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Vishay General Semiconductor - Diodes Division 3KASMC13HE3_A/H
- Part No.:
- 3KASMC13HE3_A/H
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
3KASMC13HE3_A/H.pdf
- Description:
- TVS DIODE 13VWM 23.8VC DO214AB
- Quantity:
- Payment:
- Shipping:
Inventory:7,736
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Product details
Overview
3KASMC13HE3_A/H from Vishay General Semiconductor is a unidirectional surface-mount transient voltage suppressor (TVS) diode in DO-214AB (SMC) package, rated for 13 V stand-off voltage, 14.4–15.9 V breakdown at 1 mA, 3000 W peak pulse power (10/1000 μs), 21.5 V clamping voltage at 140 A surge current, and qualified to AEC-Q101 for automotive electronics protection.
For engineers reviewing the 3KASMC13HE3_A/H datasheet, 3KASMC13HE3_A/H pinout, 3KASMC13HE3_A/H application, or 3KASMC13HE3_A/H equivalent, this device serves as a high-reliability, high-temperature (TJ = 185 °C) clamping solution for inductive switching transients on power rails and signal lines in automotive ECUs, industrial sensors, and telecom interface circuits.
Technical Context
This TVS diode employs passivated anisotropic rectifier technology optimized for junction stability under thermal stress, enabling operation up to 185 °C junction temperature - critical for under-hood automotive applications and high-power industrial systems. Its unidirectional polarity and low incremental surge resistance ensure fast response (<1 ns) and minimal clamping overshoot during ESD or load-dump events.
The device meets MSL Level 1 per J-STD-020 with 260 °C reflow peak, uses matte tin-plated leads compliant with J-STD-002 and JESD 22-B102, and features UL 94 V-0 molding compound - confirming suitability for automated SMT assembly and long-term reliability in harsh environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 13 V - Maximum reverse working voltage before clamping begins; defines safe operating margin for 12 V nominal systems. |
| VBR (min/max) | 14.4 V / 15.9 V at 1 mA - Confirmed breakdown range ensures consistent turn-on behavior across production lots. |
| VC @ IPPM | 21.5 V at 140 A - Clamping voltage limits downstream IC stress during 3000 W transient events. |
| PPPM | 3000 W (10/1000 μs) - Peak pulse power rating validates robustness against ISO 7637-2 Load Dump and IEC 61000-4-5 surges. |
| TJ max. | 185 °C - Enables use in high-ambient-temperature locations without derating, e.g., engine control modules. |
| AEC-Q101 | Qualified - Confirms reliability validation for automotive-grade component deployment per stress test requirements. |
| RθJA | 77.5 °C/W - Thermal resistance informs PCB pad layout design for effective heat dissipation without heatsink. |
Pinout & Package
Package: DO-214AB (SMC), surface-mount, cathode indicated by molded band. Dimensions: 6.22 mm × 5.59 mm × 2.41 mm (L × W × H); recommended pad layout per Vishay spec.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Low-side connection to protected circuit ground or return path | Completes clamping path during overvoltage; must be routed with low-inductance trace to minimize voltage overshoot. |
| Cathode | High-side connection to protected line (e.g., 12 V rail or signal line) | Marked by color band; carries full surge current into ground during clamping event. |
Key Features
| Feature | Design Value |
|---|---|
| Junction passivation optimized design | Enables stable leakage performance and reduced parameter drift over 15+ year automotive life cycles. |
| 185 °C junction temperature capability | Supports direct placement near high-power components (e.g., motor drivers) without thermal derating. |
| 3000 W peak pulse power (10/1000 μs) | Meets stringent ISO 16750-2 and SAE J1113-11 surge immunity requirements for 12 V systems. |
| MSL Level 1, 260 °C peak reflow | Allows single-pass lead-free reflow without moisture sensitivity concerns or baking preconditioning. |
| Matte tin-plated leads, JESD 201 Class 2 whisker tested | Ensures solder joint integrity and long-term interconnect reliability in vibration-prone automotive environments. |
Applications
| Automotive Engine Control Unit (ECU) | Industrial Motor Drive Power Supply |
|---|---|
Use Scenario: Protection of microcontroller I/O and CAN transceiver power rails against load dump transients during alternator regulation failure. IC Role / Device Role: Unidirectional TVS clamp placed between 12 V input and chassis ground. Use Value: Limits clamped voltage to 21.5 V, preventing damage to 3.3 V/5 V logic supplies and ensuring ASIL-B system continuity. |
Use Scenario: Safeguarding gate driver ICs and current-sense amplifiers from inductive kickback when PWM-controlling BLDC motors. IC Role / Device Role: Fast-response surge suppressor on low-side shunt resistor supply and feedback lines. Use Value: Sub-1 ns response and 140 A surge handling prevent false triggering and sensor saturation during commutation spikes. |
| Telecom Base Station Interface | Automotive ADAS Camera Module |
Use Scenario: Shielding RS-485 transceivers and Ethernet PHYs from lightning-induced surges on outdoor cabling. IC Role / Device Role: Primary-level TVS on data line pairs and auxiliary 3.3 V bias rails. Use Value: 21.5 V clamping preserves signal integrity while meeting IEC 61000-4-5 Level 4 (4 kV) immunity requirements. |
Use Scenario: Guarding MIPI CSI-2 data lanes and image sensor power inputs against ESD and cable discharge events. IC Role / Device Role: Low-capacitance TVS on high-speed differential pairs and 1.8 V/2.8 V domain supplies. Use Value: Maintains signal fidelity with <1 pF junction capacitance at zero bias, verified per Fig. 4 in datasheet. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ13A | Lower PPPM (400 W), same DO-214AC (SMA) package, VC = 21.5 V at 19.9 A | Not suitable for ISO 7637-2 load dump; limited to ESD and low-energy transients | Select only for cost-sensitive consumer applications where 3000 W surge immunity is not required. |
| SMCJ13A | Same DO-214AB (SMC) package, identical VWM/VBR/VC, but rated for 1500 W PPPM and not AEC-Q101 qualified | Lacks automotive qualification; thermal rating limited to TJ = 175 °C | Acceptable for industrial non-automotive use where AEC-Q101 and 185 °C operation are not mandated. |
Compared with SMAJ13A and SMCJ13A, the 3KASMC13HE3_A/H delivers 2× higher peak pulse power, full AEC-Q101 qualification, and extended 185 °C junction capability - making it the only option for mission-critical automotive power rail protection requiring sustained high-temperature reliability.
