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Vishay General Semiconductor - Diodes Division P4SMA13AHM3_A/I
- Part No.:
- P4SMA13AHM3_A/I
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AC, SMA
- Datasheet:
-
P4SMA13AHM3_A/I.pdf
- Description:
- TVS DIODE 11.1VWM 18.2VC DO214AC
- Quantity:
- Payment:
- Shipping:
Inventory:7,589
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Product details
Overview
P4SMA13AHM3_A/I 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 13 V breakdown voltage (VBR min/max = 12.4 V / 13.7 V at 1.0 mA), 11.1 V standoff voltage (VWM), 18.2 V clamping voltage (VC at 22.0 A), 400 W peak pulse power (10/1000 µs), and AEC-Q101 qualification for automotive use.
For engineers reviewing the P4SMA13AHM3_A/I datasheet, P4SMA13AHM3_A/I pinout, P4SMA13AHM3_A/I application, or P4SMA13AHM3_A/I equivalent, this device serves as a robust, halogen-free, RoHS-compliant transient protector for 12 V rail systems in automotive ECUs, industrial sensor interfaces, and telecom power supplies where fast response (<1 ns), low clamping ratio (VC/VBR ≈ 1.45), and MSL Level 1 reflow compatibility are critical.
Technical Context
The P4SMA13AHM3_A/I operates as a unidirectional avalanche diode with glass-passivated junction, enabling sub-nanosecond response to ESD and surge events. Its 10/1000 µs waveform rating of 400 W (derated to 300 W above 91 V) is validated under standard mounting conditions (0.2" × 0.2" copper pads), and it maintains stable clamping performance across -65 °C to +150 °C junction temperature range.
It exhibits 1.0 µA maximum reverse leakage at VWM, 0.081 %/°C temperature coefficient of VBR, and 30 °C/W junction-to-lead thermal resistance - characteristics essential for reliable operation in thermally constrained automotive PCB layouts and high-reliability industrial power rails.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 12.4 V / 13.7 V at 1.0 mA - defines precise avalanche initiation threshold for consistent overvoltage triggering |
| VWM | 11.1 V - maximum continuous reverse operating voltage before leakage exceeds 1.0 µA |
| VC @ IPPM | 18.2 V at 22.0 A - clamped voltage during 400 W transient, limiting downstream IC stress |
| PPPM | 400 W (10/1000 µs) - surge energy handling capacity suitable for ISO 7637-2 Pulse 1/2a/5a compliance |
| IFSM | 40 A (8.3 ms half-sine) - withstands repetitive load dump surges without degradation |
| TJ max | +150 °C - enables placement near hot components in engine control modules and power converters |
| AEC-Q101 | Qualified - certified for automotive-grade reliability per stress test requirements (HTOL, TC, UHAST) |
Pinout & Package
Package: SMA (DO-214AC), surface-mount, halogen-free, RoHS-compliant, matte tin-plated leads, MSL Level 1 (260 °C peak reflow).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Cathode (banded end) | Anode-side connection in reverse-biased protection configuration | Connected to protected line; conducts during overvoltage to shunt current to ground |
| Anode | Reference/ground return path | Typically tied to system ground or low-impedance return plane to complete clamping loop |
Key Features
| Feature | Design Value |
|---|---|
| 400 W peak pulse power (10/1000 µs) | Enables single-device protection against ISO 16750-2 and IEC 61000-4-5 Level 3 surges on 12 V systems |
| 0.081 %/°C VBR tempco | Ensures stable clamping threshold across automotive ambient temperature ranges (-40 °C to +125 °C) |
| AEC-Q101 qualified (HM3 suffix) | Validated for automotive electronics including body control modules and ADAS sensor power rails |
| MSL Level 1, 260 °C peak reflow | Supports standard lead-free SMT assembly without moisture sensitivity concerns or baking requirements |
| Glass passivated junction | Provides long-term stability and low leakage (<1 µA) after repeated surge exposure |
Applications
| Automotive Body Control Module (BCM) | Industrial Sensor Signal Conditioning |
|---|---|
Use Scenario: Protecting LIN bus transceivers and microcontroller I/O pins from load dump and inductive switching spikes in door module PCBs. IC Role / Device Role / Timing Role: Unidirectional TVS placed between LIN line and ground, clamping transients within 1 ns to prevent latch-up or damage. Use Value: Maintains <11.1 V standoff while clamping to ≤18.2 V, ensuring transceiver remains within absolute maximum ratings during 100 V/50 ms load dump events. |
Use Scenario: Safeguarding analog outputs (4–20 mA) and digital I/O of pressure/temperature sensors in factory automation PLC I/O modules. IC Role / Device Role / Timing Role: Primary overvoltage clamp on sensor supply rail and signal lines, coordinated with upstream fuses and filtering. Use Value: 40 A surge current capability handles repetitive 200 V/10 µs transients from nearby motor contactors without degradation. |
| Telecom Power Input Stage | Consumer USB-C Power Delivery Interface |
Use Scenario: Secondary surge suppression on +12 V DC input of PoE-powered network switches after primary MOV stage. IC Role / Device Role / Timing Role: Fast-response secondary clamp limiting residual overshoot to sensitive DC-DC controllers and PHY ICs. Use Value: Low 18.2 V clamping voltage prevents exceedance of 20 V absolute max rating on buck controller ICs during combined lightning-induced surges. |
Use Scenario: Reverse-polarity and surge protection on VBUS line of USB-C receptacles in portable monitors and docking stations. IC Role / Device Role / Timing Role: Unidirectional TVS between VBUS and chassis ground, activated only during overvoltage (not reverse insertion). Use Value: 11.1 V VWM allows full 5–20 V PD negotiation range; 18.2 V VC protects Type-C controller ICs rated to 24 V max. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ13A-E3/5A | Same VBR (12.4–13.7 V), identical SMA package, but commercial-grade (non-AEC-Q101), 3.0 W steady-state power rating vs. 3.3 W | Lacks automotive qualification; suitable for industrial/commercial power supplies where AEC-Q101 is not mandated | Select when cost sensitivity outweighs automotive reliability requirements and lifecycle traceability is not required |
| 1.5SMC13A | Higher package thermal mass (DO-214AB), 1.5 kW peak power rating, same VBR/VC, but larger footprint and lower power density | Better thermal dissipation for high-duty-cycle surges; requires PCB area increase (~30% larger pad layout) | Choose when system-level testing reveals insufficient margin with 400 W rating or when legacy DO-214AB layout is fixed |
Compared with SMAJ13A-E3/5A, P4SMA13AHM3_A/I delivers automotive-grade reliability and halogen-free compliance without sacrificing electrical specs; versus 1.5SMC13A, it offers superior space efficiency and MSL Level 1 compatibility at the expense of absolute peak power headroom.
