Results for: IRF540N
in Thyristors
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Thyristors
A thyristor is a solid-state semiconductor device with four layers of alternating N and P-type material. They act exclusively as bistable switches, conducting when their gate receives a current trigger, and continue to conduct while they are forward biased (that is, while the voltage across the device is not reversed). A three-lead thyristor is designed to control the larger current of its two leads by combining that current with the smaller current or voltage of its other lead - known as its control lead. In contrast, a two-lead thyristor is designed to 'switch on' if the potential difference between its leads is sufficiently large - a value representing its breakdown voltage. Some sources define silicon-controlled rectifiers and thyristors as synonymous. Other sources define thyristors as a larger set of devices with at least four layers of alternating N and P-type material. The first thyristor devices were released commercially in 1956. Because thyristors can control a relatively large amount of power and voltage with a small device, they find wide application in control of electric power, ranging from light dimmers and electric motor speed control to high-voltage direct current power transmission. Thyristors may be used in power-switching circuits, relay-replacement circuits, inverter circuits, oscillator circuits, level-detector circuits, chopper circuits, light-dimming circuits, low-cost timer circuits, logic circuits, speed-control circuits, phase-control circuits, etc. Originally thyristors relied only on current reversal to turn them off, making them difficult to apply for direct current; newer device types can be turned on and off through the control gate signal. A thyristor is not a proportional device like a transistor. In other words, a thyristor can only be fully on or off, while a transistor can lie in between on and off states. This makes a thyristor unsuitable as an analog amplifier, but useful as a switch.
Transistor > Thyristors > FET Transistors > MOSFET
Part No. Variations
- IRF510112B
- IRF51056A100V
- IRF510A
- IRF510F
- IRF510L
- IRF510PBF
- IRF510PBFMOS
- IRF510S
- IRF510SMOS
- IRF510STRRPBF
- IRF520
- IRF520A
- IRF520CF
- IRF520NS
- IRF520NSTR
- IRF520NSTRP
- IRF520NSTRRMOS
- IRF520R
- IRF520V
- IRF521
- IRF5210
- IRF5210SPIF
- IRF5210STR
- IRF5210STRL
- IRF521FORMED
- IRF530
- IRF5305
- IRF5305PBE
- IRF5305PBF
- IRF5305S
- IRF5305SPBF
- IRF5305STRL
- IRF5305TRPBF
- IRF530A
- IRF530FI
- IRF530N60K
- IRF530NL
- IRF530NPBFMOS
- IRF530NSTRL
- IRF530NSTRRPBF
- IRF530PBF
- IRF530PBFMOS
- IRF530R
- IRF530S
- IRF530SMOS
- IRF530SPBF
- IRF530STRL
- IRF530STRPBF
- IRF530V
- IRF533
- IRF540D84EL2
- IRF540FX
- IRF540NP
- IRF540NPB
- IRF540NPBF
- IRF540NSPBF
- IRF540NSTR
- IRF540NSTRL
- IRF540NSTRLPBF
- IRF540NSTRPBF
- IRF540NSTRR
- IRF540NSTRRPBF
- IRF540NSTRSPBF
- IRF540S
- IRF540STRL
- IRF540Z
- IRF540ZL
- IRF540ZSPBF
- IRF541R
- IRF542
- IRF543H2
- IRF5505
- IRF5634R
- IRF5800TRPBF
- IRF5801TR
- IRF5801TRPBF
- IRF5802D2TRPBF
- IRF5802TRPBF
- IRF5803D2
- IRF5803D2TR
- IRF5804TRPBF
- IRF5805TRPBF
- IRF5806
- IRF5806TR
- IRF5806TRPBF
- IRF5810TR
- IRF5850
- IRF5850TR
- IRF5851
- IRF5851TRPBF
- IRF5852
- IRF5852TR
- IRF5M3710
- IRF5M4905
- IRF5M5210SCV
- IRF5N5210
- IRF5NJ540
- IRF5NJ9540
- IRF5Y31N
- IRF5Y9540CM