Index

Basic electronics components list

2N2222 - General purpose Si-NPN transistor 60..75V 0.8A 0.5W 250MHz B>100 Rate this link
2N3055 - general purpose power transistor 100V/15A/115W, old type in TO-3 metal case, still useful in linear power supplies Rate this link
2N3904 - General purpose Si-NPN 60V 0.1A 0.625W 250MHz B>100 TO-92 plastic case, look at Rate this link
2N3905 General purpose Si-PNP 40V 0.2A 0.625W 200MHz B>100, TO-92 plastic case, look at Rate this link
2N3906 - General purpose Si-PNP transistor Rate this link
BC327 - General purpose Si-PNP transistor 50V 0.8A 0.625W 100MHz TO-92 plastic case Rate this link
BC337 - General purpose Si-NPN transistor 50V 0.8A 0.625W 100MHz TO-92 plastic case Rate this link
BC547 - General purpose Si-NPN transistor 50V 0.1A 0.5W 300MHz TO-92 plastic case Rate this link
BC557 - General purpose Si-PNP transistor 50V 0.1A 0.5W 150MHz TO-92 plastic case Rate this link
MJ2955 - Complementary Silicon PNP Power Transistor 15A/60V/115W Rate this link
TIP31 NPN Epitaxial Silicon Power Transistor Rate this link
TIP41C Power transistor in TO220 case NPN 6A 100V Rate this link

2N3819 - N-channel JFET (soon to be obsolete), small signal, 25V 10mA 350 mW 400 MHz TO-92 Rate this link
BF245 Rate this link
BF245A - N-channel symmetrical junction field-effect transistor 700 MHz, interchangeability of drain and source connections, suitable for LF, HF and DC amplifiers, TO-92 variant package Rate this link
BS170 N-Channel enhancement mode field effect transistor for low voltage, low current applications (up to 500 mA) Rate this link

1N4007 rectifier diode 1A 1000V Rate this link
1N4148 General purpose silicon diode 0.2A 75V, High Conductance Fast Diode Rate this link

RC5532A Low noise dual operational amplifier - This is a very good for many audio designs. The 5532 has THD down around 0.0003% at normal levels and frequencies. The self noise is no worse than a 10 k ohm resistor. Read also Rate this link
LM741 - general purpose operational amplifier, also known as Rate this link
LM324 Low Power Quad Operational Amplifier - check alse Rate this link
LM358 Rate this link
LM358 Low Power Dual Operational Amplifier Rate this link
LM380 - 2.5W Audio Power Amplifier IC for consumer applications. Amplifier gain is internally fixed at 34 dB. Input stage allows ground referenced input signals and utput automatically self-centers to one-half the supply voltage. The output is short circuit proof with internal thermal limiting. Rate this link
LM386 Low Voltage Audio Power Amplifier. The LM386 is a power amplifier designed for use in low voltage consumer applications. The gain is internally set to 20 to keep external part count low. This amplifier IC can drive 8 ohms speaker nicely with maximum power from 250 mW to 1W depending on operating voltage and IC version. Typical operating voltage range is 6-12V. Rate this link
NE/SA/SE5532/5532A Internally-compensated dual low noise operational amplifier Rate this link
TL072 Low noise dual operational amplifier Rate this link
TL082 Rate this link

KA7805 - 3-Terminal 1A Positive Voltage Regulator for 5V output voltage Rate this link
LM78xx series positive voltage regulators - up to 1A regulator at constant voltages (7805=+5V, 7808=+8V, 7812=+12V, 7815=+15V, 7818=+18V), includes overcurrent and therminal protection, input voltage range from output voltage + 2V to 24V, 7805 voltage regulator IC form this series for 5V output is very useful for Rate this link
LM79xx series voltage regulators for negative voltages - practically same specifications as 78xx series but for negative voltages (7905=-5V, 7908=-8V, 7912=-12V, 7915=-15V, 7818=-18V) Rate this link
L200 - adjustable voltage and current regulator IC 2.9-36V, adjustable overcurrent protection, PENTAWATT case Rate this link
LM 317 three pin variable voltage regulator for 1.2V to 37V and up to 1.5A current Rate this link

MAX220-MAX249 family of line drivers/receivers - intended for all EIA/TIA-232E and V.28/V.24 communications interfaces, particularly applications where ?12V is not available. Rate this link
ULN2803 - 8-bit 50V 500mA TTL compatible input NPN darlington driver. This driver is suitable for loads like lamps, relays printer hammers or other similar loads for a broad range of computer, industrial, and consumer applications. This device featurs open-collector outputs and free wheeling clamp diodes for transient suppression. The ULN2803 is designed to be compatible with standard TTL families. Rate this link
ULN2804 - 8-bit 50V 500mA CMOS/PMOS compatible input NPN darlington driver. This driver is suitable for loads like lamps, relays printer hammers or other similar loads for a broad range of computer, industrial, and consumer applications. This device featurs open-collector outputs and free wheeling clamp diodes for transient suppression. The ULN2804 is optimized for 6 to 15 volt high level CMOS or PMOS. Rate this link

74xx/54xx Family TTL Circuits - drawings of some most commonly used types Rate this link

4N25 optoisolator, CTR=20% (CTR=current transfer ratio), check Rate this link
4N37 optoisolator, CTR=100% Rate this link
6N138 optoisolater with split Darlington output, Vcc = 18 V max., 8 pin DIP, check Rate this link
6N138 optoisolater with split Darlington output, Vcc = 18 V max., 8 pin DIP Rate this link
CNY17 optoisolator, CTR for CNY17-3 is 100%, check Rate this link
MOC3023 optodiac Rate this link

EPROM and EEPROM datasheets - most common types shown Rate this link
LM3914 Dot/Bar Display Drive - The LM3914 is a monolithic integrated circuit that senses analog voltage levels and drives 10 LEDs, providing a linear analog display. A single pin changes the display from a moving dot to a bar graph. Current drive to the LEDs is regulated and programmable, eliminating the need for resistors. Rate this link
LM555 timer chip datasheet - check also Rate this link
LM393 Dual Comparator Rate this link
LM567 tone decoder Rate this link