Overview
The 1.5KE68A is a Transil™ diode from 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.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Peak Pulse Power Dissipation (10/1000 µs) | 1500 | W |
| Power Dissipation on Infinite Heatsink (Tamb = 75 °C) | 5 | W |
| Non-Repetitive Surge Peak Forward Current (tp = 10 ms) | 200 | A |
| Storage Temperature Range | -65 to +175 | °C |
| Maximum Operating Junction Temperature | 175 | °C |
| Maximum Lead Temperature for Soldering (10s at 5mm from case) | 230 | °C |
| Voltage - Reverse Standoff (Typ) | 58.1 | V |
| Voltage - Breakdown (Min) | 64.6 | V |
| Voltage - Clamping (Max) @ Ipp (10/1000 µs) | 121 | V |
| Current - Peak Pulse (10/1000 µs) | 83 | A |
Key Features
- Peak pulse power: 1500 W (10/1000 µs)
- Breakdown voltage range: From 6.8 V to 440 V (specifically 64.6 V for 1.5KE68A)
- Uni and bidirectional types available
- Low clamping factor
- Fast response time
- UL 497B file number: QVGQ2.E136224
Applications
The 1.5KE68A Transil diode is suitable for protecting voltage-sensitive devices such as MOS technology and low-voltage supplied ICs. It is commonly used in various electronic systems that require overvoltage protection, including but not limited to:
- Power supplies and DC-DC converters
- Telecommunication equipment
- Automotive electronics
- Industrial control systems
Q & A
- What is the peak pulse power dissipation of the 1.5KE68A? The peak pulse power dissipation is 1500 W (10/1000 µs).
- What is the breakdown voltage range for the 1.5KE series? The breakdown voltage range is from 6.8 V to 440 V, with the 1.5KE68A having a minimum breakdown voltage of 64.6 V.
- What types of Transil diodes are available in the 1.5KE series? Both unidirectional and bidirectional types are available.
- What is the maximum operating junction temperature for the 1.5KE68A? The maximum operating junction temperature is 175 °C.
- What is the storage temperature range for the 1.5KE68A? The storage temperature range is -65 to +175 °C.
- What is the maximum lead temperature for soldering? The maximum lead temperature for soldering is 230 °C for 10 seconds at 5mm from the case.
- What is the clamping voltage for the 1.5KE68A at peak pulse current? The clamping voltage is 121 V at peak pulse current (10/1000 µs).
- What is the peak pulse current for the 1.5KE68A? The peak pulse current is 83 A (10/1000 µs).
- What are some common applications for the 1.5KE68A? Common applications include power supplies, telecommunication equipment, automotive electronics, and industrial control systems.
- Does the 1.5KE68A have any certifications? Yes, it has a UL 497B file number: QVGQ2.E136224.
- How fast does the 1.5KE68A respond to transient overvoltages? The 1.5KE68A has a fast response time, making it suitable for protecting against transient overvoltages.
