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 NE555DR NE555DR, Timer Circuit, 8-Pin SOIC
Texas Instruments NE555DR NE555DR, Timer Circuit, 8-Pin SOIC
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RS Stock No.: 197-7392Brand: Texas InstrumentsManufacturers Part No.: NE555DRHSN Code: 85423990

SR 1,581.25

SR 0.632 Each (On a Reel of 2500) (ex VAT)

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2500

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2500SR 0.632
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Texas Instruments
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SOIC
1
8
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NE555DR
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Texas Instruments NE556DR NE556DR, Timer Circuit, 14-Pin SOIC
Texas Instruments NE556DR NE556DR, Timer Circuit, 14-Pin SOIC
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RS Stock No.: 197-7394Brand: Texas InstrumentsManufacturers Part No.: NE556DRHSN Code: 85423390

SR 3,076.25

SR 1.23 Each (On a Reel of 2500) (ex VAT)

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2500

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2500SR 1.23
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Texas Instruments
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SOIC
1
14
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NE556DR
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STMicroelectronics TS556IDTTR, CMOS Timer, Dual 2.7MHz, 14-Pin SO
STMicroelectronics TS556IDTTR, CMOS Timer, Dual 2.7MHz, 14-Pin SO
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RS Stock No.: 188-9229Brand: STMicroelectronicsManufacturers Part No.: TS556IDTTRHSN Code: 85423990

SR 12,535.00

SR 5.014 Each (On a Reel of 2500) (ex VAT)

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2500SR 5.014
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STMicroelectronics
Surface Mount
-
SO
2
14
2.7MHz
2 V
16 V
-40 °C
+125 °C
-
8mA
-2mA
100 ns @ 10 pF
8.75 x 4 x 1.65mm
10pF
1.65mm
4mm
-
8.75mm
Texas Instruments NE555DR NE555DR, Timer Circuit, 8-Pin SOIC
Texas Instruments NE555DR NE555DR, Timer Circuit, 8-Pin SOIC
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Also available in industry standard packaging
RS Stock No.: 197-7393Brand: Texas InstrumentsManufacturers Part No.: NE555DRHSN Code: 85423990

SR 40.25

SR 0.805 Each (In a Pack of 50) (ex VAT)

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50

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50SR 0.805
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Texas Instruments
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SOIC
1
8
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NE555DR
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Texas Instruments SE555JG SE555JG, Timer Circuit, 8-Pin CDIP
Texas Instruments SE555JG SE555JG, Timer Circuit, 8-Pin CDIP
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RS Stock No.: 197-7495Brand: Texas InstrumentsManufacturers Part No.: SE555JGHSN Code: 85423990

SR 4,815.05

SR 96.301 Each (In a Tube of 50) (ex VAT)

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50

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50SR 96.301
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Texas Instruments
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CDIP
1
8
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SE555JG
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Texas Instruments TLC555CP, Timer Circuit 2MHz, 8-Pin PDIP
Texas Instruments TLC555CP, Timer Circuit 2MHz, 8-Pin PDIP
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RS Stock No.: 197-7573Brand: Texas InstrumentsManufacturers Part No.: TLC555CPHSN Code: 85423290

SR 175.38

SR 3.508 Each (In a Tube of 50) (ex VAT)

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50

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50SR 3.508
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Texas Instruments
Surface Mount
-
PDIP
1
8
2MHz
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-
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TLC555
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Renesas Electronics 8535AGI-31LF, Clock Buffer 40MHz, 20-Pin TSSOP
Renesas Electronics 8535AGI-31LF, Clock Buffer 40MHz, 20-Pin TSSOP
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RS Stock No.: 217-7924Brand: Renesas ElectronicsManufacturers Part No.: 8535AGI-31LFHSN Code: 85423990

SR 3,226.99

SR 43.608 Each (In a Tube of 74) (ex VAT)

