Description: LOT 20pcs MP39B germanium alloy p-n-p low-frequency amplification transistors with non-standardized MP39 and normalized noise figure at a frequency of 1 kHz MP39B. Designed to amplify low frequency signals. The mass of the transistor is no more than 2 g. Main technical characteristics of the MP39B transistor: • Transistor structure: p-n-p • Рк max - Constant collector power dissipation: 150 mW; • fh21b - Limit frequency of the transistor current transfer coefficient for circuits with a common emitter and a common base: not less than 0.5 MHz; • Uker samples - Collector-emitter breakdown voltage at a given collector current and a given (final) resistance in the base-emitter circuit: 15 V; • Uebo samples - Emitter-base breakdown voltage at a given emitter reverse current and open collector circuit: 10 V; • Iк max - Maximum permissible direct collector current: 30 mA; • Ik and max - Maximum permissible collector pulse current: 150 mA; • Ikbo - Reverse collector current - current through the collector junction at a given reverse collector-base voltage and open emitter terminal: no more than 15 μA; • h21e - Static current transfer coefficient of the transistor in small signal mode for circuits with a common emitter and a common base, respectively: 20...60; • Ск - Capacitance of the collector junction: no more than 50 pF; • Ksh - Transistor noise figure: no more than 12 dB at a frequency of 1 kHz Please note: - All items are sold "as is". - All items are sold as is, we do not decorate or alter products. - We do our best to make photos as realistic as possible, but actual colors may vary slightly from your display. - All photos are real!!! - Your order will be carefully packaged to ensure it arrives in perfect condition. - All vintage items may show some signs of use, however I will try to depict or describe any damage or defects. Please look carefully at the photos and read the description. If you have any questions please ask me. I will be glad to answer all your questions. We welcome all your questions and suggestions! TRANSPORTATION : Item will be shipped within 1-3 business days after payment is received. Your purchases will be securely packaged. You can track your package using the tracking code. When paying, please include the item number and shipping address. I will be glad and grateful if you leave a positive feedback after receiving the goods. As a beginner seller, your opinion is very important to me. THANK YOU FOR YOUR INTEREST OUR PRODUCT! Have a nice day and happy shopping.
Price: 11.55 USD
Location: Pesochin
End Time: 2024-09-08T13:56:45.000Z
Shipping Cost: 10 USD
Product Images
Item Specifics
All returns accepted: ReturnsNotAccepted
Mounting Style: PCB Mount
Brand: Soviet
Series: MP
Type: NPN BJT
Number of Elements per Chip: 1
Custom Bundle: No
Number of Pins: 3
MPN: Does Not Apply
Maximum Operating Frequency: 1 MHz
Maximum Operating Temperature: 55 °C (131 °F)
Transistor Category: Small Signal Transistor
Minimum Operating Temperature: -65 °C (-85 °F)