12 or 16 kHz
Tax Pulse Filter
Electrical Specifications at 25
O
C
P/N F-3501
Section (Pins)
Inductance
+5%
(mH)
D.C. Resistance
Max.
(Ω)
Attenuates 12 or 16 kHz signals to
telco equipment by more than 25 dB.
Use two F-3501 inductors, one in a parallel
LC configuration followed by one in a series
configuration, to provide more than 40 dB
attenuation of tax pulse signals.
D.C. Current
Max.
(mA)
Dielectric
Min.
(VAC)
Attenuates
12kHz or 16 kHz
L1 (1-2)
L2 (1-6)
L3 (1-5)
L4 (1-4)
1.44
2.58
4.52
7.96
2.30
3.25
6.35
10.7
90
70
90
70
1250
1250
1250
1250
16 kHz,
Parallel
L1 with C=68 nF
12 kHz,
Parallel
L2 with C=68 nF
16 kHz,
Series
L3 with C=22 nF
12 kHz,
Series
L4 with C=22 nF
1. Tested at 10KHz and 100 mV
RMS
1
L1
2
6
5
4
Schematic
Diagram
for
P/N F-3501
L2
L3
L4
}
Optional
use as
Dual
P/N F-3501
Thru-hole Package
.465
(11.81)
MAX.
.375
(9.53)
MAX.
.370
(9.40)
MAX.
P/N F-3501G
Surface Mount Package
.375
(9.53)
MAX.
.394
(10.00)
MAX.
.375
(9.53)
MAX.
.025
(0.64)
.34
(8.6)
.098
(2.50)
.028
(0.70)
.505 (12.83)
.490 (12.45)
.110
(2.79)
MIN.
.098
(2.49)
.080
(2.03)
.024
(0.61)
4
.039
(0.99)
.525
(13.34)
6
5
Bottom
View
1
2
3
Surface Mount
version
Available on
Tape & Reel
6
5
4
1
Suggested
Pad Layout
.100
(2.54)
TYP.
.050
(1.27)
TYP.
2
3
.075
(1.905)
TYP.
Specifications subject to change without notice.
For other values & Custom Designs, contact factory.
TAXFILT2 - 10/98
Rhombus
Industries Inc.
20
15801 Chemical Lane, Huntington Beach, CA 92649-1595
Tel: (714) 898-0960
•
Fax: (714) 896-0971
12 or 16 kHz
Tax Pulse Filter
Electrical Specifications at 25
O
C
P/N F-3504
Section (Pins)
Inductance
+5%
(mH)
D.C. Resistance
Max.
(Ω)
Attenuates 12 or 16 kHz signals to
telco equipment by more than 25 dB.
Use two F-3504 inductors, one in a parallel
LC configuration followed by one in a series
configuration, to provide more than 40 dB
attenuation of tax pulse signals.
D.C. Current
Max.
(mA)
Dielectric
Min.
(VAC)
Attenuates
12kHz or 16 kHz
L1 (1-3)
L2 (1-10)
L3 (1-8)
L4 (1-6)
1.44
2.58
4.52
7.96
2.30
3.25
6.35
10.7
90
70
90
70
1250
1250
1250
1250
16 kHz,
Parallel
L1 with C=68 nF
12 kHz,
Parallel
L2 with C=68 nF
16 kHz,
Series
L3 with C=22 nF
12 kHz,
Series
L4 with C=22 nF
1. Tested at 10KHz and 100 mV
RMS
.590
(15.19)
.590
(15.19)
.307
(7.80)
.120
(3.05)
MIN.
.540
(13.75)
}
Schematic
Diagram
P/N F-3504
L2
L3
L4
Optional
use as
Dual
.147
(3.75)
TYP.
Bottom View
1
2
3
4
1
L1
3
10
8
6
Pin Diameter
is 0.024 (0.6)
P/N F-3504
EFD-15 Thru-hole Package
8
7
6
5
.876
(22.25)
1
2
10
3
6
4
5
EFD-15 SMD
Suggested
Pad Layout
10
9
8
7
.098
(2.5)
TYP.
.045
(1.14)
TYP.
Physical Dimensions in Inches (mm)
10
.088
(2.24)
TYP.
6
1
5
P/N F-3504G
EFD-15 Surface Mount
Package
1
6
P/N F-3504GCP
EFD-15 Surface Mount
with Pick-&-Place Cap
5
.685
(17.4)
MAX.
.335
(8.50)
MAX.
.016
(0.4)
.700
(17.8)
MAX.
.620
(15.75)
MAX.
.330
(8.38)
MAX.
.016
(0.4)
.620
(15.75)
MAX.
.709 (18.0)
.028
(0.7)
.098
(2.5)
.850 (21.6)
.028
(0.7)
.098
(2.5)
.709 (18.0)
.850 (21.6)
TAXFILT2 - 10/98
Specifications subject to change without notice.
For other values & Custom Designs, contact factory.
Rhombus
Industries Inc.
21
15801 Chemical Lane, Huntington Beach, CA 92649-1595
Tel: (714) 898-0960
•
Fax: (714) 896-0971
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