Listens to modulated infrared signals(36-40Khz) and removes its carrier frequency to output data. Useful in receiving IR remote control signals and decoding using controller. Eqv to TSOP1738


Sunrom Part# 4471

Available We dispatch same day if ordered by 4PM (excluding holidays), then courier usually takes 2-5 days.
Real Time Availability
Ready Stock: 661 nos.
Factory Leadtime for more quantity: 15 days
Quantity Pricing
Quantity :
Price (Discount%)
1-4 :
Rs.15.00/- (0%)
5-9 :
Rs.14.55/- (3%)
10-24 :
Rs.13.95/- (7%)
25-49 :
Rs.13.50/- (10%)
50-74 :
Rs.13.20/- (12%)
75-99 :
Rs.12.75/- (15%)
100-249 :
Rs.12.30/- (18%)
250-499 :
Rs.12.00/- (20%)
500-999 :
Rs.11.70/- (22%)
1000+ :
Rs.11.25/- (25%)


TSOP1838 Datasheet

This model is smaller in size than popular TSOP1738. It has similar function and can be replaced, but both have different pinouts.

Receives modulated infrared signal and converts into digital signal.


  • Photodetector and preamplifier circuit in the same casing.
  • Receives and amplifies the infrared signal without any external component.
  • 5 V output on idle (active at level 0).
  • 38 kHz integrated oscillator.
  • High sensitivity.
  • High level of immunity to ambient light.
  • Improved shielding against electrical field interference.
  • TTL and CMOS compatibility.
  • Applications: infrared remote control.

Technical specification

Supply: 5 V
Power consumption: 0.4 to 1.0 mA
Min. Ee irradiation: 0.35 mW/m2 typ.
Angle of detection: 90
Temperature range: -25 C to +85 C

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