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
RS Stock No.: 221-5535Brand: Texas InstrumentsManufacturers Part No.: NE555P

5.198 OMR

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

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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
-
9.81mm
9.81 x 6.35 x 4.57mm
Texas Instruments NE555DR NE555DR, Timer Circuit, 8-Pin SOIC
RS Stock No.: 197-7392Brand: Texas InstrumentsManufacturers Part No.: NE555DR

144.375 OMR

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

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Texas Instruments
-
-
SOIC
1
8
-
-
-
-
-
-
-
-
-
-
NE555DR
-
-
-
-
Texas Instruments NE556DR NE556DR, Timer Circuit, 14-Pin SOIC
RS Stock No.: 197-7394Brand: Texas InstrumentsManufacturers Part No.: NE556DR

259.875 OMR

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

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Texas Instruments
-
-
SOIC
1
14
-
-
-
-
-
-
-
-
-
-
NE556DR
-
-
-
-
Texas Instruments xx555 SA555D, Timer, 8-Pin SOIC
RS Stock No.: 218-4553Brand: Texas InstrumentsManufacturers Part No.: SA555D

20.357 OMR

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

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Texas Instruments
Surface Mount
-
SOIC
1
8
-
-
-
-
-
-
-
-
-
-
xx555
-
-
-
-
STMicroelectronics TS556IDTTR, CMOS Timer, Dual 2.7MHz, 14-Pin SO
RS Stock No.: 188-9229Brand: STMicroelectronicsManufacturers Part No.: TS556IDTTR

1,025.062 OMR

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

7.219 OMR

0.145 OMR 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
-
4.95mm
4.95 X 3.95 X 1.5mm
Texas Instruments NE556N, Timer Circuit, Dual, 14-Pin PDIP
RS Stock No.: 528-416Brand: Texas InstrumentsManufacturers Part No.: NE556N

5.198 OMR

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

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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
-
19.3mm
19.3 x 6.35 x 4.57mm

5.371 OMR

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

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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
-
10.16mm
10.16 x 7.11 x 4.95mm

0.895 OMR

0.895 OMR Each (ex VAT)

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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
-
9.81mm
9.81 x 6.35 x 4.57mm

3.176 OMR

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

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Texas Instruments
-
-
SOIC
1
8
-
-
-
-
-
-
-
-
-
-
NE555DR
-
-
-
-

7.577 OMR

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

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Renesas Electronics
Through Hole
Standard
PDIP
1
8
13MHz
2 V
16 V
-25 °C
+85 °C
0.125mA
50mA
-
-
8.25mm
-
4.95mm
-
10.16mm
10.16 x 8.25 x 4.95mm
Texas Instruments NE555P, Monstable Circuit, 8-Pin PDIP
RS Stock No.: 866-0199Brand: Texas InstrumentsManufacturers Part No.: NE555P

6.064 OMR

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

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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
10.16mm
10.16 x 6.6 x 4.57mm
Texas Instruments xx555 SA555D, Timer, 8-Pin SOIC
RS Stock No.: 218-4555Brand: Texas InstrumentsManufacturers Part No.: SA555D

6.930 OMR

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

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Texas Instruments
Surface Mount
-
SOIC
1
8
-
-
-
-
-
-
-
-
-
-
xx555
-
-
-
-
Texas Instruments SE555JG SE555JG, Timer Circuit, 8-Pin CDIP
RS Stock No.: 197-7495Brand: Texas InstrumentsManufacturers Part No.: SE555JG

363.825 OMR

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

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Texas Instruments
-
-
CDIP
1
8
-
-
-
-
-
-
-
-
-
-
SE555JG
-
-
-
-
Maxim Integrated ICM7242IPA+, Timer Circuit, 8-Pin PDIP
RS Stock No.: 190-4885Brand: Maxim IntegratedManufacturers Part No.: ICM7242IPA+

138.600 OMR

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

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Maxim Integrated
Through Hole
Fixed, Programmable
PDIP
1
8
-
2 V
16 V
0 °C
+85 °C
-
-
-
-
7.87mm
-
4.45mm
10pF
9.91mm
9.91 x 7.87 x 4.45mm

1.790 OMR

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

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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
-
4.9mm
4.9 x 3.91 x 1.58mm
Texas Instruments SA555P, Timer Circuit, 8-Pin PDIP
Also available in industry standard packaging
RS Stock No.: 517-1618Brand: Texas InstrumentsManufacturers Part No.: SA555P

1.328 OMR

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

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Texas Instruments
Through Hole
Standard
PDIP
1
8
-
4.5 V
16 V
-40 °C
+85 °C
15mA
200mA
-200mA
-
6.35mm
-
4.57mm
-
9.81mm
9.81 x 6.35 x 4.57mm
Maxim Integrated ICM7556ISD+, Timer Circuit, 14-Pin SOIC
RS Stock No.: 190-4887Brand: Maxim IntegratedManufacturers Part No.: ICM7556ISD+

140.044 OMR

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

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Maxim Integrated
Surface Mount
Astable, RC Monostable
SOIC
1
14
-
2 V
18 V
-20 °C
+85 °C
-
-
-
-
4mm
-
1.5mm
10pF
8.75mm
8.75 x 4 x 1.5mm
Texas Instruments TLC555 TLC555CP, Timer Circuit 2MHz, 8-Pin PDIP
RS Stock No.: 197-7573Brand: Texas InstrumentsManufacturers Part No.: TLC555CP

13.282 OMR

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

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Texas Instruments
Surface Mount
-
PDIP
1
8
2MHz
-
-
-
-
-
-
-
-
-
TLC555
-
-
-
-

5.255 OMR

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

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Renesas Electronics
Through Hole
Standard
PDIP
2
14
1MHz
2 V
18 V
-25 °C
+85 °C
-
20mA
-0.8mA
-
7.11mm
-
4.95mm
-
19.68mm
19.68 x 7.11 x 4.95mm