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Home > Products > Circuit Protection > Transient Voltage Suppressors (TVS) > TVS Diodes

Vishay General Semiconductor - Diodes Division LCE10A-E3/54

Name: LCE10A-E3/54
Brand: Vishay General Semiconductor - Diodes Division
SKU: LCE10A-E3/54
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: LCE10A-E3/54

Manufacturer:: Vishay General Semiconductor - Diodes Division

Category:: TVS Diodes

Package:: DO-201AA, DO-27, Axial

Datasheet:: LCE10A-E3/54.pdf

Description:: TVS DIODE 10VWM 17VC 1.5KE

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Product details

Overview

LCE10A-E3/54 from Vishay General Semiconductor is a unidirectional transient voltage suppressor (TVS) diode designed for robust overvoltage protection of sensitive electronics. It features a 10.0 V standoff voltage (V_WM), 11.1–12.3 V breakdown voltage (V_BR), 17.0 V clamping voltage at 88 A peak pulse current, 1500 W peak pulse power (10/1000 μs), and operates across –65 °C to +175 °C junction temperature.

For engineers reviewing the LCE10A-E3/54 datasheet, LCE10A-E3/54 pinout, LCE10A-E3/54 application, or LCE10A-E3/54 equivalent, key selection criteria include its low clamping ratio (VC/VBR ≈ 1.45), glass-passivated junction for reliability, UL 497B listing for telecom surge protection, and compatibility with automated SMT placement via E3 matte tin-plated leads in 1.5KE package.

Technical Context

The LCE10A-E3/54 employs an avalanche breakdown mechanism in a unidirectional configuration, enabling fast response (<1 ns) to transient events such as inductive switching spikes or lightning-induced surges. Its 1.5KE molded epoxy package provides mechanical robustness and UL 94 V-0 flammability compliance.

Designed for primary-side surge suppression, it delivers 1500 W peak pulse power with 0.01% duty cycle capability and exhibits low incremental surge resistance - critical for minimizing voltage overshoot during high-current transients. The device is rated for repetitive operation under derated conditions per its power derating curve (Fig. 2).

Key Specifications

Parameter	Value and Actual Design Meaning
V_WM	10.0 V - Maximum continuous reverse operating voltage before conduction begins; sets system-level DC bias margin.
V_BR (min/max)	11.1 V / 12.3 V - Breakdown threshold range at 1 mA test current; defines turn-on consistency across production lot.
V_C @ I_PP	17.0 V at 88 A - Clamped voltage during 10/1000 μs surge; determines maximum stress on downstream ICs.
P_PPM	1500 W - Peak pulse power handling per standard waveform; enables protection against IEC 61000-4-5 Level 4 surges.
Junction Temp Range	–65 °C to +175 °C - Enables deployment in under-hood automotive, industrial motor drives, and telecom base station environments.
Capacitance	100 pF at 0 V - Low enough for signal-line protection without degrading high-speed data integrity (e.g., RS-485, CAN).

Pinout & Package

Package: 1.5KE molded epoxy case (Case Style 1.5KE), DO-201AD outline, RoHS-compliant E3 matte tin-plated leads, polarity indicated by cathode band.

Pin/Terminal	Circuit Role	Design Meaning
Anode	Current entry terminal during forward conduction	Connected to protected line side in unidirectional clamp configuration; must be placed upstream of load.
Cathode	Current exit terminal during reverse-biased clamping	Connected to ground or common reference; color band identifies this terminal for correct PCB orientation.

Key Features

Feature	Design Value
Glass passivated junction	Ensures stable V_BR tolerance and long-term reliability under thermal cycling and humidity exposure.
1500 W peak pulse power (10/1000 μs)	Supports IEC 61000-4-5 surge immunity up to 4 kV (line-earth) without degradation after repeated events.
UL 497B listed	Validated for telecom interface protection including POTS, xDSL, and T1/E1 lines - reduces certification effort.
Low clamping voltage (17.0 V)	Provides tighter voltage margin between V_WM and V_C, improving protection headroom for 12 V rail systems.

