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Vishay General Semiconductor - Diodes Division P6KE12CHE3/54
- Part No.:
- P6KE12CHE3/54
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-204AC, DO-15, Axial
- Datasheet:
-
P6KE12CHE3/54.pdf
- Description:
- TVS DIODE 9.72VWM 17.3VC DO204AC
- Quantity:
- Payment:
- Shipping:
Inventory:8,900
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Product details
Overview
P6KE12CHE3/54 from Vishay General Semiconductor is a bi-directional Transient Voltage Suppressor (TVS) diode in DO-204AC (DO-15) package, designed for clamping voltage transients on signal or power lines. It features a 12 V breakdown voltage (VBR min = 11.4 V, max = 12.6 V), 10.2 V stand-off voltage (VWM), 16.7 V maximum clamping voltage at 35.9 A peak pulse current, and 600 W peak pulse power rating with 10/1000 μs waveform - used to protect MOSFETs, ICs, and sensor interfaces in automotive and industrial control systems.
For engineers reviewing the P6KE12CHE3/54 datasheet, P6KE12CHE3/54 pinout, P6KE12CHE3/54 application, or P6KE12CHE3/54 equivalent, key selection criteria include its bi-directional polarity, AEC-Q101 qualification, 175 °C max junction temperature, low clamping ratio (VC/VWM ≈ 1.64), and RoHS-compliant HE3 suffix indicating automotive-grade reliability and whisker resistance per JESD 201 Class 2.
Technical Context
The P6KE12CHE3/54 operates as a voltage-clamping device that remains high-impedance below VWM = 10.2 V and rapidly avalanches above VBR to limit transient energy. Its bi-directional structure enables symmetric protection of AC-coupled or floating lines without polarity concerns.
It delivers 600 W peak pulse power handling with 10/1000 μs waveform, supports 35.9 A peak pulse current (IPPM), and exhibits 0.078 %/°C temperature coefficient of VBR. Thermal resistance is RθJL = 20 °C/W (junction-to-lead), enabling effective heat dissipation in leaded PCB layouts.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 11.4 V / 12.6 V at 1.0 mA test current - defines precise avalanche initiation window for reliable clamping onset |
| VWM | 10.2 V - maximum continuous reverse working voltage before leakage exceeds 5.0 μA |
| VC @ IPPM | 16.7 V at 35.9 A - clamping voltage under 600 W surge, limiting downstream stress to safe levels |
| PPPM | 600 W - peak pulse power capability with 10/1000 μs waveform, validated for repetitive 0.01 % duty cycle |
| TJ max | 175 °C - maximum junction temperature enabling operation in under-hood automotive and industrial environments |
| Package | DO-204AC (DO-15) - axial-leaded, UL 94 V-0 molded epoxy package with matte tin-plated leads |
| Qualification | AEC-Q101 qualified (HE3 suffix) - certified for automotive electronics per stress-test requirements |
Pinout & Package
DO-204AC (DO-15) package: axial-leaded, cylindrical glass-passivated chip in molded epoxy housing. Leads are matte tin-plated, solderable per J-STD-002 and JESD 22-B102. Bi-directional devices have no polarity marking.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode/Cathode (symmetrical) | Bi-directional avalanche terminals | No functional distinction - either lead serves as input/output for transient suppression in both directions |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated chip junction | Enables stable, repeatable avalanche characteristics and long-term reliability under repeated surge events |
| 600 W peak pulse power (10/1000 μs) | Supports robust protection against IEC 61000-4-5 Level 4 surges (4 kV/2 Ω) on 12 V supply rails |
| AEC-Q101 qualification (HE3) | Validates suitability for automotive powertrain, body electronics, and ADAS sensor interfaces |
| Low clamping ratio (VC/VWM = 1.64) | Minimizes overvoltage exposure to protected ICs while maintaining margin above normal operating voltage |
| RoHS-compliant, JESD 201 Class 2 whisker resistance | Ensures solder joint integrity and long-term reliability in high-vibration, high-temperature automotive assemblies |
Applications
| Automotive Sensor Protection | Industrial PLC I/O Protection |
|---|---|
|
Use Scenario: Protecting CAN/LIN 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: Bi-directional voltage clamp placed across differential or single-ended signal lines upstream of interface ICs. Use Value: Limits transient excursions to ≤16.7 V during 35.9 A surges, preventing latch-up or gate oxide damage in 12 V rail-connected ICs. |
Use Scenario: Safeguarding digital input modules in programmable logic controllers exposed to relay coil flyback and motor drive noise. IC Role / Device Role / Timing Role: Parallel-connected TVS on 24 V DC input channels to shunt induced spikes before reaching optocoupler or MCU GPIO. Use Value: Clamps 600 W surges within nanoseconds, preserving signal integrity and eliminating false triggering in industrial control logic. |
| Consumer Power Adapter Input | Telecom Line Interface Protection |
|
Use Scenario: Secondary-side surge suppression on 12 V output rails of wall adapters subjected to lightning-induced surges via connected devices. IC Role / Device Role / Timing Role: Standoff-rated TVS placed between VOUT and GND to absorb coupling transients from USB or Ethernet ports. Use Value: Maintains 10.2 V working voltage margin while clamping to 16.7 V - compatible with 12 V LDOs and PMICs without derating. |
Use Scenario: Protecting Ethernet PHY or DSL line drivers from ESD and induced surges on twisted-pair telecom interfaces. IC Role / Device Role / Timing Role: Bi-directional TVS across differential pairs (e.g., TX+/TX−) to suppress common-mode transients without distorting signal symmetry. Use Value: Symmetric clamping ensures balanced impedance and preserves signal integrity up to 100 MHz, critical for Fast Ethernet compliance. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ12CA | DO-214AA package (SMB), 600 W rating, VBR = 13.3–14.7 V, VC = 19.9 V @ 30.1 A | Surface-mount footprint; higher clamping voltage and lower IPPM than P6KE12CHE3/54 | Preferred where board space is constrained and reflow assembly is used; requires layout revision from axial to SMD. |
| 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 and higher clamping voltage; not AEC-Q101 qualified | Used when surge threat level exceeds 600 W (e.g., main power input); unsuitable for automotive-qualified designs. |
Compared with SMBJ12CA and 1.5KE12CA, P6KE12CHE3/54 offers AEC-Q101 qualification and lowest clamping voltage (16.7 V) among 600 W bi-directional TVS diodes in axial leaded form - making it optimal for space-tolerant, automotive-grade signal-line protection where leaded assembly and thermal robustness are prioritized.
