Chokes
Cylindrical Coil Forms
1531, 1532
R.F. Chokes on cylindrical coil forms with axial leads.
• 1531 is wound on a 0.75” long phenolic coilform. • 1532 is wound on a 0.87” long powdered iron core. • Single layer windings for lowest winding capacitance. • Impregnated with varnish for moisture protection. • Other values are available upon request. • can be supplied with protective sleeving or encapsulant. • Lead length, 1.5”. • Lead wire gauge, #20.
MECHANICAL
ELECTRICAL SPECIFICATION
Part No. 1531 L 1531 R 1532 A 1532 B 1532 C 1532 D 1532 E 1532 H Nominal Inductance 2.4 µH 10 µH 10 µH 15 µH 24 µH 30 µH 55 µH 100 µH Q Min. 56 36 69 62 65 70 72 107 Test Freq. 7.9 MHz 7.9 MHz 2.5 MHz 2.5 MHz 2.5 MHz 2.5 MHz 2.5 MHz 0.790 MHz Self Res. Freq. Min. 120 MHz 61 MHz 40 MHz 33 MHz 25 MHz 20 MHz 17 MHz 12 MHz DCR Max. 0.19 Ω 1.50 Ω 0.11 Ω 0.17 Ω 0.34 Ω 0.65 Ω 1.00 Ω 3.00 Ω Rated Current Max. 1500 mA 500 mA 1500 mA 1000 mA 800 mA 600 mA 500 mA 400 mA Dia (D) Max. Inch 0.270 0.270 0.290 0.290 0.290 0.290 0.290 0.290 Length (L) ± 0.031 Inch 0.75 0.75 0.87 0.87 0.87 0.87 0.87 0.87
ISSUE A
1531, 1532
91/02/18
An ISO 9001 Registered Company
229 Colonnade Road, Nepean, Ontario, Canada K2E 7K3 Tel: (613) 226-1626 Fax: (613) 226-7124 www.filtran.com
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