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 NE555P, Precision Timer, 8-Pin PDIP
Texas Instruments NE555P, Precision Timer, 8-Pin PDIP
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RS Stock No.: 221-5535Brand: Texas InstrumentsManufacturers Part No.: NE555PHSN Code: 85423990

SR 104.65

SR 2.093 Each (In a Pack of 50) (ex VAT)

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50

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50SR 2.093
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Texas Instruments
Through Hole
Standard
PDIP
1
8
-
4.5 V
16 V
0 °C
+70 °C
15mA
200mA
-200mA
-
6.35mm
9.81mm
9.81 x 6.35 x 4.57mm
-
4.57mm
-
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 2,098.75

SR 0.84 Each (On a Reel of 2500) (ex VAT)

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2500

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2500SR 0.84
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Texas Instruments
-
-
SOIC
1
8
-
-
-
-
-
-
-
-
-
-
-
-
-
-
NE555DR
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 3,651.25

SR 1.46 Each (On a Reel of 2500) (ex VAT)

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2500

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2500SR 1.46
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Texas Instruments
-
-
SOIC
1
14
-
-
-
-
-
-
-
-
-
-
-
-
-
-
NE556DR
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 12,017.50

SR 4.807 Each (On a Reel of 2500) (ex VAT)

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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
4mm
8.75mm
8.75 x 4 x 1.65mm
10pF
1.65mm
-
DiodesZetex NE555S-13, Precision Timer Circuit, 8-Pin SOIC
DiodesZetex NE555S-13, Precision Timer Circuit, 8-Pin SOIC
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Also available in industry standard packaging
RS Stock No.: 823-4043Brand: DiodesZetexManufacturers Part No.: NE555S-13HSN Code: 85423990

SR 102.35

SR 2.047 Each (In a Pack of 50) (ex VAT)

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DiodesZetex
Surface Mount
Precision
SOIC
1
8
-
4.5 V
16 V
0 °C
+70 °C
-
200mA
-200mA
-
3.95mm
4.95mm
4.95 X 3.95 X 1.5mm
-
1.5mm
-
Texas Instruments NE556N, Timer Circuit, Dual, 14-Pin PDIP
Texas Instruments NE556N, Timer Circuit, Dual, 14-Pin PDIP
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RS Stock No.: 528-416Brand: Texas InstrumentsManufacturers Part No.: NE556NHSN Code: 85423290

SR 67.28

SR 2.691 Each (In a Tube of 25) (ex VAT)

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25

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25SR 2.691
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Texas Instruments
Through Hole
Standard
PDIP
2
14
-
4.5 V
16 V
0 °C
+70 °C
30mA
200mA
-200mA
-
6.35mm
19.3mm
19.3 x 6.35 x 4.57mm
-
4.57mm
-
Renesas Electronics ICM7555IPAZ, Programmable Timer Circuit 1MHz, 8-Pin PDIP
Renesas Electronics ICM7555IPAZ, Programmable Timer Circuit 1MHz, 8-Pin PDIP
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Also available in industry standard packaging
RS Stock No.: 921-5374Brand: Renesas ElectronicsManufacturers Part No.: ICM7555IPAZHSN Code: 85423390

SR 72.80

SR 7.28 Each (In a Pack of 10) (ex VAT)

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10

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Renesas Electronics
Through Hole
Standard
PDIP
1
8
1MHz
2 V
18 V
-25 °C
+85 °C
-
20mA
-0.8mA
-
7.11mm
10.16mm
10.16 x 7.11 x 4.95mm
-
4.95mm
-
Texas Instruments TLC555IP, Timer Circuit 2MHz, 8-Pin PDIP
Texas Instruments TLC555IP, Timer Circuit 2MHz, 8-Pin PDIP
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Also available in industry standard packaging
RS Stock No.: 346-7024Brand: Texas InstrumentsManufacturers Part No.: TLC555IPHSN Code: 85423990

SR 8.49

SR 8.49 Each (ex VAT)

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1

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1SR 8.49
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Texas Instruments
Through Hole
Standard
PDIP
1
8
2MHz
3 V
15 V
-40 °C
+85 °C
-
100mA
-10mA
-
6.35mm
9.81mm
9.81 x 6.35 x 4.57mm
-
4.57mm
-
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 55.78

SR 1.116 Each (In a Pack of 50) (ex VAT)

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50

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50SR 1.116
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Texas Instruments
-
-
SOIC
1
8
-
-
-
-
-
-
-
-
-
-
-
-
-
-
NE555DR
Texas Instruments NE555P, Monstable Circuit, 8-Pin PDIP
Texas Instruments NE555P, Monstable Circuit, 8-Pin PDIP
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RS Stock No.: 866-0199Brand: Texas InstrumentsManufacturers Part No.: NE555PHSN Code: 85423990

SR 104.65

SR 2.093 Each (In a Tube of 50) (ex VAT)

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50

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Texas Instruments
Through Hole
Adjustable and Monostable
PDIP
1
8
-
4.5 V
16 V
0 °C
+70 °C
-
200mA
-200mA
300 ns @ 15 pF
6.6mm
10.16mm
10.16 x 6.6 x 4.57mm
15pF
4.57mm
-
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 6,671.72

SR 133.434 Each (In a Tube of 50) (ex VAT)

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Texas Instruments
-
-
CDIP
1
8
-
-
-
-
-
-
-
-
-
-
-
-
-
-
SE555JG
Texas Instruments TLC555CDR, Timer Circuit 2MHz, 8-Pin SOIC
Texas Instruments TLC555CDR, Timer Circuit 2MHz, 8-Pin SOIC
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Also available in industry standard packaging
RS Stock No.: 662-4006Brand: Texas InstrumentsManufacturers Part No.: TLC555CDRHSN Code: 85423990

