W peak pulse power. It is AEC-Q101 qualified and used to protect MOSFETs, ICs, and sensor interfaces against lightning-induced transients and inductive switching surges in automotive and industrial systems.
For engineers reviewing the 1.5SMC13AHE3/9AT datasheet, 1.5SMC13AHE3/9AT pinout, 1.5SMC13AHE3/9AT application, or 1.5SMC13AHE3/9AT equivalent, key selection criteria include its unidirectional polarity, SMC (DO-214AB) package, 150 °C max junction temperature, MSL Level 1 rating, and compliance with UL 497B for surge protector classification.
Technical Context
The 1.5SMC13AHE3/9AT operates as a silicon avalanche diode with glass-passivated junction, enabling fast response (<1 ps) to transient events and low incremental surge resistance. Its clamping behavior is defined by a 10/1000 µs waveform test condition, with derating above 25 °C per Fig. 2 and thermal resistance of 75 °C/W (junction-to-ambient) on standard 8.0 mm × 8.0 mm copper pads.
It supports unidirectional protection only - cathode marked by band - and exhibits 5.0 µA max reverse leakage at VWM, 0.081 %/°C temperature coefficient of VBR, and meets JESD201 Class 2 whisker resistance. The device is rated for 200 A non-repetitive forward surge (8.3 ms half-sine) and 150 °C maximum operating junction temperature.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 12.4 V / 13.7 V at 1.0 mA - defines reliable avalanche initiation threshold under standardized test conditions |
| VWM | 11.1 V - maximum continuous reverse working voltage before significant leakage begins |
| VC @ IPPM | ≤18.2 V at 82.4 A - clamped voltage during 1500 W transient, determining protected circuit's peak stress level |
| IPPM | 82.4 A (10/1000 µs) - peak surge current capability defining transient energy handling capacity |
| PPPM | 1500 W - peak pulse power rating, critical for IEC 61000-4-5 surge immunity design margin |
| TJ max | +150 °C - maximum junction temperature enabling operation in under-hood automotive environments |
| MSL Level | Level 1 (J-STD-020) - allows unlimited floor life and reflow up to 260 °C peak, simplifying SMT assembly |
Pinout & Package
Package: SMC (DO-214AB), surface-mount, low-profile case with matte tin-plated leads solderable per J-STD-002 and JESD22-B102. Dimensions: 7.11 mm × 6.22 mm × 2.62 mm (L × W × H); cathode identified by molded band.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry terminal in forward bias; connected to system ground or low-side reference | Completes conduction path during transient clamp; must be routed with low-inductance ground plane |
| Cathode | Current exit terminal in forward bias; marked by band; connected to protected line | Defines polarity-sensitive placement - reverse connection disables protection function |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD testing per stress requirements |
| 1500 W peak pulse power (10/1000 µs) | Supports Level 4 IEC 61000-4-5 surge immunity (4 kV line-earth, 2 kV line-line) without external series impedance |
| Glass passivated junction | Ensures stable VBR over lifetime and improved moisture resistance vs. epoxy-passivated alternatives |
| Low incremental surge resistance | Minimizes clamping voltage overshoot during fast-rising transients (e.g., EFT bursts), improving protection margin |
| UL 497B recognition (QVGQ2) | Enables use in certified telecom and industrial surge protection modules without additional safety agency review |
Applications
| Automotive Power Rail Protection | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: Protecting 12 V battery-supplied ECUs from load dump and alternator transients. IC Role / Device Role / Timing Role: Unidirectional TVS placed between power rail and chassis ground to clamp surges exceeding 13.7 V. Use Value: Limits rail voltage to ≤18.2 V during 82.4 A transients, preventing damage to downstream DC-DC converters and microcontrollers. |
Use Scenario: Safeguarding analog output lines (e.g., 4–20 mA current loops) in factory automation sensors. IC Role / Device Role / Timing Role: TVS mounted across signal and return lines to absorb ESD and inductive kickback from solenoid drivers. Use Value: Clamps transients within nanoseconds while adding <1 pF capacitance, preserving signal integrity up to 1 MHz bandwidth. |
| Telecom Line Card Surge Suppression | Consumer Power Adapter Input Stage |
Use Scenario: Secondary-side overvoltage protection on PoE-powered Ethernet switches. IC Role / Device Role / Timing Role: Unidirectional suppressor on +48 V DC input rail, referenced to isolated ground. Use Value: Withstands repetitive 1500 W surges per IEEE 802.3bt requirements while maintaining UL 497B certification. |
Use Scenario: Input-stage transient suppression in AC/DC adapters for smart home devices. IC Role / Device Role / Timing Role: First-line defense against mains-borne surges entering via rectified DC bus. Use Value: Provides 1500 W surge rating with 11.1 V standoff, enabling compact design without sacrificial fusing or varistors. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ13A-E3/57T | Same VBR/VWM/VC specs but lower PPPM (400 W), SMA package (smaller footprint, higher RθJA) | Limited to lower-energy transients (IEC 61000-4-2 ESD only); unsuitable for IEC 61000-4-5 line surges | Select when board space is constrained and surge threat level is limited to ESD or low-duty-cycle switching noise. |
| 1.5KE13A | Through-hole DO-201 package, identical electrical specs, no AEC-Q101 qualification, higher RθJA (100 °C/W) | Not suitable for automated SMT lines or automotive under-hood thermal profiles; requires wave soldering | Choose for legacy through-hole designs or prototyping where reflow compatibility and automotive qualification are not required. |
Compared with SMAJ13A-E3/57T and 1.5KE13A, the 1.5SMC13AHE3/9AT uniquely combines 1500 W surge capability, SMC surface-mount form factor, AEC-Q101 qualification, and UL 497B recognition - making it the only option among the three qualified for high-reliability automotive and industrial SMT production.
