R
ANSI/IEEE resistor symbol
IEEE-oriented graphical reference for resistor, with public vendor evidence and drawing-reading notes.
IEEE / ANSI
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Electronic components
Passive components, semiconductor devices and electronic elements used in power conversion, sensing and control schematics. Explore 55 references, with original explanations and public primary sources.
R VAR
ANSI/IEEE variable resistor symbol
IEEE-oriented graphical reference for variable resistor, with public vendor evidence and drawing-reading notes.
IEEE / ANSI
POT
ANSI/IEEE potentiometer symbol
IEEE-oriented graphical reference for potentiometer, with public vendor evidence and drawing-reading notes.
IEEE / ANSI
LDR
ANSI/IEEE light-dependent resistor symbol
IEEE-oriented graphical reference for light-dependent resistor, with public vendor evidence and drawing-reading notes.
IEEE / ANSI
VDR
ANSI/IEEE varistor symbol
IEEE-oriented graphical reference for varistor, with public vendor evidence and drawing-reading notes.
IEEE / ANSI
SHUNT
ANSI/IEEE current-measuring shunt symbol
IEEE-oriented graphical reference for current-measuring shunt, with public vendor evidence and drawing-reading notes.
IEEE / ANSI
C
ANSI/IEEE capacitor symbol
IEEE-oriented graphical reference for capacitor, with public vendor evidence and drawing-reading notes.
IEEE / ANSI
C ELEC
ANSI/IEEE electrolytic capacitor symbol
IEEE-oriented graphical reference for electrolytic capacitor, with public vendor evidence and drawing-reading notes.
IEEE / ANSI
C FEED
ANSI/IEEE feedthrough capacitor symbol
IEEE-oriented graphical reference for feedthrough capacitor, with public vendor evidence and drawing-reading notes.
IEEE / ANSI
C ADJ
ANSI/IEEE adjustable capacitor symbol
IEEE-oriented graphical reference for adjustable capacitor, with public vendor evidence and drawing-reading notes.
IEEE / ANSI
D
ANSI/IEEE diode symbol
IEEE-oriented graphical reference for diode, with public vendor evidence and drawing-reading notes.
IEEE / ANSI
PD
ANSI/IEEE photodiode symbol
IEEE-oriented graphical reference for photodiode, with public vendor evidence and drawing-reading notes.
IEEE / ANSI
ZD
ANSI/IEEE zener diode symbol
IEEE-oriented graphical reference for zener diode, with public vendor evidence and drawing-reading notes.
IEEE / ANSI
BR 1PH
ANSI/IEEE single-phase bridge rectifier symbol
IEEE-oriented graphical reference for single-phase bridge rectifier, with public vendor evidence and drawing-reading notes.
IEEE / ANSI
SCR
ANSI/IEEE silicon-controlled rectifier symbol
IEEE-oriented graphical reference for silicon-controlled rectifier, with public vendor evidence and drawing-reading notes.
IEEE / ANSI
TRIAC
ANSI/IEEE triac symbol
IEEE-oriented graphical reference for triac, with public vendor evidence and drawing-reading notes.
IEEE / ANSI
HVR1R5
Resistor with disconnecting slider
This form distinguishes a movable resistor contact with a disconnecting position.
IEC
HVR1R8
Carbon-disc variable resistor
This representation identifies the publisher's carbon-disc variable-resistance form.
IEC
HVR1S00689
Magnetoresistive element
This representation identifies a resistive element whose response is associated with a magnetic field.
IEC
HCA1_S00573
Differential capacitor
This representation distinguishes a differential capacitive arrangement with related variable capacitances.
IEC
HCA1_S00575
Preset-adjustable capacitor
This form distinguishes a capacitor with a preset or trim adjustment.
IEC
HCA1_S00579
Split adjustable capacitor
This representation distinguishes the publisher's split and adjustable capacitor form.
IEC
SBD
Schottky diode
A metal-semiconductor diode used for rectification or clamping with device-specific forward and reverse characteristics.
Schematic
TVS
Unidirectional TVS diode
A transient-suppression diode intended to clamp a documented surge polarity across a protected circuit.
