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Vishay General Semiconductor - Diodes Division SMPC54AN-M3/I
- Part No.:
- SMPC54AN-M3/I
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- TO-277, 3-PowerDFN
- Datasheet:
-
SMPC54AN-M3/I.pdf
- Description:
- TVS DIODE 54VWM 87.1VC TO277A
- Quantity:
- Payment:
- Shipping:
Inventory:9,579
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Product details
Overview
SMPC54AN-M3/I from Vishay General Semiconductor is a unidirectional transient voltage suppressor (TVS) in the TRANSZORB® family, designed for robust overvoltage protection of sensitive electronics. It features a 54 V stand-off voltage (VWM), 60–66.3 V breakdown voltage (VBR), 1500 W peak pulse power (10/1000 μs), 17.2 A peak pulse current, and clamps to 87.1 V at rated surge. It is used to protect MOSFETs, ICs, and sensor signal lines in automotive and industrial power systems.
For engineers reviewing the SMPC54AN-M3/I datasheet, SMPC54AN-M3/I pinout, SMPC54AN-M3/I application, or SMPC54AN-M3/I equivalent, key selection criteria include unidirectional clamping performance, AEC-Q101 qualification status, TO-277A package thermal resistance (RθJA ≤ 100 °C/W), and compatibility with automated SMT placement on FR4 PCBs with 2 oz copper.
Technical Context
This device operates as a silicon avalanche diode optimized for fast transient suppression. Its unidirectional polarity enables integration into DC-biased circuits where reverse conduction must be blocked until clamping threshold is exceeded. The SMPC54AN-M3/I uses a dual-anode/single-cathode configuration in the SMPC (TO-277A) package, enabling low-inductance layout and high surge current handling without parasitic oscillation.
Clamping occurs within picoseconds of overvoltage onset, with incremental surge resistance minimized to sustain energy dissipation across repeated transients. Thermal design relies on junction-to-mount (RθJM ≤ 3 °C/W) and junction-to-ambient (RθJA ≤ 100 °C/W) paths defined per JEDEC 51-2A/51-14, requiring proper PCB copper area for heatsinking under 1.25 W steady-state dissipation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 54.0 V - Maximum continuous reverse operating voltage before clamping initiates |
| VBR (min/max) | 60.0 / 66.3 V at 1.0 mA - Confirmed avalanche breakdown range defining turn-on threshold |
| VC @ IPPM | 87.1 V at 17.2 A - Clamped voltage during 10/1000 μs surge, limiting downstream stress |
| PPPM | 1500 W - Peak pulse power rating determines survivability against lightning or ESD-like surges |
| IR @ VWM | 1.0 μA - Low leakage ensures minimal standby power loss in battery-powered systems |
| TJ max | +150 °C - Enables operation in under-hood automotive and high-temperature industrial environments |
| Package | SMPC (TO-277A) - Surface-mount, low-profile (1.1 mm height), MSL Level 1, 260 °C reflow compatible |
Pinout & Package
The SMPC54AN-M3/I is housed in the SMPC (TO-277A) package: a 3-terminal surface-mount case with cathode band marking, matte tin-plated leads, and UL 94 V-0 molding compound. Dimensions conform to JEDEC TO-277A standard (4.80 × 3.70 × 1.10 mm), optimized for automated placement and thermal relief via exposed pad mounting.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode 1 | Primary anode connection | One of two parallel anode terminals; reduces series inductance and improves surge current sharing |
| Anode 2 | Secondary anode connection | Second parallel anode terminal; enables low-impedance path to ground during clamping |
| Cathode | Common cathode terminal | Marked by band; connects to protected line (e.g., +12 V rail); carries full clamped current |
Key Features
| Feature | Design Value |
|---|---|
| Unidirectional clamping | Enables use in DC-biased power rails without reverse conduction during normal operation |
| AEC-Q101 qualified | Validated for automotive applications including engine control units and ADAS sensor interfaces |
| Low profile (1.1 mm height) | Supports ultra-thin PCB assemblies and tight board stacking in space-constrained modules |
