Timer Circuits

Timer circuits are used to control one or more sequences of events within an electronic system. Timer circuits work by changing the circuit from its current state to another in advance following a set parameter.

Where would I use a timer circuit?

You can use timer circuits for a wide range of basic timing functions, like turning a light on for a certain amount of time or on and o...

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Texas Instruments NE NE555P Monostable Circuit, 1, 8-Pin PDIP
RS Stock No.221-5535BrandTexas InstrumentsManufacturers Part No.NE555P

9.135 OMR

0.183 OMR Each (In a Pack of 50) (ex VAT)

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Texas Instruments
-
Through Hole
Monostable Circuit
Adjustable & Monostable
PDIP
-
-
1
8
-
-
-
4.5V
16V
-
-
-
-
0°C
-
70°C
-
9.81mm
No
4.57mm
6.6 mm
No
NE
-
15pF
-
-
Texas Instruments NE555DR Timer Circuit, 1, 8-Pin SOIC
RS Stock No.197-7392BrandTexas InstrumentsManufacturers Part No.NE555DR

197.925 OMR

0.079 OMR Each (On a Reel of 2500) (ex VAT)

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Texas Instruments
-
Through Hole
Timer Circuit
Timer
SOIC
-
-
1
8
-
-
-
4.5V
18V
-
-
-
-
0°C
-
70°C
-
5mm
No
1.75mm
4 mm
No
NE555DR
-
15pF
-
-
Texas Instruments NE556DR Timer Circuit, 1, 14-Pin SOIC
RS Stock No.197-7394BrandTexas InstrumentsManufacturers Part No.NE556DR

304.500 OMR

0.122 OMR Each (On a Reel of 2500) (ex VAT)

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Texas Instruments
-
Through Hole
Timer Circuit
Timer
SOIC
-
-
1
14
-
-
-
4.5V
18V
-
-
-
-
0°C
-
70°C
-
5mm
No
1.75mm
4 mm
No
NE556DR
-
15pF
-
-
Texas Instruments xx555 SA555D Timer, 1, 8-Pin SOIC
RS Stock No.218-4553BrandTexas InstrumentsManufacturers Part No.SA555D

21.467 OMR

0.287 OMR Each (In a Tube of 75) (ex VAT)

Add to basket
Texas Instruments
-
Surface
Timer
Timer
SOIC
-
-
1
8
-
-
-
4.5V
18V
-
-
-
15ns
-40°C
-
85°C
-
5mm
No
1.75mm
4 mm
No
xx555
-
15pF
-
-
STMicroelectronics TS CMOS Timer, 2, 14-Pin SO
RS Stock No.188-9229BrandSTMicroelectronicsManufacturers Part No.TS556IDTTR

1,096.200 OMR

0.439 OMR Each (On a Reel of 2500) (ex VAT)

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STMicroelectronics
-
Surface
CMOS Timer
Timer
SO
-
-
2
14
-
-
-
2V
16V
-
-
-
100ns
-40°C
-
125°C
-
8.75mm
No
1.65mm
4 mm
No
TS
-
10pF
-
-
DiodesZetex NE NE555S-13 Precision Timer Circuit, 1, 8-Pin SOIC
Also available in industry standard packaging
RS Stock No.823-4043BrandDiodesZetexManufacturers Part No.NE555S-13

8.222 OMR

0.165 OMR Each (In a Pack of 50) (ex VAT)

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DiodesZetex
-
Surface
Precision Timer Circuit
Precision
SOIC
-
-
1
8
-
-
-
4.5V
16V
-
-
-
-
0°C
-
70°C
-
4.95mm
No
1.5mm
3.95 mm
No
NE
-
15pF
-
-
Texas Instruments NE NE556N Timer Circuit, 2, 14-Pin PDIP
RS Stock No.528-416BrandTexas InstrumentsManufacturers Part No.NE556N

7.156 OMR

0.287 OMR Each (In a Tube of 25) (ex VAT)

Add to basket
Texas Instruments
-
Through Hole
Timer Circuit
-
PDIP
-
-
2
14
-
-
-
4.5V
16V
-
-
-
-
0°C
-
70°C
-
19.3mm
No
4.57mm
6.35 mm
No
NE
-
15pF
-
-

5.968 OMR

0.596 OMR Each (In a Pack of 10) (ex VAT)

Add to basket
Renesas Electronics
-
Through Hole
Programmable Timer Circuit
-
PDIP
-
-
1
8
-
-
-
2V
18V
-
-
-
-
-25°C
-
85°C
-
10.16mm
RoHS
4.95mm
7.11 mm
No
ICM
-
-
-
-
Texas Instruments TLC TLC555IP Timer Circuit, 1, 8-Pin PDIP
Also available in industry standard packaging
RS Stock No.346-7024BrandTexas InstrumentsManufacturers Part No.TLC555IP

1.462 OMR

1.462 OMR Each (ex VAT)

Add to basket
Texas Instruments
-
Through Hole
Timer Circuit
-
PDIP
-
-
1
8
-
-
-
3V
15V
-
-
-
75ns
-40°C
-
85°C
-
9.81mm
No
4.57mm
6.35 mm
No
TLC
-
10pF
-
-

4.568 OMR

0.091 OMR Each (In a Pack of 50) (ex VAT)

Add to basket
Texas Instruments
-
Through Hole
Timer Circuit
Timer
SOIC
-
-
1
8
-
-
-
4.5V
18V
-
-
-
-
0°C
-
70°C
-
5mm
No
1.75mm
4 mm
No
NE555DR
-
15pF
-
-

