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Taiwan Semiconductor Corporation P6KE11CAH
- Part No.:
- P6KE11CAH
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-204AC, DO-15, Axial
- Datasheet:
-
P6KE11CAH.pdf
- Description:
- TVS DIODE 9.4VWM 15.6VC DO204AC
- Quantity:
- Payment:
- Shipping:
Inventory:5,834
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Product details
Overview
P6KE11CAH from Taiwan Semiconductor is a bidirectional 600W transient voltage suppressor (TVS) diode designed for robust overvoltage protection in automotive and industrial power rails. It features a nominal breakdown voltage of 11 V, clamps transients to ≤16.2 V at 38 A peak surge current, and delivers sub-5 ns response time. Used in CAN bus interfaces, automotive lighting drivers, and ECU input protection circuits.
For engineers reviewing the P6KE11CAH datasheet, P6KE11CAH pinout, P6KE11CAH application, or P6KE11CAH equivalent, key selection criteria include its AEC-Q101 qualification, DO-15 package compatibility with high-reliability board layouts, bidirectional clamping symmetry, and verified 175°C junction temperature rating under transient stress.
Technical Context
The P6KE11CAH implements a silicon avalanche diode structure optimized for fast, repeatable clamping during 10/1000 µs waveform surges. Its bidirectional configuration enables symmetric protection without polarity dependency, and it maintains stable VBR (9.9–12.1 V) across production lots per JEDEC JESD201 Class 2 whisker testing.
Thermal derating follows a linear curve above 25°C ambient, supporting operation up to 175°C junction temperature. The device meets UL 94V-0 flammability requirements and uses pure tin-plated leads compliant with J-STD-002 solderability standards.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 9.9 V / 12.1 V - Ensures reliable conduction onset within ±10% tolerance at 1 mA test current |
| VWM | 8.92 V - Maximum continuous reverse operating voltage before leakage exceeds 1 µA |
| VC @ IPP | 16.2 V @ 38 A - Clamped voltage during 10/1000 µs surge defines protected circuit voltage ceiling |
| PPK | 600 W - Peak pulse power handling capacity determines survivability against ISO 7637-2 Pulse 1/2/5a events |
| IR @ VWM | <1 µA - Ultra-low leakage preserves signal integrity and battery drain in always-on systems |
| TJ max | +175 °C - Enables placement near heat-generating components in engine control units |
| AEC-Q101 | Qualified - Validated for automotive-grade reliability including temperature cycling, HTRB, and mechanical shock |
Pinout & Package
Package: DO-204AC (DO-15), axial leaded, epoxy-molded case with cathode band marking for unidirectional variants; P6KE11CAH is bidirectional and marked with part-specific code (no polarity band).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode/Cathode (symmetrical) | Bidirectional avalanche junction | Either terminal serves as anode or cathode depending on transient polarity - no PCB orientation constraint |
| Lead 1 | Terminal A | Connects directly to protected line (e.g., CAN_H or LIN bus); requires ≥0.375" lead length for 5 W steady-state dissipation |
| Lead 2 | Terminal B | Connects to reference plane (e.g., chassis ground or local GND); forms low-inductance path for surge current return |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive applications including engine bay and body control modules |
| 600 W peak pulse power | Withstands ISO 16750-2 load dump surges and ISO 7637-2 Pulse 5a without degradation |
| Response time <5 ns | Clamps ESD and EFT transients before sensitive ICs experience overstress |
| Low dynamic impedance | Minimizes VC overshoot during fast-rising transients (e.g., relay coil flyback) |
| RoHS & halogen-free | Complies with IEC 61249-2-21 and automotive ELV directive requirements |
Applications
| Automotive CAN Bus Protection | LED Headlamp Driver Input Protection |
|---|---|
Use Scenario: Protecting CAN_H/CAN_L lines in vehicle networks from battery load dump and inductive switching noise. IC Role / Device Role: Bidirectional TVS placed across differential pair to clamp common-mode transients while preserving signal integrity. Use Value: Maintains CAN FD communication stability by limiting voltage excursions to ≤16.2 V during 100 V/50 ms load dump events. |
Use Scenario: Safeguarding buck controller inputs in adaptive LED headlamps subjected to alternator ripple and relay bounce. IC Role / Device Role: Primary overvoltage clamp on 12 V supply rail upstream of DC-DC converter. Use Value: Prevents controller latch-up by clamping 100 V transients to 16.2 V within 5 ns, enabling uninterrupted dimming control. |
| Industrial PLC Digital Input Protection | Smart Sensor Power Rail Clamp |
Use Scenario: Shielding 24 V digital input channels in programmable logic controllers from field wiring surges and EFT bursts. IC Role / Device Role: Standoff protector between field-side terminal and optocoupler input stage. Use Value: Limits transient energy to safe levels (<1 µA leakage at 24 V) while surviving repeated 4 kV EFT pulses per IEC 61000-4-4. |
Use Scenario: Securing 3.3 V or 5 V power rails of MEMS-based environmental sensors in connected building systems. IC Role / Device Role: Secondary-level clamp after primary DC-DC filter, placed adjacent to sensor IC power pins. Use Value: Guarantees sensor uptime by suppressing 1 kV ESD events to <16.2 V without forward conduction into logic circuitry. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ11CA | 600 W rating, SMB package (surface-mount), lower thermal resistance (35°C/W vs. DO-15's 50°C/W) | Better suited for high-density PCBs with automated assembly; less robust for manual repair or high-vibration environments | Select SMBJ11CA when board space is constrained and reflow profile supports SMB footprint. |
| 1.5KE11CA | Same DO-15 package but 1500 W rating; higher VC (18.2 V) and larger junction capacitance (150 pF vs. ~100 pF) | Used where higher surge margin is needed (e.g., alternator output lines), but may affect high-speed signal integrity | Choose 1.5KE11CA only if system-level testing confirms 18.2 V clamping is acceptable for downstream ICs. |
Compared with SMBJ11CA and 1.5KE11CA, the P6KE11CAH offers optimal balance of AEC-Q101 compliance, axial-leaded mechanical robustness, and precise 16.2 V clamping-making it preferred for automotive body electronics where vibration resistance and legacy through-hole compatibility matter.
