Taiwan Semiconductor Corporation P4SMA13CA
- Part No.:
- P4SMA13CA
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AC, SMA
- Datasheet:
-
P4SMA13CA.pdf
- Description:
- TVS DIODE 11.1VWM 18.2VC DO214AC
- Quantity:
- Payment:

- Shipping:

Inventory:3,218
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Product details
Overview
P4SMA13CA from Taiwan Semiconductor is a bidirectional surface-mount transient voltage suppressor (TVS) diode designed for robust overvoltage protection in DC power rails and signal lines. It features a 11.1 V working stand-off voltage, 12.4–13.7 V breakdown voltage at 1 mA, 18.2 V maximum clamping voltage at 23 A (10/1000 µs), 400 W peak pulse power rating, and DO-214AC (SMA) package - deployed in switching mode power supplies and on-board DC/DC converters.
For engineers reviewing the P4SMA13CA datasheet, P4SMA13CA pinout, P4SMA13CA application, or P4SMA13CA equivalent, key selection criteria include bidirectional clamping capability, low leakage (<1 µA at VWM), ISO 7637-2 Pulse 1/2a/2b/3a/3b compliance, and suitability for automotive and industrial power rail protection where fast response (<1.0 ps) and UL 94V-0 molding are required.
Technical Context
The P4SMA13CA implements a glass-passivated silicon junction optimized for unidirectional or bidirectional transient suppression. Its bipolar configuration enables symmetrical clamping in both polarities without external circuitry, supporting direct integration into differential or floating bus lines.
It operates across –55 °C to +150 °C junction temperature range with <0.081 %/°C temperature coefficient of VBR, ensuring stable breakdown voltage over thermal stress. The device meets JESD201 Class 2 whisker resistance and J-STD-020 Moisture Sensitivity Level 1, enabling standard reflow assembly without baking.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 11.1 V - Maximum continuous reverse operating voltage before significant leakage begins; defines safe DC bias margin. |
| VBR @ IT=1 mA | 12.4–13.7 V - Measured breakdown range confirming reliable turn-on threshold under standardized test conditions. |
| VC @ IPPM=23 A | 18.2 V - Clamped voltage during 10/1000 µs surge; determines protected circuit's maximum transient exposure. |
| PPPM | 400 W - Peak pulse power handling per single non-repetitive event; supports high-energy transients like load dump. |
| IR @ VWM | <1 µA - Ultra-low reverse leakage ensures minimal standby power loss and signal integrity in high-impedance nodes. |
| TJ max | +150 °C - Maximum junction temperature enabling operation in under-hood or enclosed industrial environments. |
| Package | DO-214AC (SMA) - Standardized surface-mount outline with 0.060 g mass and matte tin-plated leads compliant with J-STD-002 solderability. |
Pinout & Package
DO-214AC (SMA) package: molded plastic case with cathode band marking; dual axial leads suitable for automated placement; polarity indicated by cathode band (bidirectional operation uses symmetric terminal roles).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode / Cathode | Bidirectional current path | Terminals are functionally identical; clamping occurs symmetrically regardless of polarity - no dedicated anode/cathode assignment required in layout. |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated junction | Ensures long-term reliability and stable electrical characteristics under thermal cycling and humidity exposure. |
| Fast response time <1.0 ps | Enables suppression of nanosecond-scale ESD and EFT events before sensitive downstream ICs are damaged. |
| ISO 7637-2 compliance (Pulse 1/2a/2b/3a/3b) | Validates performance against automotive-level conducted transients including battery disconnect and inductive switch-off spikes. |
| Moisture Sensitivity Level 1 | Permits use in standard SMT reflow without pre-baking, reducing manufacturing complexity and cost. |
| RoHS & halogen-free | Meets IEC 61249-2-21 and EU RoHS directives for environmentally constrained industrial and automotive supply chains. |
Applications
| Switching Mode Power Supply (SMPS) | On-Board DC/DC Converter |
|---|---|
Use Scenario: Protection of primary-side MOSFET gate drivers and secondary-side rectifier outputs against flyback spikes and cross-talk. IC Role / Device Role / Timing Role: Bidirectional TVS clamp placed across input/output rails to limit transient overvoltage before it reaches controller ICs or power switches. Use Value: Prevents latch-up or gate oxide damage in 650 V Si MOSFETs and synchronous rectifiers by limiting VPP to ≤18.2 V during 400 W surges. | Use Scenario: Input rail protection in isolated 12 V → 3.3 V/5 V point-of-load converters used in motor control modules and sensor hubs. IC Role / Device Role / Timing Role: Standoff-rated TVS absorbing coupled noise from adjacent high-current switching stages and CAN/LIN bus coupling. Use Value: Maintains system uptime by preventing reset events in microcontrollers due to >100 V transients induced by relay coil collapse or PWM edge coupling. |
| Automotive Lighting Module | Industrial Adapter Interface |
Use Scenario: Protection of LED driver IC inputs and LIN bus transceivers in headlamp control units subjected to load dump and jump-start surges. IC Role / Device Role / Timing Role: Primary overvoltage guard at main 12 V/24 V supply entry point, coordinating with upstream fuses and downstream ceramic filters. Use Value: Withstands 12 V system load dump pulses (ISO 7637-2 Pulse 5a) up to 60 V for 400 ms while clamping to 18.2 V - preserving driver IC functionality. | Use Scenario: AC-DC adapter output stage protection for USB-C PD and PoE-powered devices exposed to hot-plug and cable discharge events. IC Role / Device Role / Timing Role: Final-stage transient barrier between adapter output and host device input, placed immediately before connector or EMI filter. Use Value: Limits ESD (IEC 61000-4-2 ±15 kV contact) and cable discharge (IEC 61000-4-5 2 kV line-earth) to sub-damaging levels without degrading 11.1 V nominal rail regulation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ13CA (Bourns) | Same DO-214AA package; 400 W rating; VWM = 11.1 V, VC = 21.5 V @ 18.7 A - higher clamping voltage than P4SMA13CA's 18.2 V. | Higher clamping reduces margin for low-voltage ICs; preferred where board space allows larger SMB footprint and higher surge tolerance is needed. | Select SMBJ13CA when PCB layout permits DO-214AA and system-level testing confirms 21.5 V clamping is acceptable for downstream logic. |
| 1.5KE13CA (ON Semiconductor) | Through-hole DO-15 package; 1500 W rating; VWM = 11.1 V, VC = 20.0 V @ 75 A - higher power but incompatible mounting and footprint. | Not surface-mountable; used in legacy or high-surge prototyping where rework tolerance and manual assembly are acceptable. | Choose 1.5KE13CA only for through-hole designs or evaluation fixtures requiring higher single-pulse energy absorption beyond 400 W. |
Compared with SMBJ13CA and 1.5KE13CA, the P4SMA13CA delivers tighter clamping (18.2 V), smaller DO-214AC footprint, and optimized SMT manufacturability - making it the preferred choice for space-constrained, high-volume automotive and industrial DC/DC applications requiring precise overvoltage control.
