1A Voltage Regulator ICs

1A Voltage Regulators

The 78xx and 79 series of three-terminal positive and negative voltage regulators. Although designed primarily as fixed voltage regulators, these devices can be used with external components to obtain adjustable voltages and currents.

TO-220 package
Internal current limiting & thermal shut-down
1A rating subject to sufficient heatsinking

The LM2940 series of 1A (subject to sufficient heatsinking) positive regulator:

Dropout voltage 0.5V typ. (1V max. over the entire temperature range)
Low quiescent current
Designed for automotiver applications, protected against reverse battery connection and 2-battery jumps
Short circuit and thermal overload protection
Supplied in a plastic TO-220 package

$2.27 $0.60 ($0.73 UK, incl VAT)
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Voltage Regulator L7818CV +18V
2230-145
$0.50 $0.38 ($0.45 UK, incl VAT)
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Voltage Regulator L7806CV +6V
2230-124
$0.44 ($0.53 UK, incl VAT)
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Voltage Regulator L7808CV +8V
2230-128
$0.52 ($0.63 UK, incl VAT)
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Voltage Regulator L7824CV +24V
2230-170
$0.86 ($1.03 UK, incl VAT)
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Voltage Regulator L7905CV -5V
2230-130
$0.52 ($0.63 UK, incl VAT)
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Voltage Regulator L7908CV -8V
2230-135
$0.52 ($0.63 UK, incl VAT)
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Voltage Regulator L7918CT -18V
2230-168
$0.66 ($0.80 UK, incl VAT)
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