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Vishay General Semiconductor - Diodes Division P4SMA100A-M3/5A
- Part No.:
- P4SMA100A-M3/5A
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AC, SMA
- Datasheet:
-
P4SMA100A-M3/5A.pdf
- Description:
- TVS DIODE 85.5VWM 137VC DO214AC
- Quantity:
- Payment:
- Shipping:
Inventory:7,450
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Product details
Overview
P4SMA100A-M3/5A from Vishay General Semiconductor is a unidirectional surface-mount Transient Voltage Suppressor (TVS) diode in SMA (DO-214AC) package, designed for clamping voltage transients on power and signal lines. It features 100 V standoff voltage (VWM), 105 V maximum breakdown voltage (VBR), 137 V clamping voltage at 2.2 A peak pulse current, 400 W peak pulse power (10/1000 µs), and AEC-Q101 qualification for automotive-grade reliability.
For engineers reviewing the P4SMA100A-M3/5A datasheet, P4SMA100A-M3/5A pinout, P4SMA100A-M3/5A application, or P4SMA100A-M3/5A equivalent, this device is selected for robust overvoltage protection in DC power rails, sensor interfaces, and MOSFET gate drivers where fast response (<1 ns), low clamping ratio, and halogen-free RoHS compliance are required.
Technical Context
The P4SMA100A-M3/5A operates as a unidirectional avalanche diode, conducting only when reverse voltage exceeds its breakdown threshold (95–105 V at 1 mA). Its glass-passivated junction ensures stable leakage (<1 µA at 85.5 V) and long-term reliability under repetitive surge stress.
It delivers 400 W peak pulse power per 10/1000 µs waveform with derating above 25 °C (RθJA = 120 °C/W), and supports 40 A non-repetitive forward surge current (8.3 ms half-sine). The device meets MSL Level 1 and JESD201 Class 2 whisker resistance requirements.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off Voltage) | 85.5 V - Maximum continuous reverse operating voltage before conduction begins; defines safe DC operating margin. |
| VBR (Breakdown Voltage) | 95.0–105 V at 1 mA - Precise avalanche initiation range; ensures predictable clamping onset. |
| VC (Clamping Voltage) | 137 V at IPPM = 2.2 A - Peak voltage seen by protected circuit during transient; determines downstream component stress. |
| PPPM (Peak Pulse Power) | 400 W (10/1000 µs) - Surge energy handling capacity; enables protection against IEC 61000-4-5 Level 4 surges. |
| ID (Reverse Leakage) | <1 µA at 85.5 V - Minimal standby power loss and signal integrity impact in high-impedance circuits. |
| TJ max. | +150 °C - Enables operation in under-hood automotive environments and industrial enclosures without thermal derating. |
| Package | SMA (DO-214AC) - Standardized SMD footprint compatible with automated placement; 5.28 mm × 4.50 mm body size. |
Pinout & Package
Package: SMA (DO-214AC), surface-mount, unidirectional polarity indicated by cathode band. Matte tin-plated leads, compliant with J-STD-002 and JESD22-B102 solderability standards.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry / Reverse voltage reference node | Connected to lower-potential side of protected line (e.g., GND or return path); defines conduction direction. |
| Cathode | Avalanche conduction terminal / Clamping output | Connected to higher-potential side (e.g., VIN, signal line); sinks surge current to ground during overvoltage events. |
Key Features
| Feature | Design Value |
|---|---|
| 400 W peak pulse power (10/1000 µs) | Supports IEC 61000-4-5 surge immunity up to 4 kV (line-to-ground) in properly designed PCB layouts. |
| Low clamping ratio (VC/VBR ≈ 1.30) | Minimizes voltage overshoot across protected ICs-critical for 100 V-rated MOSFETs and automotive microcontrollers. |
| AEC-Q101 qualified (HM3 suffix) | Validated for automotive applications including engine control units, body electronics, and ADAS sensor interfaces. |
| Halogen-free, RoHS-compliant (M3) | Meets EU Directive 2011/65/EU and IPC-1752A material declarations; supports green manufacturing requirements. |
