Holtek HT12E-20SOP, Encoder 8, 20-Pin SOP

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Subtotal (1 tube of 38 units)*

£35.53

(exc. VAT)

£42.636

(inc. VAT)

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Temporarily out of stock
  • 418 unit(s) shipping from 16 October 2025
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Units
Per unit
Per Tube*
38 - 38£0.935£35.53
76 - 152£0.817£31.05
190 - 342£0.772£29.34
380 - 722£0.757£28.77
760 +£0.741£28.16

*price indicative

RS Stock No.:
885-0709
Mfr. Part No.:
HT12E-20SOP
Brand:
Holtek
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Brand

Holtek

Mounting Type

Surface Mount

Package Type

SOP

Pin Count

20

Dimensions

12.8 x 7.5 x 2.35mm

Maximum Operating Supply Voltage

12 V

Maximum Operating Temperature

+75 °C

Minimum Operating Supply Voltage

2.4 V

Minimum Operating Temperature

-20 °C

HT12E/D Encoder/Decoder chipset


The HT12E/D chipset works with an Ir or RF transmitter and receiver device to make a 4-button wireless remote control system.

8-bit ID (Address) code set by switches
Encoder sends packet containing ID code and button-pressed data four times on serial channel
Decoder reads data packet and if ID matches it's own settings, data transferred to four data output pins
Received codes are checked three times
Power supply: +2.4V to +12Vdc
Operating temperature range: -20 to +75°C
Applications: Security systems, Smoke & fire alarm systems, Garage door controllers, Car door controllers, Car alarm systems

RS Product Codes
885-0692 HT12E-18DIP Encoder DIP18 package
885-0709 HT12E-20SOP Encoder SOP20 package
885-0702 HT12D-18DIP Decoder DIP18 package
885-0705 HT12D-20SOP Decoder SOP20 package

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