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Taiwan Semiconductor Corporation P4KE180
- Part No.:
- P4KE180
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-204AL, DO-41, Axial
- Datasheet:
-
P4KE180.pdf
- Description:
- 400W, 180V, UNIDIRECTIONAL, TVS
- Quantity:
- Payment:
- Shipping:
Inventory:4,362
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Product details
Overview
P4KE180 from Taiwan Semiconductor is a unidirectional 400W transient voltage suppressor (TVS) diode designed for primary overvoltage protection in DC power rails and signal lines. It features a 180V nominal breakdown voltage (VBR = 162–198 V at 1 mA), 146 V working stand-off voltage (VWM), clamps to ≤258 V at 1.6 A peak pulse current, and operates across –55°C to +175°C junction temperature.
For engineers reviewing the P4KE180 datasheet, P4KE180 pinout, P4KE180 application, or P4KE180 equivalent, key selection criteria include its DO-41 package compatibility, low leakage (<1 µA at VWM), fast clamping response (<1.0 ps rise time), and suitability for automotive ESD/inductive load protection per AEC-Q101 qualification.
Technical Context
The P4KE180 functions as a unidirectional avalanche diode that remains non-conductive below its 146 V stand-off threshold and rapidly transitions to low-impedance conduction when transient voltages exceed its 162–198 V breakdown range. Its 400 W peak pulse power rating is specified at the standard 10/1000 µs waveform, with clamping voltage tightly bounded at ≤258 V under 1.6 A surge current.
Thermal performance is defined by a maximum junction temperature of 175°C and steady-state power dissipation of 1 W at 75°C lead temperature. The device uses pure tin-plated leads compliant with J-STD-002 solderability and meets UL 94V-0 flammability requirements in its DO-204AL molded package.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 146 V - Maximum continuous reverse operating voltage before significant leakage begins |
| VBR (min/max) | 162 V / 198 V - Breakdown occurs within this range at 1 mA test current, defining turn-on consistency |
| VC @ IPPM | ≤258 V at 1.6 A - Clamped voltage during worst-case 10/1000 µs surge, limiting downstream stress |
| PPK | 400 W - Peak transient energy absorption capability under standardized surge waveform |
| ID @ VWM | <1 µA - Ultra-low reverse leakage ensures minimal power loss and signal integrity in standby |
| TJ max | +175°C - Enables reliable operation in under-hood automotive or industrial high-temp environments |
| Package | DO-204AL (DO-41) - Industry-standard axial leaded package with 0.300 g mass and RoHS/halogen-free compliance |
Pinout & Package
DO-204AL (DO-41) package: axial-leaded, molded epoxy case with cathode band marking for unidirectional polarity. Dimensions conform to JEDEC DO-41 outline; terminals are pure tin-plated for J-STD-002 solderability.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Ground reference terminal | Connected to system ground or low-side return path; conducts surge current to earth |
| Cathode | Protected line input | Connected to supply rail or signal line being protected; blocks VWM, avalanches above VBR |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive applications including engine control units and body electronics |
| 400 W surge rating (10/1000 µs) | Withstands high-energy transients from load dump or inductive switching without degradation |
| Clamping ratio VC/VBR ≈ 1.54 | Low overvoltage margin ensures robust protection margin for 150 V nominal systems |
| Reverse leakage <1 µA at VWM | Minimizes standby power loss and avoids false triggering in high-impedance circuits |
| Fast response <1.0 ps | Engages before most IC damage mechanisms initiate, critical for protecting high-speed interfaces |
Applications
| Automotive Power Rail Protection | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: Protecting 12 V/24 V battery-fed ECUs from ISO 7637-2 load dump and jump-start surges. IC Role / Device Role / Timing Role: Primary shunt TVS placed upstream of DC-DC converters and microcontrollers. Use Value: Limits transient voltage to ≤258 V, preventing latch-up or gate oxide rupture in downstream silicon rated for 30 V absolute max. | Use Scenario: Safeguarding analog sensor outputs (e.g., pressure, temperature) connected to PLC I/O modules. IC Role / Device Role / Timing Role: Unidirectional clamp on signal line referenced to local ground, absorbing EFT bursts per IEC 61000-4-4. Use Value: Maintains signal fidelity with <1 µA leakage at 146 V stand-off while clamping 4 kV EFT events to safe levels. |
| LED Driver Overvoltage Clamp | Telecom Line Surge Suppression |
Use Scenario: Preventing catastrophic failure of constant-current LED drivers exposed to 100 V transients on AC mains-derived DC bus. IC Role / Device Role / Timing Role: Standoff-rated TVS across bulk capacitor output, conducting only during overvoltage excursions. Use Value: Absorbs 400 W surges without thermal runaway, enabling use with low-cost aluminum electrolytic capacitors. | Use Scenario: Front-end protection for PoE-powered Ethernet switches against lightning-induced surges on data pairs. IC Role / Device Role / Timing Role: Unidirectional TVS on DC bias lines feeding isolated magnetics, coordinated with common-mode chokes. Use Value: Provides precise 146 V standoff to avoid interfering with 48 V PoE negotiation while clamping >1 kV transients. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Littelfuse P4KE180A | 171–189 V VBR range (tighter tolerance), same DO-41 package and 400 W rating | Preferred where tighter breakdown consistency is required for matched clamping across multiple channels | Select P4KE180A when statistical VBR distribution must be minimized in production batches |
| ON Semiconductor 1.5KE180A | Same VWM (146 V), but higher 1.5 kW peak power rating and larger DO-201 package | Suitable for higher-energy surge environments (e.g., industrial motor drives) requiring greater margin | Choose 1.5KE180A only if PCB layout accommodates larger DO-201 footprint and higher surge energy is expected |
Compared with P4KE180, the P4KE180A offers improved VBR consistency for precision clamping, while the 1.5KE180A trades package size for 3.75× higher peak power-making P4KE180 optimal for space-constrained 400 W protection in automotive and industrial DC systems.
