在500毫安，NPN达林顿输出的积分瞬态抑制二极管，是适合于继电器，螺线管和其他感性负载使用。
The 500 mA, NPN Darlington outputs, with integral transient-suppression diodes, are suitable for use with relays, solenoids, and other inductive loads.
提出一种采用模拟乘法器和模拟积分器作为基本元件构成功率方向继电器的方案。
A project to design a power direction relay, which is based on an analog multiplier and an analog integrator, is presented in this paper.
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