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Technical Data Sheet
1.5mm Side Looking Phototransistor
PT908-7C
Features
․Fast response time
․High sensitivity
․Small junction capacitance
․Pb free
Descriptions
PT908-7C is a phototransistor in miniature package which
is molded in a water clear plastic with spherical top view lens.
The device is spectrally matched to infrared emitting diode.
Applications
․Optoelectronic switch
․VCR，Video Camera
․Floppy disk drive
․Infrared applied system
Device Selection Guide Chip
LED Part No. Material Lens Color
PT Silicon Water Clear
Device No:DPT-090-081
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PT908-7C
Package Dimensions
Notes: 1.All dimensions are in millimeters
2.Tolerances unless dimensions ±0.1mm
Device No:DPT-090-081
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PT908-7C
Absolute Maximum Ratings (Ta=25℃)
Parameter Symbol Rating Units
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)
25℃ Free Air Temperature Pc 75 mW
Notes: *1:Soldering time≦5 seconds.
Electro-Optical Characteristics (Ta=25℃)
Parameter Symbol Condition Min. Typ. Max. Units
Collector-Emitter
Saturation Voltage VCE)(sat) IC=2mA
Ee=1mW/cm2 --- --- 0.4 V
Rise Time tr --- 15 ---
Fall Time tf
VCE=5V
IC=1mA
RL=1000Ω --- 15 ---
μS
Collector Dark Current ICEO Ee=0mW/cm2
VCE=20V --- --- 100 nA
On State Collector Current IC(on) Ee=0.555mW/cm2
VCE=5V 0.78 3.12 mA
Wavelength of
Peak Sensitivity λp --- --- 860 --- nm
Rang of Spectral Bandwidth λ0.5 --- 400 --- 1100 nm
Device No:DPT-090-081
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PT908-7C
Typical Electro-Optical Characteristics Curves
Device No:DPT-090-081
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PT908-7C
Test method
Ranks
Color code Parameter Symbol Min Max Unit Test condition
Black BIN1 0.78 1.56
Black BIN2 1.09 2.02
Black BIN3 1.40 2.73
Black BIN4
IC(ON)
1.56 3.12
mA VCE=5V
Ee=0.555mW/cm2
Device No:DPT-090-081
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PT908-7C
Reliability Test Item And Condition
The reliability of products shall be satisfied with items listed below.
Confidence level：90%
LTPD：10%
NO. Item Test Conditions
Test Hours/
Cycles Sample
Sizes
Failure
Judgement
Criteria Ac/Re
1 Solder Heat TEMP:260℃±5℃ 10sec 22pcs 0/1
2 Temperature Cycle
H : +85℃ 30mins
5mins
L : -55℃ 30mins 50Cycle 22pcs 0/1
3 Thermal Shock
H :+100℃ 5mins
10secs
L :-10℃ 5mins 50Cycle 22pcs 0/1
4 High Temperature
Storage TEMP.：+100℃ 1000hrs 22pcs 0/1
5 Low Temperature
Storage TEMP.：-55℃ 1000hrs 22pcs 0/1
6 DC Operating Life VCE=5V 1000hrs 22pcs 0/1
7 High Temperature/
High Humidity 85℃ / 85% R.H 1000hrs 22pcs
More than
90% of lead
to be covered
by soldering
IR≧U×2
Ee≦L×0.8
VF≧U×1.2
U：Upper
Specification
Limit
L：Lower
Specification
Limit
0/1
Device No:DPT-090-081
E
VERLIGHT ELECTRONICS CO., LTD. Tel: 886-2-2267-2000, 2267-9936
Office: No 25, Lane 76, Sec 3, Chung Yang Rd, Fax: 886-2267-6244, 2267-6189, 2267-6306
Tucheng, Taipei 236, Taiwan, R.O.C http:\\www.everlight.com