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Vishay General Semiconductor - Diodes Division 5KASMC10AHM3_A/I
- Part No.:
- 5KASMC10AHM3_A/I
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
5KASMC10AHM3_A/I.pdf
- Description:
- TVS DIODE 10VWM 17VC DO214AB
- Quantity:
- Payment:
- Shipping:
Inventory:6,607
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Product details
Overview
5KASMC10AHM3_A/I from Vishay General Semiconductor is a unidirectional surface-mount PAR® transient voltage suppressor (TVS) designed for high-energy surge clamping in automotive and industrial power rails. It delivers 5000 W peak pulse power (10/1000 μs), clamps at ≤17.0 V under 294.1 A surge, and operates up to 185 °C junction temperature. It is AEC-Q101 qualified and housed in an SMC (DO-214AB) package with matte tin-plated leads.
For engineers reviewing the 5KASMC10AHM3_A/I datasheet, 5KASMC10AHM3_A/I pinout, 5KASMC10AHM3_A/I application, or 5KASMC10AHM3_A/I equivalent, this page provides verified electrical specs, thermal derating behavior, clamping performance at rated IPPM, MSL Level 1 reflow compatibility, and automotive-grade reliability validation per JESD22-B102 whisker testing.
Technical Context
This TVS diode uses passivated anisotropic rectifier technology to achieve low incremental surge resistance and fast response time (<1 ns), enabling robust protection against inductive switching transients and ESD events. Its 11.1–12.3 V breakdown range (at 1 mA) and 10 V stand-off voltage ensure stable operation across automotive battery-supplied circuits.
The device is optimized for high-temperature stability: thermal resistance junction-to-mount is 20.8 °C/W, and it maintains clamping integrity up to TJ = 185 °C - critical for under-hood and motor-control applications where ambient temperatures exceed 125 °C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/typ/max) | 11.1 / 11.7 / 12.3 V at IT = 1 mA - defines precise overvoltage triggering threshold for reliable system-level fault detection |
| VWM | 10 V - maximum continuous reverse operating voltage before leakage exceeds 20 μA; sets safe DC bias margin |
| VC @ IPPM | 17.0 V at 294.1 A (10/1000 μs) - clamping voltage during worst-case surge; determines protected IC's voltage stress limit |
| PPPM | 5000 W - peak pulse power handling capacity; enables single-device protection of 12 V automotive power nets against ISO 7637-2 Pulse 5a |
| TJ max | +185 °C - extended junction temperature rating supports placement near heat sources without derating loss |
| Package | SMC (DO-214AB) - industry-standard surface-mount outline with 7.75 mm × 6.22 mm footprint and 2.62 mm height; compatible with automated assembly |
| AEC-Q101 | Qualified - validated for automotive electronics per stress test requirements including HTGB, HTRB, and TCT |
Pinout & Package
Package: SMC (DO-214AB), molded epoxy case meeting UL 94 V-0; cathode indicated by color band; matte tin-plated leads compliant with J-STD-002 and JESD22-B102 (Class 2 whisker test).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Cathode (banded end) | Surge current sink node | Connected to protected line (e.g., 12 V rail); conducts during overvoltage to shunt energy to ground |
| Anode | Reference/return path | Typically tied to system ground or low-impedance return plane; completes clamping loop during transient event |
Key Features
| Feature | Design Value |
|---|---|
| Junction passivation | Optimized anisotropic rectifier structure reduces leakage drift over temperature and lifetime, improving long-term clamping consistency |
| MSL Level 1 | Rated for peak reflow of 260 °C - eliminates pre-bake requirement and supports standard lead-free PCB assembly |
| Low Rsurge | Minimizes voltage overshoot during fast-rising transients (e.g., load dump), preserving downstream MOSFET gate oxide integrity |
| Halogen-free & RoHS | HM3 suffix confirms compliance with environmental regulations and automotive material categorization per Vishay doc#99912 |
Applications
| Automotive Power Rail Protection | Industrial Motor Drive I/O Protection |
|---|---|
