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Vishay General Semiconductor - Diodes Division LCE8.0-E3/73
- Part No.:
- LCE8.0-E3/73
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-201AA, DO-27, Axial
- Datasheet:
-
LCE8.0-E3/73.pdf
- Description:
- TVS DIODE 8VWM 15VC 1.5KE
- Quantity:
- Payment:
- Shipping:
Inventory:5,451
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Product details
Overview
LCE8.0-E3/73 from Vishay General Semiconductor is a unidirectional low-capacitance TRANSZORB® transient voltage suppressor (TVS) diode designed for robust overvoltage protection of sensitive electronics. It features a 8.0 V stand-off voltage (VWM), 8.89–9.83 V breakdown voltage (VBR), 1500 W peak pulse power (10/1000 µs), 13.6 V maximum clamping voltage at 100 A, and operates across –65 °C to +175 °C junction temperature.
For engineers reviewing the LCE8.0-E3/73 datasheet, LCE8.0-E3/73 pinout, LCE8.0-E3/73 application, or LCE8.0-E3/73 equivalent, key selection criteria include clamping performance under 100 A surge, unidirectional polarity for DC line protection, UL 497B listing for telecom applications, RoHS-compliant E3 matte tin plating, and compatibility with J-STD-002 solderability standards.
Technical Context
The LCE8.0-E3/73 employs a glass-passivated silicon junction for stable, repeatable avalanche clamping behavior under transient stress. Its 1.5KE case style supports high-energy surge handling with low incremental surge resistance and fast response time-critical for protecting MOSFET gates, IC inputs, and sensor signal lines against inductive switching spikes and lightning-induced transients.
Designed for unidirectional DC protection, it exhibits ≤100 µA reverse leakage at VWM, 100 pF junction capacitance at 0 V, and meets UL 497B certification for telecom interface protection. Thermal derating follows a linear curve from 6.5 W at TL = 75 °C down to zero at 175 °C junction temperature.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 8.0 V - Maximum continuous reverse operating voltage before clamping initiates |
| VBR (min/max) | 8.89 V / 9.83 V - Breakdown occurs within this range at 1 mA test current, defining turn-on threshold |
| VC @ IPP | 13.6 V at 100 A - Clamped voltage during full 1500 W surge, limiting stress on downstream components |
| PPPM | 1500 W - Peak pulse power handling capability with 10/1000 µs waveform, 0.01% duty cycle |
| Junction Capacitance | 100 pF at 0 V - Low enough for signal integrity preservation in data lines up to ~10 MHz |
| TJ Range | –65 °C to +175 °C - Enables use in automotive under-hood, industrial motor drives, and telecom base stations |
| Polarity | Unidirectional - Protects DC circuits only; cathode marked by color band, anode grounded or connected to supply rail |
Pinout & Package
Package: 1.5KE molded epoxy case (DO-201AD), UL 94 V-0 rated, with matte tin-plated leads compliant with J-STD-002 and JESD 22-B102. Polarity indicated by cathode band.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Low-side connection point | Connected to ground or return path; conducts during transient clamp event |
| Cathode | High-side connection point | Connected to protected line (e.g., VCC, signal input); marked by color band |
Key Features
| Feature | Design Value |
|---|---|
| Glass-passivated junction | Ensures stable VBR tolerance and long-term reliability under repeated surge stress |
| 1500 W peak pulse rating | Withstands high-energy transients common in industrial motor controls and telecom line surges |
| UL 497B certified | Validated for telecom interface protection per industry safety standard, reducing system-level certification effort |
| E3 RoHS-compliant plating | Matte tin finish passes JESD 201 Class 1A whisker test, ensuring solder joint integrity in high-reliability assemblies |
| Low 100 pF capacitance | Minimizes signal distortion on moderate-speed digital or analog sensor lines (e.g., RS-485, CAN, ADC inputs) |
Applications
| Industrial Motor Drives | Telecom Line Interfaces |
|---|---|
Use Scenario: Protection of gate drivers and feedback sensors in variable-frequency drives exposed to inductive kickback from IGBTs. IC Role / Device Role: Unidirectional TVS placed between gate driver output and MOSFET/IGBT gate to clamp negative-going transients. Use Value: Limits gate-source voltage to ≤13.6 V during 100 A surge, preventing gate oxide rupture and ensuring drive reliability. | Use Scenario: Surge protection on POTS or DSL line interfaces in residential gateways and DSLAM equipment. IC Role / Device Role: Primary protection device on tip/ring lines, coordinated with GDTs and series impedance per ITU-T K.20/K.21. Use Value: UL 497B listing validates compliance for telecom infrastructure; 1500 W rating handles lightning-induced surges per IEC 61000-4-5. |
| Automotive Body Control Modules | Consumer Sensor Signal Conditioning |
Use Scenario: Input protection for LIN bus transceivers and load switch controllers in BCMs subjected to ISO 7637-2 pulse 1/2a/5a. IC Role / Device Role: Clamp diode on 12 V supply rail or LIN data line to absorb load dump and inductive switching energy. Use Value: 175 °C max junction temperature supports under-dash mounting; 8.0 V VWM matches nominal 12 V system with margin. | Use Scenario: ESD and surge protection for analog outputs of temperature/humidity sensors in smart thermostats and wearables. IC Role / Device Role: Low-capacitance TVS on sensor output trace to preserve bandwidth while suppressing HBM ±8 kV and IEC 61000-4-2 ±15 kV events. Use Value: 100 pF capacitance avoids loading 10-bit ADC inputs; 13.6 V clamping prevents op-amp saturation during transient 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 |
|---|---|---|---|
| SMBJ8.0A | Same VWM (8.0 V) and VC (13.6 V), but lower PPPM (600 W) and smaller SMB package (3.5 mm × 4.6 mm vs. 5.3 mm × 9.5 mm) | Lower energy handling limits use to sub-100 A surge environments; unsuitable for telecom primary protection | Select when board space is constrained and surge threat level is limited to IEC 61000-4-5 Level 3 (1 kV/2 kA) |
| 1.5KE8.0A | Identical electrical specs and 1.5KE package, but non-RoHS (lead-bearing) and no E3 whisker testing compliance | Lacks JESD 201 Class 1A qualification; not approved for high-reliability or medical-grade production | Acceptable for cost-sensitive industrial prototypes where RoHS and whisker resistance are not mandated |
Compared with SMBJ8.0A and 1.5KE8.0A, the LCE8.0-E3/73 uniquely combines UL 497B certification, E3 whisker-tested plating, and full 1500 W surge capacity in a RoHS-compliant 1.5KE package-making it the preferred choice for telecom infrastructure and automotive-qualified designs requiring validated reliability.
