Taiwan Semiconductor Corporation P6KE13CAH
- Part No.:
- P6KE13CAH
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-204AC, DO-15, Axial
- Datasheet:
-
P6KE13CAH.pdf
- Description:
- TVS DIODE 11.1VWM 18.2VC DO204AC
- Quantity:
- Payment:

- Shipping:

Inventory:5,187
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Product details
Overview
P6KE13CAH from Taiwan Semiconductor is a bidirectional 600W transient voltage suppressor (TVS) diode designed for robust ESD and surge protection in automotive-grade power and signal lines. It features a nominal breakdown voltage of 13V, clamps transients to ≤19.0V at 33A peak surge current, and operates with ≤1μA reverse leakage above 10.5V standoff voltage - deployed in CAN bus interfaces, automotive lighting control modules, and battery management system input stages.
For engineers reviewing the P6KE13CAH datasheet, P6KE13CAH pinout, P6KE13CAH application, or P6KE13CAH equivalent, key selection criteria include its AEC-Q101 qualification, DO-15 package compatibility, bidirectional clamping symmetry, 10/1000μs 600W surge rating, and temperature coefficient of VBR (0.081%/°C) critical for thermal stability in under-hood environments.
Technical Context
The P6KE13CAH implements a silicon avalanche diode structure optimized for fast transient response (<5.0ns rise time from 0V to VBR in bidirectional mode) and low dynamic impedance. Its unidirectional/bidirectional dual-mode capability is enabled by symmetrical junction design, with clamping performance validated per ANSI/IEEE C62.35 standards using 10/1000μs waveform testing.
Thermal derating follows a linear curve down to zero power at 175°C junction temperature, supported by UL 94V-0 molded compound and pure tin-plated leads compliant with J-STD-002 solderability. The device sustains 100A non-repetitive forward surge (8.3ms half-sine) only in unidirectional variants - not applicable to P6KE13CAH due to its CA (bidirectional) suffix.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Peak Pulse Power | 600W at 10/1000μs waveform - defines maximum transient energy absorption without failure |
| Breakdown Voltage VBR | 11.7–14.3V @ IT = 1mA - ensures reliable avalanche initiation within tight tolerance band |
| Standoff Voltage VWM | 10.5V - maximum continuous reverse voltage before significant leakage begins |
| Clamping Voltage VC | ≤19.0V @ IPP = 33A - limits protected circuit voltage during worst-case surge |
| Reverse Leakage ID | ≤1μA @ VWM - guarantees minimal standby power loss and signal integrity in high-impedance nodes |
| Junction Temperature Range | −55°C to +175°C - supports operation in automotive engine compartments and industrial enclosures |
| Temperature Coefficient of VBR | 0.081%/°C - enables predictable voltage drift across operating temperature range |
Pinout & Package
Package: DO-204AC (DO-15), axial leaded, epoxy-molded case with cathode band marking for polarity identification. Meets UL 94V-0 flammability rating and JESD201 Class 2 whisker resistance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (Lead 1) | Current entry point in forward bias; common terminal in bidirectional conduction | Shared terminal enabling symmetrical clamping in both directions - no dedicated anode/cathode polarity required |
| Cathode (Lead 2) | Current exit point in forward bias; marked with band on body | Physical marking aligns with standard DO-15 polarity convention but functionally interchangeable with Anode for bidirectional operation |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive applications including powertrain, chassis, and body electronics per stress test requirements |
| Bidirectional clamping symmetry | Identical VBR min/max (11.7–14.3V) and VC (≤19.0V) in both directions - eliminates need for orientation-aware PCB layout |
| Fast transient response | ≤5.0ns response time from 0V to VBR - captures nanosecond-scale EFT bursts before downstream IC damage |
| Low dynamic impedance | Enables stable clamping under high di/dt conditions - critical for protecting CAN/LIN transceivers and microcontroller I/O |
| RoHS & halogen-free compliance | Meets IEC 61249-2-21 and EU RoHS directives - supports green manufacturing and end-of-life recycling requirements |
Applications
| Automotive Lighting Control | CAN Bus Interface Protection |
|---|---|
Use Scenario: Protecting LED driver ICs and MOSFET switches from load dump and inductive kickback in headlamp modules. IC Role / Device Role: Primary overvoltage clamp placed across power rail inputs upstream of DC-DC converters. Use Value: Limits transient excursions to ≤19.0V, preventing latch-up or gate oxide rupture in 12V-rated logic and power devices. |
Use Scenario: Safeguarding CAN transceivers (e.g., TJA1042, SN65HVD230) against ESD and coupled surges on differential bus lines. IC Role / Device Role: Bidirectional shunt element connected between CAN_H/CAN_L and ground. Use Value: Maintains signal integrity by clamping common-mode transients while preserving <10.5V differential margin for valid recessive state detection. |
| Body Control Module Inputs | Battery Management System (BMS) Sensing Lines |
Use Scenario: Shielding microcontroller GPIOs and analog sensor inputs (e.g., door lock switches, rain sensors) from cable discharge events. IC Role / Device Role: Point-of-entry protection on external harness connectors before signal conditioning circuitry. Use Value: Delivers <1μA leakage at 10.5V, avoiding measurement error in high-impedance voltage dividers and RC filters. |
Use Scenario: Protecting precision voltage/current sense amplifiers and ADC inputs from battery terminal transients during jump-start or alternator load dump. IC Role / Device Role: Low-capacitance TVS placed directly at BMS analog front-end inputs. Use Value: Clamps 33A surges to ≤19.0V without degrading 16-bit ADC resolution via minimal junction capacitance (<100pF at VR=0). |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Littelfuse SMAJ13CA | Same DO-214AC (SMA) package; 600W rating; VBR = 14.4–15.9V; higher clamping voltage (21.5V @ 28.5A) | Higher VC reduces margin for 12V-rail ICs; SMA package requires different footprint and thermal relief | Select when board space allows SMA footprint and system tolerates 2.5V higher clamping. |
| Vishay 1.5KE13CA | Same DO-204AC (DO-15) package; 1500W rating; VBR = 12.4–14.1V; lower TC (0.075%/°C); higher IPP (60A) | Over-spec'd power handling increases cost and may reduce ESD robustness due to larger junction area | Choose for legacy designs requiring backward-compatible DO-15 footprint with enhanced surge margin. |
Compared with SMAJ13CA and 1.5KE13CA, P6KE13CAH offers tighter VBR tolerance (±10% vs ±11%), AEC-Q101 qualification out-of-box, and optimal clamping voltage for 12V automotive systems - making it preferred for new automotive ECUs where qualification, footprint, and voltage margin are jointly constrained.
