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Vishay General Semiconductor - Diodes Division P4SMA13AHE3/5A
- Part No.:
- P4SMA13AHE3/5A
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AC, SMA
- Datasheet:
-
P4SMA13AHE3/5A.pdf
- Description:
- TVS DIODE 11.1VWM 18.2VC DO214AC
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
P4SMA13AHE3/5A from Vishay General Semiconductor is a unidirectional surface-mount Transient Voltage Suppressor (TVS) diode in SMA (DO-214AC) package, rated for 13 V breakdown voltage (VBR = 12.4–13.7 V at 1.0 mA), 11.1 V standoff voltage (VWM), and 18.2 V clamping voltage (VC) at 22.0 A peak pulse current (IPPM). It delivers 400 W peak pulse power (10/1000 µs waveform), supports automotive-grade reliability via AEC-Q101 qualification, and protects MOSFETs and sensor signal lines in industrial power supplies.
For engineers reviewing the P4SMA13AHE3/5A datasheet, P4SMA13AHE3/5A pinout, P4SMA13AHE3/5A application, or P4SMA13AHE3/5A equivalent, this page provides verified electrical parameters, thermal derating behavior, clamping performance under surge conditions, AEC-Q101 qualification status, and direct alternatives with documented VBR, VC, and IPPM alignment.
Technical Context
This unidirectional TVS diode operates by avalanche breakdown to clamp transient overvoltages above its VWM of 11.1 V, limiting downstream voltage to ≤18.2 V at 22.0 A. Its glass-passivated junction ensures stable leakage (<1.0 µA at VWM) and fast response time (<1.0 ns).
Thermal resistance is specified as RθJA = 120 °C/W (junction-to-ambient, on minimum pad layout) and RθJL = 30 °C/W (junction-to-lead), enabling reliable operation up to TJ = 150 °C. Derating above 25 °C ambient follows Fig. 2 in the datasheet, with 300 W rating applied above 91 V devices - not applicable here.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 12.4 V / 13.7 V at 1.0 mA test current - defines precise avalanche initiation threshold for repeatable clamping onset |
| VWM | 11.1 V - maximum continuous reverse operating voltage before significant leakage begins |
| VC @ IPPM | 18.2 V at 22.0 A - clamped voltage during 10/1000 µs surge, directly limiting stress on protected ICs |
| PPPM | 400 W - peak transient power handling capability under standard 10/1000 µs waveform |
| IFSM | 40 A - single half-sine surge current rating (8.3 ms), supporting inrush and switching transients |
| TJ max | +150 °C - maximum junction temperature, enabling use in under-hood automotive and industrial environments |
| AEC-Q101 | Qualified - validated for automotive electronics per stress test requirements including HTGB, HTRB, and TCT |
Pinout & Package
Package: SMA (DO-214AC), surface-mount, low-profile case with matte tin-plated leads solderable per J-STD-002 and JESD 22-B102. Cathode indicated by band; polarity critical for unidirectional operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry terminal during forward conduction | Connected to ground or low-side reference in typical TVS placement; enables forward surge path for unidirectional protection |
| Cathode | Current exit terminal during reverse-biased clamping | Connected to protected line (e.g., 12 V rail or sensor input); avalanche conduction occurs here during overvoltage events |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive applications including engine control units and ADAS sensor interfaces |
| Glass passivated junction | Ensures stable VBR tolerance and low leakage (<1.0 µA) across temperature and lifetime |
| 400 W peak pulse power (10/1000 µs) | Withstands IEC 61000-4-5 Level 4 surges (4 kV, 2 Ω source impedance) without degradation |
| MSL Level 1 (260 °C peak reflow) | Compatible with standard lead-free SMT assembly processes without moisture sensitivity concerns |
| Low incremental surge resistance | Minimizes VC overshoot during fast-rising transients, improving protection margin for sensitive ICs |
Applications
| Automotive Power Rail Protection | Industrial Sensor Signal Line Protection |
|---|---|
|
Use Scenario: Protecting 12 V supply rails in body control modules against load dump and alternator transients. IC Role / Device Role / Timing Role: Unidirectional TVS placed between rail and chassis ground to clamp positive-going surges above 11.1 V. Use Value: Limits voltage to ≤18.2 V during 22 A transients, preventing damage to microcontrollers and CAN transceivers. |
Use Scenario: Safeguarding analog outputs of pressure or temperature sensors in factory automation systems. IC Role / Device Role / Timing Role: TVS connected across sensor output and ground to suppress ESD and inductive kickback. Use Value: Clamps fast transients within <1 ns, preserving signal integrity while maintaining <1 µA leakage at 11.1 V operating point. |
| Telecom DC Power Input Protection | Consumer Power Adapter Output Protection |
|
Use Scenario: Shielding PoE-powered equipment inputs from lightning-induced surges on 48 V DC lines. IC Role / Device Role / Timing Role: Primary TVS on input stage, coordinated with upstream fuse and secondary filtering. Use Value: Absorbs 400 W pulses without thermal runaway, meeting IEC 61000-4-5 surge immunity requirements. |
Use Scenario: Preventing overvoltage damage to USB-C PD controllers during adapter fault conditions. IC Role / Device Role / Timing Role: Secondary-side TVS on regulated 5–20 V output rails to catch regulator failure transients. Use Value: Fast clamping (≤18.2 V) avoids latch-up in silicon-based USB-PD ICs while supporting RoHS-compliant assembly. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ13A-E3/52 | Same VBR range (12.4–13.7 V), but SMB package (DO-214AA); 600 W PPPM, higher IPPM (33.0 A), larger footprint | Higher power handling suits 24 V industrial systems; less suitable for space-constrained automotive PCBs | Select when board layout allows larger pad area and higher surge margin is required beyond 400 W |
| 1.5SMC13A | Same VBR/VC specs, but SMC (DO-214AB) package; 1500 W PPPM, 113 A IPPM, 2× footprint of SMA | Designed for primary-side AC/DC input protection; overqualified for low-voltage signal line use | Choose only if system-level surge testing exceeds IEC 61000-4-5 Level 4 and board space permits larger device |
Compared with SMBJ13A-E3/52 and 1.5SMC13A, P4SMA13AHE3/5A offers optimal balance of AEC-Q101 compliance, compact SMA footprint, and precise 400 W clamping for 12 V automotive and industrial signal protection-without over-engineering board area or cost.
