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

View all Encoder & Decoder ICs
Bulk discount available

Subtotal (1 tube of 38 units)*

$85.766

(exc. GST)

$94.354

(inc. GST)

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Temporarily out of stock
  • 418 unit(s) shipping from 04 September 2026
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Units
Per unit
Per Tube*
38 - 38$2.257$85.77
76 - 152$2.187$83.11
190 - 342$2.099$79.76
380 - 722$2.051$77.94
760 +$2.027$77.03

*price indicative

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

Holtek

Product Type

Encoder

Logic Family

HT12

Logic Function

Encoder

Number of Inputs

8

Mount Type

Surface

Package Type

SOP

Number of Outputs

2

Pin Count

20

Minimum Supply Voltage

2.4V

Maximum Supply Voltage

12V

Minimum Operating Temperature

75°C

Maximum Operating Temperature

-20°C

Length

12.8mm

Standards/Approvals

No

Series

HT

Height

2.35mm

Width

7.5 mm

Automotive Standard

No

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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