My Inquiry
My Account
Taiwan Semiconductor Corporation P6KE250H
- Part No.:
- P6KE250H
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-204AC, DO-15, Axial
- Datasheet:
-
P6KE250H.pdf
- Description:
- 600W, 250V, UNIDIRECTIONAL, TVS
- Quantity:
- Payment:
- Shipping:
Inventory:6,041
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
P6KE250H from Taiwan Semiconductor is a unidirectional 600W transient voltage suppressor (TVS) diode designed for primary-level overvoltage protection in DC power rails and signal lines. It features a nominal breakdown voltage of 250 V, clamps transients to ≤360 V at 1.7 A peak surge current, and delivers sub-nanosecond response time (<1.0 ps) for ESD and lightning-induced surge suppression in automotive power systems.
For engineers reviewing the P6KE250H datasheet, P6KE250H pinout, P6KE250H application, or P6KE250H equivalent, key selection criteria include its AEC-Q101 qualification, DO-204AC (DO-15) through-hole package, 202 V standoff voltage, <1 μA leakage above 10 V, and 175 °C maximum junction temperature - critical for under-hood automotive electronics and industrial power supply inputs.
Technical Context
The P6KE250H operates as a silicon avalanche diode with unidirectional polarity, activated only during reverse-biased overvoltage events. Its clamping behavior is defined by a 10/1000 µs surge waveform, with a maximum clamping voltage of 360 V at 1.7 A peak pulse current and a temperature coefficient of VBR at 0.110 %/°C.
It is rated for non-repetitive peak impulse power dissipation of 600 W, steady-state power dissipation of 5 W at 75 °C (on 5×5 mm copper pads), and withstands 100 A forward surge current (8.3 ms half-sine). The device meets UL 94V-0 flammability rating and JESD201 Class 2 whisker resistance.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Peak Pulse Power | 600 W - sustains single high-energy transients per IEC 61000-4-5 Level 4 without failure |
| Standoff Voltage (VWM) | 202 V - maximum continuous DC operating voltage before leakage exceeds 1 μA |
| Breakdown Voltage (VBR) | 225–275 V @ 1 mA - guaranteed avalanche conduction onset range for reliable triggering |
| Clamping Voltage (VC) | ≤360 V @ 1.7 A - limits downstream circuit voltage during worst-case 10/1000 µs surge |
| Junction Temperature Range | −55 °C to +175 °C - supports operation in engine bay, industrial motor drives, and outdoor power supplies |
| Response Time | <1.0 ps - enables effective suppression of ESD (IEC 61000-4-2) and fast-rising transients |
| AEC-Q101 Qualified | Yes - validated for automotive-grade reliability including temperature cycling, HTRB, and mechanical shock |
Pinout & Package
Package: DO-204AC (DO-15), axial-lead, epoxy-molded case with cathode band marking. Leads are pure tin-plated, solderable per J-STD-002, and meet UL 94V-0 flammability rating.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (unmarked end) | Current sink during clamping | Connected to protected line; conducts surge current to ground when VRM exceeded |
| Cathode (banded end) | Reference terminal / polarity marker | Connected to system ground or lower-potential rail; defines unidirectional conduction direction |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive under-hood applications including temperature cycling, HTRB, and mechanical robustness |
| Low dynamic impedance | Enables tight clamping (360 V max) even at high surge currents, minimizing voltage overshoot on protected ICs |
| UL recognition (E-326243) | Confirms compliance with UL 497B for telecom and industrial surge protection system integration |
| Halogen-free construction | Meets IEC 61249-2-21; supports RoHS-compliant manufacturing and end-of-life recycling requirements |
| 175 °C junction rating | Allows placement near heat sources (e.g., power converters) without thermal derating penalties in most layouts |
Applications
| Automotive Power Rail Protection | Industrial DC Power Input |
|---|---|
|
Use Scenario: Protecting 24 V and 48 V battery-fed ECUs against load dump and alternator transients. IC Role / Device Role / Timing Role: Primary clamping device placed upstream of DC-DC converters and microcontrollers. Use Value: Clamps 120 V/350 ms load dump spikes to ≤360 V, preventing damage to downstream 36 V-rated input stages. |
Use Scenario: Safeguarding programmable logic controllers (PLCs) and motor drives from AC line surges coupled into 24 V control rails. IC Role / Device Role / Timing Role: Standoff protector on isolated 24 V supply input, coordinated with MOV and fuse. Use Value: Responds in <1 ps to fast transients, limiting voltage to 360 V before secondary protection activates. |
| Lighting System Surge Suppression | Telecom Power Interface |
|
Use Scenario: Shielding LED driver ICs in streetlight controllers from induced surges on long outdoor wiring runs. IC Role / Device Role / Timing Role: Unidirectional TVS on low-side switch node and input bus. Use Value: Withstands repeated 600 W surges while maintaining <1 μA leakage at 202 V, preserving efficiency. |
Use Scenario: Front-end protection for PoE-powered network switches and base station radios. IC Role / Device Role / Timing Role: Secondary surge limiter after primary GDT/MOV stage on 48 V DC input. Use Value: Provides precise 250 V clamping threshold compatible with IEEE 802.3bt PoE++ voltage margins. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ250A | Surface-mount SMB package (vs. DO-15); same 250 V nominal, but 600 W rating at 10/1000 µs and 360 V clamping | Requires PCB rework for SMT assembly; lacks AEC-Q101 qualification | Select when board space is constrained and automotive qualification is not required |
| 1.5KE250A | Same DO-204AC package but higher 1.5 kW peak power; clamping voltage 360 V @ 4.2 A; no AEC-Q101 listing | Over-spec'd for 600 W use cases; larger thermal mass may delay response slightly | Select when legacy 1.5KE footprint compatibility is mandatory and automotive validation is unnecessary |
Compared with SMBJ250A and 1.5KE250A, the P6KE250H uniquely combines AEC-Q101 qualification, through-hole DO-15 reliability, and precise 600 W surge handling - making it optimal for automotive and industrial designs where qualification, serviceability, and controlled clamping are jointly critical.
