K549 9mm Cold finger
700 800 900
1000 1100 1200 1300 1400 1500 1600 1700
-50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80
90K
77KT ot
al C
oo lin
g Po
w er
[m W
]
Ambient Temperature [°C]
K549, 9mm - Cooling Power VS Ambient Temperature
8 10 12 14 16 18 20 22 24 26 28 30 32
200 300 400 500 600 700 800 900 1000 1100 1200 1300
90K,23°C
90K,71°C
77K,23°C 77K,71°C
Re gu
la te
d In
pu t
Po w
er [W
]
Total Heat Load [mW]
K549, 9mm - Regulated Input Power VS Total Heat Load
>10,000 Coolers Have Been Fielded Since 2002 Split Configuration for System Design Flexibility Ideal for Gimbaled Payloads Systems Highly Reliable Services in Harsh Environment Use K548 Cold Finger Includes Onboard Temperature Controller
SPECIFICATIONS Total cooling power: Cold tip temperature range: 65K-110K Temperature stability: ±0.5K
900mW@90K@71°C Product maturity: under production Meets environmental conditions per
800mW@77K@71°C Cooler weight: 940gr MIL-STD-810
MTTF: >10,000hr @ Basic profile Input voltage: 20-32Vdc Acoustic noise: <45dB @ 5 meter
Steady state input power: Ambient temperature range: Service life: 15 years
(300mW@80K@23°C): 12 Wdc typ. - Operational: -40°C +100°C Standard warranty*: 3,000hr/2 years
Maximum input power: 40Wdc typ. - Non-Operational: -55°C +115°C * Option to propose extended warranty
Cool down time:
(500J@77K@23°C): 5 min. typ.
SPLIT ROTARY
Dimensions in mm