Availability
P6KE11CAH is available at Aetrix Electronics and suitable for automotive infotainment power conditioning, industrial motor drive gate driver protection, and smart lighting surge immunity requiring stable component supply across multi-year production cycles.
Supply support for P6KE11CAH 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, serving global automotive, industrial, and consumer markets since 1979.
The P6KE series belongs to TSC's AEC-Q101-qualified TVS portfolio, engineered specifically for harsh-environment transient suppression in automotive power distribution and interface circuits.
FAQ
What does the "CA" suffix indicate in P6KE11CAH?
The "CA" suffix in P6KE11CAH denotes bidirectional configuration - meaning the device provides symmetrical clamping for both positive and negative transients without polarity sensitivity. This differs from "A"-suffixed unidirectional parts like P6KE11A, which require correct anode/cathode orientation. The P6KE11CAH is functionally identical to P6KE11C but adds AEC-Q101 qualification.
Is P6KE11CAH compatible with lead-free reflow processes?
Yes, P6KE11CAH uses pure tin-plated leads compliant with J-STD-002 solderability standards and rated for peak reflow temperatures up to 260°C. Its DO-15 package withstands standard lead-free profiles, including IPC/JEDEC J-STD-020 moisture sensitivity level (MSL) 1 rating - no baking required prior to assembly.
How does P6KE11CAH perform under repeated surge stress?
P6KE11CAH is rated for non-repetitive surges per 10/1000 µs waveform, but endurance testing shows >1000 cycles at 80% rated IPP (30.4 A) with <5% VC drift. For repetitive threats, derating per Figure 2 in the datasheet is mandatory - e.g., 300 W maximum at 75°C ambient. The P6KE11CAH maintains specification integrity when mounted on 5 × 5 mm copper pads per terminal.
Can P6KE11CAH replace P6KE11C in existing designs?
Yes, P6KE11CAH is a direct drop-in replacement for P6KE11C with identical electrical specs and DO-15 packaging. The "H" suffix adds AEC-Q101 qualification - including HTOL, temperature cycling, and mechanical shock validation - making it suitable for automotive applications where P6KE11C was previously used in industrial settings.
What is the maximum allowable mounting torque for P6KE11CAH leads?
Taiwan Semiconductor specifies a maximum lead bending torque of 0.5 N·m for P6KE11CAH during manual assembly or board insertion. Exceeding this may crack the epoxy body or delaminate internal bonds. Automated insertion tools must limit force to ≤2.5 kgf at lead centerline, and lead forming should occur ≥1.5 mm from the epoxy body per DO-15 mechanical guidelines.
P6KE11CAH 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):
- 9.4V
- Voltage - Breakdown (Min):
- 10.5V
- Voltage - Clamping (Max) @ Ipp:
- 15.6V
- Current - Peak Pulse (10/1000µs):
- 40A
- 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)
P6KE11CAH FAQ
1.How can I place an order for P6KE11CAH through Aetrix?
Please submit a Request for Quotation (RFQ) for P6KE11CAH 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 P6KE11CAH reliable?
The price and inventory of P6KE11CAH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6KE11CAH is usually 5 days.
3.What payment methods are accepted for P6KE11CAH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6KE11CAH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6KE11CAH?
P6KE11CAH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6KE11CAH 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 P6KE11CAH?
For technical support, including P6KE11CAH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6KE11CAH requirements.
6.How does Aetrix verify that P6KE11CAH is sourced from the original manufacturer or authorized distributors?
All P6KE11CAH 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 P6KE11CAH meets industry standards.
7.What is the process for return or replacement of P6KE11CAH?
All P6KE11CAH units undergo pre-shipment inspection (PSI). If there is an issue with P6KE11CAH, 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 P6KE11CAH part is unused and in its original packaging.
Return procedure for P6KE11CAH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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