Part Number: D1N4148, CD1N4148
Function: 75V, 500mA, Switching Diode
Package: Axial Lead, DO-35 Type
Manufacturer: CDIL (Continental Device India Limited)
D1N4148 is 75V, 500mA, Switching Diode, Rectifier. A switching diode is a type of diode that is optimized for high-speed switching applications. It is designed to transition quickly between its forward-biased (conducting) and reverse-biased (non-conducting) states, making it well-suited for applications that require fast and precise switching of signals or currents.
1. Fast Switching Speed:
Switching diodes are designed to have very fast switching speeds, transitioning between conducting and non-conducting states in a short amount of time. This characteristic is essential for applications where quick signal transitions are required.
2. Low Capacitance:
Switching diodes typically have low capacitance, which reduces the time required for the diode to charge and discharge. This property is particularly useful in high-frequency applications.
3. Low Recovery Time:
The recovery time of a diode refers to the time it takes to switch from the conducting state to the non-conducting state and vice versa. Switching diodes are designed to have minimal recovery time, contributing to their fast switching capabilities.
Absolute Maximum Ratings (Ta = 25°C)
1. Repetitive Reverse Voltage: VRRM 80 V
2. Reverse Voltage (Continuous): VR 75 V
3. Average Forward Current: IF(AV) 150 mA
4. Forward Current (DC): IF 200 mA
5. Repetitive Peak Forward Current: IFRM 450 mA
6. Non Repetitive Peak Surge Current: tp=1usec IFSM 2000 mA tp=1sec IFSM 500 mA
7. Power Dissipation: PTA 500 mW