1. Passive Components
Resistors
|
Type |
Package |
Tolerance |
Power Rating |
Key Applications |
|
Thick Film |
01005-2512 |
±1% to ±5% |
0.01W-3W |
General purpose circuits |
|
Thin Film |
0201-1206 |
±0.1% to ±1% |
0.1W-1W |
Precision instrumentation |
|
Wirewound |
Axial/TO |
±5% to ±10% |
3W-300W |
Power supplies, braking |
|
Current Sense |
1206-4527 |
±1% |
1W-5W |
Battery management systems |
|
Thermistors |
SMD/Axial |
±1% to ±5% |
0.1W-1W |
Temperature sensing |
Capacitors
|
Type |
Package |
Capacitance |
Voltage |
Key Features |
|
MLCC |
01005-2225 |
0.1pF-100μF |
4V-3kV |
High stability, low ESR |
|
Tantalum |
A/B/C/D |
0.1μF-1000μF |
2.5V-50V |
High volumetric efficiency |
|
Aluminum |
Radial |
1μF-1F |
6.3V-550V |
High ripple current |
|
Film |
Box/SMD |
100pF-100μF |
50V-2kV |
Low loss, audio applications |
|
Supercaps |
Coin/Cyl |
0.1F-500F |
2.5V-5.5V |
Energy storage backup |
Inductors
|
Type |
Package |
Inductance |
Current |
Key Applications |
|
SMD Power |
2520-7878 |
0.1μH-1mH |
0.5A-60A |
DC-DC converters |
|
RF Chokes |
0402-1812 |
1nH-10μH |
100mA-2A |
EMI suppression |
|
Toroidal |
Through-hole |
10μH-100mH |
0.1A-20A |
Power filtering |
|
Common Mode |
SMD/TH |
1mH-1H |
0.1A-10A |
Signal isolation |
2. Active Components
Signal Processing & Control
Diodes
| Type | Package | Voltage | Current | Switching Speed |
|---|---|---|---|---|
| Schottky | SOD-123/SMA | 15V-200V | 1A-30A | <10ns |
| Zener | SOT-23/SOD | 1.8V-200V | 0.5W-5W | – |
| TVS | SMB/DO | 5V-400V | 0.5A-30kA | <1ps |
| LED | 0402-5050 | 1.8V-3.6V | 20mA-1A | – |
Transistors
| Type | Package | Voltage | Current | Gain/Freq |
|---|---|---|---|---|
| BJT | SOT-23/TO | 30V-500V | 100mA-15A | hFE: 50-300 |
| MOSFET | SOT-223/D2PAK | 20V-1000V | 1A-200A | R<sub>DS(on)</sub>: 1mΩ-5Ω |
| IGBT | TO-247/TO-3P | 600V-1700V | 10A-300A | Switching: 10-100kHz |
| Darlington | TO-220/TO-92 | 50V-500V | 0.5A-10A | hFE: 1000-20k |
Integrated Circuits (ICs)
| Category | Example Types | Package | Key Specifications |
|---|---|---|---|
| Microcontrollers | ARM Cortex, PIC, AVR | QFP/TQFP/BGA | 8-32bit, 1-1000MHz |
| Memory | SDRAM, Flash, EEPROM | TSOP/BGA/SOIC | 1Mb-128Gb, 10-100ns |
| Analog | Op-Amps, Comparators | SOIC/SSOP | GBW: 1MHz-5GHz |
| Power Mgmt | LDOs, Buck/Boost | DFN/QFN | 0.5A-30A, 0.8-60V |
| Logic | Gates, Buffers | TSSOP/SSOP | Propagation: 1-10ns |
| Sensors | Temp, Motion, Light | LGA/DFN | Accuracy: ±0.1°C to ±2% |
3. Electromechanical Components
Interface & Control Elements
Connectors
| Type | Pitch | Current | Mating Cycles | Applications |
|---|---|---|---|---|
| Board-to-Board | 0.4-2.0mm | 0.5A-3A | 10-50 | High-density PCBs |
| Wire-to-Board | 2.54-5.08mm | 1A-20A | 10-100 | Consumer electronics |
| I/O | USB/HDMI | 0.5A-5A | 1k-10k | Data transfer |
| RF | SMA/BNC | – | 500 | Wireless systems |
| Power | 5.08-10.16mm | 10A-100A | 50-500 | Industrial equipment |
Switches
| Type | Actuation | Life Cycles | Rating | Applications |
|---|---|---|---|---|
| Tactile | 160-350gf | 100k-1M | 12VDC/50mA | Keypads, controls |
| Toggle | Lever | 10k-100k | 120VAC/10A | Power equipment |
| DIP | Slide | 1k-10k | 24VDC/25mA | Configuration |
| Rotary | Shaft | 5k-50k | 24VAC/0.5A | Instrumentation |
| Reed | Magnetic | 10M+ | 200VDC/1A | Security systems |
Relays
| Type | Coil Voltage | Contact | Switching | Applications |
|---|---|---|---|---|
| Signal | 3-48VDC | SPDT | 2A/30VDC | Test equipment |
| Power | 5-240VAC | DPDT | 10-30A/250VAC | Motor control |
| Solid State | 3-32VDC | SPST | 0.1-100A | Silent switching |
| Reed | 5-24VDC | SPST | 1A/200VDC | Medical devices |
4. RF/Microwave Components
High-Frequency Solutions
| Component | Frequency | Package | Key Parameters |
|---|---|---|---|
| Antennas | 433MHz-60GHz | PCB/IPEX | Gain: 2-8dBi |
| Filters | 100MHz-40GHz | SMD | BW: 1-20% |
| Amplifiers | DC-40GHz | QFN | Gain: 10-30dB |
| Mixers | 500MHz-50GHz | MLP | LO Drive: +7dBm |
| VCOs | 1-20GHz | SMD | Tuning: ±100MHz |
5. Optoelectronics
Light-Based Components
| Component | Wavelength | Package | Key Specifications |
|---|---|---|---|
| LEDs | 365-940nm | 0402-5050 | Luminosity: 10-200lm |
| Photodiodes | 400-1100nm | TO/SMD | Responsivity: 0.5A/W |
| Optocouplers | – | DIP/SMD | CTR: 50-600% |
| Laser Diodes | 405-1550nm | TO | Power: 5-500mW |
| Displays | – | COG/COF | Resolution: 128×64 to 1920×1080 |