Availability
LCE8.0-E3/73 is available at Aetrix Electronics and suitable for industrial motor drives, telecom line interfaces, and automotive body control modules requiring stable component supply, long-term lifecycle support, and certified surge protection performance.
Supply support for LCE8.0-E3/73 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, TVS devices, and optoelectronics with emphasis on reliability, power handling, and application-specific validation.
The LCE8.0-E3/73 belongs to Vishay's low-capacitance TRANSZORB® TVS family, engineered specifically for high-energy transient suppression in telecom, industrial, and automotive systems where clamping precision, thermal robustness, and safety certification are critical.
FAQ
What is the clamping voltage of the LCE8.0-E3/73 at its rated peak pulse current?
The LCE8.0-E3/73 has a maximum clamping voltage (VC) of 13.6 V at 100 A peak pulse current (IPP), measured using the standardized 10/1000 µs waveform. This value ensures downstream components like microcontrollers or transceivers remain within safe operating voltage limits during surge events. The LCE8.0-E3/73 achieves this clamping performance while maintaining low incremental surge resistance, contributing to consistent transient suppression across its operational lifetime.
Is the LCE8.0-E3/73 suitable for AC signal line protection?
No-the LCE8.0-E3/73 is a unidirectional TVS diode and is not suitable for standalone AC line protection. For AC applications such as telephone or Ethernet lines, two LCE8.0-E3/73 devices must be used in series opposition (anode-to-anode or cathode-to-cathode) to provide bidirectional clamping. The LCE8.0-E3/73 datasheet explicitly states that AC protection requires dual-device configuration, and its UL 497B listing applies only to properly implemented dual arrangements.
Does the LCE8.0-E3/73 meet RoHS and lead-free requirements?
Yes-the LCE8.0-E3/73 carries the E3 suffix, indicating full compliance with RoHS Directive 2011/65/EU and JESD 201 Class 1A whisker resistance testing. Its matte tin-plated leads meet J-STD-002 solderability standards, and the molding compound satisfies UL 94 V-0 flammability requirements. These qualifications make the LCE8.0-E3/73 appropriate for commercial, industrial, and telecom applications with strict environmental and reliability mandates.
What is the maximum operating temperature for the LCE8.0-E3/73 junction?
The LCE8.0-E3/73 has a maximum junction temperature (TJ) rating of +175 °C, with a specified operating range from –65 °C to +175 °C. This wide thermal envelope supports deployment in under-hood automotive electronics, industrial motor drives, and telecom base station power supplies where ambient temperatures exceed 100 °C. Derating begins linearly above 75 °C lead temperature, reaching zero power dissipation at 175 °C.
How does the LCE8.0-E3/73 differ from standard 1.5KE8.0A devices?
The LCE8.0-E3/73 shares identical electrical specifications and 1.5KE package dimensions with generic 1.5KE8.0A parts but adds critical enhancements: UL 497B listing for telecom protection, E3 whisker-tested matte tin plating, and guaranteed low-capacitance performance (100 pF). Standard 1.5KE8.0A variants lack these certifications and process controls, making the LCE8.0-E3/73 the only version qualified for safety-critical telecom infrastructure and high-reliability industrial deployments.
LCE8.0-E3/73 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-201AA, DO-27, Axial
- Series:
- TransZorb®
- Packaging:
- Tape & Box (TB)
- Product Status:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 8V
- Voltage - Breakdown (Min):
- 8.89V
- Voltage - Clamping (Max) @ Ipp:
- 15V
- Current - Peak Pulse (10/1000µs):
- 100A
- 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
LCE8.0-E3/73 FAQ
1.How can I place an order for LCE8.0-E3/73 through Aetrix?
Please submit a Request for Quotation (RFQ) for LCE8.0-E3/73 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 LCE8.0-E3/73 reliable?
The price and inventory of LCE8.0-E3/73 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LCE8.0-E3/73 is usually 5 days.
3.What payment methods are accepted for LCE8.0-E3/73?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LCE8.0-E3/73 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LCE8.0-E3/73?
LCE8.0-E3/73 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LCE8.0-E3/73 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 LCE8.0-E3/73?
For technical support, including LCE8.0-E3/73 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LCE8.0-E3/73 requirements.
6.How does Aetrix verify that LCE8.0-E3/73 is sourced from the original manufacturer or authorized distributors?
All LCE8.0-E3/73 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 LCE8.0-E3/73 meets industry standards.
7.What is the process for return or replacement of LCE8.0-E3/73?
All LCE8.0-E3/73 units undergo pre-shipment inspection (PSI). If there is an issue with LCE8.0-E3/73, 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 LCE8.0-E3/73 part is unused and in its original packaging.
Return procedure for LCE8.0-E3/73:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
LCE8.0-E3/73 Tags
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