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Taiwan Semiconductor Corporation P6KE180CAH
- Part No.:
- P6KE180CAH
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-204AC, DO-15, Axial
- Datasheet:
-
P6KE180CAH.pdf
- Description:
- TVS DIODE 154VWM 246VC DO204AC
- Quantity:
- Payment:
- Shipping:
Inventory:3,815
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Product details
Overview
P6KE180CAH from Taiwan Semiconductor is a bidirectional 600W transient voltage suppressor (TVS) diode designed for high-energy surge protection in automotive and industrial power rails. It features a 180V nominal breakdown voltage (VBR min/max: 162–198V), 146V standoff voltage (VWM), clamps to ≤258V at 2.4A peak surge current, and uses DO-204AC (DO-15) package with AEC-Q101 qualification for under-hood applications.
For engineers reviewing the P6KE180CAH datasheet, P6KE180CAH pinout, P6KE180CAH application, or P6KE180CAH equivalent, key selection criteria include bidirectional clamping performance at 10/1000μs waveform, junction temperature rating up to +175°C, low dynamic impedance, and compliance with IEC 61000-4-5 Level 4 surge immunity requirements.
Technical Context
The P6KE180CAH operates as a voltage-clamped shunt protector: during transients exceeding VWM (146V), it avalanches into low-impedance conduction to divert surge current away from downstream circuitry. Its bidirectional configuration enables symmetrical clamping in AC-coupled or floating systems without polarity dependency.
It delivers 600W non-repetitive peak pulse power per 10/1000μs waveform, with fast response time (<5.0ns for bidirectional mode), typical reverse leakage <1μA at VWM, and thermal derating down to zero power at +175°C ambient - enabling robust operation in engine control units and industrial motor drives.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 146 V - Maximum continuous reverse operating voltage before clamping begins |
| VBR (min/max) | 162–198 V - Breakdown initiates within this range at 1 mA test current; defines clamping onset tolerance |
| VC @ IPPM | ≤258 V at 2.4 A - Clamped voltage under full 600W surge ensures downstream ICs see <258V stress |
| PPK | 600 W - Peak pulse power handling per 10/1000μs waveform per IEC 61000-4-5 |
| TJ max | +175 °C - Enables placement near heat sources (e.g., power converters) without derating loss |
| Package | DO-204AC (DO-15) - Industry-standard axial leaded package with UL 94V-0 molding and tin-plated leads |
| AEC-Q101 | Qualified - Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD |
Pinout & Package
DO-204AC (DO-15) axial-leaded package with cathode band marking for unidirectional variants; P6KE180CAH is bidirectional and marked with part-specific code (no polarity band). 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/Cathode (symmetrical) | Bidirectional avalanche junction | No functional polarity - either terminal serves as anode or cathode depending on transient polarity |
| Lead 1 / Lead 2 | Surge current path | Both leads conduct equally during positive or negative transients; no PCB orientation constraint |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Enables single-device protection of AC lines, differential buses, or floating DC rails without external polarity management |
| 600W 10/1000μs surge rating | Meets IEC 61000-4-5 Level 4 (4kV line-to-line, 2kV line-to-ground) without parallel staging |
| AEC-Q101 qualification | Validated for automotive powertrain and chassis modules requiring extended temperature and lifetime reliability |
| Low clamping ratio (VC/VBR ≈ 1.42) | Minimizes overvoltage margin between clamping and device breakdown - improves system-level surge margin |
| UL 94V-0 flammability rating | Ensures flame-retardant encapsulation survives sustained arcing events without propagation |
Applications
| Automotive Power Rail Protection | Industrial Motor Drive Inputs |
|---|---|
Use Scenario: Protecting 12V/24V battery-fed ECUs from load dump and alternator ripple transients. IC Role / Device Role / Timing Role: Shunt TVS placed at main power entry to clamp surges before they reach LDOs, microcontrollers, and CAN transceivers. Use Value: Withstands 600W pulses and operates up to +175°C, enabling direct mounting on engine control unit PCBs near power connectors. | Use Scenario: Safeguarding variable-frequency drive (VFD) input terminals against switching-induced transients from contactor bounce or regenerative braking. IC Role / Device Role / Timing Role: Bidirectional TVS across AC input lines to absorb both positive and negative polarity spikes from inductive kickback. Use Value: Symmetrical 180V clamping ensures equal protection on L1/L2 without polarity-sensitive layout - reduces BOM count vs. dual unidirectional devices. |
| LED Streetlight Driver Input | Telecom Power Feeds |
Use Scenario: Guarding constant-current LED drivers against lightning-induced surges on outdoor AC mains inputs. IC Role / Device Role / Timing Role: Primary-stage TVS mounted upstream of bridge rectifier to limit transient energy entering bulk capacitor and controller IC. Use Value: 258V clamping voltage ensures downstream 400V-rated electrolytics remain within safe operating area during 6kV surge events. | Use Scenario: Protecting PoE-powered equipment (e.g., IP cameras, wireless APs) from induced surges on Ethernet cable pairs. IC Role / Device Role / Timing Role: Bidirectional TVS across differential data/power pairs (e.g., pins 4–5 and 7–8) to suppress common-mode transients. Use Value: Low dynamic impedance and <5ns response ensure clamping occurs before Ethernet PHY transceivers sustain latch-up or gate oxide damage. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ180CA | Same 180V VBR, but 600W rating in SMB package (surface-mount); lower thermal resistance than DO-15 | Better suited for high-density PCBs where space is constrained; requires reflow-compatible layout | Select SMBJ180CA when board space is limited and thermal vias can be added; P6KE180CAH preferred for through-hole assembly or high-vibration environments |
| 1.5KE180CA | Same DO-204AC package and 180V rating, but 1500W peak power (10/1000μs); higher clamping voltage (≤292V) | Used where higher surge energy must be absorbed (e.g., utility meter front-end), but requires higher voltage margin downstream | Choose 1.5KE180CA only if system-level testing confirms downstream components tolerate 292V clamping; otherwise P6KE180CAH offers tighter voltage control |
Compared with SMBJ180CA and 1.5KE180CA, P6KE180CAH provides optimal balance of AEC-Q101 qualification, axial-leaded mechanical robustness, and precise 258V clamping - making it ideal for automotive and industrial through-hole designs where reliability and proven field history are prioritized over ultra-high power or miniaturization.
