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

9.105 OMR

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

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

204.068 OMR

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

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

313.950 OMR

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

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

22.134 OMR

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

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

1,145.918 OMR

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

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STMicroelectronics
CMOS Timer
-
Surface
Timer
-
SO
-
2
14
-
-
-
16V
2V
-
-
-
100ns
-40°C
125°C
-
-
No
8.75mm
4 mm
1.65mm
-
-
10pF
-
No
TS
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

8.791 OMR

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

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

7.377 OMR

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

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

6.279 OMR

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

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Renesas Electronics
Programmable Timer Circuit
-
Through Hole
-
-
PDIP
-
1
8
-
-
-
18V
2V
-
-
-
-
-25°C
85°C
-
-
RoHS
10.16mm
7.11 mm
4.95mm
-
-
-
-
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

0.797 OMR

0.797 OMR Each (ex VAT)

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

4.709 OMR

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

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

8.702 OMR

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

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

10.988 OMR

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

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

8.163 OMR

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

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

597.447 OMR

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

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Texas Instruments
Timer Circuit
-
Through Hole
Timer
-
CDIP
-
1
8
-
-
-
18V
4.5V
-
-
-
15ns
-40°C
85°C
-
-
No
5mm
4 mm
1.75mm
-
-
15pF
-
No
SE555JG
Texas Instruments TLC TLC555CDR Timer, 1, 8-Pin SOIC
Also available in industry standard packaging
RS Stock No.662-4006BrandTexas InstrumentsManufacturers Part No.TLC555CDR

3.014 OMR

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

Add to basket
Texas Instruments
Timer
-
Surface
-
-
SOIC
-
1
8
-
-
-
15V
2V
-
-
-
75ns
0°C
70°C
-
-
No
4.9mm
3.91 mm
1.58mm
-
-
10pF
-
No
TLC
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

2.072 OMR

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

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

86.650 OMR

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

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

22.918 OMR

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

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

4.835 OMR

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

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Renesas Electronics
Programmable Timer Circuit
-
Through Hole
-
-
PDIP
-
2
14
-
-
-
18V
2V
-
-
-
-
-25°C
85°C
-
-
RoHS
19.68mm
7.11 mm
4.95mm
-
-
-
-
No
ICM
Texas Instruments SA Timer Circuit, 1, 8-Pin PDIP
RS Stock No.920-3431BrandTexas InstrumentsManufacturers Part No.SA555P

5.965 OMR

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

Add to basket
Texas Instruments
Timer Circuit
-
Through Hole
-
-
PDIP
-
1
8
-
-
-
16V
4.5V
-
-
-
15ns
-40°C
85°C
-
-
No
9.81mm
6.35 mm
4.57mm
-
-
15pF
-
No
SA