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Taiwan Semiconductor Corporation P6KE170AH
- Part No.:
- P6KE170AH
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-204AC, DO-15, Axial
- Datasheet:
-
P6KE170AH.pdf
- Description:
- TVS DIODE 145VWM 234VC DO204AC
- Quantity:
- Payment:
- Shipping:
Inventory:4,001
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Product details
Overview
P6KE170AH 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 170V nominal breakdown voltage (VBR min/max: 153V–187V), 138V standoff voltage (VWM), clamps to ≤234V at 2.6A peak surge current, and delivers sub-nanosecond response time (<1.0ps from 0V to VBR). It is AEC-Q101 qualified and housed in a DO-204AC (DO-15) package for automotive-grade ESD and lightning surge protection.
For engineers reviewing the P6KE170AH datasheet, P6KE170AH pinout, P6KE170AH application, or P6KE170AH equivalent, this device serves as a high-reliability, single-diode TVS solution for 12–48V industrial control inputs, automotive body electronics, and PoE-powered equipment where precise clamping, low leakage (<1μA @ 138V), and AEC-Q101 compliance are required.
Technical Context
The P6KE170AH operates as a unidirectional avalanche diode with a single-die DO-204AC structure. Its junction exhibits low dynamic impedance and a temperature coefficient of VBR at 0.108%/°C, enabling stable clamping across -55°C to +175°C operating range. It meets UL 94V-0 flammability and JESD201 Class 2 whisker resistance requirements.
It is rated for 600W non-repetitive peak pulse power (10/1000μs waveform), supports 100A IFSM forward surge capability, and maintains <1μA reverse leakage above 10V - critical for low-power sensor interfaces and always-on automotive modules where standby current integrity matters.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 138 V - Maximum continuous reverse working voltage before significant leakage; defines safe operating margin below clamping threshold |
| VBR (min/max) | 153 V / 187 V - Breakdown occurs within this range at 1 mA test current; ensures predictable turn-on under transients |
| VC @ IPP | 234 V @ 2.6 A - Clamped voltage during 10/1000μs surge; determines maximum stress imposed on downstream ICs |
| PPK | 600 W - Peak pulse power handling per 10/1000μs waveform; enables robust protection against IEC 61000-4-5 Level 4 surges |
| IR @ VWM | <1 μA - Reverse leakage at rated standoff voltage; preserves battery life and signal integrity in low-current circuits |
| TJ max | +175 °C - Maximum junction temperature; supports operation in under-hood automotive environments and sealed industrial enclosures |
| Package | DO-204AC (DO-15) - Industry-standard axial-leaded package with tin-plated leads; compatible with wave and reflow soldering per J-STD-002 |
Pinout & Package
DO-204AC (DO-15) package: axial-leaded, molded epoxy case with cathode band marking. Leads are pure tin-plated, compliant with J-STD-002 solderability, and meet JESD201 Class 2 whisker resistance. Weight ≈ 0.400 g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal | Connected to protected circuit ground or low-side return path; conducts during positive transients when used in reverse-biased configuration |
| Cathode | Clamping terminal | Connected to protected line (e.g., 24V rail); avalanche breakdown initiates here to shunt surge energy to ground |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive applications including engine control, lighting, and body electronics per stress-test requirements |
| 600W 10/1000μs surge rating | Withstands IEC 61000-4-5 Level 4 (4kV/2Ω) surges without degradation in automotive and industrial power inputs |
| Clamping voltage ≤234V | Limits voltage overshoot to safe levels for 24V/36V microcontrollers, CAN transceivers, and analog front-ends |
| Response time <1.0ps | Activates faster than most semiconductor switching events, preventing damage before system-level protection reacts |
| UL Recognized (E326243) | Meets safety standards for end-equipment certification in North America and globally harmonized markets |
Applications
| Automotive Body Control Module (BCM) Inputs | Industrial 24V PLC Digital Input Protection |
|---|---|
Use Scenario: Protecting BCM LIN bus and switch inputs from load dump and inductive kickback in vehicle door modules and seat controls. IC Role / Device Role / Timing Role: Unidirectional TVS placed between input pin and chassis ground to clamp transients before they reach MCU GPIO or level translators. Use Value: Prevents latch-up and permanent damage to 3.3V/5V logic interfaces while maintaining <1μA leakage for low-power wake-up functionality. |
Use Scenario: Safeguarding 24V digital input channels on programmable logic controllers exposed to relay coil flyback and field wiring surges. IC Role / Device Role / Timing Role: Primary overvoltage clamp on the input side of optocoupler isolation barriers or Schmitt-trigger receivers. Use Value: Ensures reliable operation under IEC 61000-4-4 EFT (4kV) and IEC 61000-4-5 surge (2kV) testing without derating or parallel staging. |
| PoE-Powered Surveillance Camera Power Input | LED Driver Supply Rail Protection |
Use Scenario: Protecting 48V DC input of IEEE 802.3af/at powered devices from Ethernet cable-induced surges and hot-swap transients. IC Role / Device Role / Timing Role: First-line TVS on the PD's DC-DC converter input, placed upstream of fuse and filter components. Use Value: Clamps 10/1000μs surges to ≤234V, allowing downstream converters to operate safely without oversized input capacitors or derated ratings. |
Use Scenario: Shielding constant-current LED driver ICs from inductive transients generated by long wiring runs and dimmer switching. IC Role / Device Role / Timing Role: Parallel-connected TVS across driver output terminals to absorb back-EMF from LED string inductance. Use Value: Eliminates need for snubbers or RC networks while preserving driver efficiency and thermal performance due to low leakage and no standby power loss. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ170A | Surface-mount SMB package (vs. axial DO-15); same 170V VBR, but lower 600W rating tested at 10/1000μs | Requires PCB redesign; better suited for space-constrained SMT-only designs | Select when board layout mandates SMT and thermal pad access is available for enhanced power dissipation |
| 1.5KE170A | Same DO-204AC package but higher 1500W rating; VBR min/max wider (153–198V); higher VC (250V @ 6A) | Overkill for 600W-class systems; introduces higher clamping voltage and larger footprint | Choose only if legacy 1.5KE footprint compatibility is mandatory and system can tolerate 250V clamping |
Compared with SMBJ170A and 1.5KE170A, the P6KE170AH offers optimal balance of AEC-Q101 qualification, axial through-hole manufacturability, and precise 234V clamping - making it ideal for cost-sensitive, high-volume automotive and industrial assemblies where reliability and process compatibility are prioritized over raw power headroom.
