VSLB3940 Vishay, 940nm IR LED, 3mm (T-1) Through Hole package

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Subtotal (1 pack of 20 units)*

£6.40

(exc. VAT)

£7.60

(inc. VAT)

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  • 3,540 unit(s) ready to ship
  • Plus 240 unit(s) ready to ship from another location
  • Plus 3,820 unit(s) shipping from 20 October 2025
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Per unit
Per Pack*
20 - 180£0.32£6.40
200 - 480£0.224£4.48
500 - 980£0.192£3.84
1000 - 1980£0.16£3.20
2000 +£0.144£2.88

*price indicative

Packaging Options:
RS Stock No.:
699-7705
Mfr. Part No.:
VSLB3940
Brand:
Vishay
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Brand

Vishay

Peak Wavelength

940nm

Package Type

3mm (T-1)

Radiant Flux

40mW

Radiant Intensity

65mW/sr

Mounting Type

Through Hole

Number of LEDs

1

Number of Pins

2

Dimensions

3 x 4.5mm

Lens Shape

Round

LED Material

GaAlAs

Vishay VSLB3940 Series IR Emitting Diodes


Vishay Semiconductors' VSLB3940 is an Infrared (IR) emitting diode. These high speed IR LEDs are in a standard T-1 (3mm) clear epoxy package. Suitable applications for the VSLB3940 IR LEDs include; IR remote control units, free air transmission systems and IR sources for optical counters and card readers.

Features of the VSLB3940 IR LEDs:
T-1 (3mm) package
Through-hole
Peak wavelength: 940nm
High speed
High radiant power and intensity
Low forward voltage


Infrared (IR) Light Emitters, Vishay