Shunt Regulators

Part NameOrderPt (W)Total power
dissipation
(W)
Vo
(V)
max.
Vref
(V)
typ.
VKA
(V)
Ik
(mA)
max.
IoffTopa[Tjopa]
(degC)
min.
Topa[Tjopa]
(degC)
max.
UPC1944Tcontact-320.0-1.262430--3085.0
UPC1943Tcontact-320.0-1.262430--3085.0
UPC1093TAcontact-180.0-2.49536100--2085.0
UPC1093Tcontact-400.0-2.49536100--2085.0
UPC1093Gcontact-480.0-2.49536100--2085.0
HA17L432UPcontact-800.0-1.2416501-85.0
HA17L432ALTPcontact-150.0-1.2416501-85.0
HA17L431UPcontact-800.0-1.2416501-85.0
HA17L431ALTPcontact-150.0-1.2416501-85.0
HA17L431ALPcontact-150.0-1.2416501-85.0
HA17432VUPcontact-800.0-2.516501-85.0
HA17432VLTPcontact-150.0-2.516501-85.0
HA17432UAcontact-800.0-2.495401501-85.0
HA17432HUPcontact-800.0-2.536501-85.0
HA17432HLTPcontact-150.0-2.536501-85.0
HA17432GUPcontact-800.0-2.5401001-85.0
HA17431VUPcontact-800.0-2.516501-85.0
HA17431VLTPcontact-150.0-2.516501-85.0
HA17431VLPcontact-150.0-2.516501-85.0
HA17431UAcontact-800.0-2.495401501-85.0
HA17431HUPcontact-800.0-2.536501-85.0
HA17431HLTPcontact-150.0-2.536501-85.0
HA17431HLPcontact-150.0-2.536501-85.0
HA17431GUPcontact-800.0-2.5401001-85.0
HA17431GLTPAcontact-150.0-2.5401001-85.0
HA17431GLPAcontact-150.0-2.5401001-85.0
HA17L431APcontact-500.0-1.2416501-85.0
HA17431VPcontact-500.0-2.516501-85.0
HA17431PNAcontact-500.0-2.495401501-85.0
HA17431PAcontact-800.0-2.495401501-85.0
HA17431HPcontact-500.0-2.536501-85.0
HA17431GPAcontact-500.0-2.5401001-85.0
HA17431GPcontact-500.0-2.5401001-85.0
HA17431Pcontact---2.49540-1--
UPC1945TAcontact-90.0-1.26512--2085.0
UPC1944GRcontact-385.0-1.262430--3085.0
HA17L431Pcontact---1.2416-1--
HA17L431LPcontact---1.2416-1--
HA17431VPJcontact---2.516-1--
HA17431PNAJcontact---2.49540-1--
HA17431PJcontact---2.49540-1--
HA17431PAJcontact---2.49540-1--
HA17431GLTPcontact-150.0-2.5401001-85.0
HA17431GLPcontact-150.0-2.5401001-85.0
HA17431FPJcontact---2.49540-1--
HA17431FPAJcontact---2.49540-1--
HA17431FPAcontact---2.49540-1--
HA17431FPcontact---2.49540-1--

These are the standard reference voltage source widely used by the feedback circuits of switching power supplies and so on. Compared to the Zener diode, which is a discrete product, a shunt regulator has much better voltage precision because voltage control is carried out as an IC.