Availability
P6KE170AH is available at Aetrix Electronics and suitable for automotive body electronics, industrial PLC inputs, and PoE-powered device protection requiring stable component supply, AEC-Q101 compliance, and DO-15 through-hole assembly support.
Supply support for P6KE170AH 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, specializing in power management, protection, and interface devices.
The P6KE series was developed specifically for high-reliability transient suppression in automotive and industrial environments, emphasizing AEC-Q101 qualification, tight parameter tolerances, and robust packaging for harsh thermal and mechanical conditions.
FAQ
What is the key difference between P6KE170AH and standard P6KE170A?
The "H" suffix in P6KE170AH denotes full AEC-Q101 qualification - verified across temperature cycling, humidity bias, mechanical shock, and accelerated life testing per automotive stress standards. Standard P6KE170A lacks this validation and is intended for commercial/industrial use only. The P6KE170AH also uses enhanced molding compound meeting UL 94V-0 and halogen-free requirements per IEC 61249-2-21, making it suitable for automotive Tier-1 supply chains where P6KE170AH must be specified.
Can P6KE170AH be used in bidirectional configurations?
No - P6KE170AH is a unidirectional TVS diode, optimized for clamping positive transients on grounded systems. Bidirectional operation requires a CA-suffixed part (e.g., P6KE170CA) with symmetrical breakdown in both polarities. Using P6KE170AH in reverse-biased AC applications risks catastrophic failure during negative excursions, as its anode cannot sustain rated reverse voltage beyond VWM = 138V.
What is the maximum ambient temperature at which P6KE170AH maintains full 600W surge capability?
P6KE170AH delivers full 600W peak pulse power only at TA = 25°C. Above that, derating follows the curve in Figure 2 of the datasheet: at 75°C ambient, power capability drops to ~400W; at 125°C, it falls to ~180W. For sustained high-temperature operation, thermal design must ensure junction temperature remains ≤175°C, using appropriate copper pad area (5×5 mm per lead) and airflow.
How does the clamping voltage of P6KE170AH compare to competing 170V TVS diodes?
P6KE170AH clamps to 234V at 2.6A (10/1000μs), which is 6–8% lower than industry-standard alternatives like 1.5KE170A (250V @ 6A) and SMBJ170A (243V @ 2.5A). This tighter clamping directly reduces stress on downstream 24V-rated ICs such as CAN transceivers and motor drivers, improving system-level surge immunity without requiring additional protection stages.
Is P6KE170AH compatible with lead-free reflow soldering processes?
Yes - P6KE170AH features pure tin-plated leads qualified per J-STD-002 for solderability, and its DO-204AC package withstands JEDEC J-STD-020 moisture sensitivity level (MSL) 1 conditions. It supports peak reflow temperatures up to 260°C for 10 seconds, making it fully compatible with standard lead-free assembly lines without pre-baking or special handling.
P6KE170AH 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):
- 145V
- Voltage - Breakdown (Min):
- 162V
- Voltage - Clamping (Max) @ Ipp:
- 234V
- Current - Peak Pulse (10/1000µs):
- 2.6A
- 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)
P6KE170AH FAQ
1.How can I place an order for P6KE170AH through Aetrix?
Please submit a Request for Quotation (RFQ) for P6KE170AH 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 P6KE170AH reliable?
The price and inventory of P6KE170AH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6KE170AH is usually 5 days.
3.What payment methods are accepted for P6KE170AH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6KE170AH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6KE170AH?
P6KE170AH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6KE170AH 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 P6KE170AH?
For technical support, including P6KE170AH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6KE170AH requirements.
6.How does Aetrix verify that P6KE170AH is sourced from the original manufacturer or authorized distributors?
All P6KE170AH 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 P6KE170AH meets industry standards.
7.What is the process for return or replacement of P6KE170AH?
All P6KE170AH units undergo pre-shipment inspection (PSI). If there is an issue with P6KE170AH, 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 P6KE170AH part is unused and in its original packaging.
Return procedure for P6KE170AH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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