Availability
P6KE12CHE3/54 is available at Aetrix Electronics and suitable for automotive sensor interfaces, industrial PLC I/O modules, consumer power adapter outputs, and telecom line drivers requiring stable component supply with full traceability and lifecycle management.
Supply support for P6KE12CHE3/54 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, TVS devices, and power MOSFETs with emphasis on reliability and application-specific performance.
The P6KE series was engineered for cost-effective, high-surge-capability transient protection in commercial and automotive environments - balancing compact DO-15 packaging, AEC-Q101 compliance, and precise clamping behavior for voltage-sensitive electronics.
FAQ
What does the 'HE3' suffix indicate in P6KE12CHE3/54?
The HE3 suffix in P6KE12CHE3/54 denotes RoHS-compliant construction with AEC-Q101 qualification and JESD 201 Class 2 whisker resistance. This confirms the device meets automotive reliability standards for temperature cycling, mechanical shock, and long-term solder joint integrity - distinguishing it from commercial-grade E3 variants.
Is P6KE12CHE3/54 unidirectional or bidirectional, and how is polarity identified?
P6KE12CHE3/54 is a bi-directional TVS diode, meaning it provides symmetrical clamping in both forward and reverse directions. Unlike unidirectional versions (e.g., P6KE12A), it has no cathode band or polarity marking - both leads are functionally identical for transient suppression across AC or floating nodes.
What is the maximum clamping voltage of P6KE12CHE3/54, and at what current is it specified?
The maximum clamping voltage of P6KE12CHE3/54 is 16.7 V, measured at 35.9 A peak pulse current (IPPM) using the standard 10/1000 μs waveform. This value ensures protected circuitry sees no more than 16.7 V during worst-case surge events, providing design margin for 12 V nominal systems.
Can P6KE12CHE3/54 be used in place of P6KE12A in an existing design?
P6KE12CHE3/54 replaces P6KE12A only if bi-directional protection is required and AEC-Q101 qualification is needed. While both share identical VBR, VWM, and VC specs, P6KE12A is unidirectional with cathode marking and lacks automotive qualification - substituting requires verifying system polarity and reliability requirements.
What is the thermal resistance specification for P6KE12CHE3/54, and why does it matter?
P6KE12CHE3/54 has a typical junction-to-lead thermal resistance (RθJL) of 20 °C/W. This parameter determines how effectively heat from surge dissipation transfers from the silicon junction to the PCB copper through the leads - critical for sustaining repetitive surges and avoiding thermal runaway in high-ambient-temperature applications like engine compartments.
P6KE12CHE3/54 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:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 9.72V
- Voltage - Breakdown (Min):
- 10.8V
- Voltage - Clamping (Max) @ Ipp:
- 17.3V
- Current - Peak Pulse (10/1000µs):
- 34.7A
- 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)
P6KE12CHE3/54 FAQ
1.How can I place an order for P6KE12CHE3/54 through Aetrix?
Please submit a Request for Quotation (RFQ) for P6KE12CHE3/54 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 P6KE12CHE3/54 reliable?
The price and inventory of P6KE12CHE3/54 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6KE12CHE3/54 is usually 5 days.
3.What payment methods are accepted for P6KE12CHE3/54?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6KE12CHE3/54 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6KE12CHE3/54?
P6KE12CHE3/54 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6KE12CHE3/54 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 P6KE12CHE3/54?
For technical support, including P6KE12CHE3/54 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6KE12CHE3/54 requirements.
6.How does Aetrix verify that P6KE12CHE3/54 is sourced from the original manufacturer or authorized distributors?
All P6KE12CHE3/54 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 P6KE12CHE3/54 meets industry standards.
7.What is the process for return or replacement of P6KE12CHE3/54?
All P6KE12CHE3/54 units undergo pre-shipment inspection (PSI). If there is an issue with P6KE12CHE3/54, 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 P6KE12CHE3/54 part is unused and in its original packaging.
Return procedure for P6KE12CHE3/54:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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