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Vishay General Semiconductor - Diodes Division SMPC15A-M3/86A
- Part No.:
- SMPC15A-M3/86A
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- TO-277, 3-PowerDFN
- Datasheet:
-
SMPC15A-M3/86A.pdf
- Description:
- TVS DIODE 15VWM 24.4VC TO277A
- Quantity:
- Payment:
- Shipping:
Inventory:9,627
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Product details
Overview
SMPC15A-M3/86A from Vishay General Semiconductor is a unidirectional surface-mount TransZORB® transient voltage suppressor in SMPC (TO-277A) package, with 15.0 V stand-off voltage (VWM), 16.7–18.5 V breakdown voltage (VBR), 24.4 V clamping voltage (VC) at 1.0 A peak pulse current, and 1500 W peak pulse power rating (10/1000 μs). It protects MOSFETs, ICs, and sensor signal lines against inductive switching transients in automotive and industrial control systems.
For engineers reviewing the SMPC15A-M3/86A datasheet, SMPC15A-M3/86A pinout, SMPC15A-M3/86A application, or SMPC15A-M3/86A equivalent, key selection criteria include unidirectional polarity, 1.1 mm profile for space-constrained PCBs, AEC-Q101 qualification eligibility (via HM3 suffix), MSL Level 1 moisture sensitivity, and compatibility with automated SMT placement on FR4 boards.
Technical Context
This device operates as a silicon avalanche diode designed for clamping transient overvoltages before they damage downstream circuitry. Its low incremental surge resistance and fast response time enable effective suppression of 10/1000 μs surges up to 1500 W without thermal runaway under defined derating conditions.
The SMPC15A-M3/86A uses a dual-anode, single-cathode configuration (Anode 1 / Anode 2 / Cathode) in the SMPC (TO-277A) package, where the cathode band denotes polarity. Thermal performance is characterized by RθJA ≤ 100 °C/W (FR4, 2 oz copper) and maximum junction temperature of 150 °C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 15.0 V - Maximum continuous reverse operating voltage before significant leakage; sets protection threshold for normal circuit operation. |
| VBR (min/max) | 16.7 V / 18.5 V - Breakdown occurs within this range at 1.0 mA test current; defines onset of clamping behavior. |
| VC @ IPPM | 24.4 V - Clamped voltage at 1.0 A peak pulse current; determines maximum stress imposed on protected device. |
| PPPM | 1500 W - Peak pulse power handling capability with 10/1000 μs waveform; quantifies transient energy absorption capacity. |
| TJ max | +150 °C - Absolute maximum junction temperature; constrains thermal design margin and ambient operating limits. |
| Package | SMPC (TO-277A) - Surface-mount, 3-terminal, low-profile (1.1 mm typical height) package compliant with JEDEC TO-277A outline. |
| Polarity | Unidirectional - Conducts only in reverse-bias avalanche mode; requires correct orientation relative to protected line polarity. |
Pinout & Package
SMPC15A-M3/86A is housed in the SMPC (TO-277A) package: a compact, low-profile, surface-mount case with three terminals-two anodes and one cathode-molded in UL 94 V-0 rated compound. The cathode is marked by a band on the top surface.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode 1 | Primary current path anode terminal | Connected to protected line or ground return; dual-anode structure enables symmetrical mounting and thermal sharing. |
| Anode 2 | Secondary current path anode terminal | Electrically tied to Anode 1 internally; provides parallel conduction path and improved thermal dissipation during surge events. |
| Cathode | Avalanche clamping node | Marked by band; connects to higher-potential side of protected circuit (e.g., VCC rail or signal line); conducts when transient exceeds VBR. |
Key Features
| Feature | Design Value |
|---|---|
| Very low profile (1.1 mm typical height) | Enables use in ultra-thin consumer and automotive ECUs where Z-height is constrained by mechanical housing or stacked PCB assemblies. |
| MSL Level 1, peak reflow ≤ 260 °C | Supports standard lead-free SMT reflow profiles without preconditioning; eliminates moisture-related popcorning risk during assembly. |
| Matte tin-plated leads, J-STD-002/JESD 22-B102 compliant | Ensures reliable solder wetting and long-term intermetallic bond integrity on OSP- or ENIG-finished PCBs. |
| Halogen-free, RoHS-compliant, industrial grade | Fulfills environmental compliance requirements for global industrial and telecom equipment without compromising surge robustness. |
