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FlashHobby FH-2502 micro servo with black housing, white output shaft and attached wiresFlashHobby FH-2502 micro servo with black housing, white output shaft and attached wires

FlashHobby FH-2502

The Flash Hobby FH-2502 Micro Servo features a coreless motor, plastic gears and a nylon-plus-fiber case. Measuring 16 x 8.2 x 16.5 mm, it combines digital control with 1520us pulse width modulation, 120° ± 10° operating travel and a 110mm connector wire.

FlashHobbyDrone frame
Dimensions
16 x 8.2 x 16.5 mm
Weight
2 g

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Product overview

The Flash Hobby FH-2502 Micro Servo combines a coreless motor, plastic gears and a nylon-plus-fiber case in a body measuring 16 x 8.2 x 16.5 mm. It uses an IC motor drive, a potentiometer and digital control, with 1520us pulse width modulation control and a pulse travel range of 800→2200 μsec. Operating travel is 120° ± 10°, with a limit angle of 180°± 10°. The servo has no ball bearing.

The FH-2502 has a 110mm connector wire, with JST1.25mm, JST1.0mm or JR connector options. Its operating temperature range is -10C°~ +50C°, and its service life is 6000 cycles. No-load speed is 0.07±0.01 sec/60° at 3.7V and 0.06±0.01 sec/60° at 4.2V. Idle current is 60mA at 3.7V and 70mA at 4.2V; running current under load is 210mA and 310mA, respectively. Dead band width is 5 usec at both test voltages.

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Specifications

FlashHobby FH-2502 specifications
SpecificationValue & conditions
ProductFlash Hobby FH-2502 Micro Servo
Dimensions16 x 8.2 x 16.5 mm
Weight2gExcluding wire.
Weight without servo horn2.2± 0.2gWithout servo horn.
Speed0.08 sec/60At 4.8V.
Torque0.2 kg-cmAt 4.8V.
Speed at 3.7V0.07±0.01 sec/60°At 3.7V; no load.
Speed at 4.2V0.06±0.01 sec/60°At 4.2V; no load.
Motor typeCoreless motor
Gear materialPlastic
Connector optionsJST1.25mm; JST1.0mm or JR
Connector wire length110mm
Control system1520us pulse width modulation control
Operating temperature-10C°~ +50C°
Service life6000 cycles
Operating travel120° ± 10°
Limit angle180°± 10°
Pulse travel800→2200 μsec
Motor driveIC drive
Potentiometer typePotentiometer
Amplifier typeDigital control
Idle current at 3.7V60mAAt 3.7V.
Idle current at 4.2V70mAAt 4.2V.
Running current at 3.7V210mAAt 3.7V; under load.
Running current at 4.2V310mAAt 4.2V; under load.
Dead band width5 usecAt 3.7V and 4.2V.
Ball bearingNo
Case materialNylon plus fiber
Connector wire gauge32 PVC
Power wire identificationBrown: negative; red: positive

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