(1/1)
Conformity to RoHS Directive
Isolators
For CDMA800
QTBMC Series QTBMC2-0835
SHAPES AND DIMENSIONS
TERMINAL FUNCTIONS
Type QTBMC2-0835A QTBMC2-0835B
Direction A(CW)
(
)
Steel Plating:Sn
B(CCW)
OUT
GND
GND
IN
Liquid crystal
polymer
1
2
3
4
IN
0.31 0.1
0.31 0.1
GND
GND
OUT
3.52+–00..12
3.2+–00..12
3.2
0.16
2.23
GND electric potential
3
2
(
)
Steel Plating:Sn
2
1
3
4
4
2.15
2.9
0.16
(
)
Steel Plating:Sn
0.22 0.1
Liquid crystal polymer
0.22 0.1
Terminal
Coplanarity: 0.1max.
Tolerance: 0.2
Dimensions in mm
RECOMMENDED PCB PATTERN
LAND
ELECTRICAL CHARACTERISTICS
Frequency range
Temperature range
Insertion loss
Isolation
(MHz)
(°C)
(dB)
(dB)
830 to 840
+20 to +30
0.60max.
14min.
830 to 840
–35 to +85
0.70max.
11min.
Isolator outline
GND
In
(Arb. Unit) 1.3max.
1.5max.
1.5max.
50
VSWR
Out (Arb. Unit) 1.5max.
Impedance
(Ω)
50
2f0
3f0
4f0
(dB)
(dB)
(dB)
20min.
20min.
15min.
2.5max.
0.6max.
20min.
20min.
15min.
2.5max.
0.6max.
Attenuation
Connect to 50Ω stripline
with I/O land
Handling power capability (W)
I/O
I/O
Reflection power
(W)
Dimensions L× W× T
(mm)
3.2+0.2/–0.1× 3.2+0.2/–0.1× 1.5+0/–0.2
0.85
0.35min.
2.3
Terminal
Dimensions in mm
SOLDER RESIST
0.95
2.6
Solder resist
0.95
2.7
Terminal
Dimensions in mm
• Conformity to RoHS Directive: This means that, in conformity with EU Directive 2002/95/EC, lead, cadmium, mercury, hexavalent chromium, and
specific bromine-based flame retardants, PBB and PBDE, have not been used, except for exempted applications.
• All specifications are subject to change without notice.
001-02 / 20070722 / e771_qtbmc2_0835.fm
