Overview
The BAT42 is a general-purpose, small signal Schottky diode manufactured by STMicroelectronics. It is designed for applications requiring low forward voltage drop and fast switching times. The device features integrated protection against excessive voltage, such as electrostatic discharge, making it robust and reliable in various electronic circuits.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Repetitive Peak Reverse Voltage (VRRM) | 30 | V |
| Forward Continuous Current (IF) | 200 | mA |
| Repetitive Peak Forward Current (IFRM) | 500 | mA |
| Surge Non-Repetitive Forward Current (IFSM) | 4 | A |
| Power Dissipation (Ptot) | 200 | mW |
| Storage and Junction Temperature Range | -65 to +150°C / -65 to +125°C | °C |
| Maximum Temperature for Soldering | 230 | °C |
| Forward Voltage (VF) at IF = 200mA | 1 | V |
| Capacitance (CJ) at VR = 1V, f = 1MHz | 7 | pF |
| Junction-Ambient Thermal Resistance (Rth(j-a)) | 300 | °C/W |
| Package | DO-35 |
Key Features
- Low forward voltage drop, typically 0.4V at IF = 10mA and 1V at IF = 200mA
- Fast switching times, with a reverse recovery time (trr) of 5ns
- Integrated protection against excessive voltage such as electrostatic discharge
- Low capacitance of 7pF at VR = 1V and f = 1MHz
- High surge current capability, with a non-repetitive forward surge current of 4A
- Compact DO-35 package
Applications
- HF and VHF applications
- Detectors and mixers
- Fast switching circuits
- General purpose signal applications requiring low forward voltage drop and fast switching times
Q & A
- What is the repetitive peak reverse voltage of the BAT42?
The repetitive peak reverse voltage (VRRM) of the BAT42 is 30V.
- What is the forward continuous current rating of the BAT42?
The forward continuous current (IF) rating of the BAT42 is 200mA.
- What is the typical forward voltage drop of the BAT42 at 200mA?
The typical forward voltage drop (VF) at IF = 200mA is 1V.
- What is the capacitance of the BAT42 at 1V and 1MHz?
The capacitance (CJ) at VR = 1V and f = 1MHz is 7pF).
- What are the storage and junction temperature ranges for the BAT42?
The storage temperature range is -65 to +150°C, and the junction temperature range is -65 to +125°C).
- What is the maximum temperature for soldering the BAT42?
The maximum temperature for soldering is 230°C).
- What are some common applications of the BAT42?
The BAT42 is commonly used in HF and VHF applications, detectors, mixers, and fast switching circuits).
- What package type does the BAT42 come in?
The BAT42 comes in a DO-35 package).
- Does the BAT42 have integrated protection against excessive voltage?
Yes, the BAT42 has integrated protection against excessive voltage such as electrostatic discharge).
- What is the surge non-repetitive forward current rating of the BAT42?
The surge non-repetitive forward current (IFSM) rating is 4A).
