Overview
The 1.5KE120A-TB is a Transient Voltage Suppression (TVS) diode produced by Littelfuse Inc. This component is specifically designed to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. The 1.5KE series, to which the 1.5KE120A-TB belongs, is known for its high peak pulse power capability and fast response time, making it ideal for various applications in telecom, computer, industrial, and consumer electronics.
Key Specifications
| Property | Value |
|---|---|
| VR (Vso) | 102 V |
| Watts (W) | 1500 W |
| IPP 10x1000µs (A) | 9.2 A |
| MIN VBR@IT (V) | 114 V |
| MAX VBR@IT (V) | 126 V |
| Vc (V) | 165 V |
| IT (mA) | 1 mA |
| Ir@Vr (µA) | 1 µA |
| Operating Temperature Max (°C) | 175 °C |
| Polarity | Unipolar |
| Package | DO-201 |
| Peak Pulse Power - 10x1000 (W) | 1500 W (1.5 kW) |
| Surge Life | 9.2 |
| Tolerance % | 5% |
Key Features
- 1.5 kW peak pulse capability at 10/1000μs waveform, with a repetition rate (duty cycles) of 0.01%.
- Glass passivated chip junction in DO-201 package.
- Fast response time: typically less than 1.0 ps from 0 Volts to BV min.
- Excellent clamping capability.
- Typical failure mode is short from over-specified voltage or current.
- Whisker test conducted based on JEDEC JESD201A per its table 4a and 4c.
- ESD protection of data lines in accordance with IEC 61000-4-2 (30 kV Air, 30 kV Contact).
- EFT protection of data lines in accordance with IEC 61000-4-4.
- Low incremental surge resistance.
Applications
The 1.5KE120A-TB TVS diode is ideal for protecting I/O interfaces, VCC bus, and other vulnerable circuits in various applications, including:
- Telecom equipment
- Computer systems
- Industrial electronics
- Consumer electronics
Q & A
- What is the peak pulse power capability of the 1.5KE120A-TB?
The 1.5KE120A-TB has a peak pulse power capability of 1500 W (1.5 kW) at 10/1000μs waveform.
- What is the package type of the 1.5KE120A-TB?
The 1.5KE120A-TB is packaged in a DO-201 axial lead package.
- What is the operating temperature range of the 1.5KE120A-TB?
The operating temperature range is from -55°C to 175°C.
- What is the maximum clamping voltage of the 1.5KE120A-TB?
The maximum clamping voltage is 165 V.
- Does the 1.5KE120A-TB provide ESD protection?
Yes, it provides ESD protection in accordance with IEC 61000-4-2 (30 kV Air, 30 kV Contact).
- What is the typical response time of the 1.5KE120A-TB?
The typical response time is less than 1.0 ps from 0 Volts to BV min.
- What are the common applications of the 1.5KE120A-TB?
Common applications include telecom equipment, computer systems, industrial electronics, and consumer electronics.
- Is the 1.5KE120A-TB RoHS compliant?
Some versions of the 1.5KE120A are RoHS compliant, but it depends on the specific part number and manufacturer's specifications.
- What is the maximum reverse leakage current of the 1.5KE120A-TB?
The maximum reverse leakage current is 1 µA.
- What is the peak forward surge current of the 1.5KE120A-TB?
The peak forward surge current is 200 A for an 8.3 ms single half sine wave or equivalent square wave.