Use Scenario: Protecting 12 V battery-fed ECUs, body control modules, and lighting drivers from ISO 7637-2 load-dump transients (Pulse 5a) and inductive kickback. IC Role / Device Role / Timing Role: Primary clamping element placed between power input and bulk capacitance; responds within nanoseconds to divert >200 A surges. Use Value: Clamps to ≤17.0 V at 294.1 A, preventing damage to 24 V-rated CAN transceivers and microcontrollers while maintaining AEC-Q101 qualification. | Use Scenario: Safeguarding PLC analog input channels and digital I/O lines connected to solenoids, relays, and contactors in factory automation systems. IC Role / Device Role / Timing Role: Bidirectional transient suppression on signal lines; used in conjunction with series impedance to limit current into ADC front-ends. Use Value: Delivers 5000 W pulse handling with <1 ns response, ensuring sensor signal integrity remains intact during 1 kV/μs fast-edge switching noise. |
| Automotive Sensor Signal Line Protection | Telecom Power Supply Input Stage |
Use Scenario: Shielding LIN bus and analog sensor outputs (e.g., pressure, temperature) from coupled transients in engine bay harnesses. IC Role / Device Role / Timing Role: Unidirectional TVS placed at connector interface; cathode to signal line, anode to chassis ground. Use Value: 10 V stand-off ensures no interference with 5 V or 3.3 V sensor logic levels; 20 μA leakage at VWM avoids loading precision reference paths. | Use Scenario: Front-end surge suppression on 48 V telecom rectifier outputs exposed to lightning-induced surges per IEC 61000-4-5. IC Role / Device Role / Timing Role: First-line clamping device upstream of DC-DC converters and hot-swap controllers. Use Value: 185 °C max junction temperature allows direct mounting on high-power board areas without thermal derating penalties in sealed enclosures. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ10A | Lower PPPM (600 W), smaller SMB package (DO-214AA), same VWM/VBR range but higher clamping voltage (17.0 V → 18.2 V at rated IPPM) | Suitable for lower-energy consumer or non-automotive applications; not AEC-Q101 qualified | Select when cost or board space is prioritized over automotive reliability and high-energy surge handling |
| 5.0SMDJ10A | Same 5000 W rating and AEC-Q101 qualification, but larger SMD (DO-214AC) package with higher thermal resistance (RθJA = 120 °C/W vs. 100 °C/W) | Better suited for lower-density layouts where pad area permits; slightly reduced thermal efficiency in confined spaces | Choose when existing layout uses DO-214AC footprints or when higher mechanical robustness is required for vibration-prone environments |
Compared with SMBJ10A and 5.0SMDJ10A, the 5KASMC10AHM3_A/I offers optimal balance of high-energy clamping (5000 W), compact SMC footprint, AEC-Q101 qualification, and superior thermal performance (RθJM = 20.8 °C/W), making it preferred for space-constrained, high-reliability automotive power nodes.
Availability
5KASMC10AHM3_A/I is available at Aetrix Electronics and suitable for automotive ECU design, industrial motor drive protection, and telecom power supply hardening requiring stable component supply, full traceability, and long-term lifecycle support.
Supply support for 5KASMC10AHM3_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 high-reliability diodes, rectifiers, and protection devices for automotive, industrial, and computing markets.
The 5KASMCx series was engineered specifically for AEC-Q101-compliant transient suppression in harsh-environment power rails - emphasizing high-temperature operation (TJ = 185 °C), low clamping variance, and process-controlled passivation for long-term parametric stability.
FAQ
What is the maximum clamping voltage of the 5KASMC10AHM3_A/I under peak surge conditions?
The 5KASMC10AHM3_A/I exhibits a maximum clamping voltage (VC) of 17.0 V when subjected to its rated peak pulse current of 294.1 A using the standardized 10/1000 μs waveform. This value is measured at TA = 25 °C and reflects worst-case voltage seen by downstream circuitry during surge events - critical for validating voltage margins of protected ICs like CAN transceivers or microcontrollers. The 5KASMC10AHM3_A/I maintains this clamping performance across its full operating temperature range due to its low VBR temperature coefficient (0.069 %/°C).
Is the 5KASMC10AHM3_A/I suitable for automotive under-hood applications?
Yes, the 5KASMC10AHM3_A/I is explicitly qualified to AEC-Q101 and rated for continuous operation up to +185 °C junction temperature - making it suitable for under-hood automotive applications such as engine control units, transmission control modules, and ADAS power supplies. Its SMC package meets MSL Level 1 reflow requirements, and its passivated anisotropic rectifier technology ensures stable leakage and clamping behavior across thermal cycling. The 5KASMC10AHM3_A/I also passes JESD22-B102 Class 2 whisker testing, confirming long-term solder joint reliability in high-vibration environments.
