Editorial Review 2017-June-18 upgrade to Version 1.3 This is "resistance substitution box" good low-cost alternative solution, can flexible and quick setting resistance range from 1R to 9999999R, step accuracy 1R. for educational experiments, electronic engineering design or test trimming are excellent applications. Features: Design based on "resistors series" theorem. 1/4 watt tolerance +/-1% 1206 SMD resistors. 4mm banana sockets with plugs, easy to connect wires. High quality FR4 glass fiber PCB. With spare parts 20 pieces jumper caps. Programmable Resistance: 0 to 9,999,999 ohm, 1 ohm per step. Resistance Tolerance: +/-1% Rated Power: 1/4 Watt. Max. Working Voltage: 250V. PCB Size: 89.6 x 64.2mm / 3.53" x 2.53" Specification: audiowind/new-pdf/e-100c.pdf, No paper specifications, please download this document.
Features 1) Design based on "resistors series" theorem. 2) 1/4 watt tolerance +/-1% 1206 SMD resistors. 3) 4mm banana sockets with plugs, easy to connect wires. 4) High quality FR4 glass fiber PCB. 5) With spare parts 20 pieces jumper caps.