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...

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Nexperia 370 μA Constant Current Diode 5-Pin SC-88 75 V
RS Stock No.170-4833BrandNexperiaManufacturers Part No.PSSI2021SAY,115

€ 649.77

€ 0.217 Each (On a Reel of 3000) (Exc. Vat)

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Nexperia
Constant Current Diode
-
Constant Current Source
Surface
SC-88
5
-
75V
-
1mm
PSSI2021SAY
2.2mm
No
150°C
1.35 mm
-65°C
370μA
No

€ 6.27

€ 0.313 Each (In a Pack of 20) (Exc. Vat)

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DiodesZetex
Constant Current Diode
-
Linear LED CONSTANT CURRENT REGULATOR
Surface
SOT-26
6
-
40V
-
1.3mm
BCR421
3.1mm
No
150°C
1.7 mm
-55°C
1.2mA
AEC-Q100

€ 4.98

€ 0.996 Each (In a Pack of 5) (Exc. Vat)

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Texas Instruments
Constant Current Diode
±3 %
Current Regulator
Through Hole
TO-92
3
1V
40V
Current
5.2mm
LM334
5.2mm
No
70°C
4.19 mm
0°C
10mA
No

€ 18.15

€ 3.63 Each (In a Pack of 5) (Exc. Vat)

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Texas Instruments
Programmable Current Source
±3 %
Current Regulator
Through Hole
TO-92
3
1V
40V
Current
5.2mm
LM234
5.2mm
No
100°C
4.19 mm
-25°C
10mA
No
DiodesZetex AL5809-30QP1-7 150 mA Constant Current Diode 2-Pin PDI123 60 V
Also available in industry standard packaging
RS Stock No.133-3334BrandDiodesZetexManufacturers Part No.AL5809-30QP1-7

€ 8.01

€ 0.401 Each (In a Pack of 20) (Exc. Vat)

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DiodesZetex
Constant Current Diode
±5 %
2-Terminal Constant Current LED Driver
Surface
PDI123
2
2.5V
60V
Low Side, High Side
1mm
AL5809
3mm
No
150°C
1.93 mm
-40°C
150mA
No
Texas Instruments Constant Current Diode 8-Pin SOIC 40 V
RS Stock No.197-7486BrandTexas InstrumentsManufacturers Part No.REF200AU

€ 825.82

€ 11.011 Each (In a Tube of 75) (Exc. Vat)

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Texas Instruments
Constant Current Diode
±0.5 %
-
Surface
SOIC
8
2.5V
40V
Current
1.75mm
REF200
5mm
No
85°C
3.98 mm
-25°C
-
No
DiodesZetex AL5809-50QP1-7 150 mA Constant Current Diode 2-Pin PDI123 60 V
Also available in industry standard packaging
RS Stock No.133-3335BrandDiodesZetexManufacturers Part No.AL5809-50QP1-7

€ 11.42

€ 0.571 Each (In a Pack of 20) (Exc. Vat)

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DiodesZetex
Constant Current Diode
±5 %
Constant Current Regulator (CCR)
Surface
PDI123
2
2.5V
60V
High Side, Low Side
1mm
AL5809Q
3mm
TS16949, AEC-Q100, Halogen and Antimony Free, RoHS
150°C
1.93 mm
-40°C
150mA
AEC-Q100 Grade 3

€ 12.83

€ 12.83 Each (Exc. Vat)

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Texas Instruments
Constant Current Diode
±0.5 %
-
Surface
SOIC
8
2.5V
40V
Current
1.75mm
REF200
5mm
No
85°C
3.98 mm
-25°C
-
No

€ 7.26

€ 1.452 Each (In a Pack of 5) (Exc. Vat)

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Texas Instruments
Programmable Current Source
±3 %
Current Regulator
Through Hole
TO-92
3
1V
30V
Current
5.2mm
LM234
5.2mm
No
100°C
4.19 mm
-25°C
10mA
No

€ 6.66

€ 1.331 Each (In a Pack of 5) (Exc. Vat)

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Texas Instruments
Constant Current Diode
±3 %
Current Regulator
Surface
SOIC
8
1V
40V
Current
1.45mm
LM334
4.9mm
No
70°C
3.9 mm
0°C
10mA
No
DiodesZetex 1.2 mA Constant Current Diode 6-Pin SOT-26 40 V
RS Stock No.168-9550BrandDiodesZetexManufacturers Part No.BCR421UW6Q-7

€ 606.21

€ 0.202 Each (On a Reel of 3000) (Exc. Vat)

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DiodesZetex
Constant Current Diode
-
Linear LED CONSTANT CURRENT REGULATOR
Surface
SOT-26
6
-
40V
-
1.3mm
BCR421
3.1mm
No
150°C
1.7 mm
-55°C
1.2mA
AEC-Q100
DiodesZetex 150 mA Constant Current Diode 2-Pin PDI123 60 V
RS Stock No.168-9539BrandDiodesZetexManufacturers Part No.AL5809-30QP1-7

