Overview
The BAT42W-HE3-18 is a small signal Schottky diode manufactured by Vishay General Semiconductor - Diodes Division. This diode is designed for general-purpose applications and is known for its very low turn-on voltage and fast switching capabilities. It is protected by a PN junction guard ring against excessive voltage, such as electrostatic discharges. The BAT42W-HE3-18 is available in both commercial and AEC-Q101 qualified versions, making it suitable for a wide range of industries including automotive, industrial, and consumer electronics.
Key Specifications
| Parameter | Test Condition | Symbol | Value | Unit |
|---|---|---|---|---|
| Repetitive Peak Reverse Voltage | Tamb = 25°C | VRRM | 30 | V |
| Forward Continuous Current | Tamb = 25°C | IF | 200 | mA |
| Repetitive Peak Forward Current | tp < 1 s, δ < 0.5 | IFRM | 500 | mA |
| Surge Forward Current | tp < 10 ms | IFSM | 4 | A |
| Power Dissipation | Tamb = 65°C | Ptot | 200 | mW |
| Thermal Resistance Junction to Ambient Air | Tamb = 25°C | RthJA | 300 | K/W |
| Maximum Junction Temperature | Tj | 125 | °C | |
| Operating Temperature Range | Top | -55 to +125 | °C | |
| Storage Temperature Range | Tstg | -55 to +150 | °C | |
| Forward Voltage (IF = 200 mA) | VF | 1000 | mV | |
| Forward Voltage (IF = 50 mA) | VF | 650 | mV | |
| Diode Capacitance (VR = 1 V, f = 1 MHz) | CD | 7 | pF | |
| Reverse Recovery Time | IF = 10 mA, IR = 10 mA, iR = 1 mA, RL = 100 Ω | trr | 5 | ns |
Key Features
- Very low turn-on voltage and fast switching capabilities.
- Protected by a PN junction guard ring against excessive voltage, such as electrostatic discharges.
- AEC-Q101 qualified versions available for automotive applications.
- RoHS-compliant and lead-free.
- Moisture Sensitivity Level (MSL) 1.
- UL 94 V-0 flammability rating for the molding compound.
- Available in SOD-123 package with a weight of approximately 10.3 mg.
Applications
The BAT42W-HE3-18 is suitable for a variety of applications, including:
- General-purpose rectification and switching.
- Polarity protection and signal switching.
- Automotive systems, thanks to its AEC-Q101 qualification.
- Industrial and consumer electronics where low forward voltage and fast switching are required.
Q & A
- What is the repetitive peak reverse voltage of the BAT42W-HE3-18?
The repetitive peak reverse voltage is 30 V.
- What is the forward continuous current rating of the BAT42W-HE3-18?
The forward continuous current rating is 200 mA.
- Is the BAT42W-HE3-18 AEC-Q101 qualified?
- What is the thermal resistance junction to ambient air for the BAT42W-HE3-18?
The thermal resistance junction to ambient air is 300 K/W.
- What is the maximum junction temperature of the BAT42W-HE3-18?
The maximum junction temperature is 125°C.
- What is the storage temperature range for the BAT42W-HE3-18?
The storage temperature range is -55°C to +150°C.
- What is the typical forward voltage at 50 mA for the BAT42W-HE3-18?
The typical forward voltage at 50 mA is 650 mV.
- What is the diode capacitance of the BAT42W-HE3-18 at 1 V and 1 MHz?
The diode capacitance is 7 pF.
- What is the reverse recovery time of the BAT42W-HE3-18?
The reverse recovery time is 5 ns.
- Is the BAT42W-HE3-18 RoHS-compliant?
