2/5/2020 Audio Open Frame (142 Series) - Hammond Mfg. Quality Products. Service Excellence. Audio Open Frame 142 Series PC Board Mount Features Applications: Driver, Input, Interstage, Isolation 100mW power level at 200Hz. - 15kHz Pin type (0.0375 x .02 ), P.C. board mount. Economical, open type construction. Frequency response 200 Hz. - 15 Khz. (+/- 1 db, ref. 1 Khz.). Total distortion less than 0.5% for outputs at 200 Hz., decreasing at higher frequencies. Insertion loss less than 1/2 db. Bifilar wound for balanced capacitive and resistance characteristics, on pin bobbins for standard 0.187 grid pin spacing. Insulation test 1500V rms. Net weight: 0.5 oz. Notes: 1)The current figure is for maximum unbalanced current. 2) D.C. resistance shown is for the total primary or secondary windings. Max. Primary D.C. Resistance Nominal Impedance D.C. current (Ohms) +/- 15% (Ohms) (ma.) (See Note 2) Part No. Primary Secondary (See Note 1) Primary Secondary 142A 10K C.T. 10K C.T. 4 720 925 142B 10K C.T. 2K C.T. 4 720 210 142C 15K C.T. 15K C.T. 4 1020 1390 142D 600 C.T. 600 C.T. 15 44 58 Data subject to change without notice 2020. Hammond Manufacturing Ltd. All rights reserved. 2/5/2020 Audio Open Frame (142 Series) - Hammond Mfg.