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PT91-21B Datasheet, PDF (3/7 Pages) Everlight Electronics Co., Ltd – 1.9mm Round Subminiature Axial Phototransistor
EVERLIGHT ELECTRONICS CO., LTD.
DEVICE NUMBER : DPT-091-006
ECN :
1.9mm Round Subminiature Axial Phototransistor
REV : 2.1
PAGE : 3/7
MODEL NO :
PT91-21B
 Absolute Maximum Ratings at Ta = 25
Parameter
Symbol
Rating
Unit
Collector-Emitter Voltage
VCEO
30
V
Emitter-Collector-Voltage
VECO
5
V
Collector Current
IC
20
mA
Operating Temperature
Topr
-25 ~ +85

Storage Temperature
Tstg
-40 ~ +85

Lead Soldering Temperature
Tsol
260

Power Dissipation at(or below)
25Free Air Temperature
Pc
75

Notice
 Electronic Optical Characteristics :
Parameter
Collector-Emitter
Breakdown Voltage
Emitter-Collector
Breakdown Voltage
Collector-Emitter
Saturation Voltage
Rise Time
Fall Time
Collector Dark Current
Symbol Min.
BVCEO
30
BVECO
5
VCE(sat)
----
tr
----
tf
----
ICEO
----
On State Collector Current
IC(on)
1.0
Wavelength of
Peak Sensitivity
P
----
Rang of Spectral Bandwidth 
----
Typ.
----
----
----
15
15
----
1.5
980
770---
1200
Max.
----
----
0.4
----
----
100
----
----
----
Unit
V
V
V
S
nA
mA
nm
nm
Condition
IC=100A
Ee=0mW/c
IE=100A
Ee=0mW/c
IC=2mA
Ee=1mW/c
VCE=5V
IC=1mA
RL=1000
Ee=0mW/c
VCE=20V
Ee=1mW/c
VCE=5V
----
----