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Taiwan Semiconductor Corporation P6KE24
- Part No.:
- P6KE24
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-204AC, DO-15, Axial
- Datasheet:
-
P6KE24.pdf
- Description:
- 600W, 24V, UNIDIRECTIONAL, TVS
- Quantity:
- Payment:
- Shipping:
Inventory:8,098
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Product details
Overview
P6KE24 from Taiwan Semiconductor is a unidirectional 600W transient voltage suppressor (TVS) diode designed for primary-side overvoltage clamping in DC power rails and signal lines. It features a nominal breakdown voltage of 24V, maximum clamping voltage of 34.7V at 18A peak surge current, 19.4V stand-off voltage, and low dynamic impedance for fast transient suppression in automotive and industrial electronics.
For engineers reviewing the P6KE24 datasheet, P6KE24 pinout, P6KE24 application, or P6KE24 equivalent, this device is selected for robust ESD and lightning surge protection where precise VWM/VBR margin, sub-1ns response time, and AEC-Q101 qualification (in H-suffix variants) are critical to system reliability.
Technical Context
The P6KE24 operates as a silicon avalanche diode with unidirectional polarity and single-die construction in a DO-204AC (DO-15) package. Its clamping action begins at VBR (21.6–26.4V) under 1mA test current and limits transients to ≤34.7V at 18A (10/1000μs waveform), enabling protection of downstream 24V logic and power ICs without overstressing their absolute maximum ratings.
Thermal performance is defined by a 175°C maximum junction temperature and derated pulse power above 25°C ambient per Fig.2. It exhibits <1μA reverse leakage at 19.4V and a temperature coefficient of VBR at 0.094%/°C - critical for stable clamping across automotive temperature ranges.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 21.6V / 26.4V at 1mA - defines reliable avalanche initiation window for consistent clamping onset |
| VWM | 19.4V - maximum continuous DC or RMS voltage the device blocks without significant leakage |
| VC @ IPP | 34.7V at 18A (10/1000μs) - peak voltage seen by protected circuit during worst-case surge |
| PPK | 600W - non-repetitive surge power handling capability per standard IEC 61000-4-5 waveform |
| IR @ VWM | <1μA - ensures negligible standby power loss and no interference with high-impedance sensing nodes |
| TJMAX | 175°C - supports operation in under-hood automotive and industrial environments with minimal thermal derating |
| Response Time | <1.0ps (0→VBR) - enables suppression of nanosecond-scale ESD events before IC damage occurs |
Pinout & Package
Package: DO-204AC (DO-15), axial-leaded, epoxy-molded case with cathode band marking for unidirectional polarity. Leads are pure tin-plated and solderable per J-STD-002.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Low-side reference terminal | Connected to ground or lowest potential node; establishes reference for clamping voltage threshold |
| Cathode | High-side surge input terminal | Connected to protected line (e.g., 24V rail); avalanche conduction occurs from cathode to anode during overvoltage |
Key Features
| Feature | Design Value |
|---|---|
| 600W peak pulse power | Withstands 10/1000μs surges up to 18A without degradation - suitable for IEC 61000-4-5 Level 4 compliance |
| Ultra-fast response <1ps | Clamps ESD transients before propagation into sensitive analog or digital IC inputs |
| Low dynamic impedance | Minimizes voltage overshoot during surge, reducing stress on downstream 24V-rated components |
| AEC-Q101 qualified (H-suffix) | Validated for automotive powertrain and body electronics applications requiring zero-failure reliability |
| RoHS & halogen-free | Complies with IEC 61249-2-21 and UL 94V-0 flammability - meets global environmental and safety mandates |
Applications
| Automotive Power Rail Protection | Industrial PLC Input Protection |
|---|---|
|
Use Scenario: 24V battery-supplied ECUs exposed to load dump and ISO 7637-2 pulses. IC Role / Device Role / Timing Role: Primary clamping element placed between 24V supply and DC-DC converter input. Use Value: Limits transient voltage to ≤34.7V, preventing latch-up or gate oxide rupture in downstream buck controllers rated for 40V max input. |
Use Scenario: Digital input modules receiving 24V dry-contact signals in factory automation. IC Role / Device Role / Timing Role: Front-end surge limiter on field-side signal traces before optocoupler or Schmitt trigger. Use Value: Absorbs 1kV/500A surges per IEC 61000-4-5 while maintaining <1μA leakage to preserve signal integrity at rest. |
| LED Driver Overvoltage Clamp | RS-485 Transceiver Line Protection |
|
Use Scenario: Constant-current LED drivers powered from 24V bus in street lighting systems. IC Role / Device Role / Timing Role: Parallel-connected TVS across driver input terminals to shunt inductive kickback from relay switching. Use Value: Clamps flyback spikes to 34.7V, protecting internal MOSFETs and current-sense amplifiers without affecting steady-state regulation. |
Use Scenario: RS-485 transceivers interfacing with long cables in noisy industrial networks. IC Role / Device Role / Timing Role: Unidirectional TVS on each data line (A/B) referenced to ground, upstream of transceiver pins. Use Value: Suppresses EFT bursts and cable-induced transients while preserving signal edge fidelity due to sub-1ps response and low capacitance. |
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 SMAJ24A | Same DO-214AC package, 24V nominal, 35.5V clamping at 17.1A; slightly higher VC and lower PPK (400W) | Lower surge rating makes it less suitable for IEC 61000-4-5 Level 4; preferred where board space favors SMD | Select SMAJ24A only if surface-mount assembly is required and 400W surge capacity suffices. |
| ON Semiconductor 1.5KE24A | Same DO-204AC package, identical 24V nominal and 34.7V clamping, but rated for 1500W peak power (10/1000μs) | Higher surge rating supports harsher environments (e.g., railway traction); larger thermal mass may affect PCB layout | Choose 1.5KE24A when legacy 1.5kW surge immunity is mandated, accepting higher cost and same footprint. |
Compared with SMAJ24A and 1.5KE24A, the P6KE24 delivers optimal balance of 600W surge capability, tight 21.6–26.4V VBR tolerance, and AEC-Q101 availability in cost-sensitive automotive and industrial designs where DO-15 through-hole mounting is preferred.
