| Part No | Manufacturer | Application |
|---|
| 78D09 | Contek | 3-terminal positive voltage regulator. Output voltage 9.0V. Output current 0.5A. |
| 78L08 | Contek | 3-terminal positive voltage regulator. Output voltage 8.0V. Output current 100 mA |
| 78M24 | Contek | 3-terminal positive voltage regulator. Output voltage 24V. Output current 0.5A |
| U585 | Contek | Voltage conversion regulator. +5V input. Adjustable output voltage from 3.8B down to 1.3V. Current limit 5.0A.min; 5.5A,max. |
| TA7678 | Contek | Video and sound IF amplifier for monochrome TV recceivers. Rcommended supply voltage Vcc 10.8V,min; 12V,typ; 13.2V,max. Quiescent circuit current Iccq 35mA,min; 50mA,typ; 65mA,max. |
| 78L12 | Contek | 3-terminal positive voltage regulator. Output voltage 12V. Output current 100 mA |
| ULN2003 | Contek | High-voltage, high-current darlington array. Input voltage Vin=30V,max. Continuous input current Iin=25mA,max. |
| MC34018 | Contek | Voice switched speaker-phone circuit. |
| 78L15 | Contek | 3-terminal positive voltage regulator. Output voltage 15V. Output current 100 mA |
| LM393 | Contek | Dual differential comparator. |
| 79L15 | Contek | 3-terminal negative voltage regulator. Output voltage -15.0V. Output current 100 mA |
| 79L08 | Contek | 3-terminal negative voltage regulator. Output voltage -8.0V. Output current 100 mA |
| 78L24M | Contek | 3-terminal positive voltage regulator. Output voltage 24V. Output current 200 mA |
| 78L12 | Contek | 3-terminal positive voltage regulator. Output voltage 12V. Output current 100 mA |
| TEA1062 | Contek | Low voltage telephone transmission circuit with dialler interface. |
| U585 | Contek | Voltage conversion regulator. +5V input. Adjustable output voltage from 3.8B down to 1.3V. Current limit 5.0A.min; 5.5A,max. |
| 78L12M | Contek | 3-terminal positive voltage regulator. Output voltage 12V. Output current 200 mA |
| 78L09M | Contek | 3-terminal positive voltage regulator. Output voltage 9.0V. Output current 200 mA |
| LP2951F | Contek | 100 mA low-dropout voltage regulator. Feedback tied to 5V tap an output tied to output sense(Vout=5V) and Vshutdown<=0.8V.. Accuracy 2.0%. |
| TBA820M | Contek | 1.2W audio power amplifier. Operating supply voltage Vcc=3V to 14V. |
| 78L05 | Contek | 3-terminal positive voltage regulator. Output voltage 5.0V. Output current 100 mA |
| MC4558 | Contek | Dual operational amplifier. Supply current Icc=3.5mA,typ; Icc=5.6mA,max. Supply voltage Vcc=22V,max. Power dissipation 600mW.. |
| 79L18 | Contek | 3-terminal negative voltage regulator. Output voltage -18.0V. Output current 100 mA |
| 78M15 | Contek | 3-terminal positive voltage regulator. Output voltage 15V. Output current 0.5A |
| LS1240A | Contek | 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). |
| TA31001 | Contek | Telephone tone ringer. Operating supply voltage Vcc=29V,max. |
| MC34119 | Contek | Low power audio amplifier. Operating supply voltage Vcc=2V-16V. Quiescent supply current Icc=2.7mA,typ. |
| LM7905 | Contek | 3-terminal 1A negative voltage regulator. Output current up to 1A. Output voltage -5V(typ). |
| LM317 | Contek | 3-terminal 1.5A positive adjustable voltage from 1.3V to 37V regulator. |
| 31002A | Contek | Telephone tone ringer. Supply voltage 30 V. |
