RF Parts Company ~ Chokes

Chokes for Solid State Amplifiers
Coiled RF Chokes / Inductors
Photo	Part Number	uH	Ma.	Size (DxL, inches)	Price Ea. 1-9	Price Ea. 10-24
	RFC.12-400	0.12	400	1/8 x 9/16	$ .75	$ .60
	RFC.18-200	0.18	200	1/8 x 1/4	.75	.60
	RFC.22-400	0.22	400	1/8 x 5/16	.75	.60
	RFC.39-2A	0.39	2A	3/16 x 9/16	.75	.60
	RFC.47-200	0.47	200	1/8 x 5/16	.75	.60
	RFC.7-2A	0.7	2A	3/16 x 9/16	.75	.60
	RFC1.0-2A	1.0	2A	3/16 x 9/16	.75	.60
	RFC1.2-1.4	1.2	1.4	1/8 x 7/16	.75	.60
	RFC1.2-2A	1.2	2A	1/8 x 3/8	.75	.60
	RFC1.5-750	1.5	750		.75	.60
	RFC2.7-200	2.7	200	1/8 x 3/8	.75	.60
	RFC3.3-800	3.3	800	1/4 X 9/16	.75	.60
	RFC4.9-15A	4.9	15A	1/2 x 1 1/4	3.35	2.70
	RFC5.6-632	5.6	632	1/8 x 3/8	.75	.60
	RFC10-400	10	400	1/8 x 3/8	.75	.60
	RFC10-1A	10	1A	1/4 x 3/4	1.25	1.10
	RFC10-2A	10	2A	1/4 x 3/4	1.75	1.60
	RFC12-2A	12	2A	3/16 x 9/16	.75	.60
	RFC12-4A	12	4A	5/16 x 1 3/8	1.95	1.75
	RFC15-4A	15	4A	5/16 x 1 3/8	3.35	2.70
	RFC17-400	17	400	3/16 x 1/2	.75	.60
	RFC20-1.28	-	-	-	1.75	1.50
	RFC22-400	22	400	1/8 x 7/16	use 17 uh
	RFC24-800	24	800	1/4 x 3/4	1.75	1.45
	RFC30-2A	30	2A	1/2 x 1 1/4	2.95	2.75
	RFC33-2	33	2	-	2.50	2.25
	RFC120-200	120	200	3/16 x 1/2	.75	.60
	RFC220-80	220	80	1/8 x 3/8	.75	.60
	RFC1207	120	200	5/16 x 1-3/8	4.65	-
	RFC1mh-79	1 mh	79	1/8 x 1/4	2.95	2.60
	RFC1mh-100	1 mh	100	1/4 x 3/4	1.05	.95

Molded RF Chokes / Inductors
Part Number	uH	Ma.	Size	Price Ea. 1-9	Price Ea. 10-24
RFCM.22-935	0.22	935	3/16 x 1/2	$ 1.50	$ 1.20
RFCM.33-700	0.33	700	3/16 x 1/2	1.50	1.20
RFCM.47-565	0.47	565	3/16 x 1/2	2.50	2.00
RFCM.56-490	0.56	490	1/8 x 5/16	1.50	1.20
RFCM.62-100	0.62	100	1/8 x 7/16	1.50	1.20
RFCM.82-380	0.82	380	1/8 x 7/32	1.50	1.20
RFCM1.0-900	1.0	900	3/16 x 1/2	1.50	1.20
RFCM1.5-835	1.5	835	3/16 x 1/2	1.50	1.20
RFCM2.2-650	2.2	665	3/16 x 1/2	1.50	1.20
RFCM2.7-535	2.7	535	3/16 x 1/2	2.50	2.00
RFCM3.0-600	3.0	600	3/16 x 1/2	2.50	2.00
RFCM3.3-300	3.3	300	3/16 x 1/2	1.50	1.20
RFCM10-250	10	250	1/8 x 3/8	1.50	1.20
RFCM12-205	12	205	3/16 x 1/2	1.50	1.20
RFCM15-325	15	325	3/16 x 1/2	1.50	1.20
RFCM22-295	22	295	7/32 x 1/2	2.50	2.00
RFCM22-335	22	335	1/8 x 7/16	.75	.60
RFCM27-260	27	260	1/4 x 3/4	.75	.60
RFCM33-200	33	200	3/16 x 1/2	2.50	2.00
RFCM43-172	43	172	3/16 x 1/2	1.50	1.20
RFCM62-100	62	100	1/8 x 5/16	1.50	1.20
RFCM68-156	68	156	1/8 x 3/8	.75	.60
RFCM100-160	100	160	3/16 x 1/2H	2.80	2.25
RFCM390-100	390	100	1/4 x 9/16	2.80	2.50
RFCM470-420	470	420	5/16 x 1/2	2.50	2.00

Ferrite Interference Choke

Two piece snap-together assembly wraps around coax. Removes RF from outside of cable. It is possible to make 2 or 3 turns of smaller coax. Several chokes will isolate end of coax for balanced feed (balun). Useful on mic leads & computer cables. Excellent for reducing RF on a mobile linear's +12V lead. New low pricing. Limited to stock on hand.

Part Number / Photo

Maximum
Cable Dia.

