UP0421400L Discrete Semiconductor Products |
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Allicdata Part #: | UP0421400LTR-ND |
Manufacturer Part#: |
UP0421400L |
Price: | $ 0.00 |
Product Category: | Discrete Semiconductor Products |
Manufacturer: | Panasonic Electronic Components |
Short Description: | TRANS PREBIAS DUAL NPN SSMINI6 |
More Detail: | Pre-Biased Bipolar Transistor (BJT) 2 NPN - Pre-Bi... |
DataSheet: | UP0421400L Datasheet/PDF |
Quantity: | 1000 |
1 +: | 0.00000 |
Series: | -- |
Packaging: | Tape & Reel (TR) |
Part Status: | Obsolete |
Transistor Type: | 2 NPN - Pre-Biased (Dual) |
Current - Collector (Ic) (Max): | 100mA |
Voltage - Collector Emitter Breakdown (Max): | 50V |
Resistor - Base (R1): | 10 kOhms |
Resistor - Emitter Base (R2): | 47 kOhms |
DC Current Gain (hFE) (Min) @ Ic, Vce: | 80 @ 5mA, 10V |
Vce Saturation (Max) @ Ib, Ic: | 250mV @ 300µA, 10mA |
Current - Collector Cutoff (Max): | 500nA |
Frequency - Transition: | 150MHz |
Power - Max: | 125mW |
Mounting Type: | Surface Mount |
Package / Case: | SOT-563, SOT-666 |
Supplier Device Package: | SSMINI6-F1 |
Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us: sales@allicdata.com
UP0421400L is a pre-biased array of two bipolar transistors in the same package. It is specifically designed to protect the current source in power supplies. This device is able to replace two discrete transistors, thereby saving board space and reducing cost.
In the case of power supply protection, the UP0421400L is usually connected in series between the output stage and the ground in order to limit the current flowing in the output stage. When a fault occurs, the UP0421400L will limit the current flowing in the output stage and protect the power supply from damage.
The main components of the UP0421400L are two NPN transistors, specifically designed to limit the output current of the power supply. The two transistors are connected in series and pre-biased. The first transistor is a high-current, low-voltage transistor which limits the output current in case of a fault. The second transistor is a low-current, high-voltage transistor which prevents the first transistor from becoming saturated.
The working principle of the UP0421400L is based on the current-limiting behavior of the two transistors connected in series. When the current flowing through the output is too high, the current will be limited by the first transistor, thereby protecting the power supply. When the current reaches a safe level, the second transistor will start to conduct and allow more current to flow through the output.
In order to improve the performance of the UP0421400L, some manufacturers offer models with additional protection features such as temperature protection or reverse current protection. Such features further protect the power supply from damage caused by over-current or thermal runaways.
The UP0421400L is a cost-effective and easy-to-use device for power supply protection. It is specifically designed for use in power supplies, but can also be used for other applications requiring current limiting.
The specific data is subject to PDF, and the above content is for reference
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