Technical Data Sheet
4.8mm Semi-Lens Silicon PIN Photodiode
PD438B/L1
Features
․Fast
response times
․High
photo sensitivity
․Small
junction capacitance
․Pb
free
․The
product itself will remain within RoHS compliant version.
Descriptions
PD438B/L1 is a high speed and sensitive PIN photodiode in a cylindrical
side view plastic package. The epoxy package itself is an IR filter ,
spectrally matched to IR emitter.
Applications
․High
speed photo detector
․Camera
․Optoelectronic
switch
․VCRs
, Video camera
Device Selection Guide
LED Part No.
PD
Chip
Material
Silicon
Lens Color
Black
Everlight Electronics Co., Ltd.
Device No：DPD-043-005
http://www.everlight.com
Prepared date：07-20-2005
Rev 4
Page: 1of 7
Prepared by：Jaine Tsai
PD438B/L1
Package Dimensions
Notes:
1.All dimensions are in millimeters
2.Tolerances unless dimensions
±0.25mm
Absolute Maximum Ratings (Ta=25℃)
Parameter
Reverse Voltage
Power Dissipation
Lead Soldering Temperature
Operating Temperature
Symbol
V
R
Pd
Tsol
Topr
Rating
32
150
260
-40 ~ +85
-40 ~ +100
Units
V
mW
℃
℃
℃
Storage Temperature
Tstg
Notes:
*1:Soldering time≦5 seconds.
Everlight Electronics Co., Ltd.
Device No：DPD-043-005
http://www.everlight.com
Prepared date：07-20-2005
Rev 4
Page: 2of 7
Prepared by：Jaine Tsai
PD438B/L1
Electro-Optical Characteristics (Ta=25℃)
Parameter
Rang of Spectral
Bandwidth
Wavelength of Peak
Sensitivity
Open-Circuit Voltage
Short- Circuit Current
Reverse Light Current
Dark Current
Reverse Breakdown
Total Capacitance
Rise/Fall Time
Symbol
λ
0.5
λ
p
V
OC
I
SC
I
L
Id
BV
R
Ct
t
r
/t
f
Condition
-----
-----
Ee=5m W/cm
2
λp=940nm
Ee=1m W/cm
2
λp=940nm
Ee=1m W/cm
2
λp=940nm
V
R
=5V
Ee=0m W/cm
2
V
R
=10V
Ee=0m W/cm
2
I
R
=100μA
Ee=0m W/cm
2
V
R
=5V
f=1MHZ
V
R
=10V
R
L
=1KΩ
Min.
840
---
---
---
2.6
---
32
---
---
Typ.
---
940
0.41
4.0
4.0
---
170
6
10/10
Max.
1100
---
---
---
μA
---
10
---
nA
V
Units
nm
nm
V
---
---
pF
nS
Everlight Electronics Co., Ltd.
Device No：DPD-043-005
http://www.everlight.com
Prepared date：07-20-2005
Rev 4
Page: 3of 7
Prepared by：Jaine Tsai
PD438B/L1
Typical Electro-Optical Characteristics Curves
Fig.1 Power Dissipation vs.
Ambient Temperature
200
Fig.2 Spectral Sensitivity
1.0
Ta=25
C
O
150
0.8
0.6
0.4
100
50
0.2
0
-25
0
25
50
75 85 100
0
600 700 800 900 1000 1100 1200
Fig.3 Dark Current vs.
Ambient Temperature
Fig. 4 Reverse Light Current vs.
Ee
20
15
1000
100
10
10
V
R
=10V
1
20
40
60
80
100
5
V
R
=5V
0
0.5
1.0
1.5
2
3.0
Everlight Electronics Co., Ltd.
Device No：DPD-043-005
http://www.everlight.com
Prepared date：07-20-2005
Rev 4
Page: 4of 7
Prepared by：Jaine Tsai
PD438B/L1
Typical Electro-Optical Characteristics Curves
Fig.5 Terminal Capacitance vs.
Reverse Voltage
Fig.6 Response Time vs.
Load Resistance
10
2
1
40
30
f=1MH
Z
V
R
=5V
V
R
=10V
O
Ta=25
C
10
0
t
20
10
-1
10
10
10
-2
-3
0
0.1
1
10
100
10
1
10
2
10
3
10
4
10
5
Everlight Electronics Co., Ltd.
Device No：DPD-043-005
http://www.everlight.com
Prepared date：07-20-2005
Rev 4
Page: 5of 7
Prepared by：Jaine Tsai
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