SR 34.96

SR 3.496 Each (In a Pack of 10) (ex VAT)

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10

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10SR 3.496
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Texas Instruments
Surface Mount
Standard
SOIC
1
8
2MHz
2 V
15 V
0 °C
+70 °C
-
100mA
-10mA
-
3.91mm
4.9mm
4.9 x 3.91 x 1.58mm
-
1.58mm
-
Texas Instruments TLC555 TLC555CP, Timer Circuit 2MHz, 8-Pin PDIP
Texas Instruments TLC555 TLC555CP, Timer Circuit 2MHz, 8-Pin PDIP
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RS Stock No.: 197-7573Brand: Texas InstrumentsManufacturers Part No.: TLC555CPHSN Code: 85423290

SR 266.80

SR 5.336 Each (In a Tube of 50) (ex VAT)

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50

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50SR 5.336
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Texas Instruments
Surface Mount
-
PDIP
1
8
2MHz
-
-
-
-
-
-
-
-
-
-
-
-
-
TLC555
onsemi MC1455BDR2G, Timer Circuit, 8-Pin SOIC
onsemi MC1455BDR2G, Timer Circuit, 8-Pin SOIC
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Also available in industry standard packaging
RS Stock No.: 787-8709Brand: onsemiManufacturers Part No.: MC1455BDR2GHSN Code: 85423990

SR 14.84

SR 1.484 Each (In a Pack of 10) (ex VAT)

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10

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10SR 1.484
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onsemi
Surface Mount
Standard
SOIC
1
8
-
4.5 V
16 V
-40 °C
+85 °C
15mA
-
200mA
-
4mm
5mm
5 x 4 x 1.5mm
-
1.5mm
-
Texas Instruments TLC555IDR, Timer Circuit 2MHz, 8-Pin SOIC
Texas Instruments TLC555IDR, Timer Circuit 2MHz, 8-Pin SOIC
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RS Stock No.: 528-410Brand: Texas InstrumentsManufacturers Part No.: TLC555IDRHSN Code: 85423990

SR 230.00

SR 9.20 Each (In a Pack of 25) (ex VAT)

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25

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25SR 9.20
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Texas Instruments
Surface Mount
Standard
SOIC
1
8
2MHz
3 V
15 V
-40 °C
+85 °C
-
100mA
-10mA
-
3.91mm
4.9mm
4.9 x 3.91 x 1.58mm
-
1.58mm
-
Texas Instruments CD4536BE, Programmable Timer Circuit, 16-Pin PDIP
Texas Instruments CD4536BE, Programmable Timer Circuit, 16-Pin PDIP
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Also available in industry standard packaging
RS Stock No.: 709-2532Brand: Texas InstrumentsManufacturers Part No.: CD4536BEHSN Code: 85423990

SR 39.44

SR 3.944 Each (In a Pack of 10) (ex VAT)

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10

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10SR 3.944
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Texas Instruments
Through Hole
Programmable
PDIP
1
16
-
3 V
18 V
-55 °C
+125 °C
0.1mA
4.2mA
-4.2mA
8000 ns@ 5 V
6.35mm
19.3mm
19.3 x 6.35 x 4.57mm
-
4.57mm
-
Texas Instruments TLC551CP, Timer Circuit 2MHz, 8-Pin PDIP
Texas Instruments TLC551CP, Timer Circuit 2MHz, 8-Pin PDIP
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Also available in industry standard packaging
RS Stock No.: 662-4677Brand: Texas InstrumentsManufacturers Part No.: TLC551CPHSN Code: 85423290

SR 111.44

SR 22.287 Each (In a Pack of 5) (ex VAT)

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5

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5SR 22.287
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Texas Instruments
Through Hole
Standard
PDIP
1
8
2MHz
1 V
15 V
0 °C
+70 °C
-
100mA
-10mA
-
6.35mm
9.81mm
9.81 x 6.35 x 4.57mm
-
4.57mm
-
Renesas Electronics ICM7555IBAZ, Programmable Timer Circuit 1MHz, 8-Pin SOIC
Renesas Electronics ICM7555IBAZ, Programmable Timer Circuit 1MHz, 8-Pin SOIC
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Also available in industry standard packaging
RS Stock No.: 921-5507Brand: Renesas ElectronicsManufacturers Part No.: ICM7555IBAZHSN Code: 85423390

SR 141.16

SR 5.646 Each (In a Pack of 25) (ex VAT)

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25

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25SR 5.646
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Renesas Electronics
Surface Mount
Standard
SOIC
1
8
1MHz
2 V
18 V
-25 °C
+85 °C
-
20mA
-0.8mA
-
4mm
5mm
5 x 4 x 1.5mm
-
1.5mm
-
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 3,637.17

SR 49.151 Each (In a Tube of 74) (ex VAT)

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74

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74SR 49.151
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Renesas Electronics
Surface Mount
-
TSSOP
-
20
40MHz
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Texas Instruments SE556J, Timer Circuit, Dual, 14-Pin CDIP
Texas Instruments SE556J, Timer Circuit, Dual, 14-Pin CDIP
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Also available in industry standard packaging
RS Stock No.: 732-1313Brand: Texas InstrumentsManufacturers Part No.: SE556JHSN Code: 85423290

SR 177.66

SR 177.66 Each (ex VAT)

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1

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1SR 177.66
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Texas Instruments
Through Hole
Standard
CDIP
2
14
-
4.5 V
18 V
-55 °C
+125 °C
24mA
200mA
-200mA
-
7.62mm
19.94mm
19.94 x 7.62 x 1.52mm
-
1.52mm
-