Diodes D237B are silicon, diffused.
Diodes are produced in metal-glass casing with flexible lead-outs.
Diode type and electrodes connection with leads are marked on diode casing.
Diode weight, maximum 2g.
Technical conditions: ТR3.362.021 ТU.
Basic technical characteristics of diodes D237B:
• Urev max – maximum constant reverse voltage: 200 V;
• Idir max – maximum direct current: 300 mА;
• fd – operating frequency of diode: 1 kHz;
• Udir – constant direct voltage: maximum 1 V at Idir 300 mА;
• Irev – constant reverse current: maximum 50 mcА at Urev 200 V
Characteristics of diodes D237А, D237B, D237V, D237D, D237Е, D237ZH, D237I, D237K, D237L, D237М, D237N:
| Diode | Udir/Idir | Irev | t rev | Urev max | Urevpulmax | Idirmax | Idir pulmax | Cd | fdmax | Т |
| V/mА | mcА | mcs | V | V | mА | А | pF | kHz | °C | |
| D237А | 1/300 | 50 | - | 200 | 200 | 300 | 10 | - | 1 | -60...+125 |
| D237B | 1/300 | 50 | - | 400 | 400 | 300 | 10 | - | 1 | -60...+125 |
| D237V | 1/100 | 50 | - | 600 | 600 | 100 | 10 | - | 1 | -60...+125 |
| D237D | - | 50 | - | 1000 | 1000 | - | 10 | - | 1 | -60...+125 |
| D237Е | 1/400 | 50 | - | 200 | 200 | 400 | 10 | - | 1 | -60...+125 |
| D237ZH | 1/400 | 50 | - | 400 | 400 | 400 | 10 | - | 1 | -60...+125 |
| D237I | 1/300 | - | - | - | 200 | 300 | - | - | 1 | -60...+125 |
| D237K | 1/300 | - | - | - | 400 | 300 | - | - | 1 | -60...+125 |
| D237L | 1/100 | - | - | - | 600 | 100 | - | - | 1 | -60...+125 |
| D237М | 1/400 | - | - | - | 200 | 400 | - | - | 1 | -60...+125 |
| D237N | 1/400 | - | - | - | 400 | 400 | - | - | 1 | -60...+125 |
