VISHAY BPW78A

BPW78
Vishay Telefunken
Silicon NPN Phototransistor
Description
BPW78 is a high sensitive silicon NPN epitaxial planar
phototransistor in a flat side view plastic package.
A small recessed lens provides a high sensitivity in a
low profile case.
The epoxy package itself is an IR filter, spectrally
matched to GaAs or GaAs on GaAlAs IR emitters
(lp > 850nm).
Features
D
D
D
D
D
D
D
D
D
Plastic case with IR filter
Suitable for near infrared radiation
94 8487
High radiant sensitivity
Super flat sideview case with spherical lens
Lens integrated
Irradiation direction vertical to mounting direction
Angle of half sensitivity ϕ = ± 25°
Selected into sensitivity groups
Compatibel with CQX48
Applications
Detector in electronic control and drive circuits
Absolute Maximum Ratings
Tamb = 25_C
Parameter
Collector Emitter Voltage
Emitter Collector Voltage
Collector Current
Peak Collector Current
Total Power Dissipation
Junction Temperature
Storage Temperature Range
Soldering Temperature
Thermal Resistance Junction/Ambient
Document Number 81528
Rev. 2, 20-May-99
Test Conditions
x
tp/T = 0.5, tp
10 ms
Tamb
40 °C
x
t
x5s
Symbol
VCEO
VECO
IC
ICM
Ptot
Tj
Tstg
Tsd
RthJA
Value
32
5
100
200
150
100
–55...+100
260
400
Unit
V
V
mA
mA
mW
°C
°C
°C
K/W
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BPW78
Vishay Telefunken
Basic Characteristics
Tamb = 25_C
Parameter
Collector Emitter Breakdown
Voltage
Emitter Collector Breakdown
Voltage
Collector Dark Current
Collector Emitter Capacitance
Angle of Half Sensitivity
Wavelength of Peak Sensitivity
Range of Spectral Bandwidth
Collector Emitter Saturation
Voltage
Turn–On Time
Turn–Off Time
Cut–Off Frequency
Test Conditions
IC = 1 mA
Symbol
V(BR)CE
IE = 100 mA
V(BR)EC
Min
32
Typ
Max
Unit
V
O
5
V
O
VCE = 20 V, E = 0
VCE = 5 V, f = 1 MHz, E = 0
ICEO
CCEO
ϕ
1
6
±25
920
850...980
lp
l0.5
Ee = 1 mW/cm2,
l = 950 nm, IC = 0.1 mA
VS = 5 V, IC = 5 mA,
RL = 100 W
VS = 5 V, IC = 5 mA,
RL = 100 W
VS = 5 V, IC = 5 mA,
RL = 100 W
100
VCEsat
0.3
nA
pF
deg
nm
nm
V
ton
6
ms
toff
5
ms
fc
110
kHz
Type Dedicated Characteristics
Tamb = 25_C
Parameter
Test Conditions
Collector Light Current VCE=5 V,
Ee=1 mW/cm2,
lp=950 nm
Type
BPW78A
Symbol
Ica
Min
1
Typ
2
BPW78B
Ica
2
4
Max
3
Unit
mA
mA
Typical Characteristics (Tamb = 25_C unless otherwise specified)
104
I CEO – Collector Dark Current ( nA )
P tot – Total Power Dissipation ( mW )
200
160
120
RthJA
80
40
VCE = 10V
102
101
100
0
0
94 8259
103
20
40
60
80
Tamb – Ambient Temperature ( °C )
Figure 1. Total Power Dissipation vs.
Ambient Temperature
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100
20
94 8249
40
60
80
100
Tamb – Ambient Temperature ( °C )
Figure 2. Collector Dark Current vs. Ambient Temperature
Document Number 81528
Rev. 2, 20-May-99
BPW78
C CEO – Collector Emitter Capacitance ( pF )
Vishay Telefunken
I ca rel – Relative Collector Current
2.0
1.8
VCE=5V
Ee=1mW/cm2
l=950nm
1.6
1.4
1.2
1.0
0.8
0.6
0
20
40
60
80
BPW 78 A
0.1
VCE=5V
l=950nm
0.01
0.01
0
0.1
mW / cm2
)
100
10
Figure 6. Collector Emitter Capacitance vs.