Availability
P4SMA13CA is available at Aetrix Electronics and suitable for switching mode power supplies, on-board DC/DC converters, and automotive lighting modules requiring stable component supply, full traceability, and lifecycle continuity.
Supply support for P4SMA13CA 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
Taiwan Semiconductor Corporation (TSC) is a vertically integrated semiconductor manufacturer specializing in discrete power devices, TVS diodes, rectifiers, and MOSFETs for industrial, automotive, and consumer markets.
The P4SMA series belongs to TSC's surface-mount TVS portfolio engineered specifically for high-reliability transient suppression in compact, automated assembly environments - emphasizing low leakage, fast response, and AEC-Q200-aligned robustness.
FAQ
What is the polarity configuration of the P4SMA13CA?
The P4SMA13CA is a bidirectional TVS diode, meaning it provides symmetrical clamping in both forward and reverse directions. Its terminals are not designated as anode or cathode for functional operation - the cathode band marking is retained for mechanical orientation only, and the device functions identically regardless of installation direction on the PCB.
Does the P4SMA13CA meet automotive transient standards?
Yes, the P4SMA13CA meets ISO 7637-2 requirements for Pulse 1, 2a, 2b, 3a, and 3b, covering common automotive conducted transients such as supply disconnection, inductive load switching, and capacitive coupling. This makes the P4SMA13CA suitable for front-end protection in automotive body control modules, lighting systems, and infotainment power supplies.
What is the maximum clamping voltage of the P4SMA13CA under surge conditions?
The P4SMA13CA has a maximum clamping voltage (VC) of 18.2 V when subjected to a 10/1000 µs waveform peak impulse current of 23 A. This value is measured per ANSI/IEEE C62.35 and defines the upper voltage limit imposed on protected circuitry during standardized surge events.
Can the P4SMA13CA be used in place of a unidirectional TVS diode?
No - the P4SMA13CA is specifically designed for bidirectional operation and must not replace unidirectional TVS diodes in circuits requiring asymmetric clamping or DC bias blocking. Its symmetrical IV curve lacks the forward conduction behavior of unidirectional parts; substituting it in rectifier-coupled or single-polarity protection paths may cause unintended conduction or failure to suppress targeted transients.
What is the moisture sensitivity level (MSL) rating for the P4SMA13CA?
The P4SMA13CA is rated MSL Level 1 per J-STD-020, meaning it can be stored indefinitely at ambient conditions (≤30 °C / 60% RH) and processed using standard reflow profiles without baking or dry-pack requirements - simplifying SMT line integration and reducing handling overhead.
P4SMA13CA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Package/Case:
- DO-214AC, SMA
- Series:
- P4SMA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 11.1V
- Voltage - Breakdown (Min):
- 12.4V
- Voltage - Clamping (Max) @ Ipp:
- 18.2V
- Current - Peak Pulse (10/1000µs):
- 23A
- 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-214AC (SMA)
P4SMA13CA FAQ
1.How can I place an order for P4SMA13CA through Aetrix?
Please submit a Request for Quotation (RFQ) for P4SMA13CA 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 P4SMA13CA reliable?
The price and inventory of P4SMA13CA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P4SMA13CA is usually 5 days.
3.What payment methods are accepted for P4SMA13CA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P4SMA13CA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P4SMA13CA?
P4SMA13CA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P4SMA13CA 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 P4SMA13CA?
For technical support, including P4SMA13CA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P4SMA13CA requirements.
6.How does Aetrix verify that P4SMA13CA is sourced from the original manufacturer or authorized distributors?
All P4SMA13CA 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 P4SMA13CA meets industry standards.
7.What is the process for return or replacement of P4SMA13CA?
All P4SMA13CA units undergo pre-shipment inspection (PSI). If there is an issue with P4SMA13CA, 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 P4SMA13CA part is unused and in its original packaging.
Return procedure for P4SMA13CA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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