| MSL Level 1 (260 °C peak reflow) | Enables single-pass lead-free reflow assembly without moisture sensitivity concerns or baking preconditioning. |
Applications
| Automotive Power Rail Protection | Industrial Sensor Interface Protection |
|---|---|
|
Use Scenario: Protecting 12 V/24 V battery-fed ECUs from load dump and alternator transients. IC Role / Device Role / Timing Role: Unidirectional TVS placed between power input and ground to clamp spikes up to ±100 V. Use Value: Limits voltage seen by downstream LDOs and MCUs to ≤137 V, preventing latch-up and permanent damage per ISO 7637-2 Pulse 5a. |
Use Scenario: Shielding analog outputs of pressure/temperature sensors from ESD and cable discharge events. IC Role / Device Role / Timing Role: Low-capacitance TVS connected across signal and ground to suppress sub-100 ns transients. Use Value: Maintains signal fidelity with <1 µA leakage at 85.5 V, avoiding offset errors in 16-bit ADC front-ends. |
| DC-DC Converter Input Stage | MOSFET Gate Driver Protection |
|
Use Scenario: Safeguarding buck converter inputs against back-EMF from relay coils and motor drivers. IC Role / Device Role / Timing Role: Fast-response TVS absorbing 400 W pulses without degradation over >10⁵ cycles. Use Value: Extends lifetime of input capacitors and controller ICs by limiting peak stress to 137 V during 100 V transients. |
Use Scenario: Preventing gate oxide rupture in high-side N-channel MOSFETs due to Miller-induced voltage spikes. IC Role / Device Role / Timing Role: Clamp diode tied between gate and source to limit dV/dt-induced overvoltage. Use Value: Ensures gate-source voltage stays below 20 V rating with 137 V clamping ceiling referenced to source potential. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ100A | Same VWM (85.5 V), VC = 143 V at 2.1 A; 400 W rating; JEDEC DO-214AC package; no AEC-Q101 qualification. | Lacks automotive qualification; suitable for commercial/industrial use only. | Select SMAJ100A for cost-sensitive non-automotive designs where AEC-Q101 is not mandated. |
| 1.5SMC100A | Higher package thermal mass (DO-214AB); same VWM/VC specs; 1500 W peak power; larger footprint (7.11 mm × 6.22 mm). | Requires PCB layout change; better for high-energy surges but incompatible with space-constrained SMA footprints. | Choose 1.5SMC100A only when system-level surge testing exceeds 400 W capability and board area permits larger package. |
Compared with SMAJ100A, P4SMA100A-M3/5A adds AEC-Q101 qualification and halogen-free compliance; compared with 1.5SMC100A, it offers identical electrical performance in a smaller, automated-placement-optimized SMA package-ideal for automotive modules with strict size and reliability requirements.
Availability
P4SMA100A-M3/5A is available at Aetrix Electronics and suitable for automotive power management, industrial sensor conditioning, and DC-DC converter input protection requiring stable component supply, halogen-free compliance, and AEC-Q101 validation.
Supply support for P4SMA100A-M3/5A 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, and protection devices with emphasis on reliability, efficiency, and application-specific optimization.
The P4SMA Series targets high-volume, space-constrained transient suppression in automotive, industrial, and telecom systems-designed for rapid response, consistent clamping, and seamless integration into automated SMT lines.
FAQ
What is the maximum clamping voltage of the P4SMA100A-M3/5A under standard test conditions?
The P4SMA100A-M3/5A has a maximum clamping voltage (VC) of 137 V at 2.2 A peak pulse current using the 10/1000 µs waveform. This value is measured per Figure 1 in Vishay document 88367 and defines the upper voltage limit imposed on protected circuitry during transient events. The P4SMA100A-M3/5A maintains this clamping performance across its full operating temperature range (-65 °C to +150 °C) with minimal drift.
