|
Model No.: VCT-F85A40-3
- High
performance oxide VCSEL diode in TO-46 package with flat window and no PD
- Low
threshold current 2.2 mA typical
- Capable
to run in the speed of 2.5Gbps
or higher.
1.
Optical and Electrical Characteristics
|
Parameter
|
Symbol
|
Min.
|
TYP.
|
Max.
|
Unit
|
Test
Condition
|
|
Peak
Wavelength
|
lp
|
830
|
845
|
860
|
nm
|
If
= 8mA @ RT
|
|
Spectral
Width (FWHM)
|
Dl
|
---
|
0.5
|
0.85
|
nm
|
If
= 8mA @ RT
|
|
Beam
Divergence
|
Q
|
|
25
|
30
|
Deg
|
Full
width at 1/e2
|
|
Forward
Voltage
|
Vf
|
1.7
|
1.9
|
2.2
|
V
|
If
= 8mA @ RT
|
|
Threshold
Current
|
Ith
|
|
2.2
|
3
|
mA
|
|
|
Optical
Power
|
Po
|
|
1.5
|
|
mW
|
If
= 8mA @ RT
|
|
Slop
Efficiency
|
dP/dI
|
0.12
|
0.25
|
0.36
|
W/A
|
If
= 8mA @ RT
|
|
Dynamic
Resistance
|
dV/dI
|
25
|
40
|
65
|
W
|
If
= 8mA @ RT
|
|
Rise
/ Fall Time
|
tr
/tf
|
|
50
|
100
|
ps
|
20%
- 80%
|
|
Jitter
p-p
|
tj
|
|
35
|
|
ps
|
|
|
λP
Temperature Coefficient
|
dλP/dT
|
|
0.06
|
|
nm/
oC
|
TA=0~70°C,
If = 8mA
|
2.
Maximum Ratings
|
Parameter
|
Min.
|
Max.
|
Unit
|
Condition
|
|
Storage
Temperature
|
-40
|
100
|
oC
|
|
|
Operating
Temperature
|
0
|
85
|
oC
|
|
|
Continuous
Forward Current
|
|
10
|
mA
|
|
|
Continuous
Reverse Voltage
|
|
5
|
V
|
@
10mA
|
3. Monitoring PIN
Characteristics
|
Parameter
|
Symbol
|
Min.
|
TYP.
|
Max.
|
Unit
|
Test
Condition
|
|
Dark Current
|
Id
|
|
0.2
|
1
|
nA
|
Vr=10V
|
|
Shunt Resistance
|
Rsr
|
100
|
200
|
|
GW
|
|
|
Breakdown Voltage
|
Vbr
|
|
50
|
|
V
|
|
|
Junction Capacitance
|
|
|
40
|
|
pF
|
Vr=10V, 10KHz
|
Note.
Specifications are subject to change without notice.
Pin Configuration:
|
Bottom
View
Unit: mm |
|
|
Model No. VCT-A85A40-3
Pin 1: Case
Pin 2: VCSEL anode
Pin 3: VCSEL cathode
Pin 4: NC
|
2.5 Gbps Eye Diagram
|
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