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Taiwan Semiconductor Corporation P4KE180CA
- Part No.:
- P4KE180CA
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-204AL, DO-41, Axial
- Datasheet:
-
P4KE180CA.pdf
- Description:
- TVS DIODE 154VWM 246VC DO204AL
- Quantity:
- Payment:
- Shipping:
Inventory:7,788
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Product details
Overview
P4KE180CA from Taiwan Semiconductor is a bidirectional transient voltage suppressor (TVS) diode designed for high-energy surge protection in DC power lines and signal interfaces. It features a 180V nominal standoff voltage, 258V maximum clamping voltage at 1.6A peak pulse current, and 400W peak pulse power rating per 10/1000μs waveform - deployed in automotive lighting control modules to protect CAN transceiver inputs from load-dump-induced transients.
For engineers reviewing the P4KE180CA datasheet, P4KE180CA pinout, P4KE180CA application, or P4KE180CA equivalent, this device is evaluated for ESD immunity (IEC 61000-4-2), electrical fast transient (EFT) robustness (IEC 61000-4-4), and inductive switching surge suppression in 12V/24V vehicle subsystems where low leakage (<1μA @ 146V) and fast response (<5ns) are critical.
Technical Context
The P4KE180CA operates as a bidirectional avalanche diode with symmetrical breakdown characteristics in both polarities, enabling protection of AC-coupled or floating signal paths without polarity concerns. Its VBR range (162–198V at 1mA test current) and temperature coefficient (0.108%/°C) ensure stable clamping across automotive-grade junction temperatures (–55°C to +175°C).
It complies with ANSI/IEEE C62.35 for transient suppression and meets UL 94V-0 flammability requirements in its DO-204AL (DO-41) package. The device sustains 400W non-repetitive surges per 10/1000μs waveform while maintaining <1μA reverse leakage above its 146V working stand-off voltage.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Nominal Voltage | 180V - defines rated DC operating voltage threshold before clamping activation |
| Breakdown Voltage VBR | 162–198V @ 1mA - ensures reliable avalanche conduction onset within specified tolerance band |
| Working Stand-off Voltage VWM | 146V - maximum continuous reverse voltage without significant leakage current |
| Clamping Voltage VC | 258V @ 1.6A - peak voltage seen by protected circuit during 10/1000μs surge event |
| Peak Pulse Power PPK | 400W - energy-handling capability under standardized transient waveform |
| Reverse Leakage ID | <1μA @ 146V - minimal standby power loss and signal integrity impact |
| Response Time | <5ns - enables effective suppression of fast-rising EFT and ESD transients |
Pinout & Package
Package: DO-204AL (DO-41), axial-leaded, glass-passivated case with pure tin-plated leads compliant with J-STD-002 solderability and JESD201 Class 2 whisker resistance. Polarity marked by cathode band only for unidirectional variants; P4KE180CA is bidirectional and non-polarized.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode / Cathode (symmetrical) | Bidirectional avalanche junction | Either terminal serves as input/output - no polarity dependency in circuit layout |
| Lead 1 / Lead 2 | Current path terminals | Direct connection to protected line and ground/reference plane; no internal biasing |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified option available | Validated for automotive under-hood applications including temperature cycling, humidity, and mechanical shock |
| 400W peak pulse power (10/1000μs) | Withstands ISO 7637-2 Pulse 1, 2a, 3a/b and IEC 61000-4-5 Combination Wave surges without degradation |
| Clamping ratio VC/VBR ≈ 1.59 | Low overvoltage margin ensures downstream ICs remain within absolute maximum ratings during clamping |
| UL Recognized (E326243) | Meets safety certification requirements for end-equipment compliance in North America |
| RoHS & halogen-free | Complies with IEC 61249-2-21 and EU RoHS Directive 2011/65/EU for environmentally constrained designs |
Applications
| Automotive Lighting Control | Industrial PLC I/O Protection |
|---|---|
Use Scenario: Protecting LED driver ICs and microcontroller GPIOs in headlamp modules subjected to battery load dump (ISO 7637-2 Pulse 5a). IC Role / Device Role / Timing Role: Bidirectional TVS placed between supply rail and ground to clamp transients before they reach sensitive analog front-end circuits. Use Value: Limits voltage excursion to ≤258V during 100V/100ms load dump events, preventing latch-up or gate oxide damage in 3.3V/5V logic. |
Use Scenario: Safeguarding 24V digital input channels on programmable logic controllers exposed to relay coil flyback and field wiring EFT noise. IC Role / Device Role / Timing Role: Primary surge shunt located at connector entry point, upstream of optocoupler isolation barrier. Use Value: Absorbs 400W surge energy without failure, maintaining channel integrity across 100,000+ switching cycles per IEC 61000-4-4 Level 4 testing. |
| Telecom Power Feeds | Consumer Appliance Motor Drivers |
Use Scenario: Protecting PoE-powered Ethernet PHYs and DC-DC converters from induced surges on long-distance twisted-pair cabling. IC Role / Device Role / Timing Role: Common-mode TVS pair (two P4KE180CA devices) across differential pairs to suppress asymmetric transients. Use Value: Clamps common-mode surges up to ±1kV (10/1000μs) while preserving signal integrity below 100MHz due to low junction capacitance (~50pF). |
Use Scenario: Shielding BLDC motor controller gate drivers from back-EMF spikes generated during PWM commutation in HVAC blowers. IC Role / Device Role / Timing Role: Rail-to-rail TVS on 12V auxiliary supply feeding high-side/low-side driver ICs. Use Value: Responds in <5ns to 600V spikes, limiting stress on driver IC's VDD pin and avoiding false shutdown or shoot-through failure. |
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 SMAJ180CA | Same DO-214AC (SMA) package; 258V clamping at 1.6A but 400W rating achieved at higher test current (1.7A); slightly lower leakage (0.5μA @ 146V) | Surface-mount alternative requiring PCB redesign; better thermal dissipation in high-density layouts | Select when automated assembly and board space constraints favor SMD over axial leaded packages |
| Vishay 1.5KE180CA | Higher peak pulse power (1500W), larger DO-201AD package; identical VBR (162–198V) and VC (258V), but 10× higher IPPM (15A) | Suitable for higher-energy threat environments (e.g., industrial mains-connected equipment), not automotive grade | Choose when system-level surge testing exceeds ISO 7637-2 and requires >400W margin without parallel devices |
Compared with SMAJ180CA and 1.5KE180CA, the P4KE180CA offers optimal balance of automotive qualification readiness, axial through-hole manufacturability, and precise 400W/180V targeting - making it ideal for cost-sensitive, high-volume automotive electronics where AEC-Q101 compliance and legacy assembly compatibility are mandatory.
