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Chokes
• Minimum Order: $25.00 in Parts
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Resistors
choke g
choke i
Chokes for Solid State Amplifiers:
Coiled or Molded

Grounded Grid Filament Choke

Ferrite Interference Choke

High Power Transmitter Chokes

High Power RF Chokes for Tube Amplifiers:
Single Winding, Multilayer, and Hammond H.V. RF

VK200-Style Ferrite Chokes


Chokes for Solid State Amplifiers
Coiled RF Chokes / Inductors
Part Number Photo uH Ma. Size
(DxL, inches) 		Price Ea.
1-9		 Price Ea.
10-24
RFC.12-400 choke d 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
RFC1.2-2A 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
RFC3.0-800 3.0 800 3/16 x 1/2
.75
.60
RFC3.3-800 3.3 800 1/4 X 9/16
.75
.60
RFC4.9-15A choke a 4.9 15A 1/2 x 1 1/4
3.35  
2.70  
RFC5.6-632 choke d 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
RFC15-4A choke a 15 4A 5/16 x 1 3/8
3.35  
2.70  
RFC17-400 choke d 17 400 3/16 x 1/2
.75
.60
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  
RFC33-300 choke b 33 300 -
4.95  
-
RFC33-800 choke d 3.3 800 1/4 x 9/16
.75
.60
RFC120-200 120 200 3/16 x 1/2
.75
.60
RFC150-250 150 250 1/8 x 1/4
.75
.60
B17310 choke b 150 250 1/4 x 3/4
4.95
-
RFC220-80 choke d 220 80 1/8 x 3/8
.75
.60
RFC470-420   470 420 5/16 x 1/2
2.50
2.00
RFC1mh-79 choke d 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 / Inductorschoke m
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.33-565 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
RFCM4.7-380 4.7 380 3/16 x 1/2
2.50
2.00
RFCM5.1-320 5.1 320 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
RFCM22-1000 22 1000 1/4 x 1
2.20
2.00
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
RFCM10mh-50 10 mh 50 1/2 x 5/8
3.20
2.55



Grounded Grid Filament Choke
filament choke Bifilar wound, broadband filament chokes.

Suitable for 3-500Z, 3-500ZG, 3-1000A, 3CX800A7, 8877, 833, etc.

30A, 1.8 - 30 MHz     6" L x 0.7" OD

Part Number: FILRFC-30     •     $19.95 ea.



Ferrite Interference Choke
FERCKE 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#: 0443164151

 0.5 1.2" x 1.3" x 1.3"
RG8
RG213
LMR400
$3.95
  3.50
2.95

FERCKE-AA


Matl: 43
MFR#:

0.5 0.875" OD x .437 "
RG8
RG213
LMR400
3.85
   
  

FERCKE-AAA

(photo coming soon)

Matl: 43
MFR#:

0.45 1.2" x 1.3" x 1.6 "
4.20
3.90
3.40
FERCKE-B

Matl: 43
MFR#: 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#: 0443164251
 0.25 0.7" x 0.8" x 1.3"
RG8X
RG58
LMR195
LMR240
  2.15
  1.85
  1.65
FERCKE-D

Matl:
MFR#: ZCAT2035-0930
 0.36 0.8" OD x 1.4"
RG8X
RG58
LMR195
LMR240
  1.60
  1.45
  1.30
FERCKE-E

Matl: 43
MFR#: 0443806406 		0.6 1.3" OD x .625"
LMR600
FSJ4-50
  3.95
  3.45
  2.95
FERCKE-EE

Matl: 43
MFR#: 0443665806		  0.37  0.875" OD x .625"
RG58
LMR240
RG8/X
RG6/X
  1.50
  1.35
  1.20
FERCKE-G
FERCKE-G
Matl:
MFR#: ZCAT3035-1330
 0.5  1.25" OD x 1.3 "

LMR400
9913
RG8/U
5.95
5.60
5.25
FERCKE-M
FERCKE-M

Matl: 31
MFR#: 0431173551
.750 1.15" x 1.15" x 1.65"
LMR600
FSJ4-50A
LDF4-50A
5.95
5.75
5.50
FERCKE-S
FERCKE-S
Matl: 44
MFR#: 0444177081
 1.02 2.16" x 2.22" x 1.69"
LMR900
LDF4-50A
LDF4.5-50A
10.95
10.45
9.95


High Power Transmitter Chokes
rfc-3 choke 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
Part Number Photo uH Ma. LxW (in.) MHz Price Ea.
1-9		 Price Ea.
10-24
Z-14 choke b 44 680 2 x 7/16 7-35
$13.50
$12.95
Z-28 choke c 21 600 1 3/4 x 5/16 20-60
9.75
9.45
Z-50 choke d 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
3.50
2.80
Z-460 0.2 4000 1/2 x 5/32 320-520
3.50
2.80

Multilayer Chokes
Classic Chokes manufactured by Miller, National, Hammond, etc.
Part Number Photo mH Ma. LxD (in.) Price Ea.
1-9		 Price Ea.
10-24
RFC1207 ` 120uH 200 1 1/4 x 9/16
4.65
-
1533H choke f 1.0mH 160 7/8 x 9/16
  5.45
4.95
1535B 2.5mH 160 7/8 x 9/16
  4.40
5.95
4021162 4021162 2.5mH 500 1 x 1/2
6.95
  5.95

Hammond H.V. RF Chokes
Part Number Photo uH Ma. Ohms. Length
(in.)		 Price Ea.
RFC1508 RFC1508 35 500 3.1 3
$29.95
RFC1509 1000 600 6.0 3
44.95
RFC1512 RFC1512 3200 1000 4.5 3
49.95
RFC1515 RFC1515 250 500 3.0 4
27.25
RFC1518 100 750 1.2 5
29.95
RFC1521 90 1000 0.68 5
29.95


VK200-Style Ferrite Chokes
choke h 2 1/2 Turns

Impedance:   50 MHz  •  800W
Impedance: 100 MHz  •  550W

Part Number: VK200-3A     Axial

$2.00 / Pack of 5
choke i 3 Turns

Impedance:   50 MHz  •  800W
Impedance: 100 MHz  •  550W

Part Number: VK200-3R     Radial 

$2.00 / Pack of 5

Ferrite Bead
photo
coming
soon

Ferrite Choke

TDK, Axial

Part Number: HF55BTL  

$1.00 / Pack of 5


Price and availability subject to change without notice.

This page last updated: Monday, 24 March, 2008 2:26 PM

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