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Vishay General Semiconductor - Diodes Division SMP13A-M3/84A
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- Part No.:
- SMP13A-M3/84A
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-220AA
- Datasheet:
-
SMP13A-M3/84A.pdf
- Description:
- TVS DIODE 13VWM 21.5VC DO220AA
- Quantity:
- Payment:
- Shipping:
Inventory:4,189
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Product details
Overview
SMP13A-M3/84A from Vishay General Semiconductor is a unidirectional surface-mount TransZORB® transient voltage suppressor in the SMP (DO-220AA) package, featuring a 13 V stand-off voltage (VWM), 14.4–15.9 V breakdown voltage (VBR), 400 W peak pulse power (10/1000 μs), 18.6 A peak pulse current (IPPM), and 21.5 V clamping voltage (VC) at IPPM - used to protect MOSFETs and ICs against inductive switching transients in industrial sensor signal lines.
For engineers reviewing the SMP13A-M3/84A datasheet, SMP13A-M3/84A pinout, SMP13A-M3/84A application, or SMP13A-M3/84A equivalent, key selection criteria include clamping performance under 10/1000 μs surge, unidirectional polarity for DC-biased protection, low-profile 1.0 mm height for space-constrained PCBs, and MSL Level 1 reflow compatibility up to 260 °C.
Technical Context
This device operates as a unidirectional TVS diode, leveraging silicon avalanche breakdown to clamp transient overvoltages before they damage downstream components. Its 13 V stand-off voltage ensures stable operation below system rail voltage while maintaining low leakage (<1.0 μA).
The SMP13A-M3/84A delivers 400 W peak pulse power with a 10/1000 μs waveform and clamps to 21.5 V at 18.6 A, enabling robust protection of 12 V automotive and industrial control circuits. Thermal resistance is 50 °C/W junction-to-lead and 250 °C/W junction-to-ambient, supporting reliable operation up to 150 °C junction temperature.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 13 V - maximum reverse voltage before significant conduction; sets operating margin for 12 V systems |
| VBR min/max | 14.4 V / 15.9 V - breakdown threshold range at 1.0 mA test current; defines turn-on consistency |
| VC @ IPPM | 21.5 V - clamped voltage during 18.6 A surge; determines protected circuit's maximum stress level |
| PPPM | 400 W - peak power dissipation capability with 10/1000 μs waveform; validates surge handling per IEC 61000-4-5 |
| IFSM | 40 A - non-repetitive forward surge rating (10 ms half-sine); supports inrush or fault-current events |
| TJ max | +150 °C - maximum junction temperature; enables use in high-ambient industrial environments |
| RθJL | 50 °C/W - thermal resistance junction-to-lead; informs PCB copper pad design for heat dissipation |
Pinout & Package
Package: SMP (DO-220AA), ultra-low-profile surface-mount case with matte tin-plated leads, 1.0 mm typical height, UL 94 V-0 molding compound, and cathode band marking.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry terminal during clamping | Connected to protected line; conducts surge current toward cathode when voltage exceeds VBR |
| Cathode | Current exit terminal during clamping | Connected to ground or lower-potential reference; marked by color band; defines unidirectional polarity |
Key Features
| Feature | Design Value |
|---|---|
| 400 W peak pulse power (10/1000 μs) | Validates compliance with IEC 61000-4-5 Level 3/4 surge immunity requirements for industrial interfaces |
| 1.0 mm profile height | Enables placement in height-sensitive applications such as portable sensor modules and stacked PCB assemblies |
| MSL Level 1, 260 °C peak reflow | Supports standard lead-free SMT assembly without preconditioning or special handling |
| Low incremental surge resistance | Minimizes voltage overshoot during fast-rising transients, improving clamping fidelity for sub-100 ns edges |
| Halogen-free, RoHS-compliant, industrial grade | Meets environmental compliance mandates and long-term reliability requirements for industrial OEM deployments |
Applications
| Automotive Body Control Module (BCM) Inputs | Industrial PLC Analog Input Protection |