Availability
P6KE180CAH is available at Aetrix Electronics and suitable for automotive ECU protection, industrial motor drive inputs, LED driver surge hardening, and telecom power feed applications requiring stable component supply across long production lifecycles.
Supply support for P6KE180CAH 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 TVS diodes, rectifiers, MOSFETs, and power management devices since 1979.
The P6KE series was developed specifically for high-reliability transient suppression in automotive and industrial environments, emphasizing AEC-Q101 qualification, wide temperature operation, and consistent clamping performance across production lots.
FAQ
What does the "CA" suffix indicate in P6KE180CAH?
The "CA" suffix in P6KE180CAH denotes bidirectional configuration - meaning the device provides symmetrical clamping for both positive and negative voltage transients. This differs from "A"-suffixed unidirectional parts (e.g., P6KE180AH), which require correct polarity orientation on the PCB. The "H" suffix confirms AEC-Q101 qualification, validated for automotive under-hood use.
Is P6KE180CAH suitable for protecting CAN bus lines?
No - P6KE180CAH is not appropriate for CAN bus protection due to its 146V standoff voltage and 258V clamping level, which far exceed the ±40V operating range of ISO 11898-2 compliant transceivers. For CAN, lower-voltage TVS devices such as SMAJ12CA or D3V3F4U are required. P6KE180CAH targets primary power rail protection, not signal-level interfaces.
How does P6KE180CAH perform at elevated temperatures?
P6KE180CAH maintains full functionality up to +175°C junction temperature, with pulse power derating beginning above +25°C ambient per Figure 2 in the datasheet. At +125°C ambient, its 600W surge capability reduces to ~360W - still sufficient for most automotive transients. Its DO-204AC package allows direct thermal coupling to copper pours for enhanced heat dissipation in high-temp deployments.
Can P6KE180CAH replace P6KE180A in existing designs?
No - P6KE180CAH cannot directly replace P6KE180A because they differ fundamentally in configuration: P6KE180A is unidirectional (requires cathode-anode orientation), while P6KE180CAH is bidirectional (no polarity). Swapping them without layout revision risks improper clamping or open-circuit behavior during negative transients. Always verify schematic polarity and footprint compatibility before substitution.
What is the maximum peak surge current (IPP) rating for P6KE180CAH?
The maximum peak surge current (IPP) for P6KE180CAH is 2.4 A under the standard 10/1000μs waveform, corresponding to its 600W peak pulse power rating. This value is derived from IPP = PPK / VC, where VC is the maximum clamping voltage (258 V). Exceeding 2.4 A risks irreversible junction damage, even if duration remains within specification limits.
P6KE180CAH 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:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 154V
- Voltage - Breakdown (Min):
- 171V
- Voltage - Clamping (Max) @ Ipp:
- 246V
- Current - Peak Pulse (10/1000µs):
- 2.5A
- 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)
P6KE180CAH FAQ
1.How can I place an order for P6KE180CAH through Aetrix?
Please submit a Request for Quotation (RFQ) for P6KE180CAH 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 P6KE180CAH reliable?
The price and inventory of P6KE180CAH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6KE180CAH is usually 5 days.
3.What payment methods are accepted for P6KE180CAH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6KE180CAH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6KE180CAH?
P6KE180CAH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6KE180CAH 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 P6KE180CAH?
For technical support, including P6KE180CAH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6KE180CAH requirements.
6.How does Aetrix verify that P6KE180CAH is sourced from the original manufacturer or authorized distributors?
All P6KE180CAH 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 P6KE180CAH meets industry standards.
7.What is the process for return or replacement of P6KE180CAH?
All P6KE180CAH units undergo pre-shipment inspection (PSI). If there is an issue with P6KE180CAH, 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 P6KE180CAH part is unused and in its original packaging.
Return procedure for P6KE180CAH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6KE180CAH Tags
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