This family of LEDs, from Avago Technologies, are available in T-1 (3mm) packages. They are low current LEDs lamps which are suitable for indicator applications.
These tinted and diffused LED lamps offer a low DC current due to their design. Suitable applications for these LEDs include; low power DC circuits, telecommunications indicators, portable equipment and keyboard indicators.
For the A1 and A2 option, the LEDs come in a black plastic right-angle housing. Available in a variety of colour options, they are designed for use as back panel diagnostic indicators and card edge logic status indicators.
This range includes HLMP-4700, HLMP-4719, HLMP-4740 HLMP-1700, HLMP-1719 and HLMP-1790 series.

Features of the HLMP-4700/4719/4740/1700/1719/1790 LED lamps:
- Low power
- High efficiency
- CMOS-MOS compatible
- TTL compatible
- Wide viewing angle
- Choice of package sizes (3mm and 5mm)
- Variety of colours
- Flush mounting onto PCB
- Side stackable

PCB LED Indicators, Avago Technologies