Nominal
H x W x L

Typical
Cable Types

Price Ea.
1-5

Price Ea.
6-11

Price Ea.
12-24

FERCKE-A

Matl: 43
MFR FAIR-RITE #: 0443164151

0.5

1.2" x 1.3" x 1.3"

9913
RG8
RG213
LMR400

$3.95

3.50

2.95

FERCKE-AA

Matl: 43
MFR TDK #: ZCAT2436-1330

0.5
(13mm)

0.875" OD x .437 "

RG8
RG213
LMR400

3.85

3.25

2.85

FERCKE-AAA

FERCKE-AAA

Matl: 43
MFR TKK #: SFT72SN

0.45

1.2" x 1.3" x 1.6 "

4.20

3.90

3.40

FERCKE-B

Matl: 43
MFR FAIR-RITE #: 0443167251

0.32

0.9" x 1.0" x 1.3"

RG8X
RG58
RG59
LMR240

2.30

2.15

1.95

FERCKE-C

Matl: 43
MFR FAIR-RITE #: 0443164251

0.25

0.7" x 0.8" x 1.3"

RG8X
RG58
LMR195
LMR240

2.35

2.15

2.05

FERCKE-D

Matl: 44
MFR TDK #: ZCAT2035-0930

0.36

0.8" OD x 1.4"

RG8X
RG58
LMR195
LMR240

2.35

2.15

2.05

FERCKE-DD

Matl: 44
MFR FAIR-RITE #: 0444167781

0.388

0.933" OD x 1.55"

RG8X
RG58
LMR195
LMR240

2.15

2.05

1.95

FERCKE-E

Matl: 43
MFR#: 0443806406

0.591

1.3" OD x .625"

LMR400
LMR600
FSJ4-50

3.95

3.45

2.95

FERCKE-EE

Matl: 43
MFR FAIR-RITE #: 0443665806

0.362

0.875" OD x .625"

RG58
LMR240
RG8/X
RG6/X

1.50

1.35

1.20

FERCKE-G

Matl:
MFR TDK #: ZCAT3035-1330

0.5
(13mm)

1.25" OD x 1.3 "

LMR400
9913
RG8/U

2.95

2.60

2.45

FERCKE-M

Matl: 31
MFR FAIR-RITE #: 0431173551

.728

1.15" x 1.15" x 1.65"

RG217
LMR600
FSJ4-50A
LDF4-50A

5.95

5.75

5.50

FERCKE-S

Matl: 44
MFR FAIR-RITE #: 0444177081

1.00

2.16" x 2.22" x 1.69"

RG218
LMR900
LDF4-50A
LDF4.5-50A

10.95

10.45

9.95

High Power Transmitter Chokes
	1.8-30 MHz Amateur Bands including WARC. Ideal for amplifiers using 811A, 572B, 813, 833, 3-500Z, 8877, 3CX800A7, etc. Used extensively in the Ameritron and similar Linear Amps. 1.5A, 225 uH, 4 KV max Size: 5 5/8" L x 1" diameter Ceramic coil form Part Number: RFC-3 • $24.95 ea.

High Power RF Chokes for Tube Amplifiers
Single Winding Chokes
Photo	Part Number	uH	Ma.	LxW (in.)	MHz	Price Ea. 1-9	Price Ea. 10-24
	Z-14	44	680	2 x 7/16	7-35	$13.50	$12.95
	Z-28	21	600	1 3/4 x 5/16	20-60	9.75	9.45
	Z-50	7	1000	1 x 9/32	35-110	5.55	5.20
	Z-144	1.8	1100	3/4 x 3/16	80-200	4.95	4.75
	Z-235	0.8	1700	5/8 x 3/16	160-350	4.95	4.55
	Z-460	0.2	4000	1/2 x 5/32	320-520	5.95	5.45
Similar to with different mounting; new photo coming soon.	RFC55	55	500	3-5/8 x 9/16	3.5-30	24.95	-

Multilayer Chokes
Classic Chokes manufactured by Miller, National, Hammond, etc.
Photo	Part Number	mH	Ma.	LxD (in.)	Price Ea. 1-9	Price Ea. 10-24
	1533H	1.0mH	160	7/8 x 9/16	6.25	Call
	1535B	2.5mH	160	7/8 x 9/16	5.95	Call
	4021162	2.5mH	500	1 x 1/2	8.95	8.50
	102-752	0.85mH	500	3 x 1-1/8	49.95	Call
	R300U	1.0mH	300	2.7 x .67	14.95	Call
	4533	2.5mH	750	3.65 x 1.5	55.00	Call
	R145U	1.0mH	600	3.1 x 1	45.00	Call

Hammond H.V. RF Chokes
Part Number	Photo	uH	Ma.	Ohms.	Length (in.)	Price Ea.
	RFC1508	35	500	3.1	3	$35.95
	RFC1509	1000	600	6.0	3	49.95
	RFC1515	250	500	3.0	5	35.95
	RFC1518	100	750	1.2	5	35.95
	RFC1521 *	90	1000	6.8	4	39.95
Misc. H.V. RF Chokes
Part Number	Photo	uH	Ma.	Ohms.	Length (in.)	Price Ea.
	RFC800	90	500	-	6"	$32.95
	RFC115	115	500	-	4"	30.00

* Limited Quantity

VK200-Style Ferrite Chokes

	2 1/2 Turns Impedance: 50 MHz • 800 Ohms Impedance: 100 MHz • 550 Ohms Part Number: VK200-3A Axial $2.00 / Pack of 5

	3 Turns Impedance: 50 MHz • 800 Ohms Part Number: VK200-3R Radial $2.00 / Pack of 5

Ferrite Bead

Ferrite Choke

TDK, Axial

Part Number: HF55BTL

$1.00 / Pack of 5

Ferrite Cores

Complete listing of Ferrite cores can be found here.

Price and availability subject to change without notice.

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Grounded Grid Filament Choke
	Bifilar wound, broadband filament chokes. Suitable for 3-500Z, 3-500ZG, 3-1000A, 3CX800A7, 3CX1000A7, 8877, 833, etc. 30A, 1.8 - 30 MHz 6" L x 0.7" OD Part Number: FILRFC-30 • $19.95 ea.

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