€ 1,059.96

€ 0.353 Each (On a Reel of 3000) (Exc. Vat)

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DiodesZetex
Constant Current Diode
±5 %
2-Terminal Constant Current LED Driver
Surface
PDI123
2
2.5V
60V
Low Side, High Side
1mm
AL5809
3mm
No
150°C
1.93 mm
-40°C
150mA
No
DiodesZetex 150 mA Constant Current Diode 2-Pin PDI123 60 V
RS Stock No.168-9540BrandDiodesZetexManufacturers Part No.AL5809-50QP1-7

€ 1,089.00

€ 0.363 Each (On a Reel of 3000) (Exc. Vat)

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DiodesZetex
Constant Current Diode
±5 %
Constant Current Regulator (CCR)
Surface
PDI123
2
2.5V
60V
High Side, Low Side
1mm
AL5809Q
3mm
TS16949, AEC-Q100, Halogen and Antimony Free, RoHS
150°C
1.93 mm
-40°C
150mA
AEC-Q100 Grade 3
DiodesZetex 150 mA Constant Current Diode 2-Pin PDI123 60 V
RS Stock No.168-9536BrandDiodesZetexManufacturers Part No.AL5809-120QP1-7

€ 1,234.20

€ 0.411 Each (On a Reel of 3000) (Exc. Vat)

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DiodesZetex
Constant Current Diode
±5 %
2-Terminal Constant Current LED Driver
Surface
PDI123
2
2.5V
60V
Low Side, High Side
1mm
AL5809
3mm
No
150°C
1.93 mm
-40°C
150mA
No
DiodesZetex 20 mA Constant Current Diode 6-Pin SOT-23 6 V
RS Stock No.165-8354BrandDiodesZetexManufacturers Part No.AP2502KTR-G1

€ 617.10

€ 0.206 Each (On a Reel of 3000) (Exc. Vat)

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DiodesZetex
Constant Current Diode
-
4-Channel Linear Constant Current Sink
Surface
SOT-23
6
2V
6V
-
1.3mm
AP2502
3.02mm
No
85°C
1.7 mm
-40°C
20mA
No
DiodesZetex AL5809-120QP1-7 150 mA Constant Current Diode 2-Pin PDI123 60 V
Also available in industry standard packaging
RS Stock No.133-3331BrandDiodesZetexManufacturers Part No.AL5809-120QP1-7

€ 9.10

€ 0.455 Each (In a Pack of 20) (Exc. Vat)

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DiodesZetex
Constant Current Diode
±5 %
2-Terminal Constant Current LED Driver
Surface
PDI123
2
2.5V
60V
Low Side, High Side
1mm
AL5809
3mm
No
150°C
1.93 mm
-40°C
150mA
No
DiodesZetex AP2502KTR-G1 20 mA Constant Current Diode 6-Pin SOT-23 6 V
Also available in industry standard packaging
RS Stock No.921-0477BrandDiodesZetexManufacturers Part No.AP2502KTR-G1

€ 8.86

€ 0.295 Each (In a Pack of 30) (Exc. Vat)

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DiodesZetex
Constant Current Diode
-
4-Channel Linear Constant Current Sink
Surface
SOT-23
6
2V
6V
-
1.3mm
AP2502
3.02mm
No
85°C
1.7 mm
-40°C
20mA
No
Nexperia PSSI2021SAY,115 370 μA Constant Current Diode 5-Pin SC-88 75 V
Also available in industry standard packaging
RS Stock No.170-5384BrandNexperiaManufacturers Part No.PSSI2021SAY,115

€ 5.99

€ 0.24 Each (In a Pack of 25) (Exc. Vat)

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Nexperia
Constant Current Diode
-
Constant Current Source
Surface
SC-88
5
-
75V
-
1mm
PSSI2021SAY
2.2mm
No
150°C
1.35 mm
-65°C
370μA
No
Texas Instruments 10 mA Constant Current Diode 3-Pin TO-92 40 V
RS Stock No.121-8833BrandTexas InstrumentsManufacturers Part No.LM334Z/NOPB

€ 1,317.69

€ 0.732 Each (In a Box of 1800) (Exc. Vat)

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Texas Instruments
Constant Current Diode
±3 %
Current Regulator
Through Hole
TO-92
3
1V
40V
Current
5.2mm
LM334
5.2mm
No
70°C
4.19 mm
0°C
10mA
No
Texas Instruments 10 mA Constant Current Diode 8-Pin SOIC 40 V
RS Stock No.208-8575BrandTexas InstrumentsManufacturers Part No.LM334MX/NOPB

€ 1,830.12

€ 0.732 Each (On a Reel of 2500) (Exc. Vat)

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Texas Instruments
Constant Current Diode
±3 %
Current Regulator
Surface
SOIC
8
1V
40V
Current
1.75mm
LM334
5mm
No
70°C
3.98 mm
0°C
10mA
No