R.F. CHOKES (1531-1536 Series)
Single Layer Coil Type
3-Pi Coil Type
R.F. CHOKES
•
All models impregnated with a moisture and fungus resistant varnish.
•
Lead length of 1.5" (+/- 0.13")
•
Wound for low distributed capacity by using solenoid (single coil) or 3-Pi windings
•
All single coil versions include vinyl insulation covering
Inductance
L
2.4 uH
10 uH
10 uH
15 uH
24 uH
39 uH
55 uH
100 uH
1 mH
1 mH
2.4 mH
2.5 mH
5 mH
10 mH
25 mH
50 mH
L
Tolerance
10%
10%
5%
5%
5%
5%
5%
5%
5%
5%
5%
5%
5%
5%
5%
5%
Q
Min.
56
36
69
62
65
70
72
107
59
83
80
106
91
108
102
113
Test
Freq.
7.9 MHz
7.9 MHz
2.5 MHz
2.5 MHz
2.5 MHz
2.5 MHz
2.5 MHz
0.79 MHz
250 KHz
250 KHz
250 KHz
250 KHz
250 KHz
79 KHz
79 KHz
79 KHz
Self
Resonant
Min.
Freq.
MHz
120
61
40
33
25
0.2
17
12
3.7
2.6
1.7
1.3
1
0.71
0.47
0.33
Max
D.C.
Resist.
Ohms
0.19
1.5
0.11
0.17
0.34
0.65
1
3
19
8.6
15
9
14
31
82
127
Max
D.C.
Current
ma.
1500
500
1500
1000
800
600
500
400
160
160
160
160
160
100
65
65
Coil
Dia.
In.
0.27
0.27
0.29
0.29
0.29
0.29
0.29
0.29
0.563
0.469
0.531
0.469
0.531
0.531
0.531
0.625
Core
Material
Phenolic
Phenolic
Iron
Iron
Iron
Iron
Iron
Iron
Phenolic
Iron
Iron
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Core
Length
In.
0.75
0.75
0.875
0.875
0.875
0.875
0.875
0.875
0.75
0.875
0.875
0.875
0.875
0.875
0.875
0.875
Coil
Type
Single
Single
Single
Single
Single
Single
Single
Single
3-Pi
3-Pi
3-Pi
3-Pi
3-Pi
3-Pi
3-Pi
3-Pi
Chokes
Part No
1531L
1531R
1532A
1532B
1532C
1532D
1532E
1532H
1533H
1534A
1534C
1535B
1535D
1535G
1535J
1535L
•
Molded powdered iron core
•
1.25" long leads (+/- 0.1")
•
High inductance & high current
•
L measured at 7.9 Mhz. on 1536D, E and F all others at 1 Khz.
•
All chokes include vinyl insulation covering.
Part No.
1536D
1536E
1536F
1536L
1536P
1536S
1536T
1536TA
*
1536W
1536X
1536Y
1536Z
Inductance
+/- 20% uH
3.35
4.90
8.80
4
40
68
100
100
125
250
500
1000
D.C.
Resistance
Ohms
0.010
0.016
0.021
0.012
0.082
0.054
0.216
0.55
0.08
0.17
0.26
0.55
HEAVY DUTY HASH CHOKES
Self Resonant
Freq. MHz.
45
42
28
24.30
10.4
5.70
4.10
-
2.65
1.50
1.17
-
Max D.C.
Current
Amps
20
15
10
8
3
5
2
1
3.5
2.5
2
1
Coil
Dia.
In.
0.53
0.50
0.50
0.31
0.31
0.53
0.31
0.80
0.50
0.43
0.56
0.50
Core
Length
In.
1.31
1.25
1.25
0.91
1.25
1.25
1.25
1.10
1.25
1.25
1.25
1.03
* Dual choke - all electrical values are for both sections
Basingstoke, UK 01256 812812
Queenstown, Australia 61-8-8240-2244
EUROPE
www.hammondmfg.com
AUSTRALIA
Guelph, Ontario (519) 822-2960
St. Laurent, Quebec (514) 343-9010
Cheektowaga, NY (716) 630-7030
CANADA
USA
51
©
R.F. CHOKES (1537-1538 Series)
HIGH CURRENT CHOKES
•
Large ferrite core for extended saturation point, optimum frequency range .01-2 Mhz.
