Chokes
Cylindrical Coil Forms
1537
High current R.F. chokes on cylindrical coil forms with axial leads.
• 1537 is ideally suited for filtering in
Switch Mode Power Supplies.
• Overall coil length, 1.25”.
• Lead length, 1.5” long.
• Shrink sleeve as outer cover for
mechanical protection and electrical
insulation.
• Optimum frequency range,
10 KHZ to 2 MHz.
• Other values are available
upon request.
MECHANICAL
ELECTRICAL SPECIFICATION
Part No.
1537 E
1537 F
1537 G
1537 H
1537 J
1537 K
1537 L
1537 M
1537 N
1537 P
1537 R
15367 91/02/25
Inductance
Tol. æ 5%
10
µH
20
µH
30
µH
40
µH
50
µH
75
µH
100
µH
250
µH
500
µH
750
µH
1000
µH
Q
Min.
4.5
6.5
5.3
5.2
3.4
3.2
10.5
12.0
11.6
10.0
7.4
Test
Freq.
1 KHz
1 KHz
1 KHz
1 KHz
1 KHz
1 KHz
1 KHz
1 KHz
1 KHz
1 KHz
1 KHz
DCR
Max.
0.006
Ω
0.013
Ω
0.024
Ω
0.039
Ω
0.064
Ω
0.128
Ω
0.050
Ω
0.114
Ω
0.260
Ω
0.465
Ω
0.830
Ω
Rated
Current Max.
20.0 A
12.5 A
8.0 A
5.0 A
3.2 A
2.0 A
8.0 A
5.0 A
3.2 A
2.0 A
1.2 A
Outside
Dia. (D) Inch
0.63
0.60
0.58
0.57
0.56
0.54
0.71
0.69
0.65
0.61
0.59
Length (L)
Inch
1.25
1.25
1.25
1.25
1.25
1.25
1.25
1.25
1.25
1.25
1.25
Lead Dia.
Gauge
14
16
18
20
20
20
18
20
20
20
20
ISSUE A
An ISO 9001 Registered Company
229 Colonnade Road, Nepean, Ontario, Canada K2E 7K3
Tel: (613) 226-1626 Fax: (613) 226-7124 www.filtran.com
FILTRAN [ FILTRAN LTD ]