Availability
3KASMC13HE3_A/H is available at Aetrix Electronics and suitable for automotive ECU design, industrial motor drive development, and telecom infrastructure projects requiring stable component supply, long-lifecycle support, and guaranteed RoHS-compliant sourcing.
Supply support for 3KASMC13HE3_A/H 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 high-reliability diodes, MOSFETs, optoelectronics, and passive components for demanding industrial and automotive applications.
The 3KASMC series belongs to Vishay's PAR® (Protected Automotive Rectifier) family, engineered specifically for AEC-Q101-compliant transient suppression in high-temperature, high-surge automotive subsystems such as body control modules and powertrain electronics.
FAQ
What is the maximum clamping voltage of the 3KASMC13HE3_A/H under surge conditions?
The 3KASMC13HE3_A/H has a maximum clamping voltage (VC) of 21.5 V at 140 A peak pulse current (IPPM) using a 10/1000 μs waveform. This value is measured per ANSI/IEEE C62.35 and ensures predictable overvoltage limiting for downstream 12 V system components. The 3KASMC13HE3_A/H maintains this clamping performance across its full operating temperature range.
Is the 3KASMC13HE3_A/H qualified for automotive applications?
Yes, the 3KASMC13HE3_A/H is AEC-Q101 qualified and explicitly designed for automotive use. It supports junction temperatures up to 185 °C, meets MSL Level 1 reflow requirements, and uses whisker-tested matte tin plating - all validated per automotive stress test standards. The 3KASMC13HE3_A/H appears in Vishay's official AEC-Q101 qualified product list for transient suppressors.
What package type does the 3KASMC13HE3_A/H use, and what are its key mechanical dimensions?
The 3KASMC13HE3_A/H uses the DO-214AB (SMC) surface-mount package, with overall dimensions of 6.22 mm × 5.59 mm × 2.41 mm (L × W × H). The cathode is marked by a molded band, and the device requires the minimum pad layout specified in Vishay document 89962 - including 3.20 mm minimum anode/cathode pad length and 1.52 mm minimum solder mask clearance.
How does the 3KASMC13HE3_A/H compare to standard SMAJ-series TVS diodes in surge handling capability?
The 3KASMC13HE3_A/H delivers 3000 W peak pulse power (10/1000 μs), which is 7.5× higher than the 400 W rating of SMAJ13A. Its 140 A IPPM and 21.5 V VC enable robust protection against ISO 7637-2 load dump events, whereas SMAJ13A is limited to ESD and low-energy transients. The 3KASMC13HE3_A/H also adds AEC-Q101 qualification and 185 °C operation - features absent in SMAJ13A.
What is the reverse leakage current specification for the 3KASMC13HE3_A/H at maximum operating temperature?
At VWM = 13 V and TJ = 150 °C, the 3KASMC13HE3_A/H exhibits a maximum reverse leakage current (IR) of 20 μA. At room temperature (25 °C), leakage is ≤2.0 μA. This low, thermally stable leakage ensures minimal standby power loss in always-on automotive modules - a key design requirement confirmed in the Electrical Characteristics table of Vishay document 89962.
3KASMC13HE3_A/H Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AB, SMC
- Series:
- PAR®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 13V
- Voltage - Breakdown (Min):
- 14.4V
- Voltage - Clamping (Max) @ Ipp:
- 23.8V
- Current - Peak Pulse (10/1000µs):
- 126A
- Power - Peak Pulse:
- 3000W (3kW)
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 185°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AB (SMCJ)
3KASMC13HE3_A/H FAQ
1.How can I place an order for 3KASMC13HE3_A/H through Aetrix?
Please submit a Request for Quotation (RFQ) for 3KASMC13HE3_A/H 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 3KASMC13HE3_A/H reliable?
The price and inventory of 3KASMC13HE3_A/H are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 3KASMC13HE3_A/H is usually 5 days.
3.What payment methods are accepted for 3KASMC13HE3_A/H?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 3KASMC13HE3_A/H transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 3KASMC13HE3_A/H?
3KASMC13HE3_A/H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 3KASMC13HE3_A/H 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 3KASMC13HE3_A/H?
For technical support, including 3KASMC13HE3_A/H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 3KASMC13HE3_A/H requirements.
6.How does Aetrix verify that 3KASMC13HE3_A/H is sourced from the original manufacturer or authorized distributors?
All 3KASMC13HE3_A/H 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 3KASMC13HE3_A/H meets industry standards.
7.What is the process for return or replacement of 3KASMC13HE3_A/H?
All 3KASMC13HE3_A/H units undergo pre-shipment inspection (PSI). If there is an issue with 3KASMC13HE3_A/H, 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 3KASMC13HE3_A/H part is unused and in its original packaging.
Return procedure for 3KASMC13HE3_A/H:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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