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Vishay General Semiconductor - Diodes Division P4KE11CA-E3/54
- Part No.:
- P4KE11CA-E3/54
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-204AL, DO-41, Axial
- Datasheet:
-
P4KE11CA-E3/54.pdf
- Description:
- TVS DIODE 9.4VWM 15.6VC DO204AL
- Quantity:
- Payment:
- Shipping:
Inventory:2,196
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Product details
Overview
P4KE11CA-E3/54 from Vishay General Semiconductor is a bidirectional Transient Voltage Suppressor (TVS) diode in DO-41 package, designed for clamping voltage transients on signal or power lines. It features a 10.5 V maximum clamping voltage at 25.6 A peak pulse current, 9.40 V stand-off voltage, and 400 W peak pulse power rating with 10/1000 μs waveform - used to protect MOSFETs and sensor interfaces in automotive and industrial control systems.
For engineers reviewing the P4KE11CA-E3/54 datasheet, P4KE11CA-E3/54 pinout, P4KE11CA-E3/54 application, or P4KE11CA-E3/54 equivalent, key selection criteria include bidirectional clamping capability, DO-41 mechanical compatibility, AEC-Q101 qualification status, thermal resistance (RθJL = 66 °C/W), and low leakage (<5.0 μA at VWM).
Technical Context
This device operates as a voltage-clamped surge protector with symmetrical breakdown behavior in both polarities due to its bidirectional construction. Its glass-passivated junction enables fast response time (<1.0 ns) and low incremental surge resistance, critical for suppressing ESD and inductive switching spikes.
The P4KE11CA-E3/54 is rated for 175 °C maximum junction temperature and derates linearly above 25 °C ambient, with thermal resistance from junction-to-lead at 66 °C/W. It meets JESD 22-B106 solderability requirements (275 °C, 10 s) and JESD 201 class 1A whisker testing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Stand-off Voltage (VWM) | 9.40 V - maximum continuous reverse working voltage before clamping begins |
| Breakdown Voltage (VBR) | 10.5–11.6 V at 1.0 mA test current - ensures reliable conduction onset during overvoltage events |
| Clamping Voltage (VC) | 15.6 V at 25.6 A IPPM - limits downstream circuit voltage during 10/1000 μs surge |
| Peak Pulse Power (PPPM) | 400 W - sustains transient energy without failure under standardized 10/1000 μs waveform |
| Maximum Leakage (ID) | <5.0 μA at VWM - minimizes standby power loss in always-on protection circuits |
| Junction Temperature Range | −55 °C to +175 °C - supports operation in under-hood automotive and industrial environments |
| AEC-Q101 Qualified | Yes - validated for automotive-grade reliability per stress test requirements |
Pinout & Package
DO-41 (DO-204AL) molded epoxy package with matte tin-plated leads; no polarity marking for bidirectional configuration; body length 25.4 mm min., lead diameter 0.71–0.86 mm.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode/Cathode (symmetrical) | Transient conduction path | Both terminals function identically - no cathode band; bidirectional clamping across either polarity |
| Leads (2x) | Thermal and electrical interface | Provide mechanical mounting and heat dissipation path; RθJL = 66 °C/W enables PCB trace-based thermal management |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated junction | Enables stable VBR tolerance (±5%) and long-term reliability under repeated surge stress |
| 400 W peak pulse power (10/1000 μs) | Handles typical load-dump and ESD transients in 12 V automotive systems without degradation |
| AEC-Q101 qualification | Validated for automotive applications including engine control units and body electronics |
| UL 94 V-0 molding compound | Meets flammability safety requirements for enclosed industrial and transportation equipment |
| Low clamping ratio (VC/VBR ≈ 1.45) | Minimizes overvoltage exposure to protected ICs while maintaining margin above VWM |
Applications
| Automotive Sensor Protection | Industrial PLC I/O Protection |
|---|---|
|
Use Scenario: Protecting analog sensor inputs (e.g., pressure, temperature) in engine control modules from load dump and alternator ripple. IC Role / Device Role / Timing Role: Bidirectional voltage clamp placed between signal line and ground to shunt transients before reaching ADC front-end. Use Value: Clamps spikes up to 15.6 V while maintaining <5.0 μA leakage at 9.4 V nominal supply - preserving signal integrity and measurement accuracy. |
Use Scenario: Safeguarding digital input channels of programmable logic controllers against field-wiring induced surges in factory automation. IC Role / Device Role / Timing Role: Primary overvoltage suppression element on 24 V DC input terminals, coordinated with series impedance. Use Value: Withstands 400 W pulses and operates from −55 °C to +175 °C - ensuring uptime in uncontrolled cabinet environments. |
| Consumer Power Adapter Interface | Telecom Line Card Surge Protection |
|
Use Scenario: Input-stage transient suppression on AC-DC adapter secondary side feeding USB-C PD controllers. IC Role / Device Role / Timing Role: Fast-response TVS placed across VBUS and GND to absorb ESD and hot-plug transients. Use Value: 10.5 V clamping voltage aligns with 9–12 V operating range of PD controllers; DO-41 footprint allows manual or automated assembly. |
Use Scenario: Front-end protection of Ethernet PHY interfaces and RS-485 transceivers in base station line cards exposed to lightning-induced surges. IC Role / Device Role / Timing Role: First-line defense against common-mode transients coupled onto twisted-pair data lines. Use Value: Symmetrical bidirectional clamping ensures equal protection for differential signaling; UL 94 V-0 housing meets telecom safety standards. |
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 | DO-214AA package; 600 W PPPM; lower RθJA (50 °C/W); same VWM/VC specs | Better thermal performance in high-density layouts; requires SMT reflow instead of through-hole | Select when board space is constrained and surface-mount assembly is available. |
| 1.5KE11CA | Same DO-41 package; 1500 W PPPM; higher VC (18.2 V); larger junction capacitance | Higher energy handling but less precise clamping - suited for bulk power rail protection rather than signal lines | Choose for primary DC bus protection where tighter clamping is less critical than surge capacity. |
Compared with SMBJ11CA and 1.5KE11CA, the P4KE11CA-E3/54 offers optimal balance of clamping precision (15.6 V), through-hole manufacturability, and AEC-Q101 compliance - making it preferred for cost-sensitive, high-reliability signal-level protection in automotive and industrial designs.
