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SIGNAL & TELEPHONE CIRCUIT FILTERS

SERIES 222 SIGNAL & TELEPHONE CIRCUIT RFI/EMC FILTERS

SIGNAL & TELEPHONE CIRCUIT, RFI/EMC FILTERS, MULTI-CIRCUIT ASSEMBLIES

SERIES 222
SIGNAL & TELEPHONE CIRCUIT
RFI/EMC FILTERS

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LOW FREQUENCY CHARACTERISTICS MEASURED IN A 300 OHM LINE TO GROUND SYSTEM 

TYPE

TYPICAL INSERTION LOSS

FIGURE 1

FIGURE 2

1KHz

3KHz

4KHz

5KHz

RF222-101

RF222-006

0.25

0.25

0.25

0.50

RF222-002

RF222-007

0.17

0.17

0.17

0.50

RF222-003

RF222-008

0.25

0.60

1.70

11

RF222-004

RF222-009

0.20

0.30

0.80

2.80

RF222-205

RF222-010

0.17

0.50

2.00

18



FIGURE 1 

TYPE 

RATING

GRAPH

A

B

C

D

E

F

MAX RESISTANCE

APPROX. WT

RF222-101

.5A 300VDC

A

1.13

3.25

0.44

0.50

7/16-20

0.370

4 OHMS 

6 OZ

RF222-002

.15A 300 VDC

B

1.00

3.37

0.28

0.50

5/16-24

0.250

12 OHMS

4 OZ

RF222-003

.15A 300 VDC

C

1.00

3.63

0.28

0.50

5/16-24

0.250

14 OHMS 

4 OZ

RF222-004

.5A 300VDC

D

1.25

5.00

0.44

0.50

7/16-20

0.370

12 OHMS

9 OZ

RF222-205

.15A 300 VDC

E

1.38

4.13

0.38

0.50

3/4-20

0.655

11 OHMS

10 OZ



FIGURE 2

TYPE 

RATING

GRAPH

A

B

C

D

E

MAX RESISTANCE

APPROX. WT

RF222-006

2 X .5A 300 VDC

A

2.50

9.00

1.50

7.50

1.25

4 OHMS 

24 OZ

RF222-007

2 X .15A 300 VDC

B

2.25

8.63

1.38

7.13

1.00

12 OHMS

20 OZ

RF222-008

2 X .15A 300 VDC

C

2.25

8.63

1.38

7.13

1.00

14 OHMS 

20 OZ

RF222-009

2 X .5A 300 VDC

D

2.75

10.00

1.63

8.50

1.50

12 OHMS

36 OZ

RF222-010

2 X .15A 300 VDC

E

3.00

10.00

1.75

8.50

1.75

11 OHMS

48 OZ

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SIGNAL & TELEPHONE CIRCUIT
RFI/EMC FILTERS
MULTI-CIRCUIT ASSEMBLIES

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