124D

Hammond Mfg. Co. Ltd., Electronics Division www.hammondmfg.com 124D TUBE DRIVER - INTERSTAGE TRANSFORMER This transformer operates in the 150 Hz to 15 KHz range. Designed for general purpose or replacement use in single ended or phase inverter tube driver circuits Open style, 2 point mount with minimum 5” long leads Core material Grain Oriented Silicone Steel laminations ELECTRICAL SPECIFICATIONS Characteristic Input Impedance Output Impedance Output Power DCR Primary BLU – RED RED – BRN Secondary GRN – BLK BLK – GRN Inductance Primary Secondary Typical 7,000 ΩCT 15,800 ΩCT 5.0 Watts 297 Ω 394 Ω @ 1.0 kHz, 1.0 V OC 6.45 H 14.4 H Leakage Inductance 0.125 H Impedance Primary Secondary @ 1.0 kHz, 1.0 V OC 40.5 KΩ 90.25 KΩ Frequency Response Turns ratio ±1db from 150Hz to 15Hz 1:1.49 Dielectric Strength 500 Vrms 218 Ω 236 Ω 124D 5W 150Hz - 15kHz BRN - RED - BLU: 7000Ω CT GRN - BLK - GRN: 15800 Ω CT MADE IN CANADA SCHEMATIC DIAGRAM PRIMARY BROWN 7000 Ω CT RED BLUE SECONDARY GREEN 15800 Ω CT BLACK GREEN TYPICAL TEST CIRCUIT PRIMARY R S/ SECONDARY 2 RL Measurement instruments Hp4192a impedance analyzer Hp3456a DVM Keithley 2002 DVM D scope series iii audio analyzer R S/ OUT 2 This drawing and the information in it is the property of Hammond Manufacturing. It may not be reproduced, transmitted or used in any manner whatsoever without the written permission of Hammond Manufacturing. Data subject to change without notice.