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Taiwan Semiconductor Corporation P6KE47A
- Part No.:
- P6KE47A
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-204AC, DO-15, Axial
- Datasheet:
-
P6KE47A.pdf
- Description:
- TVS DIODE 40.2VWM 64.8VC DO15
- Quantity:
- Payment:
- Shipping:
Inventory:9,262
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Product details
Overview
P6KE47A 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 47V nominal breakdown voltage (VBR = 44.7–49.4V at 1mA), 40.2V stand-off voltage (VWM), clamps to ≤64.8V at 9.7A peak surge current, and uses a DO-204AC (DO-15) axial package for industrial power supply input protection.
For engineers reviewing the P6KE47A datasheet, P6KE47A pinout, P6KE47A application, or P6KE47A equivalent, key selection criteria include its 600W 10/1000μs surge rating, low dynamic impedance, sub-1ps response time from 0V to VBR, <1μA reverse leakage above 10V, and AEC-Q101 qualification option (P6KE47AH variant).
Technical Context
The P6KE47A operates as a unidirectional avalanche diode, triggering when reverse voltage exceeds its specified VBR range (44.7–49.4V). Its clamping action limits transient energy to ≤64.8V at 9.7A, with thermal derating per Fig.2 and junction temperature rated from –55°C to +175°C.
It complies with ANSI/IEEE C62.35 for surge testing, exhibits a 0.101%/°C VBR temperature coefficient, and delivers fast transient suppression with typical response under 1.0ps - critical for protecting downstream ICs against ESD and inductive switching spikes in automotive and industrial systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 44.7V / 49.4V at 1mA - defines precise avalanche onset window for reliable trigger threshold |
| VWM | 40.2V - maximum continuous reverse operating voltage before leakage rises significantly |
| VC @ IPP | 64.8V at 9.7A - clamped voltage during 10/1000μs surge, determines protected circuit's max stress level |
| PPK | 600W - peak pulse power handling capability, sets survivability against lightning or load-dump transients |
| IR @ VWM | <1μA - ultra-low reverse leakage ensures minimal standby power loss and signal integrity |
| TJ max | +175°C - high junction temperature rating supports operation in under-hood or enclosed industrial environments |
| Package | DO-204AC (DO-15) - industry-standard axial leaded package with tin-plated leads, UL 94V-0 molding |
Pinout & Package
DO-204AC (DO-15) axial package with cathode band marking; leads are pure tin-plated, solderable per J-STD-002, and meet JESD 201 Class 2 whisker resistance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction path / low-side reference | Connected to ground or lower-potential rail in unidirectional clamp configuration |
| Cathode | Avalanche breakdown node / high-side transient sink | Connected to protected line; conducts surge current to ground when VAK > VBR |
Key Features
| Feature | Design Value |
|---|---|
| 600W 10/1000μs surge rating | Enables robust protection against IEC 61000-4-5 Level 4 surges without derating in standard PCB layouts |
| Clamping voltage ≤64.8V at 9.7A | Ensures downstream 48V-rated components (e.g., CAN transceivers, microcontrollers) remain within safe operating area |
| Response time <1.0ps (0V to VBR) | Outperforms MOVs and polymer-based protectors in ESD and fast-edge transient suppression |
| AEC-Q101 qualified variant available (P6KE47AH) | Validated for automotive powertrain and body electronics applications requiring reliability certification |
| RoHS & halogen-free (IEC 61249-2-21) | Meets global environmental compliance mandates for industrial and consumer end equipment |
Applications
| Industrial Power Supply Input Protection | Automotive Body Control Module (BCM) Power Rail |
|---|---|
Use Scenario: 48V DC input stage of programmable logic controller (PLC) power supply exposed to load dump and inductive kickback. IC Role / Device Role: Primary overvoltage clamp placed between input terminal and bulk capacitor. Use Value: Limits transient voltage to ≤64.8V, preventing damage to upstream rectifier and downstream DC-DC controller ICs rated for 75V max input. |
Use Scenario: 12V battery-supplied power rail in BCM housing microcontroller, LIN transceiver, and relay drivers. IC Role / Device Role: Unidirectional TVS on main VBAT feed to absorb ISO 7637-2 Pulse 1/2a/5a transients. Use Value: Clamps 10/1000μs surges to 64.8V while maintaining <1μA leakage-preserving sleep-mode current budget and system wake-up integrity. |
| LED Driver Output Stage Protection | Industrial Sensor Signal Line ESD Guard |
Use Scenario: Constant-current LED driver output feeding high-brightness arrays in streetlight fixtures subject to cable discharge events. IC Role / Device Role: TVS across output terminals to shunt ESD and lightning-induced common-mode surges. Use Value: Fast 1.0ps response prevents latch-up in driver MOSFETs; 600W rating sustains repeated 1kV/500Ω contact ESD per IEC 61000-4-2. |
Use Scenario: 4–20mA analog sensor loop connecting factory-floor pressure transmitter to PLC I/O module. IC Role / Device Role: Unidirectional TVS on signal line (anode to GND, cathode to signal) to suppress EFT and ESD coupling. Use Value: 40.2V VWM avoids interference with 24V loop supply; 64.8V clamping protects op-amp input stages without adding series resistance. |
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 SMAJ47A | Same DO-214AC (SMA) package; 47V VBR (44.7–49.4V), 600W rating, but 64.8V clamping at 9.7A - identical electrical performance | Surface-mount only; requires rework of PCB layout vs. through-hole DO-15 of P6KE47A | Select for space-constrained designs where SMT assembly is preferred and board real estate is limited. |
| ON Semiconductor 1.5KE47A | Higher 1500W rating, same VBR/VWM/clamp specs, but larger DO-201AD package and higher thermal mass | Used where higher single-event surge margin is required (e.g., telecom AC/DC front-end), not drop-in due to footprint mismatch | Choose when system-level surge testing exceeds 600W requirements and mechanical mounting allows larger case size. |
Compared with SMAJ47A and 1.5KE47A, the P6KE47A offers identical electrical protection parameters in a cost-optimized, through-hole DO-15 package ideal for industrial power supplies and legacy automotive modules where manual or wave-solder assembly is used.