Applications

Industrial Motor Drives	Telecom Line Interfaces
Use Scenario: Protection of gate drivers and feedback sensors against inductive kickback from relay coils and solenoid loads. IC Role / Device Role: Primary transient shunt located at power input stage before DC-DC converters and microcontrollers. Use Value: Prevents latch-up or permanent damage to 3.3 V/5 V logic interfaces by limiting transient excursions to ≤17.0 V.	Use Scenario: Surge suppression on analog telephone line (POTS) and xDSL subscriber line cards exposed to lightning-induced surges. IC Role / Device Role: Unidirectional TVS placed in series with line transformer secondary winding. Use Value: Meets UL 497B requirements while maintaining <100 pF capacitance to avoid signal attenuation above 1 MHz.
Automotive Body Control Modules	Consumer Power Adapters
Use Scenario: Input-stage protection for LIN bus transceivers and window lift control circuits subjected to load dump and ISO 7637-2 pulses. IC Role / Device Role: Clamp element connected between battery rail and ground, with cathode to ground. Use Value: Withstands 175 °C junction temperature and maintains clamping performance after 1000+ surge cycles.	Use Scenario: Secondary-side overvoltage protection in AC-DC adapters for USB-C PD and smart home hubs. IC Role / Device Role: Standoff-rated TVS across output capacitor to absorb flyback spikes from transformer leakage inductance. Use Value: 10.0 V V_WM aligns with 12 V nominal output rails; 1500 W rating handles worst-case no-load surge events.

Industrial Motor Drives

Telecom Line Interfaces

Use Scenario: Protection of gate drivers and feedback sensors against inductive kickback from relay coils and solenoid loads.

IC Role / Device Role: Primary transient shunt located at power input stage before DC-DC converters and microcontrollers.

Use Value: Prevents latch-up or permanent damage to 3.3 V/5 V logic interfaces by limiting transient excursions to ≤17.0 V.

Use Scenario: Surge suppression on analog telephone line (POTS) and xDSL subscriber line cards exposed to lightning-induced surges.

IC Role / Device Role: Unidirectional TVS placed in series with line transformer secondary winding.

Use Value: Meets UL 497B requirements while maintaining <100 pF capacitance to avoid signal attenuation above 1 MHz.

Automotive Body Control Modules

Consumer Power Adapters

Use Scenario: Input-stage protection for LIN bus transceivers and window lift control circuits subjected to load dump and ISO 7637-2 pulses.

IC Role / Device Role: Clamp element connected between battery rail and ground, with cathode to ground.

Use Value: Withstands 175 °C junction temperature and maintains clamping performance after 1000+ surge cycles.

Use Scenario: Secondary-side overvoltage protection in AC-DC adapters for USB-C PD and smart home hubs.

IC Role / Device Role: Standoff-rated TVS across output capacitor to absorb flyback spikes from transformer leakage inductance.

Use Value: 10.0 V V_WM aligns with 12 V nominal output rails; 1500 W rating handles worst-case no-load surge events.

Equivalent & Alternatives

The following parts are listed as comparable options for similar transient voltage suppression applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
SMBJ10A	600 W peak pulse power, 10.0 V V_WM, SMB package (smaller footprint, lower thermal mass)	Lower energy handling limits use to sub-2 kV IEC 61000-4-5 applications; unsuitable for telecom primary protection.	Select when board space is constrained and surge threat level is ≤2 kV; verify thermal derating for repeated events.
1.5KE10A	Identical electrical specs and 1.5KE package; differs only in packaging suffix (bulk vs. tape-and-reel) and JEDEC compliance documentation.	No functional difference; both meet UL 497B and operate identically in circuit.	Choose based on logistics preference: LCE10A-E3/54 offers E3 whisker-tested leads and 13" tape-and-reel delivery; 1.5KE10A may be available in alternate reel sizes.

Compared with SMBJ10A and 1.5KE10A, the LCE10A-E3/54 provides identical clamping performance and package form factor as 1.5KE10A but with enhanced process controls (E3 whisker testing, JESD 201 Class 1A), while offering significantly higher surge energy capacity than SMBJ10A - making it suitable for mission-critical telecom and industrial primary protection where 1500 W capability is mandated.

Availability

LCE10A-E3/54 is available at Aetrix Electronics and suitable for industrial motor drives, telecom line interfaces, and automotive body control modules requiring stable component supply and certified surge protection.

Supply support for LCE10A-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, MOSFETs, and protection devices with emphasis on reliability, power efficiency, and AEC-Q200 qualification.

The LCE10A-E3/54 belongs to Vishay's low-capacitance TRANSZORB® TVS family, engineered specifically for high-energy transient suppression in telecom infrastructure, industrial automation, and automotive electronics where UL 497B compliance and 1500 W surge capability are required.

FAQ

What is the clamping voltage of the LCE10A-E3/54 at its rated peak pulse current?

