Overview
The BAT46W-HE3-18 is a small signal Schottky diode produced 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 AEC-Q101 qualified, making it suitable for automotive and other demanding environments. The device is packaged in a SOD-123 format and is RoHS-compliant, ensuring environmental compliance and reliability.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Repetitive Peak Reverse Voltage (VRRM) | 100 | V |
| Forward Continuous Current (IF) | 200 | mA |
| Repetitive Peak Forward Current (IFRM) | 350 | mA |
| Surge Forward Current (IFSM) | 750 | mA |
| Power Dissipation on FR-4 Board | 270 | mW |
| Thermal Resistance Junction to Ambient Air | 370 | K/W |
| Junction Temperature (Tj) | 125 | °C |
| Storage Temperature Range (Tstg) | -65 to +150 | °C |
| Operating Temperature Range (Top) | -55 to +125 | °C |
| Forward Voltage (VF) at IF = 0.1 mA | 250 | mV |
| Diode Capacitance (CD) at VR = 0 V, f = 1 MHz | 10 | pF |
Key Features
- Very low turn-on voltage and fast switching capabilities.
- AEC-Q101 qualified for automotive applications.
- RoHS-compliant and meets UL 94 V-0 flammability rating.
- Moisture Sensitivity Level (MSL) 1.
- Protected by a PN junction guard ring.
- Low forward voltage and high surge current capability.
- High reliability and stability over a wide temperature range.
Applications
- General purpose rectification and polarity protection.
- Signal switching applications.
- Automotive systems due to AEC-Q101 qualification.
- Industrial and consumer electronics requiring low forward voltage and fast switching.
- High-frequency applications where low capacitance is essential.
Q & A
- What is the repetitive peak reverse voltage (VRRM) of the BAT46W-HE3-18?
The repetitive peak reverse voltage (VRRM) is 100 V.
- What is the forward continuous current (IF) rating of this diode?
The forward continuous current (IF) is 200 mA.
- Is the BAT46W-HE3-18 AEC-Q101 qualified?
Yes, it is AEC-Q101 qualified, making it suitable for automotive applications.
- What is the thermal resistance junction to ambient air for this diode?
The thermal resistance junction to ambient air is 370 K/W.
- What is the junction temperature (Tj) rating of the BAT46W-HE3-18?
The junction temperature (Tj) is 125 °C.
- What is the storage temperature range for this diode?
The storage temperature range is -65 to +150 °C.
- What is the operating temperature range for the BAT46W-HE3-18?
The operating temperature range is -55 to +125 °C.
- What is the typical forward voltage (VF) at a forward current of 0.1 mA?
The typical forward voltage (VF) at 0.1 mA is 250 mV.
- What is the diode capacitance (CD) at VR = 0 V and f = 1 MHz?
The diode capacitance (CD) is 10 pF at VR = 0 V and f = 1 MHz.
- Is the BAT46W-HE3-18 RoHS-compliant?
Yes, it is RoHS-compliant.