How does the 5KASMC10AHM3_A/I compare to standard SMBJ-series TVS diodes in surge handling capability?
The 5KASMC10AHM3_A/I delivers 5000 W peak pulse power (10/1000 μs), which is over 8× higher than the 600 W rating of the SMBJ10A. It achieves this in the same general form factor (SMC vs. SMB) but with enhanced thermal design: RθJM = 20.8 °C/W versus ~35 °C/W for SMBJ devices. This allows the 5KASMC10AHM3_A/I to sustain repeated high-energy transients without thermal runaway - a key distinction for automotive load-dump protection where multiple pulses may occur in rapid succession. The 5KASMC10AHM3_A/I also features tighter VBR tolerance and lower clamping voltage than most SMBJ alternatives.
What is the meaning of the "HM3_A/I" suffix in 5KASMC10AHM3_A/I?
The "HM3" portion indicates halogen-free, RoHS-compliant construction with AEC-Q101 qualification and JESD201 Class 2 whisker resistance; "A" denotes the revision level of the base die design; "I" specifies the packaging configuration - 13-inch diameter plastic tape and reel with 3500 units per reel. This contrasts with "H", which denotes 7-inch reels (850 units). The full ordering code 5KASMC10AHM3_A/I uniquely identifies the exact variant shipped by Vishay, including material compliance, qualification status, and logistics format - all verified in Vishay document #89432.
Does the 5KASMC10AHM3_A/I require heatsinking for continuous power dissipation?
No, the 5KASMC10AHM3_A/I is not intended for continuous power dissipation; its 6.5 W rating (PD) applies only to steady-state conditions on an infinite heatsink - a theoretical benchmark, not a design target. In normal operation, it remains in high-impedance standby mode with <20 μA leakage at 10 V. During transient events, energy is absorbed capacitively and thermally in short bursts (μs to ms), so no external heatsink is required. Thermal design focuses instead on PCB copper area per Vishay's recommended pad layout - which lowers RθJA to 100 °C/W and ensures safe junction temperature rise during repetitive surges.
5KASMC10AHM3_A/I Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AB, SMC
- Series:
- PAR®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 10V
- Voltage - Breakdown (Min):
- 11.1V
- Voltage - Clamping (Max) @ Ipp:
- 17V
- Current - Peak Pulse (10/1000µs):
- 294.1A
- Power - Peak Pulse:
- 5000W (5kW)
- 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 (SMC)
5KASMC10AHM3_A/I FAQ
1.How can I place an order for 5KASMC10AHM3_A/I through Aetrix?
Please submit a Request for Quotation (RFQ) for 5KASMC10AHM3_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 5KASMC10AHM3_A/I reliable?
The price and inventory of 5KASMC10AHM3_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 5KASMC10AHM3_A/I is usually 5 days.
3.What payment methods are accepted for 5KASMC10AHM3_A/I?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 5KASMC10AHM3_A/I transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 5KASMC10AHM3_A/I?
5KASMC10AHM3_A/I orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 5KASMC10AHM3_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 5KASMC10AHM3_A/I?
For technical support, including 5KASMC10AHM3_A/I datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 5KASMC10AHM3_A/I requirements.
6.How does Aetrix verify that 5KASMC10AHM3_A/I is sourced from the original manufacturer or authorized distributors?
All 5KASMC10AHM3_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 5KASMC10AHM3_A/I meets industry standards.
7.What is the process for return or replacement of 5KASMC10AHM3_A/I?
All 5KASMC10AHM3_A/I units undergo pre-shipment inspection (PSI). If there is an issue with 5KASMC10AHM3_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 5KASMC10AHM3_A/I part is unused and in its original packaging.
Return procedure for 5KASMC10AHM3_A/I:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
5KASMC10AHM3_A/I Tags
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DESD3V3E1BL-7B
Diodes Incorporated
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Diodes Incorporated
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Diodes Incorporated
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Diodes Incorporated
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Diodes Incorporated
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D12V0L1B2LP-7B
Diodes Incorporated
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Nexperia USA Inc.
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Toshiba Semiconductor and Storage
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Diodes Incorporated
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