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

Vishay General Semiconductor - Diodes Division LCE16A-E3/54

Name: LCE16A-E3/54
Brand: Vishay General Semiconductor - Diodes Division
SKU: LCE16A-E3/54
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: LCE16A-E3/54

Manufacturer:: Vishay General Semiconductor - Diodes Division

Category:: TVS Diodes

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

Datasheet:: LCE16A-E3/54.pdf

Description:: TVS DIODE 16VWM 26VC 1.5KE

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Product details

Overview

LCE16A-E3/54 from Vishay General Semiconductor is a unidirectional low-capacitance TRANSZORB® transient voltage suppressor (TVS) diode designed for robust overvoltage protection of sensitive signal lines. It features a 16.0 V stand-off voltage (V_WM), 17.8–19.7 V breakdown voltage (V_BR), 1500 W peak pulse power (10/1000 µs), 26.0 V maximum clamping voltage at 57 A, and operates across –65 °C to +175 °C junction temperature.

For engineers reviewing the LCE16A-E3/54 datasheet, LCE16A-E3/54 pinout, LCE16A-E3/54 application, or LCE16A-E3/54 equivalent, key selection criteria include its 1.5KE package compatibility, UL 497B listing for telecom surge protection, unidirectional polarity with cathode band marking, and verified 100 pF junction capacitance at 0 V - critical for high-speed data line protection.

Technical Context

The LCE16A-E3/54 employs a glass-passivated silicon junction for stable, repeatable clamping performance under repetitive surge conditions. Its 10/1000 µs waveform response delivers 1500 W peak pulse power with 0.01 % duty cycle, and it exhibits low incremental surge resistance to minimize voltage overshoot during fast transients.

Designed for unidirectional DC-line protection, it provides precise voltage standoff and tight V_BR tolerance (±5 % typical), enabling reliable coordination with downstream ICs such as MOSFET gate drivers or sensor interface circuits without false triggering under normal operating conditions.

Key Specifications

Parameter	Value and Actual Design Meaning
V_WM	16.0 V - Maximum continuous reverse working voltage before conduction begins; sets safe operating margin above system DC rail.
V_BR (min/max)	17.8 V / 19.7 V - Breakdown occurs within this range at 1.0 mA test current; ensures predictable turn-on threshold.
V_C @ I_PPM	26.0 V at 57 A - Clamped voltage during full 1500 W surge; defines worst-case stress on protected circuitry.
Junction Capacitance	100 pF at 0 V - Low enough for USB 2.0, RS-485, and CAN FD signal integrity preservation.
Package	1.5KE - Industry-standard axial-leaded DO-201AD outline; compatible with legacy PCB footprints and automated insertion.
Polarity	Unidirectional - Cathode marked by color band; used for DC-biased lines where reverse conduction is not required.
UL Recognition	UL 497B listed (E136766) - Validated for telecom primary-side surge protection per industry safety standard.

Pinout & Package

Package: 1.5KE (DO-201AD), axial-leaded, molded epoxy body with matte tin-plated leads compliant to J-STD-002 and JESD 22-B102; RoHS-compliant (E3 suffix), UL 94 V-0 rated.

Pin/Terminal	Circuit Role	Design Meaning
Anode	Low-side connection point	Connected to ground or low-impedance return path; carries surge current to reference plane during clamping.
Cathode	High-side connection point	Marked by color band; connected to protected line; blocks reverse leakage up to V_WM, conducts when V_BR exceeded.

Key Features

Feature	Design Value
Glass-passivated junction	Ensures long-term stability and low parameter drift across thermal cycling and humidity exposure.
1500 W peak pulse power (10/1000 µs)	Withstands IEC 61000-4-5 Level 4 surges (4 kV line-to-earth) without degradation in standard layouts.
100 pF junction capacitance	Minimizes signal distortion on 10–50 Mbps serial buses including RS-232, RS-485, and industrial Ethernet PHY interfaces.
UL 497B certification	Validates suitability for telecom central office and DSLAM equipment requiring third-party safety compliance.
175 °C max junction temperature	Supports operation in enclosed industrial enclosures or automotive under-hood environments without derating.

