srf minimum (mhz) part number inductance ( h) 10% q minimum test frequency (mhz) dc resistance maximum (ohms) current rating maximum (ma) incremental current (ma) * series 4307 molded shielded rf coils 35 33 30 27 25 22 20 19 17 16 15 14 13 12 10 9 8 7.5 115 110 105 99 83 80 67 63 56 54 52 49 46 45 41 33 31 29 22.1 26.5 29.9 33.8 47.3 53.0 73.8 81.6 98.9 111.0 119.0 137.0 143.0 157.0 225.0 274.0 308.0 343.0 3.00 2.80 2.60 2.40 2.20 2.00 1.90 1.70 1.60 1.40 1.20 1.00 0.80 0.60 0.55 0.50 0.40 0.40 0.250 0.250 0.250 0.250 0.250 0.250 0.250 0.250 0.250 0.250 0.250 0.250 0.079 0.079 0.079 0.079 0.079 0.079 50 50 50 50 50 50 50 50 50 50 50 50 30 30 30 27 27 27 1200 1500 1800 2200 2700 3300 3900 4700 5600 6800 8200 10000 12000 15000 18000 22000 27000 33000 test methods mil-prf-15305 test methods only. ms75089-24 to ms75089-40, reference; ms90537-50 to ms90537-66, reference. mechanical con?uration units are axial leaded, encapsulated in an epoxy molded case. core and sleeve are both of ferrite material. physical parameters inches millimeters length 0.427 to 0.447 10.85 to 11.35 diameter 0.177 to 0.197 4.496 to 5.004 lead size awg #22 tcw 0.023 to 0.027 0.584 to 0.686 lead length 1.320 to 1.560 33.53 to 39.62 current rating at 90? ambient 35? rise operating temperature ?55? to +125? power dissipation at 90? 0.385 w coupling 3% max. marking parts are printed with delevan, inductance value/tolerance, and lot/date code. optional color banding is available; when required, suffix part number with the letter ?? * note incremental current is the d.c. current required to decrease the inductance a maximum of 5%. packaging tape & reel: 12" reel, 2500 pieces max.; 14" reel, 3000 pieces max. for additional packaging options, see page 114. made in the u.s.a. series 4307 ferrite core and sleeve 4307-125k 4307-155k 4307-185k 4307-225k 4307-275k 4307-335k 4307-395k 4307-475k 4307-565k 4307-685k 4307-825k 4307-106k 4307-126k 4307-156k 4307-186k 4307-226k 4307-276k 4307-336k optional tolerances: j = 5% h = 3% page 50 www . delevan . com e-mail: apisales@delevan . com 270 quaker rd., east aurora ny 14052 ? phone 716-652-3600 ? fax 716-652-4814 rf inductors
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