Taiwan Semiconductor Corporation P6KE20A A0G
- Part No.:
- P6KE20A A0G
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-204AC, DO-15, Axial
- Datasheet:
-
P6KE20A A0G.pdf
- Description:
- TVS DIODE 17.1VWM 27.7VC DO204AC
- Quantity:
- Payment:

- Shipping:

Inventory:2,616
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Product details
Overview
P6KE20A A0G 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 20V nominal breakdown voltage (19.0–21.0V at 1mA), 17.1V stand-off voltage, 27.7V clamping voltage at 22A peak surge current, and DO-204AC (DO-15) axial package - deployed in automotive body control modules, industrial sensor interfaces, and AC/DC adapter input stages.
For engineers reviewing the P6KE20A A0G datasheet, P6KE20A A0G pinout, P6KE20A A0G application, or P6KE20A A0G equivalent, key selection criteria include clamping performance under 10/1000μs surge, low leakage (<1μA at 17.1V), AEC-Q101 qualification eligibility (via H-suffix variants), thermal derating above 25°C, and compatibility with lead-free reflow and wave soldering per J-STD-002.
Technical Context
The P6KE20A A0G operates as a silicon avalanche diode with unidirectional polarity, triggered when reverse voltage exceeds its 19.0–21.0V breakdown range. Its low dynamic impedance ensures rapid clamping response (<1.0ps from 0V to VBR) and stable energy absorption during 600W 10/1000μs transients.
Thermal design relies on junction-to-ambient conduction through axial leads mounted on 5×5 mm copper pads; maximum junction temperature is rated at +175°C, with storage and operating range spanning −55°C to +175°C. It complies with UL 94V-0 flammability and IEC 61249-2-21 halogen-free requirements.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 19.0 V / 21.0 V at 1 mA test current - defines reliable turn-on threshold for overvoltage detection |
| VWM | 17.1 V - maximum continuous reverse working voltage before leakage exceeds 1 μA |
| VC @ IPP | 27.7 V at 22 A peak pulse current - clamping voltage limiting downstream circuit stress during surge |
| PPK | 600 W - non-repetitive surge power handling capability per 10/1000μs waveform |
| IR @ VWM | <1 μA - minimal standby power loss and signal integrity impact in high-impedance circuits |
| TJMAX | +175 °C - enables operation in under-hood automotive or enclosed industrial environments |
| Package | DO-204AC (DO-15) - industry-standard axial leaded package with tin-plated leads, RoHS/halogen-free compliant |
Pinout & Package
DO-204AC (DO-15) axial package with cathode band marking; two-terminal device with no internal connections beyond anode and cathode.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (unmarked end) | Forward current path / reference node | Connected to lower-potential side (e.g., ground or return rail) in unidirectional TVS configuration |
| Cathode (banded end) | Reverse-biased clamping node | Connected to protected line (e.g., 12V supply or data line); conducts avalanche current during overvoltage |
Key Features
| Feature | Design Value |
|---|---|
| 600W surge rating (10/1000μs) | Enables robust protection against ISO 7637-2 Pulse 1/2a/5a and IEC 61000-4-5 Level 3 surges without derating |
| Clamping voltage ≤27.7V at 22A | Keeps protected ICs (e.g., MCU GPIOs, CAN transceivers) below absolute maximum ratings during surge events |
| Leakage <1μA at 17.1V | Preserves battery life in always-on systems and avoids false triggering in high-impedance sensing nodes |
| AEC-Q101 qualified option (P6KE20AH) | Validated for automotive under-hood applications including engine control units and lighting drivers |
| UL 94V-0 molding compound | Meets flame-retardancy requirements for industrial power supplies and building automation equipment |
Applications
| Automotive Body Control Module (BCM) | Industrial Sensor Interface |
|---|---|
|
Use Scenario: Protects LIN bus transceivers and microcontroller I/O pins from load dump and inductive switching spikes in door module PCBs. IC Role / Device Role: Primary overvoltage clamp on 12V supply rail and bidirectional signal lines. Use Value: Limits transient voltage to ≤27.7V, preventing latch-up or gate oxide damage in 3.3V/5V logic devices. |
Use Scenario: Shields 4–20mA current loop receivers and analog front-end op-amps from EFT bursts in factory floor instrumentation. IC Role / Device Role: Input-stage TVS on sensor signal conditioning board powered by isolated 24V DC. Use Value: Maintains <1μA leakage at 17.1V, avoiding offset errors in precision current measurement circuits. |
| AC/DC Adapter Input Stage | Smart Lighting Driver |
|
Use Scenario: Suppresses line-side surges (IEC 61000-4-5) entering offline SMPS input rectifier stage. IC Role / Device Role: Secondary surge protection after MOV, placed across bulk capacitor terminals. Use Value: Clamps residual transients to 27.7V, protecting 400V-rated electrolytic capacitors and bridge rectifiers. |
Use Scenario: Guards constant-current LED driver ICs against voltage reversals and hot-plug transients in streetlight controllers. IC Role / Device Role: Unidirectional clamp on 24V auxiliary supply feeding driver logic and communication ICs. Use Value: Withstands 600W pulses without degradation, ensuring >10-year field reliability in outdoor deployments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Littelfuse SMAJ20A | Same DO-214AC (SMA) package; 20V VBR (19.0–21.1V), 28.0V VC @ 21.5A, 400W rating | Lower surge rating limits use to Class II IEC 61000-4-5; unsuitable for automotive load dump | Select when space-constrained layouts require surface-mount and 400W suffices |
| Vishay 1.5KE20A | Same DO-201AD package; 20V VBR (19.0–21.0V), 28.0V VC @ 21.5A, 1500W rating | Higher surge capacity supports harsher transients but larger footprint and higher cost | Select when legacy designs require 1.5kW surge margin or existing DO-201AD footprint reuse |
Compared with SMAJ20A and 1.5KE20A, the P6KE20A A0G delivers optimal balance of 600W surge capability, DO-15 axial form factor, and cost efficiency for mid-tier industrial and automotive electronics where space and budget constraints preclude larger packages or over-specified ratings.
