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Taiwan Semiconductor Corporation P4KE11CA
- Part No.:
- P4KE11CA
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-204AL, DO-41, Axial
- Datasheet:
-
P4KE11CA.pdf
- Description:
- TVS DIODE 9.4VWM 15.6VC DO204AL
- Quantity:
- Payment:
- Shipping:
Inventory:5,153
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Product details
Overview
P4KE11CA from Taiwan Semiconductor is a bidirectional transient voltage suppressor (TVS) diode designed for high-energy ESD and surge protection in DC power rails and signal lines. It features a 11V nominal standoff voltage, 16.2V maximum clamping voltage at 26A peak pulse current, 400W peak pulse power rating per 10/1000μs waveform, and DO-204AL (DO-41) axial package - deployed in automotive lighting control modules, industrial sensor interfaces, and AC/DC adapter input stages.
For engineers reviewing the P4KE11CA datasheet, P4KE11CA pinout, P4KE11CA application, or P4KE11CA equivalent, key selection criteria include bidirectional clamping behavior, low leakage (<1μA at 8.92V), fast response time (≤5.0ns), UL recognition (E-326243), and AEC-Q101 qualification for automotive-grade reliability.
Technical Context
The P4KE11CA operates as a silicon avalanche diode with symmetrical breakdown characteristics in both polarities, enabling robust protection against positive and negative transients without polarity sensitivity. Its VBR min/max of 9.90–12.1V at 1mA test current defines precise triggering thresholds, while TJ max of 175°C supports operation in under-hood automotive environments.
Clamping performance is characterized by VC = 16.2V at IPPM = 26A (10/1000μs), delivering low let-through voltage during surge events. The device exhibits a temperature coefficient of 0.075%/°C for VBR, ensuring stable breakdown voltage across its –55°C to +175°C operating junction range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Nominal Voltage | 11V - defines rated working stand-off level before avalanche conduction begins |
| Breakdown Voltage VBR | 9.90–12.1V @ 1mA - ensures reliable, repeatable turn-on within tight tolerance band |
| Working Stand-off Voltage VWM | 8.92V - maximum continuous reverse voltage the device blocks without leakage exceeding 1μA |
| Peak Pulse Power PPK | 400W @ 10/1000μs - sustains high-energy surges typical of ISO 7637-2 Load Dump or IEC 61000-4-5 Level 4 |
| Clamping Voltage VC | 16.2V @ 26A - limits downstream voltage stress to safe levels for 3.3V/5V/12V ICs |
| Leakage Current ID | <1μA @ 8.92V - minimizes standby power loss and avoids false triggering in low-power systems |
| Response Time | ≤5.0ns - enables suppression of fast EFT bursts (IEC 61000-4-4) before sensitive circuitry reacts |
Pinout & Package
Package: DO-204AL (DO-41), axial leaded, epoxy-molded case with UL 94V-0 flammability rating and pure tin-plated leads compliant with J-STD-002 solderability.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode / Cathode (symmetrical) | Bidirectional avalanche junction | No polarity marking required; identical electrical behavior in either direction |
| Lead 1 | Terminal connection | Directly bonded to silicon die; forms one side of TVS junction |
| Lead 2 | Terminal connection | Directly bonded to silicon die; forms opposite side of TVS junction |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive applications including engine control units and body electronics |
| UL Recognized (E-326243) | Meets safety requirements for end-equipment certification in North America |
| RoHS & Halogen-free | Complies with IEC 61249-2-21 and environmental directives for green manufacturing |
| Low clamping ratio (VC/VBR ≈ 1.4) | Minimizes overvoltage exposure during surge events compared to competing TVS devices |
| 175°C max junction temperature | Enables placement near heat-generating components in compact industrial enclosures |
Applications
| Automotive Lighting Control | Industrial Sensor Interface |
|---|---|
Use Scenario: Protecting LED driver ICs from load dump transients in 12V vehicle lighting systems. IC Role / Device Role: Bidirectional TVS placed across power input pins of buck controller ICs. Use Value: Clamps 12V rail to ≤16.2V during 100V/50ms load dump events, preventing latch-up or gate oxide damage. |
Use Scenario: Shielding 4–20mA analog sensor outputs from EFT coupling on factory floor wiring. IC Role / Device Role: TVS connected between signal line and ground to shunt fast transients. Use Value: Sub-5ns response captures 5kV/50ns EFT pulses before op-amp input stages saturate or fail. |
| AC/DC Adapter Input Stage | USB-C Power Delivery Port |
Use Scenario: Safeguarding bridge rectifier and primary-side controller from lightning-induced surges on AC mains. IC Role / Device Role: TVS mounted across bulk capacitor input to clamp differential-mode surges. Use Value: 400W peak power handling absorbs 1.2/50μs surges up to 6kV without degradation. |
Use Scenario: Providing secondary-side overvoltage protection on USB-C PD CC lines and VBUS paths. IC Role / Device Role: Bidirectional TVS placed between CC1/CC2 and ground to suppress contact bounce and hot-swap spikes. Use Value: Symmetrical 11V standoff allows safe operation across ±20V PD negotiation voltages while clamping faults to 16.2V. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Littelfuse SMAJ11CA | Same DO-214AC (SMA) package; 11V VWM, 17.0V VC @ 24.5A; 400W rating | Surface-mount only; requires PCB rework vs. P4KE11CA's through-hole DO-41 | Select for space-constrained designs where automated SMT assembly is preferred |
| ON Semiconductor 1.5KE11CA | Higher 1500W rating; larger DO-201AE (DO-27) package; 11V VWM, 17.0V VC @ 88A | Overkill for 400W-class protection; adds cost and board area without benefit in low-energy circuits | Choose only when legacy 1.5KE footprint compatibility or higher surge margin is mandatory |
Compared with SMAJ11CA and 1.5KE11CA, the P4KE11CA delivers optimal balance of proven automotive reliability (AEC-Q101), axial through-hole manufacturability, and precise 400W/16.2V clamping for cost-sensitive 12V system protection - avoiding unnecessary thermal derating or layout redesign.