•
1.5" long leads (+/- 0.1")
•
Test frequency 1 Khz.
•
Core length 1.25". Coil is covered with vinyl shrink sleeve.
Part No.
1537E
1537F
1537G
1537H
1537J
1537K
1537L
1537M
1537N
1537P
1537R
Inductance
+/- 5% uH
10
20
30
40
50
75
100
250
500
750
1000
Min. Q
4.5
6.5
5.3
5.2
3.4
3.2
10.5
12.0
11.6
10.0
7.4
D.C.
Resistance
Ohms
0.006
0.013
0.024
0.039
0.064
0.128
0.05
0.114
0.26
0.465
0.83
Max. D.C.
Current
Amps
20
12.5
8
5
3.2
2
8
5
3.2
2
1.25
Chokes
Coil Dia. Lead Dia.
In.
Gauge
0.63
0.60
0.58
0.57
0.56
0.54
0.71
0.69
0.65
0.61
0.59
14
16
18
20
20
20
18
18
20
20
20
• High saturation flux density ferrite rods.
•
1" long leads, tinned to within 1/8" of body.
• Ideal for filtering or energy storage inductors.
•
Inductance measured at @ 1Khz. with 0 amps. D.C.
current, typical inductance change is less than 5% @ twice
rated current.
EMI/RFI CHOKES
Inductance L
Part No.
uH +/- 10%
1538M01
1538M02
1538M03
1538M04
1538M05
1538M06
1538M07
1538M08
1538M09
1538M10
1538M11
1538M12
1538M13
1538M14
1538M15
1538M16
1538M17
1538M18
1538M19
1538M20
1538M21
1538M22
1538M23
1538M24
5
10
27
50
100
150
250
5
10
27
50
68
100
150
5
10
27
50
68
100
5
10
27
50
Fo
Min.
MHz
32.4
21.6
5.6
3.44
2.08
1.84
1.1
27.2
21.7
5.6
4.4
3.6
2.4
1.6
34.7
20
6.2
3.8
3.2
2.2
30.8
20
6.4
3.5
R - D.C.
Max.
Ohms
0.013
0.017
0.03
0.04
0.061
0.069
0.089
0.009
0.012
0.022
0.028
0.034
0.038
0.046
0.006
0.008
0.014
0.02
0.023
0.027
0.004
0.006
0.010
0.013
I - D.C.
Max.
Amps
10
9
7
5.6
4.9
4.6
4
14
12
9
8
7.3
6.8
6.3
19
16
12.5
10.5
10
10
23
20
15
15
Max.
Dim. A
0.88
1.12
0.88
0.88
1.12
1.38
1.62
0.88
1.12
0.88
1.12
1.12
1.38
1.62
1.12
1.38
1.12
1.38
1.38
1.62
1.38
1.69
1.38
1.62
Max.
Dim. B
0.63
0.63
0.81
0.81
0.81
0.81
0.81
0.64
0.64
0.88
0.88
0.88
0.88
0.88
0.69
0.94
0.94
0.94
0.94
0.94
0.72
0.72
1.00
1.00
Typ.
Dim. C
0.50
0.69
0.44
0.75
0.94
1.06
1.31
0.75
1.00
0.56
0.75
0.88
1.00
1.25
0.81
1.22
0.69
0.94
1.12
1.31
0.94
1.50
0.94
1.12
Typ.
Dim. D
0.042
0.042
0.042
0.042
0.042
0.042
0.042
0.053
0.053
0.053
0.053
0.053
0.053
0.053
0.065
0.065
0.065
0.065
0.065
0.065
0.082
0.082
0.082
0.082
Guelph, Ontario (519) 822-2960
St. Laurent, Quebec (514) 343-9010
©
Cheektowaga, NY (716) 630-7030
CANADA
USA
www.hammondmfg.com
Basingstoke, UK 01256 812812
Queenstown, Australia 61-8-8240-2244
EUROPE
52
AUSTRALIA