三端稳压器系列主要为78系列及79系列.78系列为正输出电流.79系列为负输出电流.输出电流伏数为:5V.6V.8V.10V.12V.15V.18V.24V.
三端稳压器有不同的输出电流数值:78LXX.0.1A 78DLXX.0.25A 78NXX.0.3A 78MXX.0.5A 78XX.1.5A 78TXX.3A 78HXX.5A 78PXX.10A.


78Hxx, 78H05, 78H12, 78H15, 78H24
Fixed voltage 5A positive power supply regulator Vin must exceed Vout by at least 3V, but may not exceed 40V.
TO 220
+---+2
+===+
| ##|
+++++    1: Vin
|||     2: GND
|||     3: Vout
1 2 3


78Lxx, 78L05, 78L06, 78L07, 78L08, 78L09, 78L10, 78L12, 78L15, 78L24
Fixed voltage 100mA positive power supply regulator.
Vin must exceed Vout by at least 3V, but may not exceed 40V.
TO 92
+---+
| ##|
+++++    1: Vout
|||     2: GND
|||     3: Vin
1 2 3


78Txx, 78T05, 78T12, 78T15, 78T24
Fixed voltage 3A positive power supply regulator Vin must exceed Vout by at least 3V, but may not exceed 40V.
TO 220
+---+2
+===+
| ##|
+++++    1: Vin
|||     2: GND
|||     3: Vout
1 2 3


78xx, 7805, 7806, 7807, 7808, 7809, 7810, 7812, 7815, 7824
Fixed voltage 1A positive power supply regulator.
Vin must exceed Vout by at least 3V, but may not exceed 40V.
TO 220
+---+2
+===+
| ##|
+++++    1: Vin
|||     2: GND
|||     3: Vout
1 2 3


79Lxx, 79L05, 79L06, 79L07, 79L08, 79L09, 79L10, 79L12, 79L15, 79L24
Fixed voltage 100mA negative power supply regulator.
Vin must exceed Vout by at least -3V, but may not exceed -40V.
TO 92
+---+
| ##|
+++++    1: GND
|||     2: Vin
|||     3: Vout
1 2 3


79xx, 7905, 7906, 7907, 7908, 7909, 7910, 7912, 7915, 7924
Fixed voltage 1A negative power supply regulator Vin must exceed Vout by at least -3V, but may not exceed -40V.
TO 220
+---+2
+===+
| ##|
+++++    1: GND
|||     2: Vin
|||     3: Vout
1 2 3


LM317T
1.2 to 57V 1,5A positive power supply regulator.
TO 220
+---+2
+===+
| ##|
+++++    1: Adj
|||     2: Vout
|||     3: Vin
1 2 3


LM337T
-1.2 to -57V 1,5A negative power supply regulator.
TO 220
+---+2
+===+
| ##|
+++++    1: Adj
|||     2: Vin
|||     3: Vout
1 2 3


LM338
1.2 to 32V 5A positive power supply regulator.
TO 220
+---+2
+===+
| ##|
+++++    1: Adj
|||     2: Vout
|||     3: Vin
1 2 3


LM350
1.2 to 32V 3A positive power supply regulator.
TO 220
+---+2
+===+
| ##|
+++++    1: Adj
|||     2: Vout
|||     3: Vin
1 2 3


TL783C
1.3 to 125V 700mA high voltage positive power supply regulator.
TO 220
+---+2
+===+
| ##|
+++++    1: Adj
|||     2: Vout
|||     3: Vin
1 2 3