Availability
P4KE11CA is available at Aetrix Electronics and suitable for automotive lighting control, industrial sensor interface, and AC/DC adapter input stage applications requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for P4KE11CA 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 - headquartered in Hsinchu, Taiwan, with global distribution and AEC-Q101 validation capabilities.
The P4KE series was engineered specifically for high-reliability transient suppression in automotive and industrial environments, emphasizing tight VBR tolerance, low clamping voltage, and robust surge endurance in standard axial packages.
FAQ
What is the maximum clamping voltage of the P4KE11CA under surge conditions?
The P4KE11CA has a maximum clamping voltage (VC) of 16.2V at 26A peak pulse current (IPPM), measured using the standardized 10/1000μs double-exponential waveform. This value ensures protected downstream circuitry remains below critical overvoltage thresholds during transient events, and is confirmed in the manufacturer's published electrical characteristics table for the exact P4KE11CA part number.
Is the P4KE11CA suitable for automotive applications?
Yes, the P4KE11CA is AEC-Q101 qualified and explicitly listed in Taiwan Semiconductor's documentation as an automotive-grade option. Its –55°C to +175°C operating junction temperature range, UL recognition (E-326243), and robust surge capability make it appropriate for under-hood and cabin applications such as body control modules and lighting drivers - as verified in the official P4KE series datasheet revision N2104.
What does the "CA" suffix indicate in P4KE11CA?
The "CA" suffix in P4KE11CA denotes a bidirectional configuration - meaning the device provides symmetrical transient suppression for both positive and negative voltage excursions. This is distinct from "C"-only variants (unidirectional with cathode band) and aligns with Taiwan Semiconductor's naming convention where "CA" indicates bipolar operation with no polarity marking required, as confirmed in the Devices for bipolar applications section of the datasheet.
What is the working stand-off voltage (VWM) of the P4KE11CA?
The working stand-off voltage (VWM) of the P4KE11CA is 8.92V, representing the maximum DC or continuous peak voltage the device will block without exceeding 1μA leakage current. This parameter is derived directly from the published electrical characteristics table and ensures compatibility with 9V nominal systems while maintaining sufficient margin below the 11V nominal breakdown rating.
Does the P4KE11CA meet RoHS and halogen-free requirements?
Yes, the P4KE11CA is RoHS compliant and halogen-free per IEC 61249-2-21, as explicitly stated in the FEATURES section of the official datasheet. The molding compound is UL 94V-0 rated, and the pure tin-plated leads satisfy J-STD-002 solderability standards - all verified in the Mechanical Data and Compliance sections of Taiwan Semiconductor's P4KE series documentation.
P4KE11CA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Package/Case:
- DO-204AL, DO-41, Axial
- Series:
- P4KE
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 9.4V
- Voltage - Breakdown (Min):
- 10.5V
- Voltage - Clamping (Max) @ Ipp:
- 15.6V
- Current - Peak Pulse (10/1000µs):
- 27A
- Power - Peak Pulse:
- 400W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 175°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- DO-204AL (DO-41)
P4KE11CA FAQ
1.How can I place an order for P4KE11CA through Aetrix?
Please submit a Request for Quotation (RFQ) for P4KE11CA 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 P4KE11CA reliable?
The price and inventory of P4KE11CA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P4KE11CA is usually 5 days.
3.What payment methods are accepted for P4KE11CA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P4KE11CA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P4KE11CA?
P4KE11CA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P4KE11CA 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 P4KE11CA?
For technical support, including P4KE11CA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P4KE11CA requirements.
6.How does Aetrix verify that P4KE11CA is sourced from the original manufacturer or authorized distributors?
All P4KE11CA 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 P4KE11CA meets industry standards.
7.What is the process for return or replacement of P4KE11CA?
All P4KE11CA units undergo pre-shipment inspection (PSI). If there is an issue with P4KE11CA, 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 P4KE11CA part is unused and in its original packaging.
Return procedure for P4KE11CA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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