Vishay General Semiconductor - Diodes Division P6KE12CAHE3/54
- Part No.:
- P6KE12CAHE3/54
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-204AC, DO-15, Axial
- Datasheet:
-
P6KE12CAHE3/54.pdf
- Description:
- TVS DIODE 10.2VWM 16.7VC DO204AC
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
P6KE12CAHE3/54 from Vishay General Semiconductor is a bidirectional Transient Voltage Suppressor (TVS) diode in DO-15 package, designed for clamping voltage transients on signal or power lines. It features 600 W peak pulse power (10/1000 μs), 12 V nominal breakdown voltage (VBR = 11.4–12.6 V at 1.0 mA), 16.7 V maximum clamping voltage at 35.9 A, and AEC-Q101 qualification for automotive-grade reliability.
For engineers reviewing the P6KE12CAHE3/54 datasheet, P6KE12CAHE3/54 pinout, P6KE12CAHE3/54 application, or P6KE12CAHE3/54 equivalent, this device is selected for robust overvoltage protection in automotive sensor interfaces, industrial I/O modules, and telecom line drivers where bidirectional surge immunity and low clamping ratio are critical.
Technical Context
The P6KE12CAHE3/54 operates as a silicon avalanche diode with glass-passivated junction, enabling sub-nanosecond response to ESD and lightning-induced transients. Its bidirectional structure provides symmetrical clamping in both polarities without polarity marking, and its 10/1000 μs waveform rating reflects standardized surge immunity testing per IEC 61000-4-5.
Thermal design is supported by RθJL = 20 °C/W (junction-to-lead) and TJ(max) = 175 °C, allowing reliable operation under repetitive surges when mounted on PCB copper with adequate thermal relief. The device exhibits a temperature coefficient of +0.078 %/°C for VBR, ensuring predictable voltage drift across automotive temperature ranges.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 11.4 V / 12.6 V at 1.0 mA - defines precise clamping onset threshold for bidirectional transient suppression |
| VWM | 10.2 V - maximum continuous reverse working voltage before leakage exceeds 5.0 μA |
| VC @ IPPM | 16.7 V at 35.9 A - clamped voltage during 600 W surge, yielding 1.64× VWM clamping ratio |
| PPPM | 600 W - peak pulse power handling with 10/1000 μs waveform, 0.01 % duty cycle |
| IPPM | 35.9 A - maximum non-repetitive surge current capability under standard test conditions |
| TJ(max) | +175 °C - enables operation in under-hood automotive environments and high-ambient industrial settings |
| AEC-Q101 | Qualified - validated for automotive electronics per stress test requirements including HTOL, TC, and HAST |
Pinout & Package
Package: DO-15 (DO-204AC), axial leaded, molded epoxy case meeting UL 94 V-0 flammability rating. Matte tin-plated leads compliant with J-STD-002 and JESD 22-B102 solderability standards. No polarity marking - bidirectional functionality confirmed by CA suffix.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode/Cathode (unmarked ends) | Bidirectional avalanche junction terminals | Either end serves as anode or cathode depending on transient polarity; no color band or marking required |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated chip junction | Enables stable avalanche characteristics and long-term reliability under thermal cycling and humidity stress |
| 600 W peak pulse power (10/1000 μs) | Supports IEC 61000-4-5 Level 4 (4 kV) surge protection without derating in typical PCB layouts |
| AEC-Q101 qualification | Validates suitability for automotive powertrain, body control, and ADAS sensor interface applications |
| Low incremental surge resistance | Minimizes voltage overshoot during fast-rising transients (<1 ns response), improving system-level ESD immunity |
| RoHS-compliant HE3 suffix | Indicates AEC-Q101 qualified, JESD 201 Class 2 whisker-resistant matte tin plating for high-reliability assembly |
Applications
| Automotive Sensor Protection | Industrial PLC I/O Protection |
|---|---|
|
