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 NE556N, Timer Circuit, Dual, 14-Pin PDIP
RS Stock No.: 528-416Brand: Texas InstrumentsManufacturers Part No.: NE556N

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Texas Instruments
Through Hole
Standard
PDIP
2
14
-
4.5 V
16 V
0 °C
+70 °C
30mA
200mA
-200mA
-
19.3mm
-
19.3 x 6.35 x 4.57mm
4.57mm
6.35mm
-
Texas Instruments SA555P, Timer Circuit, 8-Pin PDIP
Also available in industry standard packaging
RS Stock No.: 517-1618Brand: Texas InstrumentsManufacturers Part No.: SA555P

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Texas Instruments
Through Hole
Standard
PDIP
1
8
-
4.5 V
16 V
-40 °C
+85 °C
15mA
200mA
-200mA
-
9.81mm
-
9.81 x 6.35 x 4.57mm
4.57mm
6.35mm
-
onsemi MC1455BDR2G, Timer Circuit, 8-Pin SOIC
Also available in industry standard packaging
RS Stock No.: 787-8709Brand: onsemiManufacturers Part No.: MC1455BDR2G

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

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Add to basket
Texas Instruments
Through Hole
Standard
PDIP
1
8
2MHz
1 V
15 V
0 °C
+70 °C
-
100mA
-10mA
-
9.81mm
-
9.81 x 6.35 x 4.57mm
4.57mm
6.35mm
-
Texas Instruments LMC555CN/NOPB, CMOS Timer, 8-Pin PDIP
RS Stock No.: 197-7336Brand: Texas InstrumentsManufacturers Part No.: LMC555CN/NOPB

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Texas Instruments
-
-
PDIP
-
8
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
DiodesZetex NE555S-13, Programmable Timer Circuit, 8-Pin SOIC
RS Stock No.: 122-3283Brand: DiodesZetexManufacturers Part No.: NE555S-13

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DiodesZetex
Surface Mount
Programmable
SOIC
1
8
-
4.5 V
16 V
0 °C
+70 °C
-
200mA
-200mA
-
4.95mm
-
4.95 X 3.95 X 1.5mm
1.5mm
3.95mm
-
Renesas Electronics ICM7556IPDZ, Programmable Timer Circuit, Dual 1MHz, 14-Pin PDIP
RS Stock No.: 146-2399Brand: Renesas ElectronicsManufacturers Part No.: ICM7556IPDZ

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Renesas Electronics
Through Hole
Standard
PDIP
2
14
1MHz
2 V
18 V
-25 °C
+85 °C
-
20mA
-0.8mA
-
19.68mm
-
19.68 x 7.11 x 4.95mm
4.95mm
7.11mm
-
Texas Instruments LM555CM/NOPB, Elapsed Time Recorder, 8-Pin SOIC
RS Stock No.: 100-0685Brand: Texas InstrumentsManufacturers Part No.: LM555CM/NOPB

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Texas Instruments
Surface Mount
Standard
SOIC
1
8
-
4.5 V
16 V
0 °C
+70 °C
-
200mA
-200mA
-
4.9mm
-
4.9 x 3.9 x 1.45mm
1.45mm
3.9mm
-
Texas Instruments LMC555CN/NOPB, CMOS Timer, 8-Pin PDIP
RS Stock No.: 197-7337Brand: Texas InstrumentsManufacturers Part No.: LMC555CN/NOPB

P.O.A.

Add to basket
Texas Instruments
-
-
PDIP
-
8
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Texas Instruments SE555P, Timer Circuit, 8-Pin PDIP
RS Stock No.: 121-9248Brand: Texas InstrumentsManufacturers Part No.: SE555P

P.O.A.

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Texas Instruments
Through Hole
Standard
PDIP
1
8
-
4.5 V
18 V
-55 °C
+125 °C
12mA
200mA
-200mA
-
9.81mm
-
9.81 x 6.35 x 4.57mm
4.57mm
6.35mm
-
Texas Instruments SE556J, Timer Circuit, Dual, 14-Pin CDIP
RS Stock No.: 178-5476Brand: Texas InstrumentsManufacturers Part No.: SE556J

P.O.A.

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Texas Instruments
Through Hole
Standard
CDIP
2
14
-
4.5 V
18 V
-55 °C
+125 °C
24mA
200mA
-200mA
-
19.94mm
-
19.94 x 7.62 x 1.52mm
1.52mm
7.62mm
-
Texas Instruments TLC555QDR, Timer Circuit 2MHz, 8-Pin SOIC
RS Stock No.: 162-7093Brand: Texas InstrumentsManufacturers Part No.: TLC555QDR

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Texas Instruments
Surface Mount
Standard
SOIC
1
8
2MHz
5 V
15 V
-40 °C
+125 °C
-
100mA
-10mA
-
4.9mm
-
4.9 x 3.91 x 1.58mm
1.58mm
3.91mm
-
Texas Instruments TLC556IDR, Timer Circuit, Dual 2MHz, 14-Pin SOIC
RS Stock No.: 162-7095Brand: Texas InstrumentsManufacturers Part No.: TLC556IDR

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Texas Instruments
Surface Mount
Standard
SOIC
2
14
2MHz
3 V
18 V
-40 °C
+85 °C
-
100mA
-10mA
-
8.65mm
-
8.65 x 3.91 x 1.58mm
1.58mm
3.91mm
-
onsemi MC1455BDR2G, Timer Circuit, 8-Pin SOIC
RS Stock No.: 145-4759Brand: onsemiManufacturers Part No.: MC1455BDR2G

P.O.A.

Add to basket
onsemi
Surface Mount
Standard
SOIC
1
8
-
4.5 V
16 V
-40 °C
+85 °C
15mA
-
200mA
-
5mm
-
5 x 4 x 1.5mm
1.5mm
4mm
-