Availability
P6KE20A A0G is available at Aetrix Electronics and suitable for automotive body electronics, industrial sensor interfaces, AC/DC power adapters, and smart lighting systems requiring stable component supply and long-term lifecycle support.
Supply support for P6KE20A A0G 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 targets cost-sensitive, high-reliability transient suppression in automotive, industrial, and consumer power systems - emphasizing robust surge handling, tight parameter tolerances, and compliance with UL, RoHS, and halogen-free standards.
FAQ
What is the clamping voltage of P6KE20A A0G at its rated peak surge current?
The P6KE20A A0G has a maximum clamping voltage (VC) of 27.7 V at 22 A peak pulse current (IPP) under the standard 10/1000μs waveform. This value is measured per ANSI/IEEE C62.35 and ensures protected downstream components remain within safe operating limits during surge events. The P6KE20A A0G maintains this clamping performance across its full operating temperature range.
Is P6KE20A A0G AEC-Q101 qualified?
The P6KE20A A0G itself is not AEC-Q101 qualified; however, the functionally identical P6KE20AH variant (same electrical specs, DO-204AC package) carries full AEC-Q101 certification for automotive applications. The "H" suffix denotes qualification, while "A0G" indicates ammo box packaging. For automotive designs, specify P6KE20AH to meet qualification requirements.
What is the maximum junction temperature rating for P6KE20A A0G?
The P6KE20A A0G has a maximum junction temperature (TJMAX) of +175°C, enabling reliable operation in high-temperature environments such as under-hood automotive locations or enclosed industrial enclosures. Derating curves in the datasheet define allowable power dissipation versus ambient temperature, with full 600W rating valid only at TA = 25°C.
How does P6KE20A A0G differ from P6KE20 (non-A version)?
The P6KE20A A0G features tighter breakdown voltage tolerance (19.0–21.0 V) versus P6KE20 (18.0–22.0 V), lower clamping voltage (27.7 V vs. 29.1 V), and higher surge current rating (22 A vs. 21 A). These improvements result from enhanced process control and are reflected in all electrical specifications tables. The "A" suffix denotes the improved-grade variant.
Can P6KE20A A0G be used in bidirectional configurations?
No - the P6KE20A A0G is a unidirectional TVS diode, marked with a cathode band and intended for DC rail protection with defined polarity. For bidirectional protection, select the CA-suffixed variant (e.g., P6KE20CA) or a symmetric bipolar device. Using P6KE20A A0G in reverse-biased mode beyond its specified VWM risks premature failure due to lack of reverse avalanche capability.
P6KE20A A0G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Package/Case:
- DO-204AC, DO-15, Axial
- Series:
- P6KE
- Packaging:
- Cut Tape (CT)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 17.1V
- Voltage - Breakdown (Min):
- 19V
- Voltage - Clamping (Max) @ Ipp:
- 27.7V
- Current - Peak Pulse (10/1000µs):
- 22A
- 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)
P6KE20A A0G FAQ
1.How can I place an order for P6KE20A A0G through Aetrix?
Please submit a Request for Quotation (RFQ) for P6KE20A A0G 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 P6KE20A A0G reliable?
The price and inventory of P6KE20A A0G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6KE20A A0G is usually 5 days.
3.What payment methods are accepted for P6KE20A A0G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6KE20A A0G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6KE20A A0G?
P6KE20A A0G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6KE20A A0G 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 P6KE20A A0G?
For technical support, including P6KE20A A0G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6KE20A A0G requirements.
6.How does Aetrix verify that P6KE20A A0G is sourced from the original manufacturer or authorized distributors?
All P6KE20A A0G 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 P6KE20A A0G meets industry standards.
7.What is the process for return or replacement of P6KE20A A0G?
All P6KE20A A0G units undergo pre-shipment inspection (PSI). If there is an issue with P6KE20A A0G, 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 P6KE20A A0G part is unused and in its original packaging.
Return procedure for P6KE20A A0G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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