66
MUSCFC
Harsh
Environment
AttenuatorsTerminators
HMU - PAT - FH - K 1 01
1 2 4 5 63
Series name : HMU
Indicates a in-line type attenuator
Indicates the attenuation part
Polishing type K:AdPC
Applicable optical fiber
1:SM
Attenuation 00:0 dB (Through)12:12.5dB,17:17.5dB
01 to N: Attenuation (dB)
1
2
3
4
5
6
Note: This attenuator is used only with the cable assembly shown
on the next page.
Optical
Characteristis
Part Material
Body Zinc alloy
Ferrule Zirconia
Split sleeve Zirconia
■Product Specifications
Ratings Operation temperature range
Max. Input Power
-25°C to +70°C
100mW
Storage temperature range
Fiber type
-25°C to +70°C
SM
■Materials
Item Test Method Specifications
Measurement at a point within the wavelength of 1310 ±
30 nm, and a point within the wavelength of 1550 ±30
nm.
Attenuation
Return Loss(R.L.)
■Ordering Information
Mechanical
Characteristis
Environmental
Characteristis
Engagement and separation forces at 50mm/s.
Zirconia gauge at Ø1.249 ± 0.0005 mm.
Insertion and extraction number for connectors:500
Insertion and extraction number for an attenuation element:50
For 3 hours at an amplitude of 1.5mm.with the frequency range 10 to 55Hz.
In each of three mutually perpendicular plane.
3 times in each of three mutually perpendicular axis with the
acceleration 981m/s
2
.
Humidity : 90% to 96%
Temperature : -10°C to 65°C,
Cyclic : 10 cycles(240 hours)
Temp : 25/-25/-25/70/70/25°C
Time : 15 30 30 30 15 min
Cyclic : 10 cycles
Temperature : 85°C Time : 500 hours
Temperature : -25°C Time : 500 hours
Salt Mist : 5% Time : 48 hours
Engagement and
separation forces
Gauge retention force
Mating durability
Vibration
Shock
Compasite
Temparature-humidity
Cyclic test
Temperature cycling
Dry heat
Cold
Salt Mist
Engagement force: ≤12.5 N
Separation force: ≤12.5 N
1.0N to 2.5N
1) Attenuation shall be satisfild after the test.
2) No breakage,crack or looseness on
components.
No significant corrosion.
Attenuation Tolerance
0dB ≤0.5dB
1,2dB ±0.5dB
3,4,5,6dB ±0.8dB
7,8,9dB ±1.0dB
10dB ±1.2dB
12.5,15,17.5,20dB ±ATT∞10%dB
≥40dB