The LCE10A-E3/54 has a maximum clamping voltage (V_C) of 17.0 V at 88 A peak pulse current (I_PP) under the standard 10/1000 μs waveform. This value is measured per Figure 3 in the Vishay datasheet 88357 and defines the upper voltage limit imposed on protected circuitry during surge events. Maintaining V_C below 17.0 V ensures compatibility with 12 V rail systems and prevents overstress of downstream ICs such as microcontrollers or transceivers.

Is the LCE10A-E3/54 suitable for bidirectional signal line protection?

No, the LCE10A-E3/54 is a unidirectional TVS diode and is not suitable for bidirectional signal line protection without external circuitry. For AC or bidirectional applications like RS-485 or CAN bus, two LCE10A-E3/54 devices must be used in series opposition (anode-to-anode or cathode-to-cathode), as shown in Figure 4 of the datasheet. Using a single LCE10A-E3/54 on a bidirectional line would allow conduction only in one polarity, leaving the line unprotected during negative transients.

Does the LCE10A-E3/54 meet UL 497B requirements for telecom surge protection?

Yes, the LCE10A-E3/54 is UL listed under file number E136766 for Telecom Application Protection per UL 497B. This certification confirms its suitability for primary protection on telephone line interfaces, including POTS, xDSL, and T1/E1 circuits. The listing covers the full LCE6.5A–LCE28A family, and the LCE10A-E3/54 meets all applicable dielectric withstand, surge current, and flammability (UL 94 V-0) requirements specified in the standard.

What is the meaning of the "E3/54" suffix in LCE10A-E3/54?

The "E3" suffix indicates RoHS-compliant, matte tin-plated leads that meet JESD 201 Class 1A whisker testing requirements, ensuring long-term solder joint reliability. The "/54" denotes the preferred package code for 13-inch diameter paper tape and reel delivery, with a base quantity of 1400 units per reel. This packaging format supports automated SMT placement and is optimized for high-volume manufacturing environments where traceability and consistent feed performance are critical.

How does the LCE10A-E3/54 compare to standard 1.5KE10A in terms of electrical performance?

The LCE10A-E3/54 and 1.5KE10A share identical electrical specifications - including V_WM = 10.0 V, V_BR = 11.1–12.3 V, V_C = 17.0 V, and P_PPM = 1500 W - and use the same 1.5KE package outline. The distinction lies in process enhancements: LCE10A-E3/54 includes E3 whisker-tested leads and is explicitly documented for UL 497B telecom applications, whereas 1.5KE10A may lack the same level of application-specific validation and lead finish certification.

LCE10A-E3/54 Specifications

Product attributes: Attribute value

Manufacturer:: Vishay General Semiconductor - Diodes Division

Package/Case:: DO-201AA, DO-27, Axial

Series:: TransZorb®

Packaging:: Tape & Reel (TR)

Product Status:: Obsolete

Type:: Zener

Unidirectional Channels:: 1

Bidirectional Channels:: -

Voltage - Reverse Standoff (Typ):: 10V

Voltage - Breakdown (Min):: 11.1V

Voltage - Clamping (Max) @ Ipp:: 17V

Current - Peak Pulse (10/1000µs):: 88A

Power - Peak Pulse:: 1500W (1.5kW)

Power Line Protection:: No

Applications:: General Purpose

Capacitance @ Frequency:: -

Operating Temperature:: -65°C ~ 175°C (TJ)

Grade:: -

Qualification:: -

Mounting Type:: Through Hole

Supplier Device Package:: 1.5KE

LCE10A-E3/54 FAQ

1.How can I place an order for LCE10A-E3/54 through Aetrix?

Please submit a Request for Quotation (RFQ) for LCE10A-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 LCE10A-E3/54 reliable?

The price and inventory of LCE10A-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 LCE10A-E3/54 is usually 5 days.

3.What payment methods are accepted for LCE10A-E3/54?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LCE10A-E3/54 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for LCE10A-E3/54?

LCE10A-E3/54 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your LCE10A-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 LCE10A-E3/54?

For technical support, including LCE10A-E3/54 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LCE10A-E3/54 requirements.

6.How does Aetrix verify that LCE10A-E3/54 is sourced from the original manufacturer or authorized distributors?

All LCE10A-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 LCE10A-E3/54 meets industry standards.

7.What is the process for return or replacement of LCE10A-E3/54?

All LCE10A-E3/54 units undergo pre-shipment inspection (PSI). If there is an issue with LCE10A-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 LCE10A-E3/54 part is unused and in its original packaging.

Return procedure for LCE10A-E3/54:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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