Applications

Industrial Sensor Interface	Telecom Line Card Protection
Use Scenario: Protecting analog output lines (4–20 mA) and digital I/O of PLC modules from switching transients in factory automation cabinets. IC Role / Device Role / Timing Role: Unidirectional TVS placed between signal line and chassis ground to clamp EFT bursts and inductive kickback. Use Value: 26.0 V clamping voltage ensures downstream op-amps and ADCs remain below absolute maximum ratings during 1 kV/500 A surge events.	Use Scenario: Safeguarding xDSL line drivers and SLIC interfaces against lightning-induced surges on telephone line inputs. IC Role / Device Role / Timing Role: Primary-level surge protector mounted at line entry, coordinated with gas discharge tube (GDT) front-end. Use Value: UL 497B listing and 1500 W rating meet GR-1089-CORE requirements for central office equipment survivability.
Automotive Body Control Module	USB Host Port Protection
Use Scenario: Shielding LIN bus transceivers and window motor drivers from load dump and ISO 7637-2 Pulse 5a transients. IC Role / Device Role / Timing Role: Unidirectional TVS on 12 V supply rail and LIN signal line, leveraging high T_J rating for under-dash mounting. Use Value: 175 °C max junction temperature enables direct placement near heat-generating relays without thermal derating.	Use Scenario: Guarding USB 2.0 D+ and D− lines against ESD and cable discharge events in embedded host controllers. IC Role / Device Role / Timing Role: Low-capacitance TVS placed immediately adjacent to connector, grounded via short trace to minimize inductance. Use Value: 100 pF capacitance avoids signal rise/fall time degradation while meeting IEC 61000-4-2 ±15 kV contact discharge immunity.

Industrial Sensor Interface

Telecom Line Card Protection

Use Scenario: Protecting analog output lines (4–20 mA) and digital I/O of PLC modules from switching transients in factory automation cabinets.

IC Role / Device Role / Timing Role: Unidirectional TVS placed between signal line and chassis ground to clamp EFT bursts and inductive kickback.

Use Value: 26.0 V clamping voltage ensures downstream op-amps and ADCs remain below absolute maximum ratings during 1 kV/500 A surge events.

Use Scenario: Safeguarding xDSL line drivers and SLIC interfaces against lightning-induced surges on telephone line inputs.

IC Role / Device Role / Timing Role: Primary-level surge protector mounted at line entry, coordinated with gas discharge tube (GDT) front-end.

Use Value: UL 497B listing and 1500 W rating meet GR-1089-CORE requirements for central office equipment survivability.

Automotive Body Control Module

USB Host Port Protection

Use Scenario: Shielding LIN bus transceivers and window motor drivers from load dump and ISO 7637-2 Pulse 5a transients.

IC Role / Device Role / Timing Role: Unidirectional TVS on 12 V supply rail and LIN signal line, leveraging high T_J rating for under-dash mounting.

Use Value: 175 °C max junction temperature enables direct placement near heat-generating relays without thermal derating.

Use Scenario: Guarding USB 2.0 D+ and D− lines against ESD and cable discharge events in embedded host controllers.

IC Role / Device Role / Timing Role: Low-capacitance TVS placed immediately adjacent to connector, grounded via short trace to minimize inductance.

Use Value: 100 pF capacitance avoids signal rise/fall time degradation while meeting IEC 61000-4-2 ±15 kV contact discharge immunity.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
SMBJ16A	DO-214AA package (SMB), 600 W rating, 23.2 V clamping at 26.1 A	Lower power handling; suited for space-constrained PCBs where 1500 W is not required	Select SMBJ16A only if board area is critical and surge threat level is ≤ IEC 61000-4-5 Level 2.
1.5KE16A	Same 1.5KE package and electrical specs; differs only in packaging suffix (bulk vs. tape/reel) and RoHS status (non-E3)	No functional difference; identical clamping, V_WM, and thermal performance	Choose 1.5KE16A only for non-RoHS legacy builds; LCE16A-E3/54 is preferred for new designs requiring RoHS and whisker-resistant terminations.

