F i n i s a r
Confidential and Proprietary © 2014 Finisar Corporation. All rights reserved Rev. B01 Page 1
Product Specification
10Gbps 850nm VCSEL, LC and SC TOSA Package
HFE6x92-761
PRODUCT FEATURES
• High performance VCSEL
• Low electrical parasitic TO package
with flexible interface
• Data rates from DC to 12.5Gbps
• Complete isolation between the
VCSEL, Monitor Photodiode and Case
• Mechanically compatible with all
10Gbps MSAs
The HFE6x92-761 uses a high-performance Vertical Cavity Surface Emitting Laser
(VCSEL) designed to meet performance requirements for 10Gbps data communication
over multimode optical fiber. Applications include Ethernet, Fibre Channel and ATM
protocols. The optical assembly is designed to inter-face either 50m or 62.5m
multimode fiber and ensure launch conditioning requirements compatibility with
enhanced bandwidth fiber as specified by TIA 455-203.
The HFE6x92-761 incorporates a power monitoring photodiode that can be used for
temperature compensation, average power control, and for compliance with Class 1 eye
safety limits.
PRODUCT SELECTION
Part Number Description
HFE6192-761 Differentially Driven, attenuated, LC TOSA, with 50Ω flex
HFE6392-761 Differentially Driven, attenuated, SC TOSA, with 50Ω flex
HFE6x92-761 Product Specification – Dec 2014
F i n i s a r
Confidential and Proprietary © 2014 Finisar Corporation. All rights reserved Rev. B01 Page 2
I. Absolute Maximum Ratings
Parameter Rating
Storage Temperature -40 to +85°C
Case Operating Temperature 0* to +85°C
Lead Solder Temperature 260°C, 10 sec.
Reverse Power Supply Voltage 5V
Max continuous forward current 12mA
ESD Exposure (Human Body Model) 150V
1
Notice
Stresses greater than those listed under “Absolute Maximum Ratings”
may cause permanent damage to the device. This is a stress rating
only and functional operation of the device at these or any other
conditions above those indicated in the operations section for
extended periods of time may affect reliability.
Notice
The inherent design of this component causes it to be sensitive to
electrostatic discharge (ESD). To prevent ESD-induced damage
and/or degradation to equipment, take normal ESD precautions when
handling this product
HFE6x92-761 Product Specification – Dec 2014
F i n i s a r
Confidential and Proprietary © 2014 Finisar Corporation. All rights reserved Rev. B01 Page 3
II. Electro-Optical Characteristics
(T
A
=25C, unless otherwise stated)
Notes:
1. PO_PCT is defined as the ratio of the coupled power into a 50/125 micron fiber to the total power
output from the optical front end as measured on a large area detector.
2. Operation outside of the specified range may result in the threshold current exceeding the
maximums defined in the electro-optical characteristics table. DITH is the maximum deviation
from the 25ºC value.
3. Slope efficiency is defined as ∆PO/∆IF at a total power output of 0.6mW. Slope efficiency is
intentionally lowered to the value shown by attenuation.
4. Rise and fall times are sensitive to drive electronics. Rise and fall times are measured 20%-80%
using a 1GHz square wave AC coupled to the VCSEL using a bias-T.
The DC current is adjusted to achieve a minimum OMA of -4dBm. Corrections are made for finite
detector bandwidth.