Use Scenario: Protecting CAN bus transceivers and analog sensor inputs (e.g., pressure, temperature) from load dump and inductive switching transients in vehicle ECUs. IC Role / Device Role / Timing Role: Bidirectional clamping element placed between signal line and ground, absorbing ±12 V surges before they reach downstream ICs. Use Value: Maintains signal integrity during 12 V battery load dump events while surviving >1000 surge cycles per AEC-Q101 test protocol. |
Use Scenario: Shielding digital input channels on programmable logic controller (PLC) modules from field-wiring induced surges in factory automation systems. IC Role / Device Role / Timing Role: Primary overvoltage clamp on 24 V DC input lines, triggered within <1 ns to limit transient voltage to ≤16.7 V. Use Value: Prevents false triggering and latch-up in optocoupler input stages during 2 kV/0.5 J surge events per IEC 61000-4-4. |
| Telecom Line Driver Protection | Consumer Appliance Motor Control |
|
Use Scenario: Safeguarding RS-485 transceiver pins in base station backhaul equipment exposed to lightning-induced surges on outdoor cabling. IC Role / Device Role / Timing Role: Secondary protection stage after gas discharge tube (GDT), providing low-clamp backup for fast-rising transients. Use Value: Clamps differential surges to <17 V while maintaining <1 pF junction capacitance at zero bias - preserving signal rise time up to 10 Mbps. |
Use Scenario: Suppressing commutation spikes from brushed DC motors in smart home appliances (e.g., vacuum cleaners, washing machines). IC Role / Device Role / Timing Role: Across-the-line TVS on motor terminals, shunting inductive kickback energy away from MCU GPIO and driver FETs. Use Value: Withstands 100 A single-half-sine forward surge (IFSM), preventing failure during repeated motor stall events. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ12CA | DO-214AA package, 600 W rating, VBR = 13.3–14.7 V, VC = 19.9 V @ 30.1 A | Surface-mount footprint; higher clamping voltage (+3.2 V) and lower IPPM (-5.8 A) | Select SMBJ12CA when board space is constrained and reflow assembly is preferred over through-hole mounting. |
| 1.5KE12CA | DO-201AD package, 1500 W rating, VBR = 11.4–12.6 V, VC = 19.0 V @ 79.0 A | Higher power rating but larger package; clamping voltage +2.3 V higher than P6KE12CAHE3/54 | Choose 1.5KE12CA only when system-level surge tests exceed 600 W or require higher IPPM headroom. |
Compared with SMBJ12CA and 1.5KE12CA, the P6KE12CAHE3/54 delivers optimal balance of compact DO-15 form factor, tight 11.4–12.6 V VBR tolerance, lowest clamping voltage (16.7 V), and AEC-Q101 qualification - making it the preferred choice for cost-sensitive, high-volume automotive and industrial through-hole designs.
Availability
P6KE12CAHE3/54 is available at Aetrix Electronics and suitable for automotive sensor interfaces, industrial PLC I/O modules, and telecom line driver circuits requiring stable component supply with AEC-Q101 assurance and RoHS compliance.
Supply support for P6KE12CAHE3/54 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
Vishay General Semiconductor is a global leader in discrete semiconductors, specializing in diodes, rectifiers, MOSFETs, and protection devices with emphasis on reliability, efficiency, and application-specific performance.
The P6KE series targets cost-effective, high-surge-capability transient protection in commercial and automotive applications - engineered for rapid response, stable clamping, and compatibility with automated through-hole assembly processes.
FAQ
What does the "CA" suffix indicate in P6KE12CAHE3/54?
The "CA" suffix denotes bidirectional configuration: the P6KE12CAHE3/54 functions identically for positive and negative transients, with symmetrical breakdown and clamping behavior in both directions. Unlike unidirectional variants (e.g., P6KE12A), it has no cathode marking and is used where polarity of incoming surges is unpredictable - such as across AC lines or differential data buses. This is confirmed in Vishay's datasheet section "Devices for Bidirectional Applications".
