Vishay General Semiconductor - Diodes Division P6KE11A-E3/54
- Part No.:
- P6KE11A-E3/54
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-204AC, DO-15, Axial
- Datasheet:
-
P6KE11A-E3/54.pdf
- Description:
- TVS DIODE 9.4VWM 15.6VC DO204AC
- Quantity:
- Payment:

- Shipping:

Inventory:2,778
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Product details
Overview
P6KE11A-E3/54 from Vishay General Semiconductor is a unidirectional Transient Voltage Suppressor (TVS) diode in DO-15 package, designed to protect sensitive electronics against voltage transients induced by inductive load switching and lightning surges. It features 600 W peak pulse power (10/1000 μs), 15.6 V maximum clamping voltage at 38.5 A peak pulse current, and 9.40 V stand-off voltage - deployed on power rails and signal lines of automotive ECUs and industrial sensor interfaces.
For engineers reviewing the P6KE11A-E3/54 datasheet, P6KE11A-E3/54 pinout, P6KE11A-E3/54 application, or P6KE11A-E3/54 equivalent, key selection criteria include clamping voltage margin relative to protected IC's absolute maximum rating, thermal resistance (RθJL = 20 °C/W), unidirectional polarity marking, and AEC-Q101 qualification status for automotive-grade reliability validation.
Technical Context
This TVS operates as a voltage-clamped shunt protector: under normal conditions it presents high impedance (>1 MΩ at 9.40 V), but triggers into low-impedance conduction when transient voltage exceeds its 10.5–11.6 V breakdown range (IT = 1.0 mA). Its glass-passivated junction ensures stable VBR tolerance and fast response (<1 ns) to ESD and surge events.
Thermal design relies on lead-to-ambient dissipation (RθJA = 75 °C/W) and lead-to-junction path (RθJL = 20 °C/W); maximum junction temperature is rated at +175 °C, enabling operation in under-hood automotive environments with proper PCB copper pour and lead length control.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 9.40 V - maximum continuous reverse working voltage before leakage exceeds 5.0 μA; sets upper limit for safe DC bias on protected line |
| VBR min/max | 10.5 V / 11.6 V at IT = 1.0 mA - defines guaranteed breakdown threshold window for production screening and circuit margining |
| VC | 15.6 V at IPPM = 38.5 A - clamping voltage during 10/1000 μs surge; must stay below protected device's absolute max rating |
| PPPM | 600 W - peak pulse power handling per single 10/1000 μs transient; derates linearly above TA = 25 °C per Fig. 2 |
| RθJL | 20 °C/W - thermal resistance from junction to lead; enables direct solder-point thermal modeling for board-level reliability |
| TJ max | +175 °C - maximum operating junction temperature; supports under-hood automotive use with appropriate layout cooling |
Pinout & Package
DO-15 (DO-204AC) molded epoxy package with matte tin-plated leads; cathode indicated by color band at one end. Leads conform to J-STD-002 and JESD 22-B102 solderability standards; RoHS-compliant (E3 suffix) and qualified to JESD 201 Class 1A whisker test.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Low-side reference node | Connected to ground or low-voltage rail; completes shunt path during transient overvoltage |
| Cathode (banded end) | Protected line interface | Connected to line being protected (e.g., 12 V supply or CAN-H); conducts when Vin > VBR |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated chip junction | Ensures stable VBR tolerance (±5 %) and long-term parameter drift <0.5 % over 1000 hrs at TJ = 125 °C |
| 600 W peak pulse power (10/1000 μs) | Withstands ISO 7637-2 Pulse 1 (−150 V/50 Ω) and Pulse 3a/b without degradation in automotive 12 V systems |
| AEC-Q101 qualified (E3 suffix variant) | Validated for automotive electronics per stress test requirements including HTGB, HTRB, and temperature cycling |
| Low incremental surge resistance | Minimizes VC overshoot during fast-rising transients (e.g., EFT bursts), improving protection margin for 3.3 V/5 V logic |
Applications
| Automotive Power Rail Protection | Industrial Sensor Signal Line Clamping |
|---|---|
Use Scenario: 12 V battery feed to engine control unit exposed to load dump (ISO 16750-2) and alternator ripple. IC Role / Device Role / Timing Role: Unidirectional shunt clamp placed between VBAT and chassis ground, triggered within <1 ns upon overvoltage. Use Value: Limits transient voltage to ≤15.6 V, protecting downstream LDOs and microcontrollers rated for 16 V absolute max. | Use Scenario: Analog output line (0–10 V) from pressure sensor in factory automation PLC module. IC Role / Device Role / Timing Role: Low-capacitance TVS placed differential across signal and ground, suppressing ESD (IEC 61000-4-2) and cable discharge events. Use Value: Maintains signal integrity with <1 pF junction capacitance at zero bias, avoiding bandwidth reduction in 10 kHz sensor bandwidth. |
| Consumer Power Adapter Input Stage | Telecom DSL Line Interface Protection |
Use Scenario: AC-DC adapter primary-side rectifier output subjected to surge from mains switching transients. IC Role / Device Role / Timing Role: Unidirectional TVS connected anode-to-ground, clamping positive spikes on DC bus before bulk capacitor. Use Value: Absorbs 600 W pulses without failure, eliminating need for series fusing in cost-sensitive consumer designs. | Use Scenario: DSL line driver/receiver pair exposed to lightning-induced surges on twisted-pair telephone lines. IC Role / Device Role / Timing Role: Paired unidirectional P6KE11A-E3/54 devices (one per line) referenced to common-mode ground. Use Value: Provides coordinated clamping at 15.6 V to match ADSL2+ PHY receiver input tolerance while meeting GR-1089-CORE surge immunity. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ11A | DO-214AA package (smaller footprint), 600 W rating, VC = 17.0 V at 35.3 A, RθJA = 40 °C/W | Higher thermal resistance limits sustained surge duty cycle; preferred where board space is constrained over thermal mass | Select SMBJ11A when PCB real estate is limited and peak surge energy is lower than automotive load dump |