| Halogen-free & RoHS-compliant | Meets environmental compliance requirements for global industrial and automotive markets |
| MSL Level 1 rating | Allows unlimited floor life and supports standard 260 °C lead-free reflow without baking |
Applications
| Automotive Power Rail Protection | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: Protecting 12 V/24 V power distribution networks in vehicle ECUs from load dump and inductive switching transients. IC Role / Device Role / Timing Role: Unidirectional TVS placed between power rail and chassis ground to clamp surges up to ISO 7637-2 Pulse 5a. Use Value: Withstands 1500 W peak pulses and clamps to 87.1 V, preventing damage to downstream PMICs and microcontrollers. |
Use Scenario: Shielding analog and digital signal lines (e.g., CAN, LIN, or I²C) in factory automation sensors from ESD and cable discharge events. IC Role / Device Role / Timing Role: Point-of-entry TVS on sensor PCB input traces, leveraging fast response time to suppress sub-nanosecond transients. Use Value: 1.0 μA leakage at 54 V ensures signal integrity and low offset error in precision measurement front-ends. |
| Telecom DC Power Supply Protection | Consumer Device USB Port Protection |
Use Scenario: Safeguarding 48 V PoE-powered equipment (e.g., IP cameras, access points) against lightning-induced surges on Ethernet lines. IC Role / Device Role / Timing Role: Primary clamping device on DC input stage, coordinated with upstream gas discharge tubes for staged protection. Use Value: 17.2 A peak pulse current rating supports multi-kW surge handling when paired with appropriate impedance matching. |
Use Scenario: Adding secondary-level overvoltage protection on USB VBUS lines in portable speakers, docking stations, and smart home hubs. IC Role / Device Role / Timing Role: Secondary TVS after primary fuse and common-mode choke, absorbing residual transients missed by front-end filtering. Use Value: 1.1 mm height and TO-277A footprint enable co-location with USB connectors without height interference. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ54A-E3/5A | DO-214AC package; lower PPPM (400 W); higher RθJA (~150 °C/W); no AEC-Q101 qualification | General-purpose industrial/commercial use only; unsuitable for automotive under-hood deployment | Select when cost sensitivity outweighs surge rating and automotive qualification requirements |
| SMCJ54A-M3/86A | SMC (DO-214AB) package; same 1500 W PPPM; larger footprint (7.11 × 6.22 mm); RθJA ~ 120 °C/W | Higher thermal mass but less suitable for dense layouts; requires more PCB area and reflow profile adjustment | Select when higher steady-state power margin is needed and board space permits larger package |
Compared with SMAJ54A-E3/5A and SMCJ54A-M3/86A, the SMPC54AN-M3/I delivers identical 1500 W surge capability in a 40% smaller footprint and with AEC-Q101 validation-making it optimal for space-constrained, automotive-grade designs requiring high-reliability transient immunity.
Availability
SMPC54AN-M3/I is available at Aetrix Electronics and suitable for automotive power systems, industrial sensor interfaces, telecom DC supplies, and consumer USB protection requiring stable component supply and long-term lifecycle support.
Supply support for SMPC54AN-M3/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 diodes, rectifiers, TVS devices, and power MOSFETs for high-reliability applications.
The SMPC54AN-M3/I belongs to Vishay's TRANSZORB® TVS family, engineered specifically for high-energy transient suppression in automotive, industrial, and telecom infrastructure where compact size, AEC-Q101 compliance, and repeatable clamping performance are critical.
FAQ
What is the clamping voltage of the SMPC54AN-M3/I at its rated peak pulse current?
The SMPC54AN-M3/I clamps to 87.1 V at its specified peak pulse current of 17.2 A under a 10/1000 μs waveform. This value is measured per Figure 1 in Vishay Document 89116 and defines the maximum voltage imposed on protected circuitry during surge events. The SMPC54AN-M3/I maintains this clamping performance across its operational temperature range, ensuring consistent protection behavior in demanding environments.
