Features

l Subminiature plastic package with lens

l Visible-cut package

l High sensitivity: 1.0 mA (1000 lx)

Applications

l Tape start/end mark sensor for VTRs, cassette tape

recorders, etc.

l Rotary encoders

l Touch screen

PHOTOTRANSISTOR

Phototransistor

Subminiature package phototransistor

S2829

S2829 is a high sensitivity phototransistor molded into a visible-cut plastic package.

Vcc

PULSE INPUT

tr

90 %

10 %

tf

KPTRC0001EA

s Response time measurement circuit

s

Absolute maximum ratings (Ta=25 °C)

Parameter

Symbol

Value

Unit

Collector-emitter voltage

35

V

Emitter-collector voltage

4

V

Collector current

Ic

20

mA

Collector dissipation

Pc

80

mW

Operating temperature

Topr

-25 to +85

°C

Storage temperature

Tstg

-40 to +100

°C

Soldering

-

260 °C, 3 s, at least 2.5 mm away from package surface

-

s

Electrical and optical characteristics (Ta=25 °C)

Parameter

Symbol

Condition

Min.

Typ.

Max.

Unit

Photocurrent *

Ic

0.3

1.0

-

mA

Dark current

-

-

100

nA

Collector-emitter saturation voltage

--

0.4

V

Peak sensitivity wavelength

λp

-

850

-

nm

Rise time

tr

-

2

-

µs

Fall time

tf

Vcc=5 V, Ic=1 mA

-

3

-

µs

* Measured with a CIE standard “A” light source at 2856 K