4W, 1,25A, 60V NOS Soviet germanium PNP amplifying transistors. Designed for use in switching devices, output stages of low-frequency amplifiers, DC converters and stabilizers. Are used for work in the electronic equipment of a special purpose.

5 pcs. in a lot. Type 1T403D (1Т403Д).

Some technical specifications

Constant power dissipation of the collector with a heat sink: 4 W;

Maximum generation frequency: 0.008 MHz;

Breakdown voltage collector-base at a given reverse collector current and open emitter circuit: 60 V;

Emitter-base breakdown voltage at a given emitter reverse current and collector open circuit: 30 V;

Maximum allowable DC collector current: 1250 mA;

Reverse collector current - current through the collector junction at a given collector-base reverse voltage and an open emitter output: no more than 50 μA at 60 V;

Voltage feedback coefficient of the transistor in the small signal mode for circuits with a common emitter and a common base, respectively: 50...150 at 5V, 0.1 A;

Saturation resistance between collector and emitter: no more than 1 ohm;

Transistor noise figure: not standardized;

Operating temperature: (-60 to +70) °С;

Weight: 4 g

Please, pay attention:

1. Will not ship to Africa.

2. All items will be shipped in 2-3 business days using Lithuanian post services after payment will be received. Package will be without tracking number. If tracking number is needed, please, contact me. Shipping with tracking number will cost a bit higher.

3. Only PayPal is accepted.

4. I am not responsible for any taxes, which could appear, in relation to your country's laws, when Your purchase will arrive.