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BPW41N  
Vishay Telefunken  
Silicon PIN Photodiode  
Description  
BPW41NisahighspeedandhighsensitivePINphoto-  
diode in a flat side view plastic package.  
The epoxy package itself is an IR filter, spectrally  
matched to GaAs or GaAs on GaAlAs IR emitters  
(
= 950 nm).  
p
The large active area combined with a flat case gives  
a high sensitivity at a wide viewing angle.  
Features  
2
Large radiant sensitive area (A=7.5 mm )  
Wide angle of half sensitivity ϕ = ± 65  
High radiant sensitivity  
94 8480  
Fast response times  
Small junction capacitance  
Plastic case with IR filter ( =950 nm)  
Suitable for near infrared radiation  
Applications  
High speed photo detector  
Absolute Maximum Ratings  
T
amb  
= 25 C  
Parameter  
Reverse Voltage  
Power Dissipation  
Junction Temperature  
Test Conditions  
25 C  
Symbol  
Value  
60  
215  
Unit  
V
mW  
C
V
P
R
T
amb  
V
T
100  
j
Storage Temperature Range  
Soldering Temperature  
Thermal Resistance Junction/Ambient  
T
T
–55...+100  
260  
C
C
K/W  
stg  
t
5 s  
sd  
R
thJA  
350  
Document Number 81522  
Rev. 2, 20-May-99  
www.vishay.de • FaxBack +1-408-970-5600  
1 (5)  
BPW41N  
Vishay Telefunken  
Basic Characteristics  
T
amb  
= 25 C  
Parameter  
Test Conditions  
I = 100 A, E = 0  
Symbol Min  
60  
Typ  
Max  
30  
Unit  
V
nA  
pF  
Breakdown Voltage  
Reverse Dark Current  
Diode Capacitance  
V
(BR)  
R
V = 10 V, E = 0  
I
ro  
2
70  
25  
350  
–2.6  
38  
0.1  
45  
R
V = 0 V, f = 1 MHz, E = 0  
C
C
R
D
V = 3 V, f = 1 MHz, E = 0  
40  
pF  
R
D
2
Open Circuit Voltage  
Temp. Coefficient of V  
Short Circuit Current  
Temp. Coefficient of I  
Reverse Light Current  
E = 1 mW/cm , = 950 nm  
V
mV  
mV/K  
A
%/K  
A
e
o
2
E = 1 mW/cm , = 950 nm  
TK  
Vo  
I
k
TK  
Ik  
o
e
2
E = 1 mW/cm , = 950 nm  
e
2
E = 1 mW/cm , = 950 nm  
k
e
2
E = 1 mW/cm ,  
e
I
ra  
43  
= 950 nm, V = 5 V  
R
Angle of Half Sensitivity  
Wavelength of Peak Sensitivity  
Range of Spectral Bandwidth  
Noise Equivalent Power  
Rise Time  
ϕ
±65  
950  
deg  
nm  
nm  
W/√ Hz  
ns  
p
870...1050  
0.5  
–14  
V = 10 V, = 950 nm  
NEP  
t
r
4x10  
R
V = 10 V, R = 1k  
,
100  
R
L
= 820 nm  
Fall Time  
V = 10 V, R = 1k  
,
t
f
100  
ns  
R
L
= 820 nm  
Typical Characteristics (Tamb = 25 C unless otherwise specified)  
1000  
100  
10  
1.4  
1.2  
1.0  
0.8  
0.6  
V =5V  
=950nm  
R
V =10V  
R
1
100  
100  
20  
40  
60  
80  
0
20  
40  
60  
80  
94 8403  
T
amb  
– Ambient Temperature ( °C )  
94 8409  
T
amb  
– Ambient Temperature ( °C )  
Figure 1. Reverse Dark Current vs. Ambient Temperature  
Figure 2. Relative Reverse Light Current vs.  
Ambient Temperature  
www.vishay.de • FaxBack +1-408-970-5600  
2 (5)  
Document Number 81522  
Rev. 2, 20-May-99  
BPW41N  
Vishay Telefunken  
1000  
100  
10  
1.2  
1.0  
0.8  
0.6  
0.4  
0.2  
0
V =5V  
=950nm  
R
1
0.1  
10  
1150  
0.01  
0.1  
1
750  
850  
950  
1050  
2
94 8414  
E – Irradiance ( mW/cm )  
94 8408  
– Wavelength ( nm )  
e
Figure 6. Relative Spectral Sensitivity vs. Wavelength  
Figure 3. Reverse Light Current vs. Irradiance  
0°  
10  
°
20  
°
100  
30°  
2
1mW/cm  
2
0.5mW/cm  
40°  
1.0  
0.9  
=950nm  
2
2
0.2mW/cm  
0.1mW/cm  
10  
50°  
60°  
0.8  
0.7  
2
2
0.05mW/cm  
70°  
80°  
0.02mW/cm  
10  
1
0.6  
100  
0.6  
0.4  
0.2  
0
0.2  
0.4  
0.1  
1
94 8406  
94 8415  
V – Reverse Voltage ( V )  
R
Figure 7. Relative Radiant Sensitivity vs.  
Angular Displacement  
Figure 4. Reverse Light Current vs. Reverse Voltage  
80  
E=0  
f=1MHz  
60  
40  
20  
0
100  
0.1  
1
10  
V – Reverse Voltage ( V )  
R
94 8407  
Figure 5. Diode Capacitance vs. Reverse Voltage  
Document Number 81522  
Rev. 2, 20-May-99  
www.vishay.de • FaxBack +1-408-970-5600  
3 (5)  
BPW41N  
Vishay Telefunken  
Dimensions in mm  
96 12195  
www.vishay.de • FaxBack +1-408-970-5600  
4 (5)  
Document Number 81522  
Rev. 2, 20-May-99  
BPW41N  
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 81522  
Rev. 2, 20-May-99  
www.vishay.de • FaxBack +1-408-970-5600  
5 (5)