Technical Data Sheet
1.9mm Round Subminiature Axial Phototransistor
PT91-21B
Features
․Fast
response time
․High
photo sensitivity
․Small
junction capacitance
․Compatible
with infrared and vapor phase reflow solder process.
․Pb
free
․RoHS
Compliance
․The
product itself will remain within RoHS compliant version.
Descriptions
․PT91-21B
is a phototransistor in miniature SMD package
which is molded in black transparent plastic with spherical
top view lens. The device is spectrally matched to infrared
emitting diode.
Applications
․Miniature
switch
․Counters
and sorter
․Position
sensor
․Infrared
applied system
Device Selection Guide
LED Part No.
PT
Chip
Material
Silicon
Lens Color
Black
Everlight Electronics Co., Ltd.
Device No
http:\\www.everlight.com
Prepared date
Rev 3
Page: 1 of 9
DPT-091-006
05-22-2007
Prepared by JAINE TSAI
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EVERLIGHT [ EVERLIGHT ELECTRONICS CO., LTD ]
