hammond mfg. co. ltd., el ectronics division www.hammondmfg.com 107P miniature epoxy potted audio transformer audio input, line matching and output transformers epoxy potted in an attractive molded case, pin type, p.c. board mount, (min. 0.187? length) rugged epoxy potted construction produces a completely seal ed unit withstanding severe environmental conditions. in some models where no center tap is present (on the secondary), pin 5 is omitted. secondary may be used as primary and primary as secondary. will withstand soldering for 10 sec. @ 260 degrees c, ambie nt temp. 85 degrees c max. power level: 150mw @ 150 hz. to 50 khz. - freq. range @ +0 dbm is 150 hz. to 80 khz. +/ - 1.5db - freq. range @ +10 dbm is 150 hz. to 80 khz. +/ - 1.5db - freq. range @ +20 dbm is 150 hz. to 80 khz. +/ - 1.5db - freq. measurements wit h no d.c. saturation. electrical specifications characteristic typical input impedance 10000 ? ct output impedance 1500 ? ct output power 0.150 watts dcr primary 1 - 3 700 ? (400 ? /300 ? ) secondary 4 - 6 122 ? (61 ? /61 ? ) inductance @ 1.0 khz, 1.0 v oc primary 14.5 hy secondary 2.45 hy impedance @ 1.0 khz, 1.0 v oc primary 57.3 k ? secondary 9.40 k ? frequency response 1.5db from 300hz to 50khz turns ratio 2.58:1 dielectric strength 100 vrms temperature range - 40 to 105 c** 107P made in 1 2 3 4 5 6 canada primary secondary schematic diagram 1 2 3 6 4 1500 ? 10000 ? ct 5 ct pcb layout 107P canada 1 2 3 4 5 6
typical test circuit measurement instruments hp4192a impedance analyzer hp3456a dvm keithley 2002 dvm d scope series iii audio analyzer ** the epoxy that is used to cast these parts has a w orkable temperature range of ? 40 c to +105c under a normal rate of change, this does not include thermal shock. variations in the transformer materials and environmental conditions may reduce the workable temperature range. this drawing and the informati on in it is the property of hammond manufacturing. it may not be reproduced, transmitted or used in any manner whatsoever wit hout the written permission of hammond manufacturing. data subject to change without notice. primary secondary r l r s / 2 r s / 2 out
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