Availability
P4KE180 is available at Aetrix Electronics and suitable for automotive ECU protection, industrial sensor interface hardening, and LED driver overvoltage suppression requiring stable component supply and full AEC-Q101 traceability.
Supply support for P4KE180 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 with global distribution and AEC-Q101 validation capability.
The P4KE series was engineered specifically for cost-sensitive, high-reliability transient suppression in automotive and industrial power systems-balancing 400 W surge capacity, tight thermal limits, and DO-41 manufacturability.
FAQ
What is the maximum clamping voltage of the P4KE180 under standard surge conditions?
The P4KE180 clamps to a maximum of 258 V when subjected to its rated 1.6 A peak pulse current (IPPM) under the 10/1000 µs waveform. This value is guaranteed across temperature and production lot, ensuring predictable overvoltage limiting for downstream components in designs using the P4KE180.
Is the P4KE180 suitable for bidirectional transient protection?
No, the P4KE180 is a unidirectional TVS diode intended for DC rail protection with defined anode-cathode polarity. For bidirectional applications such as AC lines or differential data buses, the P4KE180CA variant-or equivalent bipolar part-must be used instead of the P4KE180.
Does the P4KE180 meet automotive qualification standards?
Yes, the P4KE180 is AEC-Q101 qualified when ordered with the "H" suffix (e.g., P4KE180H). Standard P4KE180 parts are not automatically qualified; users must specify the AEC-Q101 version to ensure compliance with automotive reliability and stress testing requirements.
What is the reverse leakage current specification for the P4KE180 at its working voltage?
The P4KE180 exhibits ≤1 µA reverse leakage current when biased at its 146 V working stand-off voltage (VWM) and tested at 25°C. This ultra-low leakage preserves signal integrity and minimizes standby power loss in high-impedance sensing or battery-backed circuits using the P4KE180.
How does the P4KE180's thermal performance compare to similar 400 W TVS diodes?
The P4KE180 supports a maximum junction temperature of 175°C and dissipates 1 W continuously at 75°C lead temperature-matching industry benchmarks for DO-41 packaged TVS diodes. Its thermal resistance from junction-to-lead is optimized for standard PCB copper pad layouts, making the P4KE180 thermally compatible with legacy designs using comparable 400 W TVS devices.
P4KE180 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:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 146V
- Voltage - Breakdown (Min):
- 162V
- Voltage - Clamping (Max) @ Ipp:
- 258V
- Current - Peak Pulse (10/1000µs):
- 1.6A
- 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)
P4KE180 FAQ
1.How can I place an order for P4KE180 through Aetrix?
Please submit a Request for Quotation (RFQ) for P4KE180 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 P4KE180 reliable?
The price and inventory of P4KE180 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P4KE180 is usually 5 days.
3.What payment methods are accepted for P4KE180?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P4KE180 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P4KE180?
P4KE180 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P4KE180 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 P4KE180?
For technical support, including P4KE180 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P4KE180 requirements.
6.How does Aetrix verify that P4KE180 is sourced from the original manufacturer or authorized distributors?
All P4KE180 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 P4KE180 meets industry standards.
7.What is the process for return or replacement of P4KE180?
All P4KE180 units undergo pre-shipment inspection (PSI). If there is an issue with P4KE180, 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 P4KE180 part is unused and in its original packaging.
Return procedure for P4KE180:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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