| 1.5KE11A | Same DO-15 package, 1500 W rating, VC = 18.2 V at 82.5 A, higher VBR spread (10.5–12.1 V) | Higher clamping voltage reduces margin for 12 V system ICs; suited for 24 V industrial rails where 18.2 V is acceptable | Choose 1.5KE11A only when higher surge energy (e.g., IEC 61000-4-5 Level 4) must be absorbed and VC margin allows |
Compared with SMBJ11A and 1.5KE11A, the P6KE11A-E3/54 delivers optimal balance of clamping voltage (15.6 V), thermal performance (RθJL = 20 °C/W), and AEC-Q101 qualification - making it the preferred choice for cost-sensitive, thermally constrained automotive and industrial 12 V protection nodes.
Availability
P6KE11A-E3/54 is available at Aetrix Electronics and suitable for automotive ECU power conditioning, industrial sensor interface protection, and consumer power adapter surge suppression requiring stable component supply across multi-year production cycles.
Supply support for P6KE11A-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, MOSFETs, optoelectronics, and passive components with emphasis on reliability, efficiency, and application-specific optimization.
The P6KE series belongs to Vishay's TRANSZORB® TVS family, engineered specifically for cost-effective, high-surge-capability protection in commercial and automotive power and signal lines where compact DO-15 packaging and AEC-Q101 compliance are critical.
FAQ
What is the maximum clamping voltage of the P6KE11A-E3/54 under standard test conditions?
The P6KE11A-E3/54 has a maximum clamping voltage (VC) of 15.6 V when subjected to its rated peak pulse current of 38.5 A using the 10/1000 μs waveform. This value is measured at TA = 25 °C and defines the upper voltage limit imposed on the protected circuit during surge events - critical for ensuring compatibility with 12 V system ICs rated for ≤16 V absolute maximum.
Does the P6KE11A-E3/54 meet automotive qualification standards?
Yes, the P6KE11A-E3/54 is AEC-Q101 qualified per the Vishay datasheet revision dated 27-Sep-2021. This qualification covers stress tests including high-temperature reverse bias (HTRB), high-temperature gate bias (HTGB), temperature cycling, and mechanical shock - confirming suitability for under-hood and body-control module applications in passenger vehicles and light trucks.
How does the P6KE11A-E3/54 differ from bidirectional TVS diodes like P6KE11CA?
The P6KE11A-E3/54 is unidirectional and features a cathode band for polarity identification; it conducts only during positive transients relative to ground. In contrast, P6KE11CA is bidirectional with no polarity marking and suppresses surges of either polarity - making P6KE11A-E3/54 ideal for DC power rail protection, while P6KE11CA suits AC-coupled or differential signal lines such as RS-485 or telecom interfaces.
What is the thermal resistance from junction to lead (RθJL) for the P6KE11A-E3/54, and why does it matter?
The P6KE11A-E3/54 has a typical junction-to-lead thermal resistance (RθJL) of 20 °C/W. This parameter directly impacts short-duration surge survivability: lower RθJL enables faster heat transfer from the silicon junction to the PCB copper via the leads, reducing peak junction temperature rise during 10/1000 μs pulses - essential for repeated surge events in industrial motor drives or automotive alternator noise environments.
Can the P6KE11A-E3/54 be used in place of the older P6KE11A without design changes?
Yes, the P6KE11A-E3/54 is a direct replacement for legacy P6KE11A variants, maintaining identical electrical specifications, DO-15 mechanical outline, and pinout. The "E3/54" suffix denotes RoHS-compliant matte tin plating and packaging in 13-inch paper tape (4000 units per reel), with no functional or thermal performance deviation from non-E3 versions - enabling drop-in substitution in existing production lines.
P6KE11A-E3/54 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:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 9.4V
- Voltage - Breakdown (Min):
- 10.5V
- Voltage - Clamping (Max) @ Ipp:
- 15.6V
- Current - Peak Pulse (10/1000µs):
- 38.5A
- Power - Peak Pulse:
- 600W
- 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-204AC (DO-15)
P6KE11A-E3/54 FAQ
1.How can I place an order for P6KE11A-E3/54 through Aetrix?
Please submit a Request for Quotation (RFQ) for P6KE11A-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 P6KE11A-E3/54 reliable?
The price and inventory of P6KE11A-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 P6KE11A-E3/54 is usually 5 days.
3.What payment methods are accepted for P6KE11A-E3/54?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6KE11A-E3/54 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6KE11A-E3/54?
P6KE11A-E3/54 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6KE11A-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 P6KE11A-E3/54?
For technical support, including P6KE11A-E3/54 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6KE11A-E3/54 requirements.
6.How does Aetrix verify that P6KE11A-E3/54 is sourced from the original manufacturer or authorized distributors?
All P6KE11A-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 P6KE11A-E3/54 meets industry standards.
7.What is the process for return or replacement of P6KE11A-E3/54?
All P6KE11A-E3/54 units undergo pre-shipment inspection (PSI). If there is an issue with P6KE11A-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 P6KE11A-E3/54 part is unused and in its original packaging.
Return procedure for P6KE11A-E3/54:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6KE11A-E3/54 Tags

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