Electrical/Optical Characteristics at T
A
= 25
°
C
Symbol
λ
PEAK
Description
Peak
Wavelength
T-1
3
/
37xx
38xx
39xx
D640
37xx
38xx
39xx
D640
37xx
38xx
39xx
D640
37xx
38xx
39xx
D640
37xx
38xx
39xx
D640
37xx
38xx
39xx
D640
4
T-1
3
/
4
Low Dome
3390
3490
3590
3390
3490
3590
3390
3490
3590
3390
3490
3590
3390
3490
3590
3390
3490
3590
T-1
1340
1440
1540
K640
1340
1440
1540
K640
1340
1440
1540
K640
1340
1440
1540
K640
1340
1440
1540
K640
Min.
Typ.
635
583
565
558
626
585
569
560
40
36
28
24
90
90
500
3100
11
15
18
35
210
210
210
510
290
290
290
290
Max.
Units
nm
Test
Conditions
Measurement
at Peak
λ
d
Dominant
Wavelength
nm
Note 1
∆λ
3
/
4
Spectral Line
Halfwidth
nm
τ
s
Speed of
Respond
ns
C
Capacitance
pF
V
F
= 0,
f = 1 MHz
Rθ
J-PIN
Thermal
Resistance
°C/W
Junction to
Cathode Lead
1340
1440
1540
K640
V
F
Forward
Voltage
37xx
38xx
39xx
D640
37xx
38xx
39xx
D640
37xx
38xx
39xx
D640
3390
3490
3590
3390
3490
3590
3390
3490
3590
1340
1440
1540
K640
1340
1440
1540
K640
1340
1440
1540
K640
1.5
1.5
1.5
5.0
1.9
2.1
2.2
2.2
2.6
2.6
3.0
3.0
V
I
F
= 20 mA
(Figure 3)
V
R
Reverse
Breakdown
Voltage
Luminous
Efficacy
V
I
F
= 100
µA
η
v
145
500
595
655
lumens
watt
Note 2
Notes:
1. The dominant wavelength,
ld,
is derived from the CIE chromaticity diagram and represents the single wavelength which defines the color of the
device.
2. The radiant intensity, Ie, in watts per steradian, may be found from the equation Ie = IV/h
V
, where IV is the luminous intensity in candelas and
h
V
is
the luminous efficacy in lumens/watt.
5
AGILENT [ AGILENT TECHNOLOGIES, LTD. ]
