Constant Current Diodes

A constant current diode, also called a current limiting diode (CLD), is an electronic device that regulates or limits current to a maximum value. This is important as it protects your circuit from harmful effects in the event of a short-circuit.

How do constant current diodes work?

Constant current diodes are made from a junction field effect transistor, the simplest type of three-terminal semiconductor transistor which functions like a current limiter. They allow the current running through them to rise to a certain point and level off at a specific value. Unlike zener diodesconstant current diodes maintain a constant current instead of the constant voltage.

Applications for constant current diodes

Constant current diodes can be used in several circuit applications. Examples of devices using constant current diodes include waveform generator circuits, timing circuits and battery chargers. Constant current diodes can also be used as a constant current source for LED driversand can be used to replace holding coils in telephone connection devices.


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Description Price Maximum Regulator Current Number of Elements per Chip Maximum Peak Operating Voltage Minimum Dynamic Impedance Maximum Limiting Voltage Mounting Type Package Type Pin Count Dimensions Length Width Height Maximum Operating Temperature Minimum Operating Temperature
RS Stock No. 761-8627
Mfr. Part No.LT3092ITS8#TRMPBF
kr 43,67
Each
Units
- 1 40V - - Surface Mount SOT-23 8 2.9 x 1.75 x 0.9mm 2.9mm 1.75mm 0.9mm +125 °C -40 °C
RS Stock No. 822-5869
Mfr. Part No.LT3092IST#PBF
kr 48,755
Each (In a Pack of 2)
Units
- 1 - - - Surface Mount SOT-223 3 + Tab 6.71 x 3.71 x 1.6984mm 6.71mm 3.71mm 1.698mm +125 °C -40 °C
RS Stock No. 920-0060
Mfr. Part No.LT3092IST#PBF
kr 27,293
Each (In a Tube of 78)
Units
- 1 - - - Surface Mount SOT-223 3 + Tab 6.71 x 3.71 x 1.6984mm 6.71mm 3.71mm 1.698mm +125 °C -40 °C
RS Stock No. 145-0208
Mfr. Part No.LT3092EST#PBF
kr 24,074
Each (In a Tube of 78)
Units
- 1 - - - Surface Mount SOT-223 3 + Tab 6.71 x 3.71 x 1.8mm 6.71mm 3.71mm 1.8mm +125 °C -40 °C
RS Stock No. 858-0898
Mfr. Part No.LT3092ETS8#TRMPBF
kr 43,03
Each (In a Pack of 5)
Units
- 1 40V - - Surface Mount TSOT-23 8 2.9 x 1.75 x 0.9mm 2.9mm 1.75mm 0.9mm +125 °C -40 °C
RS Stock No. 155-7505
Mfr. Part No.LT3092IDD#PBF
kr 25,146
Each (In a Tube of 121)
Units
- 1 - - - Surface Mount DFN 8 3 x 3 x 0.75mm 3mm 3mm 0.75mm +125 °C -40 °C
RS Stock No. 919-9238
Mfr. Part No.LT3092ITS8TRMPBF
kr 24,842
Each (On a Reel of 500)
Units
- 1 40V - - Surface Mount SOT-23 8 2.9 x 1.75 x 0.9mm 2.9mm 1.75mm 0.9mm +125 °C -40 °C
RS Stock No. 822-5901
Mfr. Part No.LT3092IDD#PBF
kr 39,08
Each (In a Pack of 2)
Units
- 1 - - - Surface Mount DFN 8 3 x 3 x 0.75mm 3mm 3mm 0.75mm +125 °C -40 °C
RS Stock No. 779-9615
Mfr. Part No.LT3092EST#PBF
kr 44,065
Each (In a Pack of 2)
Units
- 1 - - - Surface Mount SOT-223 3 + Tab 6.71 x 3.71 x 1.8mm 6.71mm 3.71mm 1.8mm +125 °C -40 °C
RS Stock No. 156-5698
Mfr. Part No.LT3092ETS8#TRMPBF
kr 39,117
Each (On a Reel of 500)
Units
- 1 40V - - Surface Mount TSOT-23 8 2.9 x 1.75 x 0.9mm 2.9mm 1.75mm 0.9mm +125 °C -40 °C