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Taiwan Semiconductor Corporation P6KE39AH
- Part No.:
- P6KE39AH
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-204AC, DO-15, Axial
- Datasheet:
-
P6KE39AH.pdf
- Description:
- TVS DIODE 33.3VWM 53.9VC DO204AC
- Quantity:
- Payment:
- Shipping:
Inventory:3,718
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Product details
Overview
P6KE39AH from Taiwan Semiconductor is a unidirectional 600W transient voltage suppressor (TVS) diode designed for primary overvoltage protection in DC power rails and signal lines. It features a 39V nominal breakdown voltage, 33.3V stand-off voltage, 53.9V maximum clamping voltage at 11.6A peak surge current, and AEC-Q101 qualification for automotive-grade reliability.
For engineers reviewing the P6KE39AH datasheet, P6KE39AH pinout, P6KE39AH application, or P6KE39AH equivalent, this device is selected for robust ESD and lightning surge protection in automotive body electronics, industrial sensor interfaces, and LED driver input stages where fast response (<1.0ps), low leakage (<1μA @ 33.3V), and stable clamping under repetitive transients are critical.
Technical Context
The P6KE39AH operates as a silicon avalanche diode with unidirectional polarity, triggered when reverse voltage exceeds its 37.1–41.0V breakdown range at 1mA test current. Its low dynamic impedance ensures consistent clamping performance across surge events defined by the 10/1000μs waveform standard per ANSI/IEEE C62.35.
Junction temperature is rated from –55°C to +175°C, and thermal derating begins above 25°C ambient per Fig.2. The device uses a single-die DO-204AC (DO-15) package with pure tin-plated leads compliant with J-STD-002 solderability and JESD201 Class 2 whisker resistance.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Nominal Voltage | 39 V - defines the approximate DC operating voltage threshold before avalanche conduction begins |
| Stand-Off Voltage VWM | 33.3 V - maximum continuous reverse voltage the device blocks without significant leakage |
| Breakdown Voltage VBR | 37.1–41.0 V @ 1 mA - verified avalanche initiation range under standardized DC test conditions |
| Clamping Voltage VC | 53.9 V @ 11.6 A - peak voltage seen across protected circuit during 10/1000μs surge, limiting stress on downstream components |
| Peak Pulse Power | 600 W - non-repetitive surge energy handling capability per 10/1000μs waveform |
| Leakage Current ID | <1 μA @ 33.3 V - minimal standby power loss and signal integrity impact in high-impedance circuits |
| Response Time | <1.0 ps - enables suppression of ultrafast ESD events before sensitive ICs experience damage |
Pinout & Package
Package: DO-204AC (DO-15), axial leaded, epoxy-molded case with cathode band marking. Dimensions conform to JEDEC DO-15 outline; weight ≈0.400 g. Leads are pure tin plated and solderable per J-STD-002.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current path / low-side reference | Connected to ground or lower-potential rail in unidirectional clamp configuration |
| Cathode | Avalanche conduction terminal | Connected to protected line; conducts surge current to anode when reverse voltage exceeds VBR |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive underhood and chassis applications per stress test requirements including temperature cycling, HTRB, and ESD |
| 600W 10/1000μs surge rating | Withstands high-energy transients such as ISO 7637-2 pulse 1 and pulse 3b without degradation |
| Low clamping ratio (VC/VBR ≈ 1.36) | Minimizes overvoltage overshoot during clamping, reducing risk of latch-up or gate oxide rupture in protected ICs |
| RoHS & halogen-free | Complies with IEC 61249-2-21 and UL 94V-0 flammability, supporting green manufacturing and end-of-life compliance |
Applications
| Automotive Body Control Module (BCM) | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: Protecting LIN bus transceivers and microcontroller I/O pins from load dump and inductive switching spikes in door modules and lighting controllers. IC Role / Device Role: Primary front-end TVS clamp placed directly at connector entry point before ESD protection diodes and filtering. Use Value: Withstands 600W surges while maintaining 33.3V stand-off, ensuring uninterrupted operation of 5V/12V logic during battery disconnection events. | Use Scenario: Safeguarding 4–20mA current loop inputs and RS-485 transceivers in PLC analog input cards exposed to field wiring transients. IC Role / Device Role: Unidirectional surge limiter on supply rail and signal line, coordinated with series impedance and secondary TVS stages. Use Value: Clamps to 53.9V within <1.0ps, preventing damage to precision op-amps and ADC front-ends while adding negligible capacitance (<100pF). |
| LED Driver Input Stage | DC Power Supply Ingress Protection |
Use Scenario: Shielding constant-current LED drivers from voltage spikes induced by nearby relay switching or AC line coupling in streetlight and signage systems. IC Role / Device Role: First-line overvoltage protector on DC input, placed upstream of bulk capacitor and controller IC. Use Value: Absorbs 600W pulses without thermal runaway, enabling reliable operation at junction temperatures up to +175°C in enclosed luminaires. | Use Scenario: Guarding 24V/48V industrial power supplies against lightning-induced surges entering via long cable runs in factory automation cabinets. IC Role / Device Role: Standalone unidirectional TVS mounted on main input PCB trace, sized for coordination with upstream fuses and MOVs. Use Value: Provides precise 33.3V hold-off and 53.9V clamping-tighter than generic MOVs-preserving downstream regulator headroom and system uptime. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ36A | 600W rating, DO-214AA package, 36V nominal, 58.1V clamping at 10.3A | Higher clamping voltage and larger footprint; suited for board space where DO-15 lead spacing is constrained | Select SMBJ36A when surface-mount assembly is required or when higher surge margin beyond 11.6A is needed |
| 1.5KE39A | 600W rating, DO-201AD package, identical 39V nominal and 53.9V clamping, but no AEC-Q101 qualification | Lacks automotive qualification; used in commercial/industrial designs where extended temperature and reliability validation are not mandated | Choose 1.5KE39A for cost-sensitive non-automotive applications where AEC-Q101 is not required |
Compared with SMBJ36A and 1.5KE39A, the P6KE39AH delivers AEC-Q101 assurance in a through-hole DO-15 package with tighter clamping and lower leakage, making it optimal for automotive and high-reliability industrial deployments where leaded mechanical robustness and qualification traceability are mandatory.
