| Allicdata Part #: | 1N4449-ND |
| Manufacturer Part#: |
1N4449 |
| Price: | $ 0.74 |
| Product Category: | Discrete Semiconductor Products |
| Manufacturer: | Microsemi Corporation |
| Short Description: | DIODE GEN PURP 75V 200MA DO35 |
| More Detail: | Diode Standard 75V 200mA Through Hole DO-35 |
| DataSheet: | 1N4449 Datasheet/PDF |
| Quantity: | 1000 |
| 794 +: | $ 0.65845 |
| Series: | -- |
| Packaging: | Bulk |
| Part Status: | Discontinued at Digi-Key |
| Diode Type: | Standard |
| Voltage - DC Reverse (Vr) (Max): | 75V |
| Current - Average Rectified (Io): | 200mA |
| Voltage - Forward (Vf) (Max) @ If: | 1V @ 30mA |
| Speed: | Small Signal = |
| Reverse Recovery Time (trr): | 4ns |
| Current - Reverse Leakage @ Vr: | 25nA @ 20V |
| Capacitance @ Vr, F: | -- |
| Mounting Type: | Through Hole |
| Package / Case: | DO-204AH, DO-35, Axial |
| Supplier Device Package: | DO-35 |
| Operating Temperature - Junction: | -65°C ~ 150°C |
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The 1N4449 is a high efficiency rectifier diode suitable for high current AC and DC switching applications. The device is manufactured using silicon exhibition technology and provides for an ideal alternative in applications where traditional diodes are not suitable. It has an excellent recovery time and low forward voltage drop (Vf) which makes it ideal for switching applications requiring high current handling.
The 1N4449 diode is a three-terminal rectifier diode that is designed for high current DC switching applications. It is characterized by a low Vf (forward voltage drop), a fast reverse recovery time, and a high current handling capacity. Its low Vf allows it to withstand high forward voltages while maintaining a low drop in voltage across its junction. In terms of recovery time, the diode recovers quickly from its reverse state when the reverse voltage is removed.
The working principle of the 1N4449 diode is based on the P-N junction formation. The diode is composed of an n-type semiconductor material and a p-type semiconductor material. When a positive voltage is applied to the diode terminal, majority current carriers, or electrons, begin to flow from the n-type material to the p-type material. At the same time, minority current carriers, or holes, flow in the opposite direction. This causes a potential difference across the junction, which in turn results in a current flow across the P-N junction, and this is the principle of the diode working.
The 1N4449 diode has many applications in the electronics industry. Due to its low Vf and high current capability, it is ideally suited for use in high current switching applications. It is also popularly used in DC regulators, converters, transistors, amplifiers, etc. It can also be used in applications involving relay switches and DC power supplies. In addition, this diode is very useful in telecommunications equipment and industrial control equipment.
In summary, the 1N4449 diode is a high efficiency rectifier diode suitable for high current switching applications that features an excellent reverse recovery time and low forward voltage drop. Its basis of operation lies in the formation of a P-N junction. The diode is widely used in electronics applications such as DC regulators, amplifiers, transistors, DC power supplies, and telecommunications equipment.
