FDH400 vs BAV21TR
| Part Number |
|
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| Category | Diodes - Rectifiers - Single | Diodes - Rectifiers - Single |
| Manufacturer | ON Semiconductor | ON Semiconductor |
| Description | DIODE GEN PURP 150V 200MA DO35 | DIODE GEN PURP 250V 200MA DO35 |
| Package | Tape & Reel (TR) | Bulk |
| Series | - | - |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | DO-204AH, DO-35, Axial | DO-204AH, DO-35, Axial |
| Supplier Device Package | DO-35 | DO-35 |
| Diode Type | Standard | Standard |
| Current - Average Rectified (Io) | 200mA | 200mA |
| Voltage - Forward (Vf) (Max) @ If | 1.1 V @ 300 mA | 1.25 V @ 200 mA |
| Current - Reverse Leakage @ Vr | 100 nA @ 150 V | 100 nA @ 200 V |
| Capacitance @ Vr, F | 2pF @ 0V, 1MHz | 5pF @ 0V, 1MHz |
| Voltage - DC Reverse (Vr) (Max) | 150 V | 250 V |
| Speed | Small Signal =< 200mA (Io), Any Speed | Small Signal =< 200mA (Io), Any Speed |
| Reverse Recovery Time (trr) | 50 ns | 50 ns |
| Operating Temperature - Junction | 175°C (Max) | 175°C (Max) |
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1. What is forward voltage drop?
Forward voltage drop refers to the voltage drop generated when the current passes through a diode when it is conducting. The forward voltage drop of silicon rectifier diodes is usually around 0.7V, while the forward voltage drop of Schottky diodes is usually lower, between 0.2V and 0.3V.
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2. What is the maximum reverse voltage (PIV) of a rectifier diode?
The Peak Inverse Voltage (PIV) is the maximum reverse voltage that a diode can withstand. When selecting a diode, the PIV must be higher than the maximum reverse voltage in the circuit, usually twice or more the input voltage.
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3. What is a fast recovery diode?
Fast recovery diode is a special type of rectifier diode with a short reverse recovery time, suitable for high-frequency power supplies and switch mode power supplies (SMPS) applications, reducing switching losses.
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4. How to identify the polarity of a single rectifier diode?
Rectifying diodes usually have polarity markings, with the positive (anode) of the diode being "+" and the negative (cathode) being "-". On the packaging of diodes, there is usually a circular mark on the cathode side indicating the direction of the diode.
