Transistor

BC547B Transistor – 45V, 500mA, Amplifier ( Datasheet PDF )

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This is one of the transistor types.

Part Number: BC547B

Function: 45V, 500mA, NPN Transistor

Package: SOT54, TO-92 Type

Manufacturer: Fairchild, Philips Semiconductors, NXP

See the preview image and the PDF file for more information.

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BC547B transistor

Description

The BC547B is NPN general-purpose transistors in small plastic packages.

This device is designed for use as general purpose amplifiers and switches requiring collector currents to 300 mA.

Features

1. Low current
2. Low voltage
3. Three different gain selections

Applications

1. General-purpose switching and amplification

 

Pinout

BC547B pinout

 

Absolute Maximum Ratings (Ta = 25°C)

1. Collector-Emitter Voltage : VCEO = 45 V
2. Collector-Base Voltage : VCES = 50 V
3. Emitter-Base Voltage : VEBO = 6.0 V
4. Collector Current – Continuous : IC = 500 mA
5. Operating and Storage Junction Temperature Range : TJ, Tstg = -55 to +150 °C

 

BC547B Transistor Datasheet

BC547B pdf


 

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MG90S Datasheet – Micro Servo Motor

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This is one of the Servo Motor types.

Part Number: MG90S

Function: Metal Micro Servo Motor with one bearing

Package: Module Type

See the preview image and the MG90S Datasheet PDF file for more information.

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MG90S motor wiring diagram

MG90S Pinout

1. Brown : Ground wire connected to the ground of system

2. Red : Powers the motor typically +5V is used

3. Orange : PWM signal is given in through this wire to drive the motor

Description

Tiny and lightweight with high output power, this tiny servo is perfect for RC Airplane,
Helicopter, Quadcopter or Robot. This servo has metal gears for added strength and durability.

 

Features

1. Weight: 13.4 g
2. Dimension: 22.5 x 12 x 35.5
3. Stall torque: 1.8 kgf·cm (4.8V )
4. Operating speed: 0.1 s/60 degree
5. Operating voltage: 4.8 V –
6. Dead band width: 5 µs

Applications

1. Used as actuators in many robots like Biped Robot, Hexapod, robotic arm etc..
2. Commonly used for steering system in RC toys
3. Robots where position control is required without feedback
4. Less weight hence used in multi DOF robots like humanoid robots

Reference video

1. Servo Wars: SG90 vs MG90S – YouTube

 

MG90S Transistor

MG90S transistor pdf


SG90 vs MG90S

Similar features and reference parts


 

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