Collector Emitter Voltage
12
VCE=5V
RL=100W
l=950nm
10
8
6
ton
4
toff
2
Ee=1 mW/cm2
0.5 mW/cm2
1
0.2 mW/cm2
0.1 mW/cm2
0.1
0.1
1
10
VCE – Collector Emitter Voltage ( V )
Figure 5. Collector Light Current vs.
Collector Emitter Voltage
Document Number 81528
Rev. 2, 20-May-99
4
8
12
16
IC – Collector Current ( mA )
Figure 7. Turn On/Turn Off Time vs. Collector Current
S ( l ) rel – Relative Spectral Sensitivity
l=950nm
0
94 8253
10
94 8252
1
VCE – Collector Emitter Voltage ( V )
10
1
Figure 4. Relative Radiant Sensitivity vs.
Angular Displacement
Ica – Collector Light Current ( mA )
4
0
0.1
Ee – Irradiance (
94 8251
8
t on / t off – Turn on / Turn off Time ( m s )
Ica – Collector Light Current ( mA )
10
BPW 78 B
12
94 8247
Figure 3. Relative Collector Current vs.
Ambient Temperature
1
f=1MHz
16
100
Tamb – Ambient Temperature ( °C )
94 8239
20
1.0
0.8
0.6
0.4
0.2
0
700
100
94 8270
800
900
1000
1100
l – Wavelength ( nm )
Figure 8. Relative Spectral Sensitivity vs. Wavelength
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BPW78
Vishay Telefunken
S rel – Relative Sensitivity
0°
10
°
20
°
30°
40°
1.0
0.9
50°
0.8
60°
70°
0.7
80°
0.6
0.4
0.2
0
0.2
0.4
0.6
94 8254
Figure 9. Relative Radiant Sensitivity vs.
Angular Displacement
Dimensions in mm
96 12193
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Document Number 81528
Rev. 2, 20-May-99
BPW78
Vishay Telefunken
Ozone Depleting Substances Policy Statement
It is the policy of Vishay Semiconductor GmbH to
1. Meet all present and future national and international statutory requirements.
2. Regularly and continuously improve the performance of our products, processes, distribution and operating
systems with respect to their impact on the health and safety of our employees and the public, as well as their
impact on the environment.
It is particular concern to control or eliminate releases of those substances into the atmosphere which are known as
ozone depleting substances ( ODSs ).
The Montreal Protocol ( 1987 ) and its London Amendments ( 1990 ) intend to severely restrict the use of ODSs and
forbid their use within the next ten years. Various national and international initiatives are pressing for an earlier ban
on these substances.
Vishay Semiconductor GmbH has been able to use its policy of continuous improvements to eliminate the use of
ODSs listed in the following documents.
1. Annex A, B and list of transitional substances of the Montreal Protocol and the London Amendments respectively
2 . Class I and II ozone depleting substances in the Clean Air Act Amendments of 1990 by the Environmental
Protection Agency ( EPA ) in the USA
3. Council Decision 88/540/EEC and 91/690/EEC Annex A, B and C ( transitional substances ) respectively.
Vishay Semiconductor GmbH can certify that our semiconductors are not manufactured with ozone depleting
substances and do not contain such substances.
We reserve the right to make changes to improve technical design and may do so without further notice.
Parameters can vary in different applications. All operating parameters must be validated for each customer application
by the customer. Should the buyer use Vishay-Telefunken products for any unintended or unauthorized application, the
buyer shall indemnify Vishay-Telefunken against all claims, costs, damages, and expenses, arising out of, directly or
indirectly, any claim of personal damage, injury or death associated with such unintended or unauthorized use.
Vishay Semiconductor GmbH, P.O.B. 3535, D-74025 Heilbronn, Germany
Telephone: 49 ( 0 ) 7131 67 2831, Fax number: 49 ( 0 ) 7131 67 2423
Document Number 81528
Rev. 2, 20-May-99
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