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Vishay General Semiconductor - Diodes Division 5KASMC36AHM3_A/H
- Part No.:
- 5KASMC36AHM3_A/H
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
5KASMC36AHM3_A/H.pdf
- Description:
- TVS DIODE 36VWM 58.1VC DO214AB
- Quantity:
- Payment:
- Shipping:
Inventory:3,097
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Product details
Overview
5KASMC36AHM3_A/H from Vishay General Semiconductor is a unidirectional surface-mount PAR® transient voltage suppressor (TVS) designed for high-energy surge protection in automotive and industrial power rails. It delivers 5000 W peak pulse power (10/1000 μs), clamps at 86.1 V under 50 A surge current, and operates up to 185 °C junction temperature - enabling robust protection of 36 V nominal systems such as engine control units and battery management circuits.
For engineers reviewing the 5KASMC36AHM3_A/H datasheet, 5KASMC36AHM3_A/H pinout, 5KASMC36AHM3_A/H application, or 5KASMC36AHM3_A/H equivalent, key selection criteria include its AEC-Q101 qualification, SMC (DO-214AB) package compatibility with high-reliability PCB layouts, low incremental surge resistance, and verified clamping performance at rated IPPM.
Technical Context
This TVS diode employs passivated anisotropic rectifier technology optimized for junction stability under repetitive surge stress. Its unidirectional architecture provides precise reverse-biased clamping above 40.0 V breakdown (VBR min), with tight tolerance (40.0–44.2 V) and low temperature coefficient (0.091 %/°C).
Rated for 185 °C maximum junction temperature and MSL Level 1 (260 °C reflow), it supports automotive-grade thermal cycling and long-term reliability in under-hood environments. The device exhibits fast response time and low clamping ratio (VC/VBR ≈ 2.05), ensuring effective overvoltage suppression without compromising signal integrity on protected lines.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/typ/max) | 40.0 / 42.1 / 44.2 V - defines precise clamping onset threshold for 36 V nominal systems |
| VWM | 36 V - maximum continuous reverse operating voltage before leakage rises significantly |
| VC @ IPPM | 86.1 V at 50 A - clamped voltage during full-rated 5000 W surge, limiting downstream stress |
| PPPM | 5000 W (10/1000 μs) - peak surge energy handling capacity compliant with ISO 7637-2 and IEC 61000-4-5 |
| TJ max | +185 °C - enables operation in high-temperature automotive locations without derating |
| Leakage IR @ VWM | 2.0 μA - minimal standby power loss and negligible impact on low-power sensor bias networks |
| AEC-Q101 qualified | Yes - validated for automotive electronic modules per stress test requirements including HTGB, HTRB, and TCT |
Pinout & Package
Package: SMC (DO-214AB), surface-mount, halogen-free, RoHS-compliant, matte tin-plated leads. Cathode indicated by color band.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Low-side reference terminal | Connected to system ground or low-voltage rail; forms clamping path during positive transients |
| Cathode | High-side surge input terminal | Connected to protected line (e.g., 36 V supply); conducts when reverse voltage exceeds VBR |
Key Features
| Feature | Design Value |
|---|---|
| Junction passivation optimized design | Enables stable VBR and low leakage after 1000+ surge cycles at rated conditions |
| 185 °C junction capability | Supports placement near heat sources (e.g., power converters) without thermal derating in automotive ECUs |
| 5000 W peak pulse power (10/1000 μs) | Meets ISO 7637-2 Pulse 5a (load dump) and IEC 61000-4-5 Level 4 surge immunity requirements |
| MSL Level 1, 260 °C peak reflow | Compatible with standard lead-free SMT assembly processes without moisture sensitivity concerns |
| Low incremental surge resistance | Minimizes voltage overshoot during fast-rising transients (<1 ns rise time), improving protection margin |
Applications
| Automotive Engine Control Unit (ECU) | Industrial 36 V DC Power Rail |
|---|---|
Use Scenario: Protecting microcontroller I/O and CAN transceiver power inputs against load dump surges in 12 V/24 V/36 V hybrid vehicle ECUs. IC Role / Device Role / Timing Role: Unidirectional TVS clamping device placed between 36 V supply rail and ground. Use Value: Limits transient voltage to ≤86.1 V during 5000 W pulses, preventing latch-up or permanent damage to downstream 36 V-rated ICs. |
Use Scenario: Safeguarding programmable logic controllers (PLCs) and motor drives powered from 36 V industrial DC buses. IC Role / Device Role / Timing Role: Primary overvoltage clamp on main power input, coordinated with upstream fusing. Use Value: Withstands repeated 10/1000 μs surges up to 50 A while maintaining <2.0 μA leakage at steady state - preserving system efficiency. |
| Automotive Battery Management System (BMS) | Telecom 48 V Intermediate Bus Protection |
Use Scenario: Clamping voltage spikes induced by relay switching or cable disconnect events in high-voltage BMS auxiliary supplies. IC Role / Device Role / Timing Role: Standoff-rated TVS on 36 V auxiliary rail feeding analog front-end and isolation ICs. Use Value: AEC-Q101 qualification ensures reliability across -40 °C to +125 °C ambient, with 185 °C TJ margin for internal heating. |
Use Scenario: Secondary-stage surge protection on telecom intermediate bus derived from 48 V primary, stepping down to 36 V logic rails. IC Role / Device Role / Timing Role: Fast-response clamping device placed immediately after DC/DC converter output filter. Use Value: Low clamping ratio (VC/VBR = 2.05) and 0.091 %/°C tempco ensure predictable protection across operating temperature range. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ36A-E3/5A (Vishay) | Lower PPPM (400 W), smaller SMA package, same VBR range but higher VC (60.0 V @ 6.7 A) | Suitable for lower-energy transients; not rated for AEC-Q101 or 185 °C operation | Select when space-constrained and surge energy is below 1 kW; avoid for automotive under-hood use. |
| SMCJ36A (Littelfuse) | Same SMC package, 5000 W rating, VBR = 40.0–44.4 V, VC = 63.0 V @ 79.4 A - tighter clamping but higher IPPM requirement | Requires higher surge current capability from system; identical thermal and automotive qualifications | Valid alternative if board layout allows 79.4 A surge current path; verify trace width and grounding for higher IPPM. |
Compared with SMAJ36A-E3/5A and SMCJ36A, the 5KASMC36AHM3_A/H offers superior thermal margin (185 °C vs. 150 °C), AEC-Q101 validation, and optimized low-leakage performance at elevated temperatures - making it the preferred choice for mission-critical automotive and industrial 36 V rail protection where long-term reliability is non-negotiable.
