Overview
The BAT43WS-HE3-08 is a small signal Schottky diode produced by Vishay General Semiconductor - Diodes Division. This diode is designed for general purpose applications and is notable for its very low turn-on voltage and fast switching capabilities. It is also protected by a PN junction guard ring against excessive voltage, such as electrostatic discharges. The BAT43WS-HE3-08 is available in an SOD-323 package and is RoHS-compliant and lead-free, making it suitable for a wide range of electronic systems.
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 = 25 °C | Ptot | 150 | mW |
| Thermal resistance junction to ambient air | Tamb = 25 °C | RthJA | 650 | K/W |
| 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 | 260 - 330 | mV |
| Diode capacitance | VR = 1 V, f = 1 MHz | CD | 7 | pF |
| Reverse recovery time | IF = 10 mA, IR = 100 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, making it suitable for automotive applications.
- RoHS-compliant and lead-free.
- Available in SOD-323 package.
- Low forward voltage (VF = 260 - 330 mV at IF = 200 mA).
- Low diode capacitance (CD = 7 pF at VR = 1 V, f = 1 MHz).
- Fast reverse recovery time (trr = 5 ns).
Applications
The BAT43WS-HE3-08 is suitable for various general purpose applications, including:
- Rectification and polarity protection.
- Signal switching.
- Automotive systems due 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 BAT43WS-HE3-08?
The repetitive peak reverse voltage is 30 V. - What is the forward continuous current rating of the BAT43WS-HE3-08?
The forward continuous current rating is 200 mA. - What is the surge forward current rating of the BAT43WS-HE3-08?
The surge forward current rating is 4 A for tp < 10 ms. - What is the thermal resistance junction to ambient air of the BAT43WS-HE3-08?
The thermal resistance junction to ambient air is 650 K/W. - What is the junction temperature rating of the BAT43WS-HE3-08?
The junction temperature rating is 125 °C. - What is the operating temperature range of the BAT43WS-HE3-08?
The operating temperature range is -55 to +125 °C. - Is the BAT43WS-HE3-08 RoHS-compliant and lead-free?
Yes, the BAT43WS-HE3-08 is RoHS-compliant and lead-free. - What is the forward voltage of the BAT43WS-HE3-08 at 200 mA?
The forward voltage is 260 - 330 mV at 200 mA. - What is the diode capacitance of the BAT43WS-HE3-08?
The diode capacitance is 7 pF at VR = 1 V, f = 1 MHz. - What is the reverse recovery time of the BAT43WS-HE3-08?
The reverse recovery time is 5 ns.