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74

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74SR 43.608
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Renesas Electronics
Surface Mount
-
TSSOP
-
20
40MHz
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-
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Renesas Electronics CP82C54 CP82C54-10Z, Programmable Timer, 6 10MHz, 24-Pin PDIP
Renesas Electronics CP82C54 CP82C54-10Z, Programmable Timer, 6 10MHz, 24-Pin PDIP
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RS Stock No.: 235-5218Brand: Renesas ElectronicsManufacturers Part No.: CP82C54-10ZHSN Code: 85423990

SR 1,733.28

SR 115.552 Each (In a Tube of 15) (ex VAT)

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15

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Renesas Electronics
Through Hole
Programmable
PDIP
6
24
10MHz
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CP82C54
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Renesas Electronics CP82C54 CP82C54-10Z, Programmable Timer, 6 10MHz, 24-Pin PDIP
Renesas Electronics CP82C54 CP82C54-10Z, Programmable Timer, 6 10MHz, 24-Pin PDIP
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Also available in industry standard packaging
RS Stock No.: 235-5219Brand: Renesas ElectronicsManufacturers Part No.: CP82C54-10ZHSN Code: 85423990

SR 128.13

SR 128.13 Each (ex VAT)

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1

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1SR 128.13
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Renesas Electronics
Through Hole
Programmable
PDIP
6
24
10MHz
-
-
-
-
-
-
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CP82C54
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Renesas Electronics CP82C54 CP82C54Z, Programmable Timer, 6 8MHz, 24-Pin PDIP
Renesas Electronics CP82C54 CP82C54Z, Programmable Timer, 6 8MHz, 24-Pin PDIP
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RS Stock No.: 235-5220Brand: Renesas ElectronicsManufacturers Part No.: CP82C54ZHSN Code: 85423990

SR 1,494.37

SR 99.624 Each (In a Tube of 15) (ex VAT)

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15

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15SR 99.624
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Renesas Electronics
Through Hole
Programmable
PDIP
6
24
8MHz
-
-
-
-
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-
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CP82C54
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Renesas Electronics CP82C54 CP82C54Z, Programmable Timer, 6 8MHz, 24-Pin PDIP
Renesas Electronics CP82C54 CP82C54Z, Programmable Timer, 6 8MHz, 24-Pin PDIP
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Also available in industry standard packaging
RS Stock No.: 235-5221Brand: Renesas ElectronicsManufacturers Part No.: CP82C54ZHSN Code: 85423990

SR 123.94

SR 123.94 Each (ex VAT)

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1

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1SR 123.94
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Renesas Electronics
Through Hole
Programmable
PDIP
6
24
8MHz
-
-
-
-
-
-
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CP82C54
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Intersil, ICM7555CBAZ-T
Intersil, ICM7555CBAZ-T
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Also available in industry standard packaging
RS Stock No.: 196-8888Brand: Renesas ElectronicsManufacturers Part No.: ICM7555CBAZ-THSN Code: 85423390

SR 118.74

SR 4.75 Each (In a Pack of 25) (ex VAT)

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25

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25SR 4.75
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Renesas Electronics
-
Standard
SOIC
1
8
1MHz
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-
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-
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-
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ICM7555
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Intersil, ICM7555CBAZ-T
Intersil, ICM7555CBAZ-T
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RS Stock No.: 196-8887Brand: Renesas ElectronicsManufacturers Part No.: ICM7555CBAZ-THSN Code: 85423390

SR 5,376.25

SR 2.15 Each (On a Reel of 2500) (ex VAT)

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2500

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2500SR 2.15
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Renesas Electronics
-
Standard
SOIC
1
8
1MHz
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-
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ICM7555
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Intersil, ICM7555IBAZ-T
Intersil, ICM7555IBAZ-T
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RS Stock No.: 196-8889Brand: Renesas ElectronicsManufacturers Part No.: ICM7555IBAZ-THSN Code: 85423390

SR 5,376.25

SR 2.15 Each (On a Reel of 2500) (ex VAT)