Is P6KE12CAHE3/54 suitable for automotive applications?
Yes, P6KE12CAHE3/54 is AEC-Q101 qualified, as explicitly stated in the mechanical data and ordering information sections of the Vishay datasheet (Document Number: 88369, Revision: 27-Sep-2021). The HE3 suffix confirms compliance with JESD 201 Class 2 whisker testing and automotive-grade reliability screening - making it appropriate for engine control units, body electronics, and ADAS sensor interfaces where extended temperature operation (−55 °C to +175 °C) and surge endurance are required.
What is the maximum clamping voltage of P6KE12CAHE3/54 under surge conditions?
The maximum clamping voltage (VC) of P6KE12CAHE3/54 is 16.7 V at 35.9 A peak pulse current (IPPM), measured with a 10/1000 μs waveform per Figure 1 and Table on page 2 of the Vishay datasheet. This value represents the upper limit of voltage seen by protected circuitry during a full-rated 600 W transient event - critical for ensuring downstream ICs (e.g., 3.3 V or 5 V logic) remain within absolute maximum ratings.
How does the HE3 suffix differ from E3 in P6KE12CAHE3/54?
The HE3 suffix in P6KE12CAHE3/54 indicates AEC-Q101 qualification and JESD 201 Class 2 whisker resistance, whereas E3 denotes commercial-grade RoHS compliance only. Per the datasheet's Mechanical Data section, HE3 parts undergo additional stress testing (HTOL, temperature cycling, HAST) and use enhanced matte tin plating to prevent tin whisker growth - essential for automotive and industrial applications with long service life and zero-failure requirements. The P6KE12CAHE3/54 is therefore not interchangeable with P6KE12CA-E3/54 in safety-critical designs.
What package type does P6KE12CAHE3/54 use, and what are its key mechanical properties?
P6KE12CAHE3/54 uses the DO-15 (DO-204AC) axial-leaded package, with overall dimensions of 3.3–3.5 mm diameter and 25.4 mm minimum length. Its molded epoxy body meets UL 94 V-0 flammability rating, and matte tin-plated leads comply with J-STD-002 and JESD 22-B102 solderability standards. The package supports solder dip at 275 °C for 10 s maximum, and its RθJL = 20 °C/W enables effective heat dissipation into PCB copper land patterns - all confirmed in the "Mechanical Data" and "Thermal Characteristics" sections of the Vishay datasheet.
P6KE12CAHE3/54 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-204AC, DO-15, Axial
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 10.2V
- Voltage - Breakdown (Min):
- 11.4V
- Voltage - Clamping (Max) @ Ipp:
- 16.7V
- Current - Peak Pulse (10/1000µs):
- 35.9A
- 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)
P6KE12CAHE3/54 FAQ
1.How can I place an order for P6KE12CAHE3/54 through Aetrix?
Please submit a Request for Quotation (RFQ) for P6KE12CAHE3/54 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 P6KE12CAHE3/54 reliable?
The price and inventory of P6KE12CAHE3/54 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6KE12CAHE3/54 is usually 5 days.
3.What payment methods are accepted for P6KE12CAHE3/54?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6KE12CAHE3/54 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6KE12CAHE3/54?
P6KE12CAHE3/54 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6KE12CAHE3/54 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 P6KE12CAHE3/54?
For technical support, including P6KE12CAHE3/54 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6KE12CAHE3/54 requirements.
6.How does Aetrix verify that P6KE12CAHE3/54 is sourced from the original manufacturer or authorized distributors?
All P6KE12CAHE3/54 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 P6KE12CAHE3/54 meets industry standards.
7.What is the process for return or replacement of P6KE12CAHE3/54?
All P6KE12CAHE3/54 units undergo pre-shipment inspection (PSI). If there is an issue with P6KE12CAHE3/54, 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 P6KE12CAHE3/54 part is unused and in its original packaging.
Return procedure for P6KE12CAHE3/54:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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