Voltage-limiting with a Z-diode

VP4.1.4.2

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Description

The experiment P4.1.4.2 demonstrates how a Z-diode can be used to protect against voltage surges. As long as the applied voltage is below the breakdown voltage U_Z of the Z-diode, the Z-diode acts as an insulator and the voltage U is unchanged. At voltages above U_Z, the current flowing through the Z-diode is so high that U is limited to U_Z.

Components of equipment sets

1	57681 4	Plug-in board safety socket, 20/10
1	57855 4	Zener diode 6.2, STE 2/19
1	57906 4	Lamp holder, E10, top, STE 2/19
1	50508 8	Bulbs 12 V/0,25 A/3 W, E10, set of 10
1	57742 4	Resistor, 680 Ω, STE 2/19
1	521488	AC/DC power supply 0...12 V/3 A
2	531120	Multimeter LDanalog 20
3	500621 4	Safety experiment cable, 50 cm, red
3	500622 4	Safety experiment cable, 50 cm, blue

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Voltage-limiting with a Z-diode

Description

Components of equipment sets

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