Text Box: Leaded Components Common passsive components ( Low Power) TITLE UNIT MEASUREMENT SYMBOL VALUE RANGE SIZE RATING VIEW Circuit Symbol RESISTOR R (Ω) milliohm Ohm kilo Ohm mega Ohm mΩ Ω kΩ MΩ 0.001 Ω 1 Ω 1,000 Ω 1,000,000 Ω 0.2 to 2 Watt VARIABLE RESISTOR VR (Ω) Ohm kilo Ohm Mega Ohm Ω kΩ MΩ 1 Ω 1,000 Ω 1,000,000 Ω 0.2 to 1 Watt Trimpot Potentiometer CAPACITOR C (μF) pico farad nano farad micro farad milli farad Farad pF nF uF mF F 1 exp -12 F 1 exp -9 F 0.000001 F 0.001 F 1 F 25 to 2500 Volt ELECTROLYTIC CAPACITOR C (μF) POLARISED micro farad milli farad Farad uF mF F 0.000001 F 0.001 F 1 F 25 to 800 Volt + DIODE D POLARISED Current Voltage I (Amp) V (Volt) 0.2 to 6 Amp 50 to 2000 V 0.5-0.6 V Fwd 0.2 to 1 Watt K A K A SCHOTTKY DIODE D POLARISED Current Voltage I (Amp) V (Volt) 0.2 to 6 Amp 50 to 200 V 0.2-0.4 V Fwd 0.2 to 1 Watt K A K A

Text Box: Leaded Components Common passive components ( Low Power) TITLE UNIT MEASUREMENT SYMBOL VALUE RANGE SIZE RATING VIEW Circuit Symbol ZENER DIODE ZD (V) POLARISED Voltage Current V (Volt) I (Amp) 50 to 2000 V 0.2 to 6 Amp 0.2 to 3 Watt K A K A TANSIENT VOLTAGE SUPPRESSOR TVS (V) Voltage Power V (Volt) W (Watt) 2V to 200 V 300 to 1k W Impulse rating 300W to 1k W Unidirectional Bidirectional POLARISED VARISTOR VDR (V) TANSIENT SUPPRESSOR Voltage Energy V (Volt) J (joule) 2V to 200 V 0.8 – 300J Transient Energy 10/10,000μS Diameter Ø9mm Ø12mm Ø20mm INDUCTOR L (μH) nano Henry micro Henry milli Henry Henry nH uH mH H 1 exp -9 H 0.000001 H 0.001 H 1 H 0.01 A to 200 A (Amps) Air Core Iron Core LIGHT EMITTING DIODE LED POLARISED Current (milliAmp) Intensity (milliCandela) Colour Wave Length (nanometer) mA mcd λ nm 5 – 30mA 3mcd – 15cd Blue, Green Yellow, Orange, Red & White (430-660nm) Infrared - IR (800-950nm) Diameter Ø3mm Ø5mm Ø10mm 50mA peak INDICATOR BULB Watt Voltage W V 0.2 – 100W 1.5 – 230V MES MBC

 

  

Text Box: Leaded Components Common Sensor components ( Low Power) TITLE UNIT MEASUREMENT SYMBOL VALUE RANGE SIZE RATING VIEW Circuit Symbol LGHT DEPENDANT RESISTOR LDR LIGHT Low Resistance DARK High Resistance Ω kΩ MΩ Light – Dark 5kΩ - 15MΩ 300Ω - 200kΩ Diameter Ø4mm Ø10mm THERMAL SENSOR NTC NEGATIVE TEMPERATURE COEFFICIENT HOT Low Resistance COLD High Resistance Ω - kΩ Room Temperature Resisance 1kΩ - 10kΩ 20kΩ - 100kΩ Thermal measurement Diameter Ø2mm Ø4mm Ø10mm Stud THERMAL SENSOR PTC POSITIVE TEMPERATURE COEFFICIENT HOT High Resistance COLD Low Resistance Ω - kΩ mA - A Over-Temperature Protection & Current Limiting Diameter Ø4mm Ø9mm Ø16mm INFRARED RECIVER IRR Current & Voltage Levels uA uV Logic Level Infrared - IR (800-950nm) Modulation Frequency 28 – 100kHz Photodiode Photo-transistor Demodulator Emitter & Detector HALL EFFECT HEF Current & Voltage Levels V Logic Level Proportional Output Logic level switch 3pin Inline CURRENT TRANSFORMER CT Current or Voltage Output mA V Proportional Output -5V to +5V or 0V to 5V Direct Current Transformer DCCT