Availability
P6KE47A is available at Aetrix Electronics and suitable for industrial power supply input protection, automotive body control module (BCM) power rail hardening, and LED driver output stage surge suppression requiring stable component supply and long-term manufacturability.
Supply support for P6KE47A 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 qualification capabilities.
The P6KE series was engineered for cost-effective, high-reliability transient protection in automotive, industrial, and lighting applications-emphasizing robust surge handling, tight parameter tolerances, and extended temperature operation.
FAQ
What is the maximum clamping voltage of the P6KE47A under a 10/1000μs surge?
The P6KE47A clamps to a maximum of 64.8V when subjected to a 10/1000μs waveform at its rated peak pulse current of 9.7A. This value is measured per ANSI/IEEE C62.35 and guarantees that downstream components see no more than 64.8V during standardized surge events - a critical parameter for ensuring compatibility with 75V-rated ICs and capacitors in the protected circuit.
Is the P6KE47A unidirectional or bidirectional, and how is polarity marked?
The P6KE47A is a unidirectional TVS diode, with polarity indicated by a cathode band on the DO-204AC (DO-15) package body. The cathode must be connected toward the protected line (e.g., VIN), and the anode to ground. Bidirectional variants use "CA" suffixes (e.g., P6KE47CA); the "A" in P6KE47A denotes tighter VBR tolerance (±5%), not polarity.
Does the P6KE47A meet automotive qualification standards?
The base P6KE47A is not AEC-Q101 qualified, but the P6KE47AH variant - identical electrically and mechanically - is fully AEC-Q101 certified for automotive applications. TSC documentation confirms this qualification applies to all P6KExH parts except P6KE6V8A through P6KE9V1A, making P6KE47AH suitable for under-hood and body electronics use.
What is the reverse leakage current specification for the P6KE47A at its stand-off voltage?
The P6KE47A exhibits a maximum reverse leakage current of 1μA when biased at its rated stand-off voltage of 40.2V (VWM). This ultra-low leakage ensures minimal power loss in always-on circuits and preserves signal integrity in high-impedance sensor interfaces - verified per test condition ID@VWM in the official TSC datasheet.
Can the P6KE47A be used in place of the older P6KE47 part?
Yes - the P6KE47A replaces P6KE47 with tighter breakdown voltage tolerance (±5% vs. ±10%) and improved consistency in VBR, VC, and leakage. All other specifications including package, surge rating, and thermal limits remain identical, allowing direct substitution without design or layout changes in existing applications.
P6KE47A Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Package/Case:
- DO-204AC, DO-15, Axial
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 40.2V
- Voltage - Breakdown (Min):
- 44.7V
- Voltage - Clamping (Max) @ Ipp:
- 64.8V
- Current - Peak Pulse (10/1000µs):
- 9.3A
- Power - Peak Pulse:
- 600W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- DO-15
P6KE47A FAQ
1.How can I place an order for P6KE47A through Aetrix?
Please submit a Request for Quotation (RFQ) for P6KE47A 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 P6KE47A reliable?
The price and inventory of P6KE47A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6KE47A is usually 5 days.
3.What payment methods are accepted for P6KE47A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6KE47A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6KE47A?
P6KE47A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6KE47A 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 P6KE47A?
For technical support, including P6KE47A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6KE47A requirements.
6.How does Aetrix verify that P6KE47A is sourced from the original manufacturer or authorized distributors?
All P6KE47A 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 P6KE47A meets industry standards.
7.What is the process for return or replacement of P6KE47A?
All P6KE47A units undergo pre-shipment inspection (PSI). If there is an issue with P6KE47A, 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 P6KE47A part is unused and in its original packaging.
Return procedure for P6KE47A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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