Compared with SMBJ16A and 1.5KE16A, the LCE16A-E3/54 offers certified RoHS compliance (E3), JESD 201 Class 1A whisker resistance, and UL 497B listing - making it the optimal choice for telecom and industrial applications demanding full regulatory alignment and long-term reliability.

Availability

LCE16A-E3/54 is available at Aetrix Electronics and suitable for industrial sensor interface, telecom line card protection, and automotive body control module applications requiring stable component supply, consistent parametric performance, and full regulatory documentation support.

Supply support for LCE16A-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, ruggedness, and application-specific validation.

The LCE16A-E3/54 belongs to Vishay's low-capacitance TRANSZORB® TVS family, engineered specifically for high-speed signal line protection in telecom, industrial, and automotive systems where ESD and surge immunity must coexist with signal fidelity.

FAQ

What is the maximum clamping voltage of the LCE16A-E3/54 under a 10/1000 µs surge?

The LCE16A-E3/54 has a maximum clamping voltage (V_C) of 26.0 V at 57 A peak pulse current, measured under the standardized 10/1000 µs waveform. This value defines the upper voltage limit imposed on protected circuitry during full-rated surge events and is confirmed in the Electrical Characteristics table of Vishay document 88357.

Is the LCE16A-E3/54 RoHS compliant and halogen-free?

Yes, the LCE16A-E3/54 is RoHS-compliant per Directive 2011/65/EU (E3 suffix), and meets JEDEC JS709A halogen-free requirements. The matte tin-plated leads also pass JESD 201 Class 1A whisker testing, ensuring long-term solder joint integrity in high-reliability applications.

Can the LCE16A-E3/54 be used for bidirectional signal line protection?

No, the LCE16A-E3/54 is unidirectional only, with polarity indicated by a cathode band. For AC or bidirectional signal lines (e.g., RS-485, USB), two LCE16A-E3/54 units must be connected in series opposition - or a dedicated bidirectional part like the LCE16CA should be selected instead.

What is the junction capacitance of the LCE16A-E3/54 and why does it matter?

The LCE16A-E3/54 has a maximum junction capacitance of 100 pF at 0 V, measured per the datasheet. This low value prevents excessive signal attenuation or timing skew on high-speed lines such as USB 2.0 or RS-485, preserving data integrity without requiring additional impedance matching.

Does the LCE16A-E3/54 require a heatsink for continuous power dissipation?

No, the LCE16A-E3/54 is rated for 6.5 W power dissipation on an infinite heatsink at TL = 75 °C, but it is intended for transient-only operation. Under normal conditions, it dissipates negligible power; heatsinking is unnecessary unless subjected to frequent repetitive surges exceeding 0.01 % duty cycle.

LCE16A-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):: 16V

Voltage - Breakdown (Min):: 17.8V

Voltage - Clamping (Max) @ Ipp:: 26V

Current - Peak Pulse (10/1000µs):: 57A

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

LCE16A-E3/54 FAQ

1.How can I place an order for LCE16A-E3/54 through Aetrix?

Please submit a Request for Quotation (RFQ) for LCE16A-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 LCE16A-E3/54 reliable?

The price and inventory of LCE16A-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 LCE16A-E3/54 is usually 5 days.

3.What payment methods are accepted for LCE16A-E3/54?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LCE16A-E3/54 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for LCE16A-E3/54?

LCE16A-E3/54 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your LCE16A-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 LCE16A-E3/54?

For technical support, including LCE16A-E3/54 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LCE16A-E3/54 requirements.

6.How does Aetrix verify that LCE16A-E3/54 is sourced from the original manufacturer or authorized distributors?

All LCE16A-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 LCE16A-E3/54 meets industry standards.

7.What is the process for return or replacement of LCE16A-E3/54?

All LCE16A-E3/54 units undergo pre-shipment inspection (PSI). If there is an issue with LCE16A-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 LCE16A-E3/54 part is unused and in its original packaging.

Return procedure for LCE16A-E3/54:

1.Submit a request within 90 days.

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

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