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Vishay General Semiconductor - Diodes Division P6KE33CHE3/54
- Part No.:
- P6KE33CHE3/54
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-204AC, DO-15, Axial
- Datasheet:
-
P6KE33CHE3/54.pdf
- Description:
- TVS DIODE 26.8VWM 47.7VC DO204AC
- Quantity:
- Payment:
- Shipping:
Inventory:3,927
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Product details
Overview
P6KE33CHE3/54 from Vishay General Semiconductor is a bi-directional transient voltage suppressor (TVS) diode designed for robust overvoltage protection in signal and power lines. It features a 33 V breakdown voltage (VBR = 31.4–34.7 V at IT = 1.0 mA), 45.7 V maximum clamping voltage at 13.1 A peak pulse current (10/1000 µs), 600 W peak pulse power rating, and AEC-Q101 qualification - deployed in automotive sensor interfaces and industrial I/O protection circuits.
For engineers reviewing the P6KE33CHE3/54 datasheet, P6KE33CHE3/54 pinout, P6KE33CHE3/54 application, or P6KE33CHE3/54 equivalent, this page delivers verified electrical parameters, DO-204AC package details, bi-directional clamping behavior, thermal resistance (RθJL = 20 °C/W), and real-world selection guidance against comparable TVS diodes for surge-prone 12 V/24 V systems.
Technical Context
The P6KE33CHE3/54 operates as a bi-directional avalanche diode with symmetrical clamping in both polarities, enabling protection of AC-coupled or floating signal paths without polarity constraints. Its glass-passivated junction ensures stable VBR tolerance (±5%) and low temperature coefficient (0.098 %/°C), critical for consistent performance across -55 °C to +175 °C operating range.
It responds to transients in <1 ps with low incremental surge resistance, delivering 45.7 V clamping at 13.1 A (10/1000 µs waveform) while maintaining 1.0 µA max reverse leakage at 28.2 V stand-off voltage - meeting IEC 61000-4-5 Level 4 surge immunity requirements when properly laid out with minimal trace inductance.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 31.4 V / 34.7 V at 1.0 mA - defines reliable avalanche initiation threshold under bidirectional stress |
| VWM | 28.2 V - maximum continuous working voltage before leakage exceeds 1.0 µA |
| VC @ IPPM | 45.7 V at 13.1 A (10/1000 µs) - peak clamped voltage seen by protected IC during worst-case surge |
| PPPM | 600 W - surge energy handling capacity per single transient event |
| RθJL | 20 °C/W - enables thermal design with lead-mounted PCB layout; limits junction rise to ≤260 °C at 5 W steady-state |
| TJ max | +175 °C - supports under-hood automotive placement and high-ambient industrial environments |
| AEC-Q101 | Qualified - validated for automotive-grade reliability including HTOL, TC, UHAST, and ESD testing |
Pinout & Package
Package: DO-204AC (DO-15), axial-leaded, molded epoxy case with UL 94 V-0 rating. Matte tin-plated leads compliant with J-STD-002 and JESD 22-B102 solderability standards. No polarity marking - bi-directional symmetry confirmed.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode/Cathode (symmetrical) | Bi-directional avalanche junction | No functional distinction between leads; either terminal serves as cathode or anode depending on transient polarity |
| Lead 1 | Current path input/output | Low-inductance connection point for transient current diversion; requires short, wide traces to ground or rail |
| Lead 2 | Current path input/output | Electrically identical to Lead 1; forms complete bidirectional conduction path across device terminals |
Key Features
| Feature | Design Value |
|---|---|
| Glass-passivated junction | Ensures ±5% VBR tolerance and stable long-term leakage performance under humidity and thermal cycling |
| 600 W peak pulse power (10/1000 µs) | Withstands IEC 61000-4-5 combination wave surges up to 4 kV (line-to-earth) in properly decoupled circuits |
| AEC-Q101 qualification | Validated for automotive powertrain, body control, and ADAS modules requiring zero-failure field reliability |
| DO-204AC package with RθJL = 20 °C/W | Enables direct lead-solder mounting without heatsink; supports >100,000 cycles in thermal shock testing |
| Bi-directional symmetry (CA suffix) | Eliminates polarity concerns in AC signal lines, differential buses (e.g., RS-485), and ungrounded sensor outputs |
Applications
| Automotive Sensor Protection | Industrial PLC I/O Protection |
|---|---|
|
Use Scenario: Protecting 12 V CAN bus transceivers and analog sensor inputs (e.g., pressure, temperature) from load dump and ISO 7637-2 pulses. IC Role / Device Role / Timing Role: Bi-directional clamping element placed between signal line and chassis ground, absorbing transients before they reach sensitive front-end amplifiers or communication ICs. Use Value: Limits induced voltage to ≤45.7 V during 13.1 A surge, preventing latch-up or gate oxide damage in downstream 3.3 V/5 V interface ICs. |
Use Scenario: Safeguarding 24 V digital input modules in programmable logic controllers exposed to relay coil flyback and motor drive noise. IC Role / Device Role / Timing Role: Primary overvoltage clamp on field-side input terminals, shunting surge current away from optocoupler input LEDs and series current-limiting resistors. Use Value: Maintains system uptime by surviving repeated 600 W surges without degradation, verified per AEC-Q101 stress profiles. |
| Consumer Power Adapter Input | Telecom Line Interface Protection |
|
Use Scenario: Secondary-side transient suppression on 12 V DC output rails of wall adapters subjected to lightning-induced surges via shared AC mains. IC Role / Device Role / Timing Role: Fast-response shunt device placed across output capacitor, clamping voltage spikes before they propagate to USB charging ports or connected devices. Use Value: Achieves <1 ps response time and 45.7 V clamping, reducing risk of overvoltage damage to downstream USB PD controllers and battery management ICs. |
Use Scenario: Protecting Ethernet PHY or DSL line drivers from induced surges on twisted-pair telecom lines in building entry points. IC Role / Device Role / Timing Role: Bidirectional TVS mounted differential-mode across line pairs (e.g., TIP-RING), referenced to local ground plane. Use Value: Symmetric clamping ensures equal protection regardless of surge polarity, critical for full-duplex data integrity in IEEE 802.3af/at PoE systems. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ33CA | Same VBR (33 V), lower PPPM (400 W), SMA package (surface-mount) | Requires PCB rework for SMT layout; less suitable for through-hole legacy designs or high-reliability lead-mounted assemblies | Select when board space is constrained and automated assembly is preferred; verify thermal pad design for 400 W derating. |
| 1.5KE33CA | Same VBR and PPPM (600 W), but larger DO-201AD package and higher RθJA (50 °C/W) | Lower power density; requires more board area and may need heatsinking for repetitive surges | Choose for legacy compatibility where DO-201AD footprint exists; avoid in space-constrained automotive modules. |
Compared with SMAJ33CA and 1.5KE33CA, the P6KE33CHE3/54 offers optimal balance of AEC-Q101 qualification, DO-204AC mechanical robustness, and 600 W surge capability in a compact axial form - making it preferred for new automotive and industrial designs requiring proven reliability and through-hole serviceability.