Availability
P6KE39AH is available at Aetrix Electronics and suitable for automotive body electronics, industrial sensor interfaces, LED driver input stages, and DC power supply ingress protection requiring stable component supply and long-term lifecycle support.
Supply support for P6KE39AH 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-compliant product lines.
The P6KE series belongs to TSC's automotive-grade transient suppression portfolio, engineered specifically for robust overvoltage protection in harsh environments including engine control units, lighting systems, and chassis electronics.
FAQ
What is the key difference between P6KE39AH and P6KE39A?
The P6KE39AH is AEC-Q101 qualified and marked with "H" per TSC's ordering code convention, whereas P6KE39A lacks automotive qualification. Both share identical electrical specs-including 39V nominal voltage, 33.3V stand-off, and 53.9V clamping-but only P6KE39AH undergoes extended stress testing for temperature cycling, HTRB, and ESD per AEC-Q101. This makes P6KE39AH suitable for automotive underhood applications where P6KE39A is restricted to commercial use.
Does P6KE39AH support bidirectional transient suppression?
No, P6KE39AH is a unidirectional TVS diode, indicated by its "H" suffix and absence of "CA" or "C" designation. It protects only against reverse-polarity surges on a positive-rail system. For bidirectional protection (e.g., AC lines or differential buses), TSC offers P6KE39CA or P6KE39CH variants. Using P6KE39AH in bidirectional configurations risks forward conduction and failure during positive transients.
What is the maximum peak surge current the P6KE39AH can handle?
The P6KE39AH supports a maximum peak surge current (IPP) of 11.6 A under the standardized 10/1000μs double-exponential waveform, as specified in TSC's Electrical Specifications table. This value corresponds directly to its 600W peak pulse power rating at 39V-class clamping. Derating applies above 25°C ambient per Fig.2 in the datasheet, reducing usable surge capacity linearly to zero at +175°C junction temperature.
Is P6KE39AH compatible with lead-free reflow soldering processes?
Yes, P6KE39AH uses pure tin-plated leads compliant with J-STD-002 for solderability, and its DO-204AC (DO-15) package is rated for lead-free reflow profiles up to 260°C peak temperature. The epoxy molding compound meets UL 94V-0 flammability and RoHS/halogen-free requirements per IEC 61249-2-21, confirming full compatibility with modern Pb-free assembly lines.
How does the temperature coefficient affect P6KE39AH's breakdown voltage stability?
The P6KE39AH has a maximum temperature coefficient of VBR of 0.100 %/°C, meaning its breakdown voltage increases by up to 0.039 V per °C rise in junction temperature. Over its full –55°C to +175°C operating range, this results in a total VBR shift of approximately ±2.2 V around the 39V nominal value. Designers must account for this drift when setting safety margins for clamping in high-temperature environments like engine compartments.
P6KE39AH 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):
- 33.3V
- Voltage - Breakdown (Min):
- 37.1V
- Voltage - Clamping (Max) @ Ipp:
- 53.9V
- Current - Peak Pulse (10/1000µs):
- 11.6A
- 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)
P6KE39AH FAQ
1.How can I place an order for P6KE39AH through Aetrix?
Please submit a Request for Quotation (RFQ) for P6KE39AH 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 P6KE39AH reliable?
The price and inventory of P6KE39AH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6KE39AH is usually 5 days.
3.What payment methods are accepted for P6KE39AH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6KE39AH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6KE39AH?
P6KE39AH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6KE39AH 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 P6KE39AH?
For technical support, including P6KE39AH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6KE39AH requirements.
6.How does Aetrix verify that P6KE39AH is sourced from the original manufacturer or authorized distributors?
All P6KE39AH 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 P6KE39AH meets industry standards.
7.What is the process for return or replacement of P6KE39AH?
All P6KE39AH units undergo pre-shipment inspection (PSI). If there is an issue with P6KE39AH, 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 P6KE39AH part is unused and in its original packaging.
Return procedure for P6KE39AH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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