 

  

Leaded Components    Semiconductor components ( Low Power)

Transistor      Tr   or    Q

Type

( Collector Voltage, Collector Current, Gain hfe )

Junction

Package

View

Circuit Symbol

BC337            ( 45V, 800mA, hfe 100-630 )

BC546            ( 65V, 100mA, hfe 125-500 )

BC547            ( 45V, 100mA, hfe 200-450 )

BC548 / 9      ( 30V, 100mA, hfe 110-800 )

NPN

TO92

TO237

BC307B         ( 45V, 100mA, hfe 180-460 )

BC327            ( 45V, 500mA, hfe 100-600 )

BC556 /B       ( 65V, 100mA, hfe 125-460 )

BC557            ( 45V, 100mA, hfe 110-800 )

PNP

TO92

 

TO237

BC639            ( 80V, 1A, hfe 63-250 )

2N3704          ( 30V, 800mA, hfe 100-300 )

BCU81           ( 10V, 3A, hfe 210 typ )

BCU83           ( 20V, 5A, hfe 100-560 )

NPN

TO92

TO237

BC640            ( 80V, 1A, hfe 63-250 )

TIPP32C        ( 100V, 2A, hfe 20 )

PNP

TO92

 

TO237

ZTX450             ( 45V, 1A, hfe 100 - 300 )

ZTX451             ( 60V, 1A, hfe 50 - 150 )

ZTX453             ( 100V, 1A, hfe 40 - 200 )

ZTX651             ( 60V,   2A, hfe 100 - 300 )

ZTX653             ( 100V, 2A, hfe 100 – 300 )

ZTX690B          ( 45V,   2A, hfe 500 min )

ZTX851            ( 60V,   5A, hfe 100 – 300 )

ZTX853             ( 100V, 4A, hfe 100 – 300 )

NPN

E-LINE

ZTX550             ( 45V,   1A, hfe 100 min )

ZTX551             ( 60V,   1A, hfe 50 - 150 )

ZTX751             ( 60V,   2A, hfe 100 – 300 )

ZTX753             ( 100V, 2A, hfe 100 – 300 )

ZTX951             ( 60V,   4A, hfe 100 – 300 )

ZTX953             ( 100V, 3.5A, hfe 100 – 300 )

PNP

E-LINE

 

 

 

    

Text Box: Leaded Components Semiconductor components VOLTAGE REGULATOR IC Reg TYPE VOUT, VIN MIN, ± TOLERANCE, I MAX. MAXIMUM INPUT VOLTAGE PACKAGE VIEW Circuit Symbol Positive Linear Regulators LM7805CT 5V, 7V, 5%, 1A L7805CV 5V, 7.5V, 7%, 1.5A MC7809CT 9V, 11V, 5%, 1A LM7812CT 12V, 14V, 5%, 1A MC78T12CT 12V, 14.5V, 5%, 3A LM7815CT 15V, 17V, 5%, 1A MC78T15CT 15V, 17.5V, 5%, 3A MC7824CT 24V, 26V, 5%, 1A 35V TO220 Microcontroller IC U PIC Microcontroller chip 12F629 5V DIP8 Electromechanical ELECTRIC MOTOR 3V to 12Vdc Motor M SERVO MOTOR 6Vdc Servo Ser SWITCH Microswitch 0.1 to 20A 6V to 240Vac SW S RELAY 0.5 to 30A 6 to 48V Relay RLY K