|---|---|
Use Scenario: Protecting 12 V CAN/LIN bus interface inputs from load-dump and inductive kickback in vehicle body electronics. IC Role / Device Role / Timing Role: Unidirectional TVS placed between signal line and chassis ground to clamp transients before reaching input buffer or transceiver. Use Value: Clamps to 21.5 V at 18.6 A, ensuring protected ICs remain below absolute maximum ratings during ISO 7637-2 Pulse 1/2a events. | Use Scenario: Safeguarding 4–20 mA current-loop analog inputs on programmable logic controllers exposed to field wiring surges. IC Role / Device Role / Timing Role: Standoff-rated TVS connected across input terminals to shunt induced transients without affecting loop accuracy. Use Value: 13 V VWM provides sufficient margin above 24 V loop supply while 21.5 V VC prevents op-amp input stage damage. |
| Consumer Appliance Motor Driver Feedback Lines | Telecom Power Supply Enable/Control Signals |
Use Scenario: Shielding hall-effect sensor feedback paths in smart appliance BLDC motor drives from commutation noise and back-EMF spikes. IC Role / Device Role / Timing Role: Low-capacitance unidirectional suppressor on low-voltage digital feedback lines tied to microcontroller GPIOs. Use Value: 1.0 μA leakage at 13 V preserves signal integrity; 1.0 mm height avoids interference with nearby heatsinks or connectors. | Use Scenario: Protecting enable/disable control signals routed from baseband processor to telecom AC/DC power modules. IC Role / Device Role / Timing Role: Fast-response TVS on 3.3 V or 5 V control lines to prevent false triggering or latch-up during EFT bursts. Use Value: Sub-nanosecond response time and 21.5 V clamping ensure MCU output drivers remain within safe SOA limits during 4 kV EFT events. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMP13A-M3/85A | Same electrical specs; differs only in packaging - 10,000-piece 13" tape-and-reel vs. 3,000-piece 7" reel | No functional difference; suited for high-volume automated assembly requiring larger reels | Select SMP13A-M3/84A for pilot runs or medium-volume production with standard feeder compatibility |
| SMBJ13A | Higher RθJA (350 °C/W vs. 250 °C/W); same VWM/VBR/VC but larger SMB (DO-214AA) package (2.6 mm height) | Less suitable for ultra-thin designs; better thermal mass for sustained surge duty cycles | Choose SMBJ13A where board height >2.5 mm is acceptable and higher single-pulse energy tolerance is needed |
Compared with SMP13A-M3/85A, the SMP13A-M3/84A offers identical protection performance in a smaller reel format ideal for flexible manufacturing; versus SMBJ13A, it trades off some thermal mass for 62 % lower profile - critical for modern compact sensor and module designs.
Availability
SMP13A-M3/84A is available at Aetrix Electronics and suitable for industrial sensor interfaces, automotive body electronics, and telecom control signal protection requiring stable component supply, consistent MSL-1 reflow behavior, and long-term industrial-grade availability.
Supply support for SMP13A-M3/84A 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 optoelectronics with emphasis on reliability, precision, and application-specific optimization.
The SMP series was engineered for high-density, low-profile transient protection in space-constrained industrial and automotive electronics - prioritizing fast response, repeatable clamping, and robust reflow survivability.
FAQ
What is the clamping voltage of the SMP13A-M3/84A under a 10/1000 μs surge?
The SMP13A-M3/84A clamps to 21.5 V at its rated peak pulse current of 18.6 A under a 10/1000 μs waveform. This value is measured per standard test conditions defined in ANSI/IEEE C62.35 and confirmed in the Vishay datasheet revision 25-Apr-2022. The clamping voltage directly determines the maximum stress imposed on downstream components during surge events, making it a critical parameter for circuit protection validation. Designers must verify that this 21.5 V level remains safely below the absolute maximum ratings of protected ICs or MOSFETs.
Is the SMP13A-M3/84A suitable for 12 V automotive applications?
