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The BF494 NPN Medium Frequency Transistor is an NPN Medium Frequency transistor which can be used in low voltage low current applications. It has a gain of 67 to 220 and a transition frequency of 120MHz at IC=1mA and VCE=10V. It can be used in applications such as radio and television receivers, FM tuners, Low noise AM, mixer-oscillators, IF amplifiers in AM/FM receivers. The maximum collector current is 30mA so make sure you do not cross it and fry your transistor.
Specifications
- Collector-Base Volt (Vcbo): 30V
- hfe: 67-220 @ 1mA
- Power Dissipation (Ptot): 300mW
- Collector-Emitter Volt (Vceo): 20V
- Collector Current (Ic): 0.03A
- Current-Gain-Bandwidth (ftotal): 120MHz
- Type: PNP
- Package Type: TO-92
Product Description
As it is an NPN transistor like BC547, 2N2222 that means you have to provide base pin some voltage to get it in conducting/saturation region. Care should be taken to keep the currents under maximum permissible limits as its maximum power dissipation is 300mW.
Additional Resources
Returns Policy
Due to the type of products we sell, we accept limited returns. Below are the conditions where we can accept a return request.
1. Damaged During Shipment
If you receive a product damaged during shipment, please notify us within the 3 days of you receive the product, supported by the proper pictures and description. Once our support team accept the return, we will provide a replacement or a complete refund including the return shipping cost.2. Wrong Item Shipped
If your item looks different from what is shown in the image on our website, we will take the item back and provide a refund or replacement as per your choice.
Limitation of Returns
We don't accept the returns for the products damanged by improper use of the product. Moreover we don't accept the return, if the ordered product is not fit for any specific application. Please read the product specifications and datasheet before selecting and ordering a product. Returns are accepted only with 3 days from the date of delivery.Shipping
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