SAW Components
Low-Loss Filter for Mobile Communication
Data Sheet
B7844
1842,5 MHz
Chip sized SAW package QCS5E
Features
q
Low-loss RF filter for mobile telephone
q
q
q
q
q
q
q
q
0.735
0,075
2
3
PCN systems, receive path
Very low insertion attenuation
Low amplitude ripple
Usable passband 75 MHz
Unbalanced to balanced operation
Impedance transformation from 50
Ω
to 150
Ω
Suitable for GPRS class 1 to 12
Package for
Surface Mount Technology
(SMT)
Pb-free
0,38
0,075
0,44
5
4
bottom view
1
0,68
2,0
side view
Terminals
q
Ni, gold-plated
1,4
top view
Dimensions in mm, approx. weight 0,007 g
Pin configuration
1
3,4
2,5
Input, unbalanced
Output, balanced
Case ground
Type
B7844
Ordering code
B39182-B7844-K410
Marking and Package
according to
C61157-A7-A131
Packing
according to
F61074-V8151-Z000
Electrostatic Sensitive Device
(ESD)
Maximum ratings
Operable temperature range
Storage temperature range
DC voltage
ESD voltage
Input Power at
GSM850, GSM900
GSM1800, GSM1900
Tx bands
T
T
stg
V
DC
V
ESD
P
IN
P
IN
– 20 / + 75
– 40 / + 85
5
50*
15
12
˚C
˚C
V
V
dBm
dBm
Machine Model, 10 pulses
peak power of GSM signal,
duty cycle 4:8
* - acc. to JESD22-A115A (Machine Model), 10 negative & 10 positive pulses
2
Mar 22, 2004
EPCOS [ EPCOS ]
