Overview
The 1.5KE120ARL is a Transil diode produced by STMicroelectronics, designed to provide high overvoltage protection through clamping action. These diodes are particularly suited to protect voltage-sensitive devices such as MOS technology and low-voltage supplied ICs. Their instantaneous response to transient overvoltages makes them ideal for various electronic applications requiring robust protection against voltage surges.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Peak Pulse Power Dissipation (10/1000 µs) | 1500 | W |
| Breakdown Voltage | 120 V | V |
| Maximum Operating Junction Temperature | 175 | °C |
| Storage Temperature Range | -65 to +175 | °C |
| Maximum Lead Temperature for Soldering | 230 | °C |
| Non-Repetitive Surge Peak Forward Current | 200 A (tp = 10 ms) | A |
| Clamping Voltage @ IPP (10/1000 µs) | 165 V | V |
| Capacitance (VR = 0 V, F = 1 MHz) | 100 pF (typical) | pF |
Key Features
- Peak Pulse Power: 1500 W (10/1000 µs)
- Breakdown Voltage Range: From 6.8 V to 440 V, with the 1.5KE120ARL specifically rated at 120 V
- Uni and Bidirectional Types: Available in both unidirectional and bidirectional configurations
- Low Clamping Factor: Ensures effective voltage clamping
- Fast Response Time: Instantaneous response to transient overvoltages
- UL Certification: Compliant with UL 497B file number QVGQ2.E136224
Applications
The 1.5KE120ARL Transil diode is suitable for a variety of applications that require protection against voltage surges and transient overvoltages. These include:
- Protection of voltage-sensitive devices such as MOS technology and low-voltage supplied ICs
- Telecommunication equipment
- Automotive electronics
- Industrial control systems
- Consumer electronics requiring surge protection
Q & A
- What is the primary function of the 1.5KE120ARL Transil diode?
The primary function is to provide high overvoltage protection through clamping action, protecting voltage-sensitive devices from transient overvoltages.
- What is the peak pulse power dissipation of the 1.5KE120ARL?
The peak pulse power dissipation is 1500 W for a 10/1000 µs pulse.
- What is the breakdown voltage of the 1.5KE120ARL?
The breakdown voltage is 120 V.
- What are the storage temperature range and maximum operating junction temperature for the 1.5KE120ARL?
The storage temperature range is -65 to +175 °C, and the maximum operating junction temperature is 175 °C.
- Is the 1.5KE120ARL available in both unidirectional and bidirectional configurations?
- What is the clamping voltage of the 1.5KE120ARL at IPP (10/1000 µs)?
The clamping voltage is approximately 165 V at IPP (10/1000 µs).
- What is the capacitance of the 1.5KE120ARL at VR = 0 V and F = 1 MHz?
The capacitance is typically 100 pF.
- What are some common applications for the 1.5KE120ARL?
Common applications include protection of voltage-sensitive devices, telecommunication equipment, automotive electronics, industrial control systems, and consumer electronics.
- Is the 1.5KE120ARL UL certified?
- What is the maximum lead temperature for soldering the 1.5KE120ARL?
The maximum lead temperature for soldering is 230 °C for 10 seconds at 5mm from the case.
