The transistor as a switch

VP4.1.6.2
The transistor as a switch
The transistor as a switch

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Description

In the experiment P4.1.6.2 a bipolar transistor is operated as a switch. By means of the high base current, the transistor is operated in saturation and its properties are investigated.

Components of equipment sets

2 57681  4  Plug-in board safety socket, 20/10 LD
1 57867  4  Transistor BD 137, NPN, e.b., STE 4/50 LD
1 57744  4  Resistor 1 kOhm, STE 2/19 LD
1 57780 Variable resistor, 10 kΩ, STE 2/19 LD
1 57802  4  Photoresistor LDR 05, STE 2/19 LD
1 578061 PTC probe STE 2/19 LD
1 57906  4  Lamp holder, E10, top, STE 2/19 LD
1 50508  8  Bulbs 12 V/0,25 A/3 W, E10, set of 10 LD
1 57913  8  Toggle switch STE 2/19 LD
1 57938  4  Heating element 100 Ohm, 2 W, STE 2/50 LD
1 50148  4  Bridging plugs STE 2/19, set of 10 LD
1 521488 AC/DC power supply 0...12 V/3 A LD
2 531120 Multimeter LDanalog 20 LD
3 500621  4  Safety experiment cable, 50 cm, red LD
3 500622  4  Safety experiment cable, 50 cm, blue LD

Experiment Instructions

PDF (Experiment description) PDF (Experiment description) P4.1.6.2 The transistor as a switch
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