8.611 OMR

4.306 OMR Each (In a Pack of 2) (ex VAT)

Add to basket
Renesas Electronics
-
Through Hole
Timer Circuit
-
PDIP
-
-
1
8
-
-
-
2V
16V
-
-
-
-
-25°C
-
85°C
-
10.16mm
No
4.95mm
8.25 mm
No
ICM
-
-
-
-
Texas Instruments NE Monostable Circuit, 1, 8-Pin PDIP
RS Stock No.866-0199BrandTexas InstrumentsManufacturers Part No.NE555P

10.658 OMR

0.213 OMR Each (In a Tube of 50) (ex VAT)

Add to basket
Texas Instruments
-
Through Hole
Monostable Circuit
Adjustable & Monostable
PDIP
-
-
1
8
-
-
-
4.5V
16V
-
-
-
-
0°C
-
70°C
-
9.81mm
No
4.57mm
6.6 mm
No
NE
-
15pF
-
-
Texas Instruments xx555 Timer, 1, 8-Pin SOIC
RS Stock No.218-4555BrandTexas InstrumentsManufacturers Part No.SA555D

7.612 OMR

0.304 OMR Each (In a Pack of 25) (ex VAT)

Add to basket
Texas Instruments
-
Surface
Timer
Timer
SOIC
-
-
1
8
-
-
-
4.5V
18V
-
-
-
15ns
-40°C
-
85°C
-
5mm
No
1.75mm
4 mm
No
xx555
-
15pF
-
-
Texas Instruments SE555JG Timer Circuit, 1, 8-Pin CDIP
RS Stock No.197-7495BrandTexas InstrumentsManufacturers Part No.SE555JG

564.238 OMR

11.284 OMR Each (In a Tube of 50) (ex VAT)

Add to basket
Texas Instruments
-
Through Hole
Timer Circuit
Timer
CDIP
-
-
1
8
-
-
-
4.5V
18V
-
-
-
15ns
-40°C
-
85°C
-
5mm
No
1.75mm
4 mm
No
SE555JG
-
15pF
-
-
Maxim Integrated ICM Timer Circuit, 1, 8-Pin PDIP
RS Stock No.190-4885BrandMaxim IntegratedManufacturers Part No.ICM7242IPA+

110.229 OMR

2.205 OMR Each (In a Tube of 50) (ex VAT)

Add to basket
Maxim Integrated
-
Through Hole
Timer Circuit
-
PDIP
-
-
1
8
-
-
-
2V
16V
-
-
-
-
0°C
-
85°C
-
9.91mm
No
4.45mm
7.87 mm
No
ICM
-
10pF
-
-
Texas Instruments TLC TLC555CDR Timer, 1, 8-Pin SOIC
Also available in industry standard packaging
RS Stock No.662-4006BrandTexas InstrumentsManufacturers Part No.TLC555CDR

2.862 OMR

0.287 OMR Each (In a Pack of 10) (ex VAT)

Add to basket
Texas Instruments
-
Surface
Timer
-
SOIC
-
-
1
8
-
-
-
2V
15V
-
-
-
75ns
0°C
-
70°C
-
4.9mm
No
1.58mm
3.91 mm
No
TLC
-
10pF
-
-
Texas Instruments SA SA555P Timer Circuit, 1, 8-Pin PDIP
Also available in industry standard packaging
RS Stock No.517-1618BrandTexas InstrumentsManufacturers Part No.SA555P

1.888 OMR

0.189 OMR Each (In a Pack of 10) (ex VAT)

Add to basket
Texas Instruments
-
Through Hole
Timer Circuit
-
PDIP
-
-
1
8
-
-
-
4.5V
16V
-
-
-
15ns
-40°C
-
85°C
-
9.81mm
No
4.57mm
6.35 mm
No
SA
-
15pF
-
-
Maxim Integrated ICM Timer Circuit, 1, 14-Pin SOIC
RS Stock No.190-4887BrandMaxim IntegratedManufacturers Part No.ICM7556ISD+

84.042 OMR

1.681 OMR Each (In a Tube of 50) (ex VAT)

Add to basket
Maxim Integrated
-
Surface
Timer Circuit
-
SOIC
-
-
1
14
-
-
-
2V
18V
-
-
-
-
-20°C
-
85°C
-
8.75mm
No
1.5mm
4 mm
No
ICM
-
10pF
-
-
Texas Instruments TLC555 TLC555CP Timer Circuit, 1, 8-Pin PDIP
RS Stock No.197-7573BrandTexas InstrumentsManufacturers Part No.TLC555CP

21.620 OMR

0.433 OMR Each (In a Tube of 50) (ex VAT)

Add to basket
Texas Instruments
-
Surface
Timer Circuit
Timer
PDIP
-
-
1
8
-
-
-
2V
15V
-
-
-
75ns
0°C
-
70°C
-
9.81mm
No
4.57mm
4 mm
No
TLC555
-
10pF
-
-

4.568 OMR

0.914 OMR Each (In a Pack of 5) (ex VAT)

Add to basket
Renesas Electronics
-
Through Hole
Programmable Timer Circuit
-
PDIP
-
-
2
14
-
-
-
2V
18V
-
-
-
-
-25°C
-
85°C
-
19.68mm
RoHS
4.95mm
7.11 mm
No
ICM
-
-
-
-