The specific data is subject to PDF, and the above content is for reference
| Part Number | Manufacturer | Price | Quantity | Description |
|---|
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| 1N4490 | Semtech Corp... | 4.44 $ | 1000 | DIODE ZENER 110V 1.5W AXI... |
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| 1N4454-TAP | Vishay Semic... | 0.03 $ | 1000 | DIODE GEN PURP 75V 150MA ... |
| 1N4446 BK | Central Semi... | 0.0 $ | 1000 | DIODE GEN PURP 100V 150MA... |
| 1N4446 | Microsemi Co... | 0.74 $ | 1000 | DIODE GEN PURP 75V 200MA ... |
| 1N4454UR-1 | Microsemi Co... | 2.86 $ | 255 | DIODE GEN PURP 50V 200MA ... |
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| 1N4448WS-HE3-18 | Vishay Semic... | 0.03 $ | 1000 | DIODE GEN PURP 75V 150MA ... |
| 1N4494US | Semtech Corp... | 5.73 $ | 1000 | DIODE ZENER 160V 1.5WZene... |
| 1N4454-TR | Vishay Semic... | 0.03 $ | 1000 | DIODE GEN PURP 75V 150MA ... |
| 1N4476 TR | Central Semi... | 0.49 $ | 1000 | DIODE ZENER 30V 1.5W DO41... |
| 1N4486 | Semtech Corp... | 6.46 $ | 1000 | DIODE ZENER 75V 1.5W AXIA... |
| 1N4448W-7-F | Diodes Incor... | -- | 1000 | DIODE GEN PURP 75V 250MA ... |
| 1N4448TR | Vishay Semic... | -- | 40000 | DIODE GEN PURP 100V 150MA... |
| 1N4468 BK | Central Semi... | 0.5 $ | 1000 | DIODE ZENER 13V 1.5W DO41... |
| 1N4477 TR | Central Semi... | 0.49 $ | 1000 | DIODE ZENER 33V 1.5W DO41... |
| 1N4470 BK | Central Semi... | 0.5 $ | 1000 | DIODE ZENER 16V 1.5W DO41... |
| 1N4474US | Semtech Corp... | 5.7 $ | 1000 | DIODE ZENER 24V 1.5WZener... |
| 1N4446_T50R | ON Semicondu... | 0.0 $ | 1000 | DIODE GEN PURP 100V 200MA... |
| 1N4477 BK | Central Semi... | 0.5 $ | 1000 | DIODE ZENER 33V 1.5W DO41... |
| 1N4460US | Microsemi Co... | 6.66 $ | 1000 | ZENER DIODEZener Diode |
| 1N4448_T26A | ON Semicondu... | 0.0 $ | 1000 | DIODE GEN PURP 100V 200MA... |
| 1N4449 BK | Central Semi... | 0.0 $ | 1000 | DIODE GEN PURP 100V 150MA... |
| 1N4448WS-7-F | Diodes Incor... | -- | 1000 | DIODE GEN PURP 75V 250MA ... |
| 1N4448TAP | Vishay Semic... | 0.01 $ | 30000 | DIODE GEN PURP 75V 150MA ... |
| 1N4448-T | Diodes Incor... | 0.0 $ | 1000 | DIODE GEN PURP 75V 150MA ... |
| 1N4488 | Semtech Corp... | 4.44 $ | 1000 | DIODE ZENER 91V 1.5W AXIA... |
| 1N4448_T50R | ON Semicondu... | 0.0 $ | 1000 | DIODE GEN PURP 100V 200MA... |
| 1N4462 | Microsemi Co... | 5.71 $ | 1000 | DIODE ZENER 7.5V 1.5W DO2... |
| 1N4481US | Semtech Corp... | 6.36 $ | 1000 | DIODE ZENER 47V 1.5WZener... |
| 1N4487US | Semtech Corp... | 5.73 $ | 1000 | DIODE ZENER 82V 1.5WZener... |
| 1N4448HWS-7-F | Diodes Incor... | -- | 153000 | DIODE GEN PURP 80V 250MA ... |
| 1N4448W RHG | Taiwan Semic... | 0.01 $ | 1000 | DIODE GEN PURP 75V 150MA ... |
| 1N4481 | Semtech Corp... | 4.44 $ | 1000 | DIODE ZENER 47V 1.5W AXIA... |
| 1N4479US | Semtech Corp... | 5.7 $ | 1000 | DIODE ZENER 39V 1.5WZener... |
| 1N4479 | Semtech Corp... | 4.44 $ | 1000 | DIODE ZENER 39V 1.5W AXIA... |
| 1N4480 | Semtech Corp... | 4.44 $ | 1000 | DIODE ZENER 43V 1.5W AXIA... |
| 1N4448W-E3-18 | Vishay Semic... | 0.02 $ | 1000 | DIODE GEN PURP 75V 150MA ... |
| 1N4448W-G3-18 | Vishay Semic... | 0.03 $ | 1000 | DIODE GEN PURP 75V 150MA ... |
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1N4449 Datasheet/PDF