1537M

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