Availability
P4KE180CA is available at Aetrix Electronics and suitable for automotive lighting systems, industrial PLC I/O modules, telecom power feed protection, and consumer appliance motor control requiring stable component supply across multi-year production cycles.
Supply support for P4KE180CA 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 automotive, industrial, and consumer markets.
The P4KE series was developed to deliver AEC-Q101-capable, high-reliability TVS protection in standard DO-41 packaging for cost-sensitive automotive subsystems requiring robust ESD/EFT immunity without SMT rework.
FAQ
What is the maximum clamping voltage of the P4KE180CA under standard surge conditions?
The P4KE180CA has a maximum clamping voltage (VC) of 258V when subjected to a 10/1000μs waveform with a peak pulse current (IPPM) of 1.6A. This value is measured per ANSI/IEEE C62.35 and represents the highest voltage that will appear across the P4KE180CA during a defined transient event - critical for ensuring protected ICs remain within their absolute maximum voltage ratings.
Is the P4KE180CA suitable for automotive applications?
Yes, the P4KE180CA is offered in an AEC-Q101 qualified variant (P4KE180CAH), validated for automotive use including temperature cycling, mechanical shock, and humidity exposure. While the base P4KE180CA meets all electrical specifications for automotive surge protection, only the "H" suffix version carries formal AEC-Q101 certification - essential for Tier 1 supplier BOM acceptance.
How does the bidirectional configuration of the P4KE180CA affect circuit design?
The P4KE180CA is inherently bidirectional, meaning it provides symmetrical clamping in both forward and reverse directions without polarity marking or orientation constraints. This eliminates the need for directional placement during assembly and simplifies protection of AC-coupled signals, floating buses, or dual-rail supplies - unlike unidirectional variants such as P4KE180A which require correct anode/cathode alignment.
What is the junction temperature limit for continuous operation of the P4KE180CA?
The P4KE180CA supports a continuous operating junction temperature range of –55°C to +175°C. Its maximum steady-state power dissipation is 1W at lead temperature (TL) = 75°C with 9.5mm lead lengths mounted on 5×5 mm copper pads - a key derating factor for high-ambient environments like engine compartments where thermal management directly impacts long-term reliability of the P4KE180CA.
Can the P4KE180CA be used in parallel to increase surge handling capacity?
No, the P4KE180CA is not recommended for parallel operation due to mismatch in breakdown voltage (VBR tolerance of ±10%) leading to uneven current sharing and potential thermal runaway. For higher energy requirements, select a single higher-rated device such as the 1.5KE180CA or implement staged protection with upstream current-limiting resistors - always verifying coordination using the P4KE180CA's published clamping curve and thermal impedance data.
P4KE180CA 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):
- 154V
- Voltage - Breakdown (Min):
- 171V
- Voltage - Clamping (Max) @ Ipp:
- 246V
- Current - Peak Pulse (10/1000µs):
- 1.7A
- 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)
P4KE180CA FAQ
1.How can I place an order for P4KE180CA through Aetrix?
Please submit a Request for Quotation (RFQ) for P4KE180CA 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 P4KE180CA reliable?
The price and inventory of P4KE180CA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P4KE180CA is usually 5 days.
3.What payment methods are accepted for P4KE180CA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P4KE180CA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P4KE180CA?
P4KE180CA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P4KE180CA 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 P4KE180CA?
For technical support, including P4KE180CA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P4KE180CA requirements.
6.How does Aetrix verify that P4KE180CA is sourced from the original manufacturer or authorized distributors?
All P4KE180CA 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 P4KE180CA meets industry standards.
7.What is the process for return or replacement of P4KE180CA?
All P4KE180CA units undergo pre-shipment inspection (PSI). If there is an issue with P4KE180CA, 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 P4KE180CA part is unused and in its original packaging.
Return procedure for P4KE180CA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P4KE180CA Tags
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