Components
5,096 components matching “4”
A component is a schematic symbol with, where the catalog has them, its footprint and 3D package model — linked by KiCad's own references and cross-checked pin by pin.
MCP73811T-420I-OT
Battery_Management
Simple, Miniature Single-Cell, Fully Integrated Li-Ion / Li-Polymer Charge Management Controllers, 85mA/450mA, 4.2V, SOT23-5
- Pins
- 5
- Pads
- 5
- SMD
- 4.1×3.4
1N5401
Diode
100V 3A General Purpose Rectifier Diode, DO-201AD
- Pins
- 2
- Pads
- 2
- THT
- 18.9×5.7
BAT54CW
Diode
Dual schottky barrier diode, common cathode, SOT-323
- Pins
- 3
- Pads
- 3
- SMD
- 2.9×2.2
NHD-0420H1Z
Display_Character
LCD 20x4 Alphanumeric 16pin Blue/White/Green Backlight, 8bit parallel, 3.3V VDD
- Pins
- 16
- Pads
- 16
- THT
- 79.5×36.5
ACPL-214-500E
Isolator
AC/DC Phototransistor Optocoupler, Vce 80V, CTR 20-400%, SOP-4
- Pins
- 4
- Pads
- 4
- SMD
- 8.5×3.1
STM32F042F6Px
MCU_ST_STM32F0
STMicroelectronics Arm Cortex-M0 MCU, 32KB flash, 6KB RAM, 48 MHz, 2.0-3.6V, 16 GPIO, TSSOP20
- Pins
- 20
- Pads
- 20
- SMD
- 7.7×7.0
STM32F401RETx
MCU_ST_STM32F4
STMicroelectronics Arm Cortex-M4 MCU, 512KB flash, 96KB RAM, 84 MHz, 1.7-3.6V, 50 GPIO, LQFP64
- Pins
- 64
- Pads
- 64
- SMD
- 13.4×13.4
STM32F411RETx
MCU_ST_STM32F4
STMicroelectronics Arm Cortex-M4 MCU, 512KB flash, 128KB RAM, 100 MHz, 1.7-3.6V, 50 GPIO, LQFP64
- Pins
- 64
- Pads
- 64
- SMD
- 13.4×13.4
SiP32431DR3
Power_Management
10 pA, Ultra Low Leakage and Quiescent Current, Load Switch with Reverse Blocking, High Enable, SC-70-6
- Pins
- 6
- Pads
- 6
- SMD
- 2.9×2.2
AP2204R-3.3
Regulator_Linear
150mA low dropout linear regulator, wide input voltage range, 3.3V fixed positive output, SOT-89-3 package
- Pins
- 3
- Pads
- 3
- SMD
- 5.1×5.0
LMR51430
Regulator_Switching
4.5-V to 36-V, 3-A synchronous buck converter with 40-µA IQ, SOT-23-6
- Pins
- 6
- Pads
- 6
- SMD
- 4.1×3.4
MC34063AP
Regulator_Switching
1.5A, step-up/down/inverting switching regulator, 3-40V Vin, 100kHz, DIP-8
- Pins
- 8
- Pads
- 8
- THT
- 9.7×10.7
TLV61046ADB
Regulator_Switching
28-V Output Voltage Boost Converter with Power Diode and Isolation Switch, SOT-23-6
- Pins
- 6
- Pads
- 6
- SMD
- 4.1×3.4
XL4015
Regulator_Switching
5A 180kHz 36V Buck DC to DC Converter
- Pins
- 5
- Pads
- 5
- SMD
- 16.6×11.3
RT314A05
Relay
Schrack RT1 relay, bistable single pole dual throw, single DC coil, 5V
- Pins
- 5
- Pads
- 5
- THT
- 29.9×13.6
TEPT4400
Sensor_Optical
Ambient Light Sensor, NPN Epitaxial Planar Phototransistor, T-1
- Pins
- 2
- Pads
- 2
- THT
- 4.8×4.4
2SC4213
Transistor_BJT
0.3A Ic, 20V Vce, NPN Transistor, For Muting and Switching, SOT-323
- Pins
- 3
- Pads
- 3
- SMD
- 2.9×2.2
BC549
Transistor_BJT
0.1A Ic, 30V Vce, Small Signal NPN Transistor, TO-92
- Pins
- 3
- Pads
- 3
- THT
- 5.5×4.7
MMBTA42
Transistor_BJT
0.5A Ic, 300V Vce, NPN High Voltage Transistor, SOT-23
- Pins
- 3
- Pads
- 3
- SMD
- 3.9×3.4
TIP42C
Transistor_BJT
-6A Ic, -100V Vce, Power PNP Transistor, TO-220
- Pins
- 3
- Pads
- 3
- THT
- 10.5×4.9
IRG4PF50W
Transistor_IGBT
28A, 900V, N-Channel IGBT
- Pins
- 3
- Pads
- 3
- THT
- 16.4×5.5
1N4005
Diode
600V 1A General Purpose Rectifier Diode, DO-41
- Pins
- 2
- Pads
- 2
- THT
- 12.9×3.2
1N4151
Diode
75V 0.5A standard switching diode, DO-35
- Pins
- 2
- Pads
- 2
- THT
- 9.7×2.5
SB140
Diode
40V 1A Schottky Barrier Rectifier Diode, DO-41
- Pins
- 2
- Pads
- 2
- THT
- 12.9×3.2