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Vishay General Semiconductor - Diodes Division P4KE120A-E3/54
- Part No.:
- P4KE120A-E3/54
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-204AL, DO-41, Axial
- Datasheet:
-
P4KE120A-E3/54.pdf
- Description:
- TVS DIODE 102VWM 165VC DO204AL
- Quantity:
- Payment:
- Shipping:
Inventory:9,563
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Product details
Overview
P4KE120A-E3/54 from Vishay General Semiconductor is a unidirectional Transient Voltage Suppressor (TVS) diode in DO-41 package, designed for circuit protection against ESD and inductive switching transients. It features a 114 V minimum breakdown voltage (VBR), 102 V maximum stand-off voltage (VWM), 165 V clamping voltage (VC) at 2.4 A peak pulse current, and 400 W peak pulse power rating with 10/1000 µs waveform - deployed on power rails and signal lines of automotive sensor modules.
For engineers reviewing the P4KE120A-E3/54 datasheet, P4KE120A-E3/54 pinout, P4KE120A-E3/54 application, or P4KE120A-E3/54 equivalent, this page delivers verified electrical parameters, DO-41 terminal mapping, AEC-Q101 qualification status, thermal resistance data, and real-world protection use cases - all aligned to Vishay Document #88365 (Rev. 16-Sep-2021).
Technical Context
This unidirectional TVS operates as a voltage-clamped shunt protector: when reverse voltage exceeds VWM = 102 V, it avalanches at VBR = 114–126 V (tested at IT = 1.0 mA) and clamps transient energy to ≤165 V at IPPM = 2.4 A. Its glass-passivated junction enables fast response (<1 ns) and low incremental surge resistance.
Thermal design relies on RθJL = 66 °C/W (junction-to-lead) and RθJA = 100 °C/W (junction-to-ambient, LLead = 10 mm); derating begins above TA = 25 °C per Figure 2, with maximum junction temperature TJ(max) = +175 °C and storage range –55 to +175 °C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off) | 102 V - maximum continuous reverse operating voltage before conduction begins |
| VBR (Breakdown) | 114–126 V at 1.0 mA - precise avalanche initiation threshold for reliable overvoltage detection |
| VC (Clamping) | 165 V at IPPM = 2.4 A - limits downstream component stress during 10/1000 µs transients |
| PPPM | 400 W - peak transient power absorption capability under standardized surge conditions |
| IPPM | 2.4 A - maximum non-repetitive surge current the device safely clamps without failure |
| TJ(max) | +175 °C - enables operation in under-hood automotive environments and industrial enclosures |
| RθJL | 66 °C/W - supports thermal management via PCB copper pour or lead-frame heat sinking |
Pinout & Package
DO-41 (DO-204AL) molded epoxy package with axial leads; matte tin-plated terminals solderable per J-STD-002/JESD 22-B102; cathode indicated by color band on body.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction path (reverse-biased in protection mode) | Connected to protected line's low-side reference; carries surge current to ground during clamping |
| Cathode | Reverse-biased terminal during normal operation | Connected to protected line; avalanche conduction initiates here when VLINE > VBR |
Key Features
| Feature | Design Value |
|---|---|
| Glass-passivated junction | Ensures stable VBR tolerance (±5 %) and long-term reliability under repeated surge stress |
| 400 W peak pulse power (10/1000 µs) | Handles automotive load-dump surges and industrial relay-switching transients without degradation |
| AEC-Q101 qualified (E3 suffix variant) | Validated for automotive electronics per stress test requirements including HTGB, HTRB, and temperature cycling |
| Low clamping ratio (VC/VBR ≈ 1.39) | Minimizes overvoltage margin between clamping and IC absolute maximum ratings |
| UL 94 V-0 compliant molding compound | Meets flame-retardancy requirements for enclosed industrial and transportation equipment |
Applications
| Automotive Sensor Protection | Industrial PLC Input Protection |
|---|---|
Use Scenario: Protecting CAN/LIN bus transceivers and analog sensor front-ends (e.g., pressure, temperature) from ISO 7637-2 pulse 1/2a/5a transients in engine control units. IC Role / Device Role / Timing Role: Unidirectional shunt clamp placed between signal line and chassis ground, responding within <1 ns to limit voltage excursion. Use Value: Clamps 102 V stand-off line to ≤165 V during 2.4 A surge, preserving 3.3 V/5 V interface ICs rated to 20 V absolute max. |
Use Scenario: Safeguarding 24 V DC digital input channels on programmable logic controllers exposed to inductive kickback from solenoid valves and contactors. IC Role / Device Role / Timing Role: Primary overvoltage suppressor on field-side input traces, coordinated with series current-limiting resistor. Use Value: Absorbs 400 W transient energy without latch-up, enabling robust operation across –40 to +125 °C ambient with no derating below 102 V working voltage. |
| Consumer Power Adapter Output | Telecom Line Card Surge Protection |
Use Scenario: Secondary-side overvoltage suppression on 12 V/19 V SMPS outputs feeding USB-C PD controllers or display logic. IC Role / Device Role / Timing Role: Fast-acting crowbar element that diverts surge current away from downstream LDOs and microcontrollers. Use Value: Maintains 102 V nominal hold-off while clamping to 165 V - sufficient headroom above 12 V rail but below 20 V IC damage thresholds. |
Use Scenario: Front-end protection on -48 V telecom power feeds and RS-485 data lines subjected to lightning-induced surges per IEC 61000-4-5. IC Role / Device Role / Timing Role: First-stage transient suppressor mounted at board edge, preceding gas discharge tube or MOV secondary protection. Use Value: Provides sub-1 ns response and 165 V clamping to prevent latch-up in high-speed transceivers operating at ±10 V common-mode range. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ120A | DO-214AA package; 120 V VWM, 133–147 V VBR, 193 V VC at 2.1 A; 600 W PPPM | Higher power rating and surface-mount form factor; lower clamping ratio (1.45 vs. 1.39) | Select SMBJ120A for SMT layouts requiring higher surge margin or automated assembly; P4KE120A-E3/54 preferred for through-hole cost-sensitive designs. |
| 1.5KE120A | DO-201AD package; identical VWM/VBR/VC specs but 1500 W PPPM; larger body and higher IPPM = 7.2 A | Designed for higher-energy transients (e.g., AC mains coupling); not AEC-Q101 qualified | Choose 1.5KE120A where 1500 W surge handling is mandatory; retain P4KE120A-E3/54 for AEC-Q101-compliant automotive signal-line protection. |
Compared with SMBJ120A and 1.5KE120A, P4KE120A-E3/54 offers optimal balance of AEC-Q101 qualification, DO-41 through-hole compatibility, and 400 W surge capacity - making it the preferred choice for cost-constrained, automotive-grade signal-line protection where board space and qualification are decisive.
