This is the Futaba PS-01RS5.0 Step Down Regulator.
Allows the use of a 4.8V servo with a high-voltage (HV) 2.4GHz radio
Steps servo power down to 5V
One year limited warranty through Hobby Services beginning at date
Futaba PS-01RS5.0 Step Down Regulator with Connectors and Instruction
Installing between servo and HV compatible receiver or gyro (see
Main Application: 4.8V rudder servos Input Voltage Range: 6.0 - 8.5V Output Voltage: 5.0V Rated Output Current: 1.0A (momentary maximum 5.0A) Operating Temperature Range: -10 - +45C Storage Temperature Range: -20 - +60C Dimensions: 0.95 x 0.31 x 0.33" (24.2 x 7.8 x 8.3mm) Weight: 0.18oz (5.2g)
Do not connect between battery and receiver. The receiver may operate
erroneously due to insufficient capacity and fail to control the
Cannot be used with a Y-harness to supply power to multiple servos.
– If you need more information, use these Futaba resources –
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