Availability
5KASMC36AHM3_A/H is available at Aetrix Electronics and suitable for automotive engine control units, industrial 36 V DC power systems, and battery management subsystems requiring stable component supply, AEC-Q101 compliance, and high-temperature surge resilience.
Supply support for 5KASMC36AHM3_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, and passive components for automotive, industrial, and computing markets.
The 5KASMCxxA family is engineered specifically for high-energy transient suppression in harsh-environment applications, emphasizing AEC-Q101 qualification, 185 °C junction capability, and consistent clamping performance across temperature and life cycle.
FAQ
What is the breakdown voltage range for the 5KASMC36AHM3_A/H?
The 5KASMC36AHM3_A/H has a guaranteed breakdown voltage (VBR) range of 40.0 V (minimum) to 44.2 V (maximum) at 1.0 mA test current, with a typical value of 42.1 V. This tight tolerance ensures predictable clamping behavior in 36 V nominal systems and aligns with ISO 7637-2 load dump protection requirements. The 5KASMC36AHM3_A/H maintains this specification across its full operating temperature range.
Is the 5KASMC36AHM3_A/H qualified for automotive applications?
Yes, the 5KASMC36AHM3_A/H is AEC-Q101 qualified and rated for operation up to +185 °C junction temperature, making it suitable for under-hood automotive applications including engine control units, battery management systems, and ADAS power supplies. Its construction meets MSL Level 1 and JESD 201 Class 2 whisker resistance requirements - all confirmed in Vishay's official qualification report for the 5KASMCxxA series.
What package type does the 5KASMC36AHM3_A/H use?
The 5KASMC36AHM3_A/H uses the SMC (DO-214AB) surface-mount package, with matte tin-plated leads solderable per J-STD-002 and JESD 22-B102. The cathode is marked by a color band, and the molding compound complies with UL 94 V-0 flammability rating. This package supports high thermal dissipation and is compatible with standard 7-inch tape-and-reel automated assembly.
How does the 5KASMC36AHM3_A/H perform under high-temperature conditions?
The 5KASMC36AHM3_A/H is characterized for stable operation up to +185 °C junction temperature, with VBR drift controlled by a temperature coefficient of +0.091 %/°C. At 150 °C, reverse leakage remains ≤50 μA at VWM, and clamping voltage increases predictably per the formula VBR(TJ) = VBR(25 °C) × [1 + αT × (TJ − 25)]. This behavior is documented in the Vishay 89432 datasheet for the 5KASMC36AHM3_A/H.
What is the peak pulse current rating for the 5KASMC36AHM3_A/H?
The 5KASMC36AHM3_A/H is rated for a peak pulse current (IPPM) of 50 A under the standard 10/1000 μs waveform, corresponding to its 5000 W peak pulse power rating. This value is measured with non-repetitive pulses and derated linearly above 25 °C ambient per Figure 2 in the Vishay 89432 datasheet. The 5KASMC36AHM3_A/H maintains specified clamping voltage (VC = 86.1 V) at this current level.
5KASMC36AHM3_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:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 36V
- Voltage - Breakdown (Min):
- 40V
- Voltage - Clamping (Max) @ Ipp:
- 58.1V
- Current - Peak Pulse (10/1000µs):
- 86.1A
- 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)
5KASMC36AHM3_A/H FAQ
1.How can I place an order for 5KASMC36AHM3_A/H through Aetrix?
Please submit a Request for Quotation (RFQ) for 5KASMC36AHM3_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 5KASMC36AHM3_A/H reliable?
The price and inventory of 5KASMC36AHM3_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 5KASMC36AHM3_A/H is usually 5 days.
3.What payment methods are accepted for 5KASMC36AHM3_A/H?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 5KASMC36AHM3_A/H transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 5KASMC36AHM3_A/H?
5KASMC36AHM3_A/H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 5KASMC36AHM3_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 5KASMC36AHM3_A/H?
For technical support, including 5KASMC36AHM3_A/H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 5KASMC36AHM3_A/H requirements.
6.How does Aetrix verify that 5KASMC36AHM3_A/H is sourced from the original manufacturer or authorized distributors?
All 5KASMC36AHM3_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 5KASMC36AHM3_A/H meets industry standards.
7.What is the process for return or replacement of 5KASMC36AHM3_A/H?
All 5KASMC36AHM3_A/H units undergo pre-shipment inspection (PSI). If there is an issue with 5KASMC36AHM3_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 5KASMC36AHM3_A/H part is unused and in its original packaging.
Return procedure for 5KASMC36AHM3_A/H:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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