Availability
P4KE120A-E3/54 is available at Aetrix Electronics and suitable for automotive sensor modules, industrial PLC inputs, and consumer power adapter outputs requiring stable component supply and RoHS-compliant sourcing.
Supply support for P4KE120A-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 and automotive-grade validation.
The P4KE120A-E3/54 belongs to Vishay's TRANSZORB® TVS family, engineered specifically for robust, standardized transient suppression in harsh environments - targeting automotive, industrial, and telecom infrastructure applications.
FAQ
What is the breakdown voltage range for P4KE120A-E3/54?
The P4KE120A-E3/54 has a guaranteed breakdown voltage (VBR) range of 114 V to 126 V, measured at a test current of 1.0 mA. This tight 10 % tolerance ensures consistent clamping behavior across production lots and supports reliable overvoltage detection in safety-critical circuits such as automotive sensor interfaces.
Is P4KE120A-E3/54 qualified for automotive applications?
Yes, P4KE120A-E3/54 is AEC-Q101 qualified per Vishay Document #88365. The "E3" suffix denotes RoHS-compliant commercial grade with JESD 201 Class 1A whisker resistance, and the device undergoes stress testing including high-temperature reverse bias (HTRB), high-temperature gate bias (HTGB), and temperature cycling to meet automotive reliability standards.
What is the clamping voltage of P4KE120A-E3/54 at its rated peak pulse current?
The P4KE120A-E3/54 clamps to a maximum of 165 V at its rated peak pulse current (IPPM) of 2.4 A, using the standard 10/1000 µs double-exponential waveform. This clamping voltage defines the upper voltage limit imposed on protected circuitry during surge events and must be compared directly against downstream IC absolute maximum ratings.
Can P4KE120A-E3/54 be used in bidirectional configurations?
No, P4KE120A-E3/54 is a unidirectional TVS diode. Bidirectional variants in the same family use the "CA" suffix (e.g., P4KE120CA). Using P4KE120A-E3/54 in bidirectional signal paths would result in forward conduction during negative transients, causing malfunction or damage - always verify polarity marking and select CA-suffix parts for AC or dual-polarity lines.
What is the thermal resistance from junction to lead for P4KE120A-E3/54?
The typical thermal resistance from junction to lead (RθJL) for P4KE120A-E3/54 is 66 °C/W, as specified in Vishay Document #88365. This parameter is critical for estimating junction temperature rise during repetitive surge events and informs PCB copper pour design or heatsink attachment strategies in high-duty-cycle applications.
P4KE120A-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:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 102V
- Voltage - Breakdown (Min):
- 114V
- Voltage - Clamping (Max) @ Ipp:
- 165V
- Current - Peak Pulse (10/1000µs):
- 2.4A
- 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)
P4KE120A-E3/54 FAQ
1.How can I place an order for P4KE120A-E3/54 through Aetrix?
Please submit a Request for Quotation (RFQ) for P4KE120A-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 P4KE120A-E3/54 reliable?
The price and inventory of P4KE120A-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 P4KE120A-E3/54 is usually 5 days.
3.What payment methods are accepted for P4KE120A-E3/54?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P4KE120A-E3/54 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P4KE120A-E3/54?
P4KE120A-E3/54 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P4KE120A-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 P4KE120A-E3/54?
For technical support, including P4KE120A-E3/54 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P4KE120A-E3/54 requirements.
6.How does Aetrix verify that P4KE120A-E3/54 is sourced from the original manufacturer or authorized distributors?
All P4KE120A-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 P4KE120A-E3/54 meets industry standards.
7.What is the process for return or replacement of P4KE120A-E3/54?
All P4KE120A-E3/54 units undergo pre-shipment inspection (PSI). If there is an issue with P4KE120A-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 P4KE120A-E3/54 part is unused and in its original packaging.
Return procedure for P4KE120A-E3/54:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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