Voltage-regulator tube

（重定向自VR tube）

A voltage-regulator tube (VR tube) is an electronic component used as a shunt regulator to hold a voltage constant at a pre-determined level.

Physically, these devices resemble vacuum tubes, but there are two main differences:

Electrically, these devices resemble Zener diodes, with the following major differences:

单词	VR tube
释义	VR tube 英语百科 Voltage-regulator tube （重定向自VR tube） A voltage-regulator tube (VR tube) is an electronic component used as a shunt regulator to hold a voltage constant at a pre-determined level. Physically, these devices resemble vacuum tubes, but there are two main differences: Electrically, these devices resemble Zener diodes, with the following major differences:
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