Transistors P217 are utility germanium alloy with p-n-p structure.
Transistors are designed for application in switching devices, output stages of low frequency amplifiers, constant voltage decoders.
Transistors are produced in metal-glass case with stiff leads.
Device type marked on casing.
Transistor maximum weight 12,5 g, mounting flange maximum weight 4,5 g.
Basic technical characteristics of transistors P217:
• Transistor structure: p-n-p
• Рc t max – Constant dissipated power of collector with heatsink: 30 Vt;
• fh21e – Maximum frequency of current transmitting coefficient for circuits with common emitter: minimum 0,1 MHz;
• Ucbоbr – Breaking voltage collector-base at given current of collector and emitter open circuit: 60 V;
• Uebоbr – Breaking voltage emitter-base at given reverse current of emitter and open circuit of collector: 15 V;
• Ic max – Maximum direct current of collector: 7,5 А;
• Icbо– Collector reverse current: maximum 0,5 mА;
• h21e – Static coefficient of current transmitting in small signal mode for circuits with common emitter: over15;
• Rce sat – Saturation resistance between collector and emitter: maximum 0,5 Om
Technical characteristics of transistors P217, P217А, P217B, P217V, P217G:
Transistor type | Structure | Maximum values of parameters at Тp=25°С | Values of parameters at Тp=25°С | Tp | Т | ||||||||||||
Ic | Ic. i. | Uce0 max | Ucb0 max | Ueb0 max | Рcmax | h21e | Uce sat. | Icb | IebО | f gr. | CSH | SC | SE | ||||
А | А | V | V | V | Vt | V | mcА | mcА | MHz | dB | pF | pF | °С | °С | |||
P217 | p-n-p | 7,5 | - | 60 | 60 | 15 | (30) | >15 | 1 | 0,5 | 50 | 0,1 | - | - | - | 85 | -60…+70 |
P217А | p-n-p | 7,5 | - | 60 | 60 | 15 | (30) | 20…60 | 1 | 0,5 | 50 | 0,1 | - | - | - | 85 | -60…+70 |
P217B | p-n-p | 7,5 | - | 60 | 60 | 15 | (30) | >20 | 1 | 0,5 | 50 | 0,1 | - | - | - | 85 | -60…+70 |
P217V | p-n-p | 7,5 | - | 60 | 60 | 15 | (24) | >5 | 0,5 | 3 | 20 | 0,1 | - | - | - | 85 | -60…+70 |
P217G | p-n-p | 7,5 | - | 60 | 60 | 15 | (24) | 15…40 | 1 | 3 | 20 | 0,1 | - | - | - | 85 | -60…+70 |