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 70.15

SR 1.403 Each (In a Pack of 50) (ex VAT)

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50

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50SR 1.403
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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
-
4.57mm
-
9.81 x 6.35 x 4.57mm
9.81mm
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
-
-
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 3,018.75

SR 1.208 Each (On a Reel of 2500) (ex VAT)

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2500

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2500SR 1.208
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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 12,563.75

SR 5.026 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
-
1.65mm
10pF
8.75 x 4 x 1.65mm
8.75mm
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 97.75

SR 1.955 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
-
1.5mm
-
4.95 X 3.95 X 1.5mm
4.95mm
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 64.40

SR 2.576 Each (In a Tube of 25) (ex VAT)

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25

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25SR 2.576
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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
-
4.57mm
-
19.3 x 6.35 x 4.57mm
19.3mm
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 72.10

SR 7.21 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
-
4.95mm
-
10.16 x 7.11 x 4.95mm
10.16mm
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 6.22

SR 6.22 Each (ex VAT)

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1

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1SR 6.22
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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
-
4.57mm
-
9.81 x 6.35 x 4.57mm
9.81mm
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 41.40

SR 0.828 Each (In a Pack of 50) (ex VAT)

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50

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50SR 0.828
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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 74.18

SR 1.484 Each (In a Tube of 50) (ex VAT)

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50

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50SR 1.484
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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
-
4.57mm
15pF
10.16 x 6.6 x 4.57mm
10.16mm
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 4,812.18

SR 96.244 Each (In a Tube of 50) (ex VAT)

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50SR 96.244
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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 23.46

SR 2.346 Each (In a Pack of 10) (ex VAT)

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10

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10SR 2.346
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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
-
1.58mm
-
4.9 x 3.91 x 1.58mm
4.9mm
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 170.78

SR 3.416 Each (In a Tube of 50) (ex VAT)

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50

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50SR 3.416
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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 30.48

SR 3.048 Each (In a Pack of 10) (ex VAT)

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10

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10SR 3.048
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onsemi
Surface Mount
Standard
SOIC
1
8
-
4.5 V
16 V
-40 °C
+85 °C
15mA
-
200mA
-
4mm
-
1.5mm
-
5 x 4 x 1.5mm
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 144.04

SR 5.762 Each (In a Pack of 25) (ex VAT)

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25

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25SR 5.762
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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
-
1.58mm
-
4.9 x 3.91 x 1.58mm
4.9mm
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 33.35

SR 3.335 Each (In a Pack of 10) (ex VAT)

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10

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10SR 3.335
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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
-
4.57mm
-
19.3 x 6.35 x 4.57mm
19.3mm
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 88.44

SR 17.687 Each (In a Pack of 5) (ex VAT)

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5

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5SR 17.687
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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
-
4.57mm
-
9.81 x 6.35 x 4.57mm
9.81mm
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 137.14

SR 5.486 Each (In a Pack of 25) (ex VAT)

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25

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25SR 5.486
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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
-
1.5mm
-
5 x 4 x 1.5mm
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 3,526.54

SR 47.656 Each (In a Tube of 74) (ex VAT)

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74

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74SR 47.656
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Renesas Electronics
Surface Mount
-
TSSOP
-
20
40MHz
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Texas Instruments TLC556CD, Timer Circuit, Dual 2MHz, 14-Pin SOIC
Texas Instruments TLC556CD, Timer Circuit, Dual 2MHz, 14-Pin SOIC
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Also available in industry standard packaging
RS Stock No.: 787-779Brand: Texas InstrumentsManufacturers Part No.: TLC556CDHSN Code: 85423990

SR 10.99

SR 10.99 Each (ex VAT)

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1

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1SR 10.99
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Texas Instruments
Surface Mount
Standard
SOIC
2
14
2MHz
2 V
18 V
0 °C
+70 °C
-
100mA
-10mA
-
3.91mm
-
1.58mm
-
8.65 x 3.91 x 1.58mm
8.65mm