Availability
P4SMA13AHM3_A/I is available at Aetrix Electronics and suitable for automotive electronic control units, industrial sensor interfaces, and telecom power input stages requiring stable component supply with full AEC-Q101 traceability and halogen-free compliance.
Supply support for P4SMA13AHM3_A/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, MOSFETs, and passive components with emphasis on high-reliability, automotive-qualified solutions.
The P4SMA Series is engineered for robust transient suppression in harsh environments, targeting automotive, industrial, and telecom applications where compact size, fast response, and AEC-Q101 validation are mandatory design requirements.
FAQ
What is the clamping voltage of P4SMA13AHM3_A/I at its rated peak pulse current?
The P4SMA13AHM3_A/I has a maximum clamping voltage (VC) of 18.2 V at its rated peak pulse current (IPPM) of 22.0 A, measured under the standardized 10/1000 µs double-exponential waveform. This value ensures that downstream components connected to the protected line experience no more than 18.2 V during a 400 W transient event, directly supporting design margin calculations for 12 V system ICs with 20 V absolute maximum ratings.
Is P4SMA13AHM3_A/I suitable for automotive applications?
Yes, P4SMA13AHM3_A/I is AEC-Q101 qualified and carries the HM3 suffix indicating halogen-free, RoHS-compliant, and automotive-grade construction. It is specifically intended for use in automotive subsystems such as body control modules, infotainment power rails, and ADAS sensor interfaces where qualification to AEC-Q101 stress tests (including HTOL, temperature cycling, and unbiased HAST) is mandatory.
What does the "HM3" suffix mean in P4SMA13AHM3_A/I?
The "HM3" suffix in P4SMA13AHM3_A/I denotes halogen-free, RoHS-compliant construction with AEC-Q101 qualification. The "H" indicates tape-and-reel packaging in 13-inch reels (7500 pcs), "M" specifies halogen-free molding compound, and "3" confirms compliance with JESD201 Class 2 whisker resistance and J-STD-020 MSL Level 1 reflow profile (260 °C peak).
How does P4SMA13AHM3_A/I differ from bidirectional versions like P4SMA13CA?
P4SMA13AHM3_A/I is unidirectional, with polarity marked by a cathode band and intended for DC line protection where reverse voltage is blocked. In contrast, P4SMA13CA is bidirectional, symmetric in both directions, and used for AC or dual-polarity signal lines. Their VBR, VWM, and VC values differ: P4SMA13CA has VBR = 12.4–13.7 V (bidirectional), VWM = 11.1 V, and VC = 18.2 V - identical magnitude but applicable across both polarities.
What is the maximum operating junction temperature for P4SMA13AHM3_A/I?
The maximum operating junction temperature (TJ max) for P4SMA13AHM3_A/I is +150 °C, as specified in the Vishay P4SMA Series datasheet. This rating supports deployment in high-temperature automotive under-hood environments and industrial power converters where ambient temperatures exceed 105 °C, provided thermal design (copper pad area, airflow) maintains junction temperature below this limit during surge events.
P4SMA13AHM3_A/I 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):
- 11.1V
- Voltage - Breakdown (Min):
- 12.4V
- Voltage - Clamping (Max) @ Ipp:
- 18.2V
- Current - Peak Pulse (10/1000µs):
- 22A
- Power - Peak Pulse:
- 400W
- Power Line Protection:
- No
- Applications:
- Telecom
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AC (SMA)
P4SMA13AHM3_A/I FAQ
1.How can I place an order for P4SMA13AHM3_A/I through Aetrix?
Please submit a Request for Quotation (RFQ) for P4SMA13AHM3_A/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 P4SMA13AHM3_A/I reliable?
The price and inventory of P4SMA13AHM3_A/I are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P4SMA13AHM3_A/I is usually 5 days.
3.What payment methods are accepted for P4SMA13AHM3_A/I?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P4SMA13AHM3_A/I transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P4SMA13AHM3_A/I?
P4SMA13AHM3_A/I orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P4SMA13AHM3_A/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 P4SMA13AHM3_A/I?
For technical support, including P4SMA13AHM3_A/I datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P4SMA13AHM3_A/I requirements.
6.How does Aetrix verify that P4SMA13AHM3_A/I is sourced from the original manufacturer or authorized distributors?
All P4SMA13AHM3_A/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 P4SMA13AHM3_A/I meets industry standards.
7.What is the process for return or replacement of P4SMA13AHM3_A/I?
All P4SMA13AHM3_A/I units undergo pre-shipment inspection (PSI). If there is an issue with P4SMA13AHM3_A/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 P4SMA13AHM3_A/I part is unused and in its original packaging.
Return procedure for P4SMA13AHM3_A/I:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P4SMA13AHM3_A/I Tags
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