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2500

Available in multiples of 2500
2500SR 2.15
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Renesas Electronics
-
Standard
SOIC
1
8
1MHz
-
-
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ICM7555
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Intersil, ICM7555IBAZ-T
Intersil, ICM7555IBAZ-T
Add to parts list
Also available in industry standard packaging
RS Stock No.: 196-8891Brand: Renesas ElectronicsManufacturers Part No.: ICM7555IBAZ-THSN Code: 85423390

SR 53.76

SR 2.15 Each (In a Pack of 25) (ex VAT)

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25

Available in multiples of 25
25SR 2.15
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Renesas Electronics
-
Standard
SOIC
1
8
1MHz
-
-
-
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-
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ICM7555
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Renesas Electronics 8535AGI-31LF, Clock Buffer 40MHz, 20-Pin TSSOP
Renesas Electronics 8535AGI-31LF, Clock Buffer 40MHz, 20-Pin TSSOP
Add to parts list
Also available in industry standard packaging
RS Stock No.: 217-7925Brand: Renesas ElectronicsManufacturers Part No.: 8535AGI-31LFHSN Code: 85423990

SR 45.64

SR 45.64 Each (ex VAT)

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1

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1SR 45.64
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Renesas Electronics
Surface Mount
-
TSSOP
-
20
40MHz
-
-
-
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Renesas Electronics ICM7555CBAZ, Programmable Timer 1MHz, 8-Pin SOIC
Renesas Electronics ICM7555CBAZ, Programmable Timer 1MHz, 8-Pin SOIC
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RS Stock No.: 248-5723Brand: Renesas ElectronicsManufacturers Part No.: ICM7555CBAZHSN Code: 85423390

SR 210.75

SR 2.15 Each (In a Tube of 98) (ex VAT)

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98

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98SR 2.15
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Renesas Electronics
Surface Mount
Programmable
SOIC
1
8
1MHz
-
-
-
-
-
-
-
-
-
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-
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Renesas Electronics ICM7555CBAZ, Programmable Timer 1MHz, 8-Pin SOIC
Renesas Electronics ICM7555CBAZ, Programmable Timer 1MHz, 8-Pin SOIC
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Also available in industry standard packaging
RS Stock No.: 248-5724Brand: Renesas ElectronicsManufacturers Part No.: ICM7555CBAZHSN Code: 85423390

SR 21.50

SR 2.15 Each (In a Pack of 10) (ex VAT)

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10

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10SR 2.15
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Renesas Electronics
Surface Mount
Programmable
SOIC
1
8
1MHz
-
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STMicroelectronics TS555 TS555IDTTR, Timer Circuit, Dual 2.7MHz, 8-Pin SO
STMicroelectronics TS555 TS555IDTTR, Timer Circuit, Dual 2.7MHz, 8-Pin SO
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Also available in industry standard packaging
RS Stock No.: 196-2112Brand: STMicroelectronicsManufacturers Part No.: TS555IDTTRHSN Code: 85423990

SR 60.95

SR 6.095 Each (In a Pack of 10) (ex VAT)

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10

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10SR 6.095
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STMicroelectronics
Surface Mount
Monostable
SO
2
8
2.7MHz
2 V
16 V
-40 °C
+125 °C
-
1mA
-0.3mA
-
5 x 4 x 1.5mm
-
1.5mm
4mm
TS555
5mm
STMicroelectronics TS555 TS555IDTTR, Timer Circuit, Dual 2.7MHz, 8-Pin SO
STMicroelectronics TS555 TS555IDTTR, Timer Circuit, Dual 2.7MHz, 8-Pin SO
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RS Stock No.: 196-2111Brand: STMicroelectronicsManufacturers Part No.: TS555IDTTRHSN Code: 85423990

SR 11,040.00

SR 4.416 Each (On a Reel of 2500) (ex VAT)

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2500

Available in multiples of 2500
2500SR 4.416
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STMicroelectronics
Surface Mount
Monostable
SO
2
8
2.7MHz
2 V
16 V
-40 °C
+125 °C
-
1mA
-0.3mA
-
5 x 4 x 1.5mm
-
1.5mm
4mm
TS555
5mm