Overview
The 1.5KE120AHE3/51 is a Transient Voltage Suppressor (TVS) diode produced by Vishay General Semiconductor - Diodes Division. This component is designed to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. The 1.5KE series, to which this component belongs, is known for its high peak pulse power dissipation capability and fast response time, making it ideal for various applications in telecommunications, computers, industrial, and consumer electronics.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Peak Pulse Power Dissipation (10/1000μs) | PPPM | 1500 | W |
| Steady State Power Dissipation on Infinite Heat Sink at TL=75ºC | PD | 6.5 | W |
| Peak Forward Surge Current, 8.3ms Single Half Sine Wave Unidirectional Only | IFSM | 200 | A |
| Maximum Instantaneous Forward Voltage at 100A for Unidirectional Only | VF | 3.5/5.0 | V |
| Operating Junction and Storage Temperature Range | TJ, TSTG | -55 to 175 | °C |
| Typical Thermal Resistance Junction to Lead | RθJL | 15 | °C/W |
| Typical Thermal Resistance Junction to Ambient | RθJA | 75 | °C/W |
| Reverse Stand off Voltage (VR) | 102 | V | |
| Breakdown Voltage (VBR) @ IT Test Current | 114 to 126 | V | |
| Maximum Clamping Voltage (VC) @ Ipp | 165 | V | |
| Maximum Peak Pulse Current (Ipp) | 9.2 | A | |
| Maximum Reverse Leakage (IR) @ VR | < 1 μA | μA |
Key Features
- High peak pulse power dissipation capability of 1500W at 10/1000μs waveform.
- Fast response time: typically less than 1.0ps from 0 Volts to BV min.
- Excellent clamping capability to protect against voltage transients.
- Low incremental surge resistance.
- High temperature reflow soldering guaranteed: 260°C/30sec.
- Pb-free and RoHS compliant.
- Halogen-free and matte tin lead–free plated.
- ESD protection of data lines in accordance with IEC 61000-4-2.
- EFT protection of data lines in accordance with IEC 61000-4-4.
Applications
The 1.5KE120AHE3/51 TVS diode is ideal for protecting I/O interfaces, VCC bus, and other vulnerable circuits in various applications, including:
- Telecommunications
- Computers and computer peripherals
- Industrial electronics
- Consumer electronics
Q & A
- What is the peak pulse power dissipation capability of the 1.5KE120AHE3/51?
The peak pulse power dissipation capability is 1500W at a 10/1000μs waveform.
- What is the typical response time of the 1.5KE120AHE3/51 TVS diode?
The typical response time is less than 1.0ps from 0 Volts to BV min.
- What are the operating junction and storage temperature ranges for this component?
The operating junction and storage temperature ranges are -55 to 175°C.
- Is the 1.5KE120AHE3/51 RoHS compliant?
- What is the maximum forward surge current for the 1.5KE120AHE3/51?
The maximum forward surge current is 200A for an 8.3ms single half sine wave.
- What are the typical thermal resistances for this component?
The typical thermal resistance junction to lead (RθJL) is 15°C/W, and the typical thermal resistance junction to ambient (RθJA) is 75°C/W.
- What is the breakdown voltage range for the 1.5KE120AHE3/51?
The breakdown voltage range is from 114 to 126V at the IT test current.
- What is the maximum clamping voltage for this TVS diode?
The maximum clamping voltage is 165V at Ipp.
- Does the 1.5KE120AHE3/51 provide ESD protection?
- What is the package type for the 1.5KE120AHE3/51?
The package type is DO-201 for axial leaded TVS diodes, though some variants may be in SOT-23.