Schematic
LED
Light-emitting diode
A semiconductor diode that emits light when operated with the appropriate forward current.
Schematic
VAR
Varactor diode
A reverse-biased diode whose junction capacitance is used as a voltage-controlled circuit element.
Schematic
PIN
PIN diode
A diode structure used in applications such as RF switching or attenuation with a documented bias circuit.
Schematic
NPN
NPN bipolar transistor
A bipolar transistor with base, collector and emitter terminals arranged for NPN operation.
Schematic
PNP
PNP bipolar transistor
A bipolar transistor with base, collector and emitter terminals arranged for PNP operation.
Schematic
NPN-DAR
NPN Darlington transistor
Two NPN transistor stages connected as a Darlington pair to provide a combined current-amplifying device.
Schematic
PNP-DAR
PNP Darlington transistor
Two PNP transistor stages connected as a compound current-amplifying device.
Schematic
N-JFET
N-channel JFET
A junction field-effect transistor using an N-type channel controlled through a gate junction.
Schematic
P-JFET
P-channel JFET
A junction field-effect transistor using a P-type channel and the corresponding gate-bias polarity.
Schematic
N-MOS
N-channel enhancement MOSFET
An insulated-gate transistor whose N-channel conduction is enabled by the documented gate-to-source drive.
Schematic
P-MOS
P-channel enhancement MOSFET
An insulated-gate transistor using a P-channel and the corresponding gate-to-source drive polarity.
Schematic
N-DMOS
N-channel depletion MOSFET
An N-channel insulated-gate device that conducts at zero gate-to-source voltage according to its device characteristics.
Schematic
IGBT
Insulated-gate bipolar transistor
A power transistor combining insulated-gate control with a bipolar collector-emitter conduction structure.
Schematic
BODY-D
MOSFET body diode
The intrinsic diode associated with a MOSFET's semiconductor structure, often shown within the device reference.
Schematic
E-HEMT
GaN enhancement-mode HEMT
A normally-off gallium-nitride high-electron-mobility transistor used as a controlled power switch.
Schematic
IGCT
Integrated gate-commutated thyristor
A high-power thyristor device operated with an integrated gate-unit arrangement for controlled switching.
Schematic
PHOTO-NPN
NPN phototransistor
An NPN transistor whose collector-emitter conduction responds to incident light in the documented detector arrangement.
Schematic
OPTO-TR
Phototransistor optocoupler
An optical isolation component using an input light emitter and a transistor output on the isolated side.
Schematic
OPTO-PD
Photodiode optocoupler
An optically coupled component using photodiode output sensing for an isolation or feedback arrangement.
Schematic
OPTO-TRIAC
Phototriac optocoupler
An optical isolation device whose output is a light-triggered triac-type switching element.
Schematic
PV-DRV
Photovoltaic MOSFET driver
An optical component producing an isolated photovoltaic output used to drive a MOSFET gate circuit.
Schematic
DIG-ISO
Capacitive digital isolator
Transfers digital information between separately referenced electrical domains through a capacitive isolation structure.
Schematic
ISO-GD
Isolated gate driver
Transfers a switching command across an isolation barrier and drives a power-transistor gate circuit.
Schematic
LS-GD
Low-side gate driver
Provides gate-drive current for a power switch referenced to the driver's low-side return.
Schematic
HS-GD
High-side gate driver
Drives a high-side power transistor with the output circuit referenced to its switching node.
Schematic
BOOT
Bootstrap gate-drive supply
A diode-capacitor arrangement used to supply a floating high-side gate-driver circuit under documented switching conditions.
Schematic
IDEAL-D
Ideal-diode controller
Controls an external transistor to obtain the documented low-loss directional or reverse-blocking power path.
Schematic
HOT-SWAP
Hot-swap controller
Controls a power path during equipment insertion or power-up to manage the documented inrush sequence.
Schematic
EFUSE
Electronic fuse IC
An integrated semiconductor power-path device providing the selected current-limiting and protection functions.
Schematic
HB-MOD
Half-bridge power module
A packaged power-switch arrangement forming one half-bridge switching leg.
Schematic
6-PACK
Three-phase sixpack power module
A power module containing three switching legs for a three-phase bridge arrangement.
Schematic