F
ILTERS
C
ERAMIC
L
OW
P
ASS
DC to 5400 MHz
NEW!
PASSBAND
(MHz)
u
50
Ω
LFTC
LFTC-L
all specifications at 25°C
fco
(MHz)
Nom.
(loss 3 dB)
Typ.
1078
1078
1550
1550
1980
1980
6410
6410
STOP BAND
(MHz)
fr20 dB
Typ.
5500
5500
7000
7000
7200
7200
12000
12000
VSWR (:1)
Passband
MODEL
NO.
LFTC-850
LFTC-850
LFTC-1350
LFTC-1350L
LFTC-1700
LFTC-1700L
LFTC-5400
LFTC-5400L
(loss < 1 dB)
DC-850
DC-850
DC-1350
DC-1350
DC-1700
DC-1700
(loss < 1.3 dB)
DC-5400
DC-5400
POWER THERMAL
INPUT
RESIS-
(W)
TANCE
°C/W
16
16
15
15
14
14
19
19
25
25
27
27
32
32
20
20
CASE
STYLE
(loss > 20dB)
1500
1500
2100
2100
2700
2700
9000-11000
9000-11000
(loss >40 dB)
2000-3500
2000-3500
2700-4000
2700-4000
3300-3880
3300-3880
—
—
Typ.
1.2
1.2
1.2
1.2
1.2
1.2
1.1
1.1
Note B
FR933
FR932
FR933
FR932
FR933
FR932
FR933
FR932
C
O
N
N
E
C
T
I
O
N
PRICE
$
Qty.
(10-49)
3.95
4.20
3.95
4.20
3.95
4.20
3.95
4.20
nw
nw
nw
nw
nw
nw
nw
nw
see suggested PCB layout (PL-112) for LFTC & LFTC-L models
features
l
l
l
miniature size, 0.15"x0.15"x.028"
low profile, .028" height
high power handling, 16W
applications
l
l
l
harmonic rejection
internal rejection
receivers & transmitters
NOTES:
u
Aqueous washable.
A. Environmental specifications and re-flow soldering information
available in General Information Section.
B. Units are non-hermetic unless otherwise noted. For details on
case dimensions & finishes see “Case Styles & Outline Drawings”.
C. Prices and Specifications subject to change without notice.
1. Absolute maximum power, voltage and current ratings:
1a. LPCH models: RF power input, 10W max. derate linearly
to 3W at 100°C
1b. LFTC models, See spec table above. At 100°C ambient, derate
linearly to 7W (LFTC-850,-1350), to 6W (LFTC-1700) and to 8W (LFTC-5400)
2. Operating temperature, -55°C to 100°C, LFTC & LPCH models.
model identification
Model
LFTC-850
LFTC-850L
LFTC-1350
LFTC-1350L
LFTC-1700
LFTC-1700L
LFTC-5400
LFTC-5400L
marking
LF3 OR F3
LF3 OR F3
LF1 OR F1
LF1 OR F1
LF4 OR F4
LF4 OR F4
LF5 OR F5
LF5 OR F5
Mini-Circuits
196
®
INTERNET
http://www.minicircuits.com
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021122
Mini-Circuits
Surface Mount
®
C
ERAMIC
L
OW
P
ASS
DC to 900 MHz
NEW!
LPCH
PASSBAND, MHz
u
fco, MHz
Nom.
(loss 3 dB)
Typ.
700
890
1100
1280
STOP BAND, MHz
VSWR
Passband Stopband
CASE
STYLE
MODEL
NO.
LPCH-500
LPCH-600
LPCH-800
LPCH-1000
(loss < 1 dB)
Min.
DC-500
DC-575
DC-750
DC-900
(loss > 20dB)
Min.
825-950
1080-1175
1300-1450
1550-1650
(loss > 35 dB)
Min.
950-1450
1175-3000
1450-3000
1650-3000
Typ.
1.2:1
1.2:1
1.2:1
1.2:1
Typ.
20:1
20:1
20:1
20:1
Note B
BJ850
BJ850
BJ850
BJ850
C
O
N
N
E
C
T
I
O
N
PRICE
$
Qty.
(10-49)
5.95
5.95
5.95
5.95
nu
nu
nu
nu
see suggested PCB layout (PL-047) for LPCH models
features
l
l
l
l
l
excellent rejection, 40 dB at 1.35 f
3
dB
excellent power handling, 10W
low height, .070" max.
9 sections
patent pending
ATTENUATION, dB
TYPICAL FREQUENCY RESPONSE
40dB
applications
l
l
l
20dB
harmonic rejection
VHF/UHF transmitters/receivers
lab use
DC
3dB
1dB
0.9 1
1.7
1.3
FREQUENCY / Fco
2
pin connections
see case style outline drawings
PORT
nu
INPUT
1
OUTPUT
5
GND
2,3,4,6,7,8
DEMO BOARD
TB-189
nw
2
5
1,3,4,6
TB-233
LPCH-600
INSERTION LOSS
LPCH-800
INSERTION LOSS
LPCH-1000
INSERTION LOSS
50
45
40
35
30
25
20
15
10
5
0
INSERTION LOSS (dB)
60
50
40
30
20
10
0
INSERTION LOSS (dB)
50
40
30
20
10
0
INSERTION LOSS (dB)
0
70
60
0
0
3000
3000
1200
1500
1800
2100
2400
2700
1200
1500
1800
2100
2400
2700
1200
1500
1800
2100
2400
2700
3000
300
600
900
300
600
900
300
600
900
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
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Consult Our Applications Dept.
197
021028