5. RIN12 is measured using the OMA technique with 12dB return.
6. Total capacitance is measured with the VCSEL forward biased using a Network analyzer at 1GHz.
7. Encircled flux is measured per TIA-455-203.
8. To prevent VCSEL damage, short the VCSEL anode and cathode during BVR testing
VCSEL Parameters Test Condition Symbol Min. Typ. Max. Units Notes
Fiber coupled optical power I
F
= 6.5mA peak P
OC
400 600
µ
W
Coupling Efficiency 50/125
µ
m fiber PO_PCT 70 % 1
Threshold Current I
F
= 6.5mA I
TH
1 2 mA
Threshold Current Temperature
Variation
∆
I
TH
1 mA 2
Slope Efficiency T
A
=0 to 70ºC η 0.06 0.075 0.2 mW/mA 3
Slope Efficiency Temperature
Variation
P
OC
=0.6mW ∆η/∆Τ -0.4 %/ºC
Peak Wavelength T
A
=0 to 70ºC
λ
P
840 860 nm
λ
P
Temperature Variation I
F
=6.5mA
∆λ
P
/
∆
T 0.06 nm/ºC
RMS Spectral Bandwidth T
A
=0 to 70ºC ∆λ 0.4 nm
Laser Forward Voltage I
F
=6.5mA V
F
1.6 1.8 2.2 V
Laser Reverse Voltage I
F
=6.5mA V
R
5 10 V
Rise/Fall Time I
R
=10
µ
A T
R
T
F
40
40
ps 4
Relative Intensity Noise Bias above threshold
20%-80%
RIN
12
-130 dB/Hz 5
Series Resistance I
F
=6.5mA R 41 60 75 Ohms
Series Resistance Temperature
Variation
I
F
=6.5mA
∆
R/
∆
T -0.2 %/ºC
Total Capacitance I
F
=6.5mA C
T
0.5 pF 6
Encircled Flux Diameter I
F
=6.5mA EF 7
Photodiode Parameters Test Condition Symbol Min. Typ. Max. Units Notes
Monitor Current P
OC
=0.6mW, VR=3V I
PD
50 150 300
µ
A
Monitor Current Temperature
Variation
P
OC
=0.6mW
T
A
=0 to 70ºC
∆
I
PD
/
∆
Τ
0.0 %/ºC
Tracking Ratio Variation (Open
Bore)
P
OB
=-2.5dBm
T
A
=0 to 70ºC
∆
TR -0.5 +0.5 dB
Dark Current P
OC
=0mW, V
R
=3V I
DARK
20 nA
PD Reverse Voltage P
OC
=0mW, I
R
=10uA BVR
PD
30 115 V 8
PD Capacitance V
R
=0V, Freq=1MHz
V
R
=3V, Freq=1MHz
C
PD
75
40
100
55
pF
HFE6x92-761 Product Specification – Dec 2014
F i n i s a r
Confidential and Proprietary © 2014 Finisar Corporation. All rights reserved Rev. B01 Page 4
III. Typical Performance Curves
HFE6x92-761 Product Specification – Dec 2014
F i n i s a r
Confidential and Proprietary © 2014 Finisar Corporation. All rights reserved Rev. B01 Page 5
IV. Environmental Specifications
Parameter Symbol Min Typ Max Units Ref.
Case Operating Temperature T
op
0 85 °C
Storage Temperature T
sto
-40 85 °C
V. Regulatory Compliance
Feature Agency Standard Certificate
Number
Laser Eye
Safety
FDA/CDRH
CDRH 21 CFR 1040 and Laser Notice 50 9521487
Copies of the referenced certificates are available at Finisar Corporation upon request.
VI. Mechanical Specifications
PIN Description
1 PDK
2 GND
3 LDA
4 LDK
5 GND
6 PDA
HFE6x92-761 Product Specification – Dec 2014
F i n i s a r
Confidential and Proprietary © 2014 Finisar Corporation. All rights reserved Rev. B01 Page 6
LC TOSA
All dimensions in mm
HFE6x92-761 Product Specification – Dec 2014
F i n i s a r
Confidential and Proprietary © 2014 Finisar Corporation. All rights reserved Rev. B01 Page 7
SC TOSA
All dimensions in mm
HFE6x92-761 Product Specification – Dec 2014
F i n i s a r
Confidential and Proprietary © 2014 Finisar Corporation. All rights reserved Rev. B01 Page 8
VII. Revision History
Revision Date Description
B00 8/14/2014 • Changed to Finisar format
B01 12/3/2014 • Changed limits for Vf and SE (Vf max reduced to 2.2V and SE min raised
to 0.06)
VIII. For More Information
Finisar Corporation
1389 Moffett Park Drive
Sunnyvale, CA 94089-1133
Tel. 1-408-548-1000
Fax 1-408-541-6138
sales@finisar.com
www.finisar.com