Availability
P4SMA13AHE3/5A is available at Aetrix Electronics and suitable for automotive ECUs, industrial sensor interfaces, telecom power inputs, and consumer USB-PD adapter designs requiring stable component supply, AEC-Q101 validation, and consistent TVS clamping performance.
Supply support for P4SMA13AHE3/5A 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, automotive qualification, and high-volume manufacturability.
The P4SMA Series targets cost-sensitive, space-constrained transient protection in automotive, industrial, and telecom applications-designed for automated SMT placement and robust operation across -65 °C to +150 °C.
FAQ
What is the clamping voltage of P4SMA13AHE3/5A at its rated peak pulse current?
The P4SMA13AHE3/5A has a maximum clamping voltage (VC) of 18.2 V at 22.0 A peak pulse current (IPPM) under the standard 10/1000 µs waveform. This value is measured per Figure 1 in the Vishay datasheet 88367 and reflects worst-case voltage seen by protected circuitry during surge events. The P4SMA13AHE3/5A maintains this clamping performance across its qualified operating temperature range.
Is P4SMA13AHE3/5A qualified for automotive applications?
Yes, P4SMA13AHE3/5A is AEC-Q101 qualified, as confirmed in the Vishay P4SMA Series datasheet revision 09-Jan-2024. The "HE3" suffix denotes RoHS-compliant and AEC-Q101-qualified construction. Qualification covers high-temperature reverse bias (HTRB), high-temperature gate bias (HTGB), and temperature cycling (TCT) per automotive stress test standards. The P4SMA13AHE3/5A is approved for use in engine control, body electronics, and ADAS sensor modules.
What is the standoff voltage (VWM) and why does it matter for P4SMA13AHE3/5A?
The standoff voltage (VWM) of P4SMA13AHE3/5A is 11.1 V - the maximum continuous reverse voltage the device can block without exceeding 1.0 µA leakage current. This parameter ensures the P4SMA13AHE3/5A remains non-conductive during normal 12 V system operation, avoiding power loss or false triggering. It provides a 1.9 V design margin below the 13 V nominal breakdown, accommodating tolerance and temperature drift while maintaining reliable protection onset.
How does the thermal resistance of P4SMA13AHE3/5A affect PCB layout?
P4SMA13AHE3/5A has a typical junction-to-ambient thermal resistance (RθJA) of 120 °C/W when mounted on minimum recommended copper pads (0.2" × 0.2"). To maintain TJ ≤ 150 °C under 3.3 W steady-state dissipation, PCB layout must provide adequate copper area and airflow. Increasing pad size or adding thermal vias reduces RθJA; the P4SMA13AHE3/5A's RθJL of 30 °C/W also supports heat transfer through leads into inner layers.
Can P4SMA13AHE3/5A be used in bidirectional configurations?
No, P4SMA13AHE3/5A is a unidirectional TVS diode, as indicated by the "A" suffix and absence of "CA" in the part number. Bidirectional variants (e.g., P4SMA13CA) are required for AC-coupled or dual-polarity signal lines. Using P4SMA13AHE3/5A in bidirectional applications would result in forward conduction during negative transients, potentially damaging the device or failing to protect the circuit. Always verify polarity marking (cathode band) when placing the P4SMA13AHE3/5A.
P4SMA13AHE3/5A 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:
- Discontinued at Digi-Key
- 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:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AC (SMA)
P4SMA13AHE3/5A FAQ
1.How can I place an order for P4SMA13AHE3/5A through Aetrix?
Please submit a Request for Quotation (RFQ) for P4SMA13AHE3/5A 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 P4SMA13AHE3/5A reliable?
The price and inventory of P4SMA13AHE3/5A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P4SMA13AHE3/5A is usually 5 days.
3.What payment methods are accepted for P4SMA13AHE3/5A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P4SMA13AHE3/5A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P4SMA13AHE3/5A?
P4SMA13AHE3/5A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P4SMA13AHE3/5A 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 P4SMA13AHE3/5A?
For technical support, including P4SMA13AHE3/5A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P4SMA13AHE3/5A requirements.
6.How does Aetrix verify that P4SMA13AHE3/5A is sourced from the original manufacturer or authorized distributors?
All P4SMA13AHE3/5A 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 P4SMA13AHE3/5A meets industry standards.
7.What is the process for return or replacement of P4SMA13AHE3/5A?
All P4SMA13AHE3/5A units undergo pre-shipment inspection (PSI). If there is an issue with P4SMA13AHE3/5A, 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 P4SMA13AHE3/5A part is unused and in its original packaging.
Return procedure for P4SMA13AHE3/5A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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