SAW filters for infrastructure systems
Series/Type:
B7842
The following products presented in this data sheet are being withdrawn.
Ordering Code
B39881B7842C710
Substitute Product
B39881B9022E610
Date of Withdrawal
2010-06-25
Deadline Last
Orders
2011-06-30
Last Shipments
2011-09-30
For further information please contact your nearest EPCOS sales office, which will also support you in selecting a
suitable substitute. The addresses of our worldwide sales network are presented at www.epcos.com/sales.
SAW Components
Low-Loss Filter for Mobile Communication
Data Sheet
Features
s
Low-loss RF filter for mobile telephone
s
s
s
s
s
B7842
881,5 MHz
Chip sized SAW package QCS5C
0.735
0,075
2
0,075
1
GSM850 systems, receive path
Usable passband 25 MHz
Unbalanced operation
Impedance 50
Ω
input and output
Suitable for GPRS Class 1 to 12
Ceramic Package for
Surface Mounted
Technology
(SMT)
0,38
3
0,44
bottom view
5
4
0,68
side view
Terminals
s
Ni, gold-plated
2,0
1,4
top view
Dimensions in mm, approx. weight 0,007 g
Pin configuration
1
4
2, 3, 5
2, 3, 5
Input, unbalanced
Output, unbalanced
Case ground
to be grounded
1
4
2,5
3
Type
B7842
Ordering code
B39881-B7842-C710
Marking and Package
according to
C61157-A7-A111
Packing
according to
F61074-V8151-Z0000
Electrostatic Sensitive Device
(ESD)
Maximum ratings
Operable temperature range
Storage temperature range
DC voltage
Input power max.
T
T
stg
V
DC
P
IN
– 30 / + 85
– 40 / + 85
5
15
˚C
˚C
V
dBm
2
17 Sep, 2003
SAW Components
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
Operating temperature:
Terminating source impedance:
Terminating load impedance:
B7842
881,5 MHz
T
= 25
±
2 ˚C
Z
S
= 50
Ω
Z
L
= 50
Ω
min.
typ.
881,5
max.
—
MHz
Center frequency
Maximum insertion attenuation
869,0 ... 894,0
Amplitude ripple
(p-p)
869,0 ... 894,0
Input VSWR
869,0 ... 894,0
Output VSWR
869,0 ... 894,0
Attenuation
0,0
450,0
800,0
914,0
960,0
... 450,0
... 800,0
... 849,0
... 960,0
...6000,0
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
f
C
α
max
MHz
∆α
—
—
1,6
2,0
dB
—
0,6
1,0
dB
—
1,7
2,0
—
α
38,0
30,0
24,0
24,0
26,0
1,7
2,0
44,0
35,0
26,0
26,0
33,0
—
—
—
—
—
dB
dB
dB
dB
dB
3
17 Sep, 2003
SAW Components
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
Operating temperature:
Terminating source impedance:
Terminating load impedance:
B7842
881,5 MHz
T
= -30 ... +85 ˚C
Z
S
= 50
Ω
Z
L
= 50
Ω
min.
typ.
881,5
max.
—
MHz
Center frequency
Maximum insertion attenuation
869,0 ... 894,0
Amplitude ripple
(p-p)
869,0 ... 894,0
Input VSWR
869,0 ... 894,0
Output VSWR
869,0 ... 894,0
Attenuation
0,0
450,0
800,0
914,0
960,0
... 450,0
... 800,0
... 849,0
... 960,0
...6000,0
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
f
C
α
max
MHz
∆α
—
—
1,6
2,2
dB
—
0,6
1,3
dB
—
1,7
2,1
—
α
38,0
30,0
24,0
24,0
26,0
1,7
2,1
44,0
35,0
26,0
26,0
33,0
—
—
—
—
—
dB
dB
dB
dB
dB
4
17 Sep, 2003
SAW Components
Low-Loss Filter for Mobile Communication
Data Sheet
Transfer function (Narrowband measurement)
B7842
881,5 MHz
Transfer function (Wideband measurement)
5
17 Sep, 2003