Availability
P4KE11CA-E3/54 is available at Aetrix Electronics and suitable for automotive sensor interfaces, industrial PLC I/O modules, and consumer power adapter designs requiring stable component supply and long-lifecycle support.
Supply support for P4KE11CA-E3/54 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, and protection devices with emphasis on reliability and automotive qualification.
The P4KE11CA-E3/54 belongs to the TRANSZORB® family of TVS diodes engineered specifically for robust, standardized transient suppression in harsh environments - targeting automotive, industrial, and telecom infrastructure applications.
FAQ
What is the maximum clamping voltage of the P4KE11CA-E3/54 under specified test conditions?
The P4KE11CA-E3/54 has a maximum clamping voltage (VC) of 15.6 V when subjected to a 10/1000 μs waveform at 25.6 A peak pulse current (IPPM). This value is measured per JEDEC standards and reflects the upper limit of voltage seen by protected circuitry during surge events - critical for ensuring downstream ICs remain within absolute maximum ratings.
Is the P4KE11CA-E3/54 suitable for automotive applications?
Yes, the P4KE11CA-E3/54 is AEC-Q101 qualified and explicitly rated for automotive use. Its −55 °C to +175 °C operating junction temperature range, glass-passivated junction, and DO-41 package with matte tin leads meet stringent automotive reliability requirements - making it appropriate for engine control, body electronics, and ADAS sensor protection circuits.
How does the bidirectional configuration of P4KE11CA-E3/54 affect its circuit implementation?
The P4KE11CA-E3/54 has no polarity marking and conducts symmetrically in both directions, enabling direct placement across any two nodes requiring bidirectional overvoltage protection - such as differential signal lines or AC-coupled interfaces. Unlike unidirectional TVS diodes, it eliminates orientation concerns during assembly and provides identical clamping behavior regardless of voltage polarity.
What is the thermal resistance specification for P4KE11CA-E3/54, and why does it matter?
The P4KE11CA-E3/54 has a typical junction-to-lead thermal resistance (RθJL) of 66 °C/W. This parameter determines how effectively heat generated during surge events transfers from the silicon junction to the PCB copper or heatsink via the leads. Lower RθJL improves surge endurance - especially important in repetitive transient environments like motor drive feedback loops.
Does the P4KE11CA-E3/54 require additional series impedance for effective protection?
Yes, the P4KE11CA-E3/54 is intended to be used with series impedance (e.g., resistor or ferrite bead) upstream to limit current during clamping. Without current limiting, the diode's low dynamic impedance could draw excessive current from the source, potentially damaging traces or upstream components. Proper coordination ensures the P4KE11CA-E3/54 absorbs energy while keeping peak current within its 25.6 A IPPM rating.
P4KE11CA-E3/54 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-204AL, DO-41, Axial
- Series:
- TransZorb®
- 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):
- 25.6A
- Power - Peak Pulse:
- 400W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 175°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- DO-204AL (DO-41)
P4KE11CA-E3/54 FAQ
1.How can I place an order for P4KE11CA-E3/54 through Aetrix?
Please submit a Request for Quotation (RFQ) for P4KE11CA-E3/54 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 P4KE11CA-E3/54 reliable?
The price and inventory of P4KE11CA-E3/54 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P4KE11CA-E3/54 is usually 5 days.
3.What payment methods are accepted for P4KE11CA-E3/54?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P4KE11CA-E3/54 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P4KE11CA-E3/54?
P4KE11CA-E3/54 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P4KE11CA-E3/54 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 P4KE11CA-E3/54?
For technical support, including P4KE11CA-E3/54 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P4KE11CA-E3/54 requirements.
6.How does Aetrix verify that P4KE11CA-E3/54 is sourced from the original manufacturer or authorized distributors?
All P4KE11CA-E3/54 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 P4KE11CA-E3/54 meets industry standards.
7.What is the process for return or replacement of P4KE11CA-E3/54?
All P4KE11CA-E3/54 units undergo pre-shipment inspection (PSI). If there is an issue with P4KE11CA-E3/54, 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 P4KE11CA-E3/54 part is unused and in its original packaging.
Return procedure for P4KE11CA-E3/54:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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