What is 1N4947?
This is rectifier diode with a maximum rated voltage of 800V and a maximum rated current of 1A.
it suitable for use in high-voltage power supplies and motor control circuits. The high current rating allows it to handle high-power loads without damage.
Function: Fast Recovery Rectifier Diode
Package: Axial Leaded Hermetically Sealed Type
Manufacturer: Semtech Corporation
Pinouts:
Description
This is commonly used in high-voltage power supplies, motor control circuits, and other high-power applications that require high voltage and current ratings. It can also be used in flyback diode applications to prevent voltage spikes.
Features
1. Low reverse leakage current
2. High voltage and current ratings of 800V and 1A, respectively
3. Rectifier diode with a low reverse leakage current
4. Maximum surge current of 30A
5. Slow switching speed (500ns typical)
6. High forward voltage drop of 1.2V typical
7. Hermetically sealed in Metoxilite fused metal oxide
8. Low forward voltage drop
9. These products are qualified to MIL-PRF-19500/359
Advantages Vs Disadvantages
Advantages:
1. High voltage and current ratings make it suitable for high-power applications
2. Low reverse leakage current improves circuit performance
3. Maximum surge current capability allows it to handle short-term overloads without damage
Disadvantages:
1. High forward voltage drop can cause power dissipation and reduce efficiency in voltage regulation and rectification circuits
2. Slow switching speed may limit its usefulness in applications that require rapid switching, such as power supply protection circuits
3. The high voltage and current ratings come at the expense of the diode’s speed and efficiency
Other data sheets are available within the file:
1N4942 : 200 V
1N4944 : 400 V
1N4946 : 800 V
1N4948 : 1000 V
1N4947 Datasheet PDF