Availability
P6KE24 is available at Aetrix Electronics and suitable for automotive ECU protection, industrial PLC input conditioning, LED driver clamping, and RS-485 interface hardening requiring stable component supply and full traceability.
Supply support for P6KE24 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 Taiwanese semiconductor manufacturer specializing in discrete power devices, TVS diodes, rectifiers, and thyristors since 1979.
The P6KE24 belongs to TSC's high-reliability P6KE series engineered for robust transient suppression in automotive, industrial, and lighting applications where AEC-Q101 qualification, precise clamping, and long-term stability are essential.
FAQ
What is the maximum clamping voltage of the P6KE24 under standard surge conditions?
The P6KE24 has a maximum clamping voltage (VC) of 34.7V when subjected to an 18A peak pulse current with a 10/1000μs waveform. This value is measured per ANSI/IEEE C62.35 and ensures protected circuits remain within safe operating limits during transient events. The P6KE24 maintains this clamping performance across its specified junction temperature range.
Is the P6KE24 suitable for automotive applications requiring AEC-Q101 qualification?
The base P6KE24 is not AEC-Q101 qualified; however, the P6KE24H variant (with "H" suffix) is explicitly certified to AEC-Q101 for automotive use. Engineers specifying P6KE24 for under-hood or chassis-mounted systems must select the H-suffix version to meet automotive reliability and stress-test requirements. The P6KE24H shares identical electrical parameters with the standard P6KE24.
How does the P6KE24 compare to bidirectional TVS diodes in 24V applications?
The P6KE24 is unidirectional and intended for DC-biased lines where reverse voltage is blocked - such as 24V power rails with grounded return. Bidirectional variants (e.g., P6KE24CA) allow AC or floating-line protection but exhibit higher leakage and reduced VBR symmetry. For standard 24V supply clamping, the P6KE24 offers tighter VBR tolerance and lower leakage than its bidirectional counterparts.
What is the reverse leakage current of the P6KE24 at its rated standoff voltage?
The P6KE24 exhibits a maximum reverse leakage current (IR) of 1μA when biased at its rated standoff voltage of 19.4V. This ultra-low leakage ensures minimal power loss in always-on systems and avoids false triggering in high-impedance monitoring circuits. Measured at 25°C, leakage remains below 5μA up to 125°C per TSC characterization data.
Can the P6KE24 be used in parallel to increase surge current handling?
No - the P6KE24 should not be paralleled without external balancing resistors due to VBR mismatch (±5% tolerance). Uneven current sharing can cause thermal runaway in one device. For higher surge capacity, select the 1.5KE24A (1500W) or use a single higher-rated TVS rather than paralleling P6KE24 units. Layout symmetry alone does not ensure current division.
P6KE24 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Package/Case:
- DO-204AC, DO-15, Axial
- Series:
- P6KE
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 19.4V
- Voltage - Breakdown (Min):
- 21.6V
- Voltage - Clamping (Max) @ Ipp:
- 34.7V
- Current - Peak Pulse (10/1000µs):
- 18A
- Power - Peak Pulse:
- 600W
- 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-204AC (DO-15)
P6KE24 FAQ
1.How can I place an order for P6KE24 through Aetrix?
Please submit a Request for Quotation (RFQ) for P6KE24 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 P6KE24 reliable?
The price and inventory of P6KE24 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6KE24 is usually 5 days.
3.What payment methods are accepted for P6KE24?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6KE24 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6KE24?
P6KE24 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6KE24 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 P6KE24?
For technical support, including P6KE24 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6KE24 requirements.
6.How does Aetrix verify that P6KE24 is sourced from the original manufacturer or authorized distributors?
All P6KE24 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 P6KE24 meets industry standards.
7.What is the process for return or replacement of P6KE24?
All P6KE24 units undergo pre-shipment inspection (PSI). If there is an issue with P6KE24, 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 P6KE24 part is unused and in its original packaging.
Return procedure for P6KE24:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6KE24 Tags
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