SAW Components
Preliminary Data Sheet B3860
SAW Components
Low-Loss Filter
Preliminary Data Sheet
B3860
445,25 MHz
Ceramic package
QCC12C
Features
q
Low-loss filter
q
Temperature stable
q
Package for Surface Mounted Technology
2,54
111
000
111
000
111
000
111
000
12
11
10
9
8
7
1,48
Terminals
q
Gold-plated
0,6
111
000
111
000
111
000
111
000
111
000
11
00
11
00
11
00
11
00
11
00
11
00
11
00
11
00
11
00
11
00
6
(SMT)
q
Hermetically sealed ceramic package
2,54
111 11 11
000 00 00
111 11 11
000 00 00
111 11 11 11
000 00 00 00
111 11 11 11
000 00 00 00
111
000
11
00
111
000
11
00
11
00
11
00
11
00
11
00
1
2
3
1,4
4
1,0
bottom view
5
111
000
111
000
111
000
111 111 11 11
000 000 00 00
111 11 11
000 00 00
111 11 11
000 00 00
111 11 11
000 00 00
side view
5,0
top view
7,0
Dimensions in mm, approx. weight 0,2 g
Pin configuration
10
12
4
6
1, 2, 3,
7, 8, 9
Input
Input ground or bal. input
Output
Output ground or bal. output
To be grounded
Type
B3860
Ordering code
B39451B3860H310
Marking and Package
according to
C61157A0007A052
Packing
according to
F61074V8038Z000
Electrostatic Sensitive Device
(ESD)
Maximum ratings
Operable temperature range
Storage temperature range
DC voltage
Source power
T
T
stg
V
DC
P
s
– 45/+ 85
– 40/+ 85
0
10
˚C
˚C
V
dBm
source impedance 75
Ω
2
Aug 02, 2002
SAW Components
Low-Loss Filter
Preliminary Data Sheet
Characteristics
Operating temperature:
Terminating source impedance:
Terminating load impedance:
T = -25 ... +75 ˚C
Z
S
= 75
Ω
and matching network
Z
L
= 75
Ω
and matching network
min.
Nominal frequency
Insertion attenuation at
f
N
(T=25 ˚C)
Variation of insertion att.
(rel. to
α
N
)
Frequency response
3 dB Lower frequency
3 dB Upper frequency
35 dB Lower frequency
35 dB Upper frequency
Amplitude ripple
(peak to adjacent valley)
f
N
±
100 kHz
Relative attenuation
f
N
- 200,0 MHz ...
f
N
- 10,0 MHz
f
N
- 10,0 MHz ...
f
N
- 3,0 MHz
f
N
+ 3,0 MHz ...
f
N
+ 10,0 MHz
f
N
+ 10,0 MHz ...
f
N
+ 200,0 MHz
Temperature coefficient of frequency
Turnover temperature
1)
B3860
445,25 MHz
typ.
445,25
8,5
—
max.
—
9,5
±0,9
MHz
dB
dB
f
N
α
N
α
rel
—
6,5
—
f
L 3dB
f
U 3dB
f
L35dB
f
U35dB
—
445,75
442,25
—
444,40
446,40
442,90
448,00
444,75
—
—
448,25
MHz
MHz
MHz
MHz
—
α
rel
40
35
35
40
0,3
0,5
dB
48
46
46
45
– 0,036
25
—
—
—
—
—
—
dB
dB
dB
dB
ppm/K
2
˚C
TC
f
T
0
—
—
Matching circuit:
C
p1
= 12pF
2)
L
s2
= 18nH
2)
L
s3
= 18nH
2)
C
p4
= 12pF
2)
1)
Temperature
2)
dependance of
f
c
:
f
c
(T
A
) =
f
c
(T
0
)(1 +
TC
f
(T
A
–
T
0
)
2
)
Element values depend on PCB layout
3
Aug 02, 2002
SAW Components
Low-Loss Filter
Preliminary Data Sheet
Normalized frequency response
B3860
445,25 MHz
Normalized frequency responseq
4
Aug 02, 2002
SAW Components
Low-Loss Filter
Preliminary Data Sheet
B3860
445,25 MHz
Published by EPCOS AG
Surface Acoustic Wave Components Division, SAW MC IS,
P.O. Box 80 17 09, 81617 Munich, GERMANY
©
EPCOS AG 2002. Reproduction, publication and dissemination of this brochure and the informa-
tion contained therein without EPCOS’ prior express consent is prohibited.
Purchase orders are subject to the General Conditions for the Supply of Products and Services of
the Electrical and Electronics Industry recommended by the ZVEI (German Electrical and Electronic
Manufacturers’ Association), unless otherwise agreed.
This brochure replaces the previous edition.
For questions on technology, prices and delivery please contact the Sales Offices of EPCOS AG or
the international Representatives.
Due to technical requirements components may contain dangerous substances. For information on
the type in question please also contact one of our Sales Offices.
5
Aug 02, 2002
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