Availability
P6KE13CAH is available at Aetrix Electronics and suitable for automotive lighting control, CAN bus interface protection, and body control module inputs requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for P6KE13CAH 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 automotive-qualified components since 1979.
The P6KE series was developed specifically for AEC-Q101-compliant transient protection in 12V/24V automotive subsystems - emphasizing reliability, tight parametric control, and seamless integration into harness-level and PCB-level surge mitigation schemes.
FAQ
What does the "CA" suffix indicate in P6KE13CAH?
The "CA" suffix in P6KE13CAH denotes a bidirectional configuration, meaning the device provides symmetrical clamping in both polarities - essential for protecting differential buses like CAN or LIN where voltage transients can swing positive or negative relative to ground. This differs from "A"-suffixed unidirectional parts such as P6KE13A, which require correct anode-cathode orientation.
Is P6KE13CAH suitable for protecting a 12V automotive microcontroller I/O line?
Yes, P6KE13CAH is well-suited for 12V microcontroller I/O protection: its 10.5V standoff voltage avoids false triggering during normal operation, while its ≤19.0V clamping voltage stays safely below typical 20V absolute maximum ratings of automotive MCUs. Its ≤1μA leakage at VWM also prevents loading of high-impedance GPIO pull-ups or sensor interfaces.
How does the AEC-Q101 qualification of P6KE13CAH impact its use in automotive designs?
The AEC-Q101 qualification of P6KE13CAH confirms it has passed accelerated stress tests including temperature cycling, humidity bias HAST, and mechanical shock - validating reliability for under-hood and cabin applications. Unlike standard industrial TVS diodes, P6KE13CAH provides documented failure rate data and lot traceability required for Tier 1 automotive BOM approval processes.
What is the maximum peak surge current P6KE13CAH can handle, and at what test condition?
P6KE13CAH handles a maximum peak surge current of 33A under the standardized 10/1000μs double-exponential waveform, as defined in ANSI/IEEE C62.35. This rating is measured at 25°C ambient and derates linearly above that temperature - delivering ~22A at 100°C ambient per the published pulse derating curve in the datasheet.
Does P6KE13CAH have polarity markings, and how should it be oriented on the PCB?
Yes, P6KE13CAH features a cathode band marking on the DO-15 body, consistent with industry-standard polarity identification. However, because it is bidirectional (CA), the marking does not affect electrical function - either lead may connect to the protected node or ground. The band serves only as a mechanical reference for consistent placement and visual inspection during assembly.
P6KE13CAH 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):
- 11.1V
- Voltage - Breakdown (Min):
- 12.4V
- Voltage - Clamping (Max) @ Ipp:
- 18.2V
- Current - Peak Pulse (10/1000µs):
- 34A
- 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)
P6KE13CAH FAQ
1.How can I place an order for P6KE13CAH through Aetrix?
Please submit a Request for Quotation (RFQ) for P6KE13CAH 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 P6KE13CAH reliable?
The price and inventory of P6KE13CAH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6KE13CAH is usually 5 days.
3.What payment methods are accepted for P6KE13CAH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6KE13CAH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6KE13CAH?
P6KE13CAH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6KE13CAH 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 P6KE13CAH?
For technical support, including P6KE13CAH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6KE13CAH requirements.
6.How does Aetrix verify that P6KE13CAH is sourced from the original manufacturer or authorized distributors?
All P6KE13CAH 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 P6KE13CAH meets industry standards.
7.What is the process for return or replacement of P6KE13CAH?
All P6KE13CAH units undergo pre-shipment inspection (PSI). If there is an issue with P6KE13CAH, 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 P6KE13CAH part is unused and in its original packaging.
Return procedure for P6KE13CAH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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