Is the P4SMA100A-M3/5A suitable for automotive applications?
Yes, the P4SMA100A-M3/5A is AEC-Q101 qualified (denoted by the HM3 suffix in automotive ordering codes) and rated for operation from -65 °C to +150 °C junction temperature. Its construction-including glass-passivated junction, MSL Level 1 reflow compatibility, and JESD201 Class 2 whisker resistance-meets automotive reliability requirements. The P4SMA100A-M3/5A is explicitly recommended for engine control, body electronics, and ADAS sensor protection.
What does the "M3" suffix indicate in P4SMA100A-M3/5A?
The "M3" suffix in P4SMA100A-M3/5A specifies halogen-free, RoHS-compliant construction per IPC-1752A and Vishay's material categorization standard (document 99912). It also denotes matte tin-plated leads meeting J-STD-002 solderability and JESD22-B102 mechanical durability requirements. The P4SMA100A-M3/5A is not AEC-Q101 qualified solely by the M3 suffix-the HM3 variant is required for automotive qualification.
How does the P4SMA100A-M3/5A differ from bidirectional variants like P4SMA100CA?
The P4SMA100A-M3/5A is unidirectional, with polarity marked by a cathode band and intended for DC line protection where current flows in one direction. In contrast, P4SMA100CA is bidirectional, symmetrical in both directions, and used for AC or differential signal lines. The P4SMA100A-M3/5A exhibits forward conduction behavior (VF ≈ 3.5 V at 25 A), while P4SMA100CA does not conduct in forward bias and has identical VBR in both polarities.
What is the thermal resistance of the P4SMA100A-M3/5A, and how does it affect power derating?
The P4SMA100A-M3/5A has a typical junction-to-ambient thermal resistance (RθJA) of 120 °C/W when mounted on 0.2" × 0.2" copper pads. This value directly governs power derating: above 25 °C ambient, its 3.3 W steady-state power dissipation must be reduced linearly-e.g., to ~2.0 W at 75 °C ambient. The P4SMA100A-M3/5A's RθJA is confirmed in Table 3 of Vishay document 88367 and applies to standard JEDEC-compliant pad layouts.
P4SMA100A-M3/5A Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AC, SMA
- Series:
- P4SMA, TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 85.5V
- Voltage - Breakdown (Min):
- 95V
- Voltage - Clamping (Max) @ Ipp:
- 137V
- Current - Peak Pulse (10/1000µs):
- 2.2A
- Power - Peak Pulse:
- 300W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AC (SMA)
P4SMA100A-M3/5A FAQ
1.How can I place an order for P4SMA100A-M3/5A through Aetrix?
Please submit a Request for Quotation (RFQ) for P4SMA100A-M3/5A 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 P4SMA100A-M3/5A reliable?
The price and inventory of P4SMA100A-M3/5A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P4SMA100A-M3/5A is usually 5 days.
3.What payment methods are accepted for P4SMA100A-M3/5A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P4SMA100A-M3/5A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P4SMA100A-M3/5A?
P4SMA100A-M3/5A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P4SMA100A-M3/5A 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 P4SMA100A-M3/5A?
For technical support, including P4SMA100A-M3/5A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P4SMA100A-M3/5A requirements.
6.How does Aetrix verify that P4SMA100A-M3/5A is sourced from the original manufacturer or authorized distributors?
All P4SMA100A-M3/5A 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 P4SMA100A-M3/5A meets industry standards.
7.What is the process for return or replacement of P4SMA100A-M3/5A?
All P4SMA100A-M3/5A units undergo pre-shipment inspection (PSI). If there is an issue with P4SMA100A-M3/5A, 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 P4SMA100A-M3/5A part is unused and in its original packaging.
Return procedure for P4SMA100A-M3/5A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P4SMA100A-M3/5A Tags
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