| Low incremental surge resistance | Minimizes voltage overshoot during fast-rising transients (e.g., ISO 7637-2 Pulse 1/2a), improving protection fidelity for sensitive gate drivers. |
Applications
| Automotive Power Window Control | Industrial PLC Digital Input Protection |
|---|---|
Use Scenario: Protects microcontroller GPIO and driver ICs from inductive kickback generated by brushed DC motor commutation during window lift/drop cycles. IC Role / Device Role / Timing Role: Unidirectional TVS placed between motor driver output and ground, clamping transients below 24.4 V to prevent latch-up or gate oxide damage. Use Value: Enables direct integration into compact door module PCBs using SMPC's 1.1 mm height and eliminates need for through-hole TVS or external heat sinking. | Use Scenario: Shields 24 V digital input circuits in programmable logic controllers from field-wiring transients caused by relay coil de-energization or lightning-induced surges on long cable runs. IC Role / Device Role / Timing Role: Standoff-rated at 15.0 V, it remains non-conductive during normal 24 V nominal operation but clamps sub-μs spikes to <25 V within nanoseconds. Use Value: Maintains signal integrity across wide temperature ranges (-55 °C to +150 °C) while supporting high-volume SMT assembly with no manual placement required. |
| Automotive HVAC Blower Motor Driver | Telecom Base Station Sensor Interface |
Use Scenario: Safeguards half-bridge MOSFET gates and bootstrap circuitry in variable-speed blower motor inverters subjected to load dump and jump-start conditions. IC Role / Device Role / Timing Role: Mounted directly at gate drive node with cathode tied to high-side switch source; clamps negative-going transients induced by rapid dV/dt switching. Use Value: Dual-anode configuration improves thermal distribution during repetitive surge events, extending lifetime in thermally demanding engine bay environments. | Use Scenario: Protects analog front-end amplifiers and ADC inputs of environmental sensors (temperature, humidity, air quality) connected via unshielded cables to outdoor telecom cabinets. IC Role / Device Role / Timing Role: Placed at connector entry point in series with signal line; leverages 1500 W PPPM to absorb multiple 10/1000 μs surges per IEC 61000-4-5 Level 3 without degradation. Use Value: Eliminates need for discrete RC filtering stages while maintaining <10 μA leakage at 15 V, preserving sensor accuracy and battery life in always-on monitoring nodes. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ15A-E3/5A (Vishay) | DO-214AC (SMA) package; 1500 W PPPM; same VWM/VBR/VC specs; higher RθJA (~150 °C/W). | Less suitable for high-density layouts due to larger footprint and 2.3 mm height; lower thermal efficiency on thin PCBs. | Select SMAJ15A-E3/5A only if legacy SMA footprint compatibility is required or if board-level thermal mass supports higher junction rise. |
| 1.5SMC15A (ON Semiconductor) | SMC (DO-214AB) package; identical electrical specs; slightly higher VC (25.1 V); RθJA ~110 °C/W; not AEC-Q101 qualified in base version. | Requires larger pad layout (6.2 × 4.6 mm vs. SMPC's 4.8 × 3.7 mm); unsuitable for AEC-Q101-compliant automotive modules unless HM3 variant is specified. | Choose 1.5SMC15A for cost-sensitive industrial designs where AEC-Q101 is not mandated and board space permits larger footprint. |
Compared with SMAJ15A-E3/5A and 1.5SMC15A, SMPC15A-M3/86A delivers superior volumetric efficiency (1.1 mm height, 4.8 × 3.7 mm outline), lower thermal resistance to ambient, and native support for high-speed SMT placement-making it optimal for next-generation automotive body electronics and space-constrained industrial edge controllers.
Availability
SMPC15A-M3/86A is available at Aetrix Electronics and suitable for automotive power window modules, industrial PLC digital input stages, HVAC blower driver circuits, and telecom sensor interface protection requiring stable component supply and consistent surge performance across production batches.
Supply support for SMPC15A-M3/86A 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, ruggedness, and application-specific optimization.
The SMPC series was developed to address demand for ultra-low-profile, high-power TVS diodes in automotive and industrial SMT applications-delivering 1500 W surge capability in a JEDEC TO-277A outline optimized for thermal performance and automated assembly.