Yes, the SMP13A-M3/84A is well-suited for 12 V automotive applications such as body control modules and sensor interfaces. Its 13 V stand-off voltage (VWM) provides adequate margin above nominal 12 V rails, while its 14.4–15.9 V breakdown range and 21.5 V clamping voltage align with ISO 7637-2 Pulse 1 and Pulse 2a requirements. The device's MSL Level 1 rating and 260 °C peak reflow compatibility further support automotive-grade SMT assembly. Always confirm layout adherence to recommended 5.0 mm × 5.0 mm copper pads per terminal for full spec compliance in the SMP13A-M3/84A implementation.
Does the SMP13A-M3/84A have bidirectional or unidirectional polarity?
The SMP13A-M3/84A is a unidirectional transient voltage suppressor, as confirmed in the Vishay datasheet section "PRIMARY CHARACTERISTICS" and "FEATURES". It features a cathode band marking and is intended for DC-biased protection applications where reverse conduction must be blocked until breakdown occurs. This distinguishes it from bidirectional variants like the SMP13CA, which lack polarity marking and conduct symmetrically. Using the unidirectional SMP13A-M3/84A in AC-coupled or floating signal paths may result in improper clamping behavior.
What is the thermal resistance of the SMP13A-M3/84A, and how does it affect PCB layout?
The SMP13A-M3/84A has a typical junction-to-lead thermal resistance (RθJL) of 50 °C/W and junction-to-ambient (RθJA) of 250 °C/W, per the Vishay datasheet. These values require PCB layout with 5.0 mm × 5.0 mm copper pads per terminal - as specified in the "MECHANICAL DATA" section - to achieve rated power dissipation. Reducing pad size increases RθJA, degrading surge handling and accelerating thermal aging. For continuous or repetitive surge conditions, designers should verify temperature rise using the SMP13A-M3/84A's 150 °C max junction rating and ambient thermal environment.
How does the SMP13A-M3/84A compare to the SMBJ13A in terms of physical size and surge capability?
The SMP13A-M3/84A measures 1.0 mm in height and uses the DO-220AA (SMP) package, whereas the SMBJ13A uses the larger DO-214AA (SMB) package at 2.6 mm height - a 62 % reduction. Both share identical electrical ratings (VWM = 13 V, VC = 21.5 V), but the SMBJ13A has higher thermal resistance (RθJA = 350 °C/W vs. 250 °C/W for SMP13A-M3/84A) and greater single-pulse energy capacity due to larger die and thermal mass. Choose SMP13A-M3/84A when board height is constrained; select SMBJ13A for applications demanding higher average power handling or less stringent profile limits.
SMP13A-M3/84A Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-220AA
- Series:
- TransZorb®, eSMP®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 13V
- Voltage - Breakdown (Min):
- 14.4V
- Voltage - Clamping (Max) @ Ipp:
- 21.5V
- Current - Peak Pulse (10/1000µs):
- 18.6A
- Power - Peak Pulse:
- 400W
- 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:
- DO-220AA (SMP)
SMP13A-M3/84A FAQ
1.How can I place an order for SMP13A-M3/84A through Aetrix?
Please submit a Request for Quotation (RFQ) for SMP13A-M3/84A 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 SMP13A-M3/84A reliable?
The price and inventory of SMP13A-M3/84A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMP13A-M3/84A is usually 5 days.
3.What payment methods are accepted for SMP13A-M3/84A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMP13A-M3/84A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMP13A-M3/84A?
SMP13A-M3/84A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMP13A-M3/84A 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 SMP13A-M3/84A?
For technical support, including SMP13A-M3/84A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMP13A-M3/84A requirements.
6.How does Aetrix verify that SMP13A-M3/84A is sourced from the original manufacturer or authorized distributors?
All SMP13A-M3/84A 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 SMP13A-M3/84A meets industry standards.
7.What is the process for return or replacement of SMP13A-M3/84A?
All SMP13A-M3/84A units undergo pre-shipment inspection (PSI). If there is an issue with SMP13A-M3/84A, 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 SMP13A-M3/84A part is unused and in its original packaging.
Return procedure for SMP13A-M3/84A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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