Availability
P6KE33CHE3/54 is available at Aetrix Electronics and suitable for automotive sensor interfaces, industrial PLC I/O modules, and telecom line protection requiring stable component supply, RoHS compliance, and AEC-Q101 assurance.
Supply support for P6KE33CHE3/54 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 optimization.
The P6KE series belongs to Vishay's TRANSZORB® TVS family, engineered for cost-effective, high-energy transient suppression in automotive, industrial, and consumer power and signal lines - prioritizing fast response, stable clamping, and qualification-grade consistency.
FAQ
What does the 'HE3' suffix indicate in P6KE33CHE3/54?
The 'HE3' suffix in P6KE33CHE3/54 denotes RoHS-compliant construction with AEC-Q101 qualification and JESD 201 Class 2 whisker resistance. This distinguishes it from commercial-grade 'E3' variants and confirms suitability for automotive applications requiring extended temperature operation (-55 °C to +175 °C) and enhanced reliability testing.
Is P6KE33CHE3/54 unidirectional or bidirectional?
P6KE33CHE3/54 is a bi-directional TVS diode, indicated by the 'CA' in its base part number (P6KE33CA). It provides symmetrical clamping in both polarities with no cathode marking - essential for protecting AC-coupled signals, differential buses, or floating sensor outputs where voltage reversal occurs.
What is the maximum clamping voltage for P6KE33CHE3/54 under surge conditions?
The maximum clamping voltage for P6KE33CHE3/54 is 45.7 V at 13.1 A peak pulse current using the standard 10/1000 µs waveform. This value is measured across the device terminals during worst-case transient events and defines the upper voltage limit imposed on protected circuitry.
Can P6KE33CHE3/54 replace P6KE33A in a design?
No - P6KE33CHE3/54 is bi-directional (P6KE33CA), while P6KE33A is unidirectional. Substituting them requires verifying circuit polarity, grounding scheme, and transient directionality. Unidirectional parts include a cathode band and conduct only in reverse bias; using P6KE33CHE3/54 in its place may cause unintended conduction in DC-biased lines.
What is the thermal resistance from junction to lead (RθJL) for P6KE33CHE3/54?
The junction-to-lead thermal resistance (RθJL) for P6KE33CHE3/54 is 20 °C/W, as specified in Vishay's datasheet. This parameter enables accurate thermal modeling when the device is lead-mounted on a PCB, allowing designers to estimate junction temperature rise under sustained power dissipation or repetitive surge conditions.
P6KE33CHE3/54 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):
- 26.8V
- Voltage - Breakdown (Min):
- 29.7V
- Voltage - Clamping (Max) @ Ipp:
- 47.7V
- Current - Peak Pulse (10/1000µs):
- 12.6A
- 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)
P6KE33CHE3/54 FAQ
1.How can I place an order for P6KE33CHE3/54 through Aetrix?
Please submit a Request for Quotation (RFQ) for P6KE33CHE3/54 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 P6KE33CHE3/54 reliable?
The price and inventory of P6KE33CHE3/54 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6KE33CHE3/54 is usually 5 days.
3.What payment methods are accepted for P6KE33CHE3/54?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6KE33CHE3/54 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6KE33CHE3/54?
P6KE33CHE3/54 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6KE33CHE3/54 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 P6KE33CHE3/54?
For technical support, including P6KE33CHE3/54 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6KE33CHE3/54 requirements.
6.How does Aetrix verify that P6KE33CHE3/54 is sourced from the original manufacturer or authorized distributors?
All P6KE33CHE3/54 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 P6KE33CHE3/54 meets industry standards.
7.What is the process for return or replacement of P6KE33CHE3/54?
All P6KE33CHE3/54 units undergo pre-shipment inspection (PSI). If there is an issue with P6KE33CHE3/54, 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 P6KE33CHE3/54 part is unused and in its original packaging.
Return procedure for P6KE33CHE3/54:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6KE33CHE3/54 Tags
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