FAQ
What is the maximum clamping voltage of SMPC15A-M3/86A under standard test conditions?
The SMPC15A-M3/86A has a maximum clamping voltage (VC) of 24.4 V when subjected to a 10/1000 μs peak pulse current of 1.0 A, as specified in the Vishay datasheet document 89116. This value ensures protected components experience no more than 24.4 V during transient events, making SMPC15A-M3/86A suitable for safeguarding 15 V-rated circuits. The clamping performance is validated at TA = 25 °C with defined PCB mounting conditions.
Is SMPC15A-M3/86A AEC-Q101 qualified?
No, SMPC15A-M3/86A is not AEC-Q101 qualified. Per Vishay documentation, AEC-Q101 qualification applies only to parts with the HM3 suffix (e.g., SMPC15ANHM3), and only for the SMPC22AN through SMPC85AN variants. SMPC15A-M3/86A carries the industrial-grade M3 suffix and meets RoHS, halogen-free, and MSL Level 1 requirements-but does not carry automotive qualification. For AEC-Q101 needs, SMPC22ANHM3 or higher-voltage HM3 variants must be selected.
What does the /86A package code indicate for SMPC15A-M3/86A?
Per Vishay ordering information, the /86A suffix in SMPC15A-M3/86A specifies the packaging format: 7-inch diameter plastic tape and reel, with a base quantity of 1500 units per reel. This format is optimized for high-speed pick-and-place machines used in automated SMT lines. The /86A code does not affect electrical or thermal specifications-it is purely a logistics and handling designation aligned with industry-standard EIA-481 tape dimensions.
Can SMPC15A-M3/86A be used in bidirectional transient protection applications?
No, SMPC15A-M3/86A is strictly unidirectional and must be oriented with its cathode band toward the higher-potential side of the protected line. It does not provide symmetrical clamping for AC or bipolar transients. For bidirectional protection, a dedicated bidirectional TVS (e.g., SMPC15CA) or back-to-back unidirectional configuration would be required. Using SMPC15A-M3/86A in reverse bias beyond its specified VWM risks permanent damage, as it lacks reverse conduction capability.
What is the thermal resistance junction-to-ambient (RθJA) for SMPC15A-M3/86A?
The SMPC15A-M3/86A has a maximum RθJA of 100 °C/W when mounted on a standard FR4 PCB with 2 oz copper, per JEDEC 51-2A test conditions. Its typical RθJA is 85 °C/W. This thermal performance enables reliable operation at full 1500 W surge rating only for short-duration pulses; steady-state power dissipation is limited to 1.25 W at TA = 25 °C. Designers must apply derating curves from Figure 2 of datasheet 89116 for elevated ambient temperatures.
SMPC15A-M3/86A Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- TO-277, 3-PowerDFN
- Series:
- TransZorb®, eSMP®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 15V
- Voltage - Breakdown (Min):
- 16.7V
- Voltage - Clamping (Max) @ Ipp:
- 24.4V
- Current - Peak Pulse (10/1000µs):
- 61.5A
- Power - Peak Pulse:
- 1500W (1.5kW)
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TO-277A (SMPC)
SMPC15A-M3/86A FAQ
1.How can I place an order for SMPC15A-M3/86A through Aetrix?
Please submit a Request for Quotation (RFQ) for SMPC15A-M3/86A 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 SMPC15A-M3/86A reliable?
The price and inventory of SMPC15A-M3/86A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMPC15A-M3/86A is usually 5 days.
3.What payment methods are accepted for SMPC15A-M3/86A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMPC15A-M3/86A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMPC15A-M3/86A?
SMPC15A-M3/86A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMPC15A-M3/86A 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 SMPC15A-M3/86A?
For technical support, including SMPC15A-M3/86A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMPC15A-M3/86A requirements.
6.How does Aetrix verify that SMPC15A-M3/86A is sourced from the original manufacturer or authorized distributors?
All SMPC15A-M3/86A 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 SMPC15A-M3/86A meets industry standards.
7.What is the process for return or replacement of SMPC15A-M3/86A?
All SMPC15A-M3/86A units undergo pre-shipment inspection (PSI). If there is an issue with SMPC15A-M3/86A, 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 SMPC15A-M3/86A part is unused and in its original packaging.
Return procedure for SMPC15A-M3/86A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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