Availability
P6KE250H is available at Aetrix Electronics and suitable for automotive ECU protection, industrial PLC power inputs, LED lighting surge resilience, and telecom DC interface applications requiring stable component supply across extended production lifecycles.
Supply support for P6KE250H 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 analog and discrete semiconductor manufacturer headquartered in Hsinchu, Taiwan, serving global automotive, industrial, and consumer markets since 1979.
The P6KE series belongs to TSC's AEC-Q101-qualified TVS portfolio, engineered specifically for robust, high-reliability overvoltage protection in harsh-environment automotive and industrial power systems.
FAQ
What is the polarity configuration of the P6KE250H?
The P6KE250H is a unidirectional TVS diode, with cathode indicated by a band on the DO-204AC (DO-15) package. It conducts only during reverse-biased overvoltage events - i.e., when the banded (cathode) end is at higher potential than the anode - making it suitable for DC rail protection where polarity is fixed. This differs from bidirectional variants like P6KE250CA.
Does the P6KE250H meet automotive qualification standards?
Yes, the "H" suffix in P6KE250H explicitly denotes AEC-Q101 qualification per the manufacturer's ordering guide. It has undergone stress testing including high-temperature reverse bias (HTRB), temperature cycling, and mechanical shock - confirming suitability for under-hood automotive applications such as body control modules and ADAS power supplies.
What is the maximum clamping voltage of the P6KE250H under surge conditions?
The P6KE250H has a maximum clamping voltage (VC) of 360 V when subjected to its rated 1.7 A peak pulse current (IPP) under the standard 10/1000 µs waveform. This value is guaranteed across temperature and lifetime, ensuring predictable protection margin for downstream components rated up to 360 V.
Can the P6KE250H be used in bidirectional signal line protection?
No - the P6KE250H is unidirectional and unsuitable for AC or bidirectional signal lines. For such applications, the P6KE250CA variant (with "CA" suffix) must be used instead, as it provides symmetrical clamping in both directions and is specified for bipolar operation per the datasheet's "Devices for Bipolar Applications" section.
What is the standoff voltage rating for the P6KE250H, and how does it relate to system design?
The P6KE250H has a maximum standoff voltage (VWM) of 202 V, meaning it remains non-conductive with leakage <1 μA up to this DC or RMS voltage. In system design, this allows safe use on 170–200 V DC rails (e.g., rectified 140 VAC inputs), providing margin below VWM while enabling rapid clamping above it - critical for avoiding false triggering in high-voltage industrial systems.
P6KE250H 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):
- 202V
- Voltage - Breakdown (Min):
- 225V
- Voltage - Clamping (Max) @ Ipp:
- 360V
- Current - Peak Pulse (10/1000µs):
- 1.7A
- Power - Peak Pulse:
- 600W
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 175°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Through Hole
- Supplier Device Package:
- DO-204AC (DO-15)
P6KE250H FAQ
1.How can I place an order for P6KE250H through Aetrix?
Please submit a Request for Quotation (RFQ) for P6KE250H 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 P6KE250H reliable?
The price and inventory of P6KE250H are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6KE250H is usually 5 days.
3.What payment methods are accepted for P6KE250H?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6KE250H transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6KE250H?
P6KE250H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6KE250H 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 P6KE250H?
For technical support, including P6KE250H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6KE250H requirements.
6.How does Aetrix verify that P6KE250H is sourced from the original manufacturer or authorized distributors?
All P6KE250H 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 P6KE250H meets industry standards.
7.What is the process for return or replacement of P6KE250H?
All P6KE250H units undergo pre-shipment inspection (PSI). If there is an issue with P6KE250H, 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 P6KE250H part is unused and in its original packaging.
Return procedure for P6KE250H:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6KE250H Tags
-
ESD9B5.0ST5G
onsemi
-
DESD3V3E1BL-7B
Diodes Incorporated
-
ESD5Z3.3T1G
onsemi
-
D5V0H1B2LP-7B
Diodes Incorporated
-
D5V0P1B2LP-7B
Diodes Incorporated
-
DESD5V0U1BA-7
Diodes Incorporated
-
ESD5Z5.0T1G
onsemi
-
DESD5V0U1BB-7
Diodes Incorporated
-
D12V0L1B2LP-7B
Diodes Incorporated
-
PESD2V0Y1BSFYL
Nexperia USA Inc.
-
DF2S5M4CT,L3F
Toshiba Semiconductor and Storage
-
D5V0L1B2WS-7
Diodes Incorporated
Tech Hub
Counterfeit components can hide behind convincing markings and passing basic function tests. This engineering reference covers source traceability, external inspection, X-ray, XRF, electrical testing, …
A practical engineering and sourcing framework covering lifecycle verification, lifetime-buy calculations, replacement qualification, supplier checks and counterfeit-risk controls.
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
