B39881B7845K410

SAW filters for mobile communications
Series/Type: B7845
The following products presented in this data sheet are being withdrawn.
Ordering Code Substitute Product Date of Withdrawal Deadline Last
Orders
Last Shipments
B39881B7845K410 B39881B9400K610 2009-04-30 2009-10-31 2010-01-31
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.
2 Sep 15, 2005
SAW Components B7845
881,5 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Chip sized SAW package QCS5E
1
2
4
5
3
0,075
0,075
1,4
2,0
bottom view
side view
top view
0,68
0.735
0,38
0,44
Features
Low-loss RF filter for mobile telephone
GSM850 systems, receive path
Very low insertion attenuation
Low amplitude ripple
Usable passband 25 MHz
Unbalanced to balanced operation
Impedance transformation from 50 to 150
Suitable for GPRS Class 1 to 12
Ceramic Package for Surface Mounted
Technology (SMT)
Terminals
Ni, gold-plated
Dimensions in mm, approx. weight 0,007 g
Pin configuration
1 Input, unbalanced
3, 4 Output, balanced
2, 5 Case ground
Electrostatic Sensitive Device (ESD)
* acc. to JESD22-A115A (Machine Model), 10 negative & 10 positive pulses
Type Ordering code Marking and Package
according to
Packing
according to
B7845 B39881-B7845-K410 C61157-A7-A131 F61074-V8151-Z000
Maximum ratings
Operable temperature range
T
– 40 / + 85 ˚C
Storage temperature range
T
stg
– 40 / + 85 ˚C
DC voltage
V
DC
5V
ESD voltage
V
ESD
*
100* V machine model, 10 pulses
Input power at
GSM850, GSM900
GSM1800 and GSM1900
Tx bands
P
IN
15 dBm peakpowerof GSM signal,
duty cycle 4:8
3 Sep 15, 2005
SAW Components B7845
881,5 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
Operating temperature range:
T
= 25 ˚C
Terminating source impedance:
Z
S
= 50
Terminating load impedance:
Z
L
= 150 || 82 nH (balanced)
min. typ. max.
Center frequency
f
C
881,5 MHz
Maximum insertion attenuation α
max
869,0 ... 894,0 MHz 1,2 1,5 dB
Amplitude ripple (p-p) ∆α
869,0 ... 894,0 MHz 0,4 0,6 dB
Input VSWR
869,0 ... 894,0 MHz 1,5 1,8
Output VSWR
869,0 ... 894,0 MHz 1,5 1,8
Attenuation
0,0 ... 434,0 MHz 45 54 dB
434,0 ... 447,0 MHz 45 52 dB
447,0 ... 849,0 MHz 30 35 dB
914,0 ...1000,0 MHz 26 29 dB
1000,0 ...1738,0 MHz 28 38 dB
1738,0 ...6000,0 MHz 40 46 dB
Amplitude balance (|S
31
/S
21
|)
869,0 ... 894,0 MHz -1,0 -0,5 ... 0,0 1,0 dB
Phase balance (φ(S
31
)−φ(S
21
)+180˚)
869,0 ... 894,0 MHz -5 -3,0 ... 1,5 5 degree
Common mode suppression S
sc12
869,0 ... 894,0 MHz 20 26 dB
824,0 ... 995,0 MHz 20 26 dB
1648,0 ... 1990,0 MHz 22 40 dB
3296,0 ... 3980,0 MHz 20 35 dB

B39881B7845K410

Mfr. #:
Manufacturer:
Description:
Signal Conditioning CSSPLUS 881.5
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

Products related to this Datasheet