| Electronic component: | Description: | Manuf. | Package | Pins | T°min | T°max | Datasheet |
|---|
| CD421240A | 1200V, 40A general purpose dual diode | distributor | - | - | - | - | 106 K |
| CD431240A | 1200V, 40A phase control dual thyristor | distributor | - | - | - | - | 100 K |
| CD471240A | 1200V, 40A general purpose dual diode | distributor | - | - | - | - | 106 K |
| EM91240AP | Tone/pulse switchable dialer with LCD interface | ELAN-Microelectronics-Corp- | PDIP | 18 | 0°C | 50°C | 145 K |
| LS1240A | Electronic tone ringer with built-in bridge rectifier. Supply voltage Vs=26V. Current consumption without load Ib=1.5A(typ). Activation voltage Von=12V(min),13.5V(max). Sustaining voltage Voff=7.8V(min),9.3V(max). | distributor | DIP | 8 | -20°C | 70°C | 30 K |
| LS1240AD1 | Electronic two-tone ringer. | Wing-Shing-Electronic-Co----manufacturer-of-power-semiconductors | SO8 | 8 | -20°C | 70°C | 282 K |
| TK11240AUBX | 4.0V Voltage regulator with on/off switch | distributor | - | 5 | -30°C | 80°C | 382 K |
| TK11240AUTB | 4.0V Voltage regulator with on/off switch | distributor | - | 5 | -30°C | 80°C | 382 K |
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