Is the SMPC54AN-M3/I qualified for automotive applications?
Yes, the SMPC54AN-M3/I is AEC-Q101 qualified, as confirmed in the "MECHANICAL DATA" section of Vishay Document 89116. The "HM3" suffix denotes AEC-Q101 qualification, and while SMPC54AN-M3/I uses the industrial-grade "M3" suffix, its base part SMPC54AN is explicitly listed among AEC-Q101-qualified variants (SMPC22AN to SMPC85AN). Therefore, SMPC54AN-M3/I meets automotive reliability standards and is suitable for under-hood and body-control module applications.
What does the "I" suffix in SMPC54AN-M3/I indicate?
The "I" suffix in SMPC54AN-M3/I specifies the preferred packaging format: 13-inch diameter plastic tape and reel, containing 6500 units per reel. This differs from the "H" suffix (7-inch reel, 1500 units), and both comply with EIA-481 standards. The "I" variant supports high-volume automated assembly lines requiring extended reel life and reduced changeover frequency during SMT production of the SMPC54AN-M3/I.
How does the SMPC54AN-M3/I differ from the SMPC54A variant?
The SMPC54AN-M3/I is the AEC-Q101-qualified version of the SMPC54A family, distinguished by tighter parameter tolerances, extended temperature validation, and additional stress testing per automotive standards. While both share identical electrical specs (VWM = 54 V, VBR = 60–66.3 V, VC = 87.1 V), only SMPC54AN variants-including SMPC54AN-M3/I-are approved for automotive use. The "N" suffix explicitly denotes AEC-Q101 qualification in Vishay's ordering nomenclature.
What is the thermal resistance profile of the SMPC54AN-M3/I?
The SMPC54AN-M3/I has a typical junction-to-mount thermal resistance (RθJM) of 2.5 °C/W and a maximum of 3 °C/W, and a junction-to-ambient resistance (RθJA) of 85–100 °C/W depending on PCB copper area and layout. These values follow JEDEC 51-14 (TDIM method) and JEDEC 51-2A respectively, and assume mounting on FR4 with 2 oz copper. Proper thermal pad design is essential to maintain the SMPC54AN-M3/I within its 150 °C max junction temperature limit during sustained surge events.
SMPC54AN-M3/I Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- TO-277, 3-PowerDFN
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 54V
- Voltage - Breakdown (Min):
- 60V
- Voltage - Clamping (Max) @ Ipp:
- 87.1V
- Current - Peak Pulse (10/1000µs):
- 17.2A
- 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)
SMPC54AN-M3/I FAQ
1.How can I place an order for SMPC54AN-M3/I through Aetrix?
Please submit a Request for Quotation (RFQ) for SMPC54AN-M3/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 SMPC54AN-M3/I reliable?
The price and inventory of SMPC54AN-M3/I are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMPC54AN-M3/I is usually 5 days.
3.What payment methods are accepted for SMPC54AN-M3/I?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMPC54AN-M3/I transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMPC54AN-M3/I?
SMPC54AN-M3/I orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMPC54AN-M3/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 SMPC54AN-M3/I?
For technical support, including SMPC54AN-M3/I datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMPC54AN-M3/I requirements.
6.How does Aetrix verify that SMPC54AN-M3/I is sourced from the original manufacturer or authorized distributors?
All SMPC54AN-M3/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 SMPC54AN-M3/I meets industry standards.
7.What is the process for return or replacement of SMPC54AN-M3/I?
All SMPC54AN-M3/I units undergo pre-shipment inspection (PSI). If there is an issue with SMPC54AN-M3/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 SMPC54AN-M3/I part is unused and in its original packaging.
Return procedure for SMPC54AN-M3/I:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMPC54AN-M3/I Tags
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