Availability
1.5SMC13AHE3/9AT is available at Aetrix Electronics and suitable for automotive electronics, industrial sensor systems, and telecom infrastructure requiring stable component supply with full traceability and long-term lifecycle support.
Supply support for 1.5SMC13AHE3/9AT 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, rectifiers, MOSFETs, and protection devices with emphasis on reliability, efficiency, and application-specific performance.
The 1.5SMC Series is engineered for high-power transient suppression in harsh environments - targeting automotive, industrial, and telecom applications where robustness, AEC-Q101 compliance, and UL recognition are mandatory.
FAQ
What is the clamping voltage of the 1.5SMC13AHE3/9AT under maximum surge conditions?
The 1.5SMC13AHE3/9AT clamps to a maximum of 18.2 V when subjected to its rated 82.4 A peak pulse current (10/1000 µs waveform). This value is measured at the device terminals under standardized test conditions with 8.0 mm × 8.0 mm copper pads per JEDEC standards and represents the upper limit of voltage seen by protected circuitry during worst-case transients.
Is the 1.5SMC13AHE3/9AT suitable for bidirectional signal line protection?
No, the 1.5SMC13AHE3/9AT is a unidirectional TVS diode, indicated by the "A" suffix and cathode band marking. For bidirectional protection, Vishay offers the 1.5SMC13CA variant. Using the 1.5SMC13AHE3/9AT on AC or symmetrical signal lines would result in forward conduction during negative half-cycles and potential failure.
Does the 1.5SMC13AHE3/9AT require a heatsink for continuous power dissipation?
No - the 1.5SMC13AHE3/9AT is rated for 6.5 W steady-state power dissipation on an infinite heatsink at 50 °C ambient, but its primary function is transient suppression, not continuous operation. Under normal conditions, it draws negligible current (<5 µA at 11.1 V), so no heatsink is needed; thermal design focuses on transient energy absorption, not steady-state cooling.
What does the "HE3/9AT" suffix indicate in 1.5SMC13AHE3/9AT?
The "HE3" denotes RoHS-compliant construction with AEC-Q101 qualification; "9AT" specifies packaging in 13-inch diameter plastic tape and reel with 3500 units per reel. This ordering code ensures automotive-grade reliability, full traceability, and compatibility with high-speed pick-and-place equipment using standard SMT feeders.
How does the 1.5SMC13AHE3/9AT perform in high-humidity environments?
The 1.5SMC13AHE3/9AT uses glass-passivated chip junctions and UL 94 V-0 compliant molding compound, providing excellent moisture resistance and long-term stability in 85 °C/85 % RH environments. Its qualification per AEC-Q101 includes biased humidity testing (THB), confirming functionality after 1000 hours under stress without parametric shift or corrosion.
1.5SMC13AHE3/9AT 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:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 11.1V
- Voltage - Breakdown (Min):
- 12.4V
- Voltage - Clamping (Max) @ Ipp:
- 18.2V
- Current - Peak Pulse (10/1000µs):
- 82.4A
- 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)
1.5SMC13AHE3/9AT FAQ
1.How can I place an order for 1.5SMC13AHE3/9AT through Aetrix?
Please submit a Request for Quotation (RFQ) for 1.5SMC13AHE3/9AT 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 1.5SMC13AHE3/9AT reliable?
The price and inventory of 1.5SMC13AHE3/9AT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1.5SMC13AHE3/9AT is usually 5 days.
3.What payment methods are accepted for 1.5SMC13AHE3/9AT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 1.5SMC13AHE3/9AT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 1.5SMC13AHE3/9AT?
1.5SMC13AHE3/9AT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 1.5SMC13AHE3/9AT 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 1.5SMC13AHE3/9AT?
For technical support, including 1.5SMC13AHE3/9AT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1.5SMC13AHE3/9AT requirements.
6.How does Aetrix verify that 1.5SMC13AHE3/9AT is sourced from the original manufacturer or authorized distributors?
All 1.5SMC13AHE3/9AT 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 1.5SMC13AHE3/9AT meets industry standards.
7.What is the process for return or replacement of 1.5SMC13AHE3/9AT?
All 1.5SMC13AHE3/9AT units undergo pre-shipment inspection (PSI). If there is an issue with 1.5SMC13AHE3/9AT, 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 1.5SMC13AHE3/9AT part is unused and in its original packaging.
Return procedure for 1.5SMC13AHE3/9AT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
1.5SMC13AHE3/9AT Tags
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