Passive Components

1 Pole Definite Purpose Contactor, 20 amp ~ 40 amp

$54.44

SKU: ATO-DPC-1P

High performance 20A definite purpose contactor for sale online. 25 amp, 30 amp and 40 amp DP contactor are available. Coil voltage 24V, 110V/120V, 208V/240V, 277V for selection. 1 pole air conditioner contactor works at 50/60 Hz, designed for the heating, ventilation, air conditioning and refrigeration (HVAC) industry.

1 Pole Residual Current Circuit Breaker, 10A/16A/20A/25A/32A/40A/63A

$48.99

SKU: ATO-RCCB-1P

Purchase 1 pole residual current circuit breaker (RCCB) online at factory price, with overload protection function, optional rated current of 10 amp/16 amp/ 20 amp/ 25 amp/ 32 amp/ 40 amp/ 50 amp/ 60 amp, thin copper part or thick copper part internal material. This RCD residual current device is a safety switch used in electrical systems to protect against earth faults, ensuring personal protection against electric shock and preventing fire hazards caused by insulation failures.

1 Position DIP Switch, 2 Pin, SPST

$9.09

SKU: ATO-DIP-1P

Low price 1 position 1 way DIP switch with 2 pins is an electromechanical device to make manual changes to an electronic circuit. This micro SPST DIP switch is commonly mounted on a PCB, breadboard or motherboard.

1.5V DC Signal Relay, SPDT, 2A

$15.28

SKU: ATO-SR-W13DC15V

Low price miniature signal relay for load switching, coil voltage 1.5V DC, contact form SPDT, max. switching current 2A, rated load 1A 125VAC/30VDC, selectable coil nominal power 200mW/150 mW.

1.85mm Female RF Coaxial Connector, Flange Mount

$109.89

SKU: ATO-RFC-18FS

1.85mm female (jack) RF coaxial connector serves as a crucial cable interface, facilitating the transmission of radio frequency signals between devices. Commonly used in TV aerial and antenna systems, the flange mount type K connector enables a reliable connection between the coaxial cable and the equipment.

1/2 inch Float Valve for Water Tank

$110.38

SKU: ATO-FV-15

Cheap 1/2 inch (DN15) float valve for sale online. This brass float valve is designed for tanks and towers to ensure the tank is filled to the proper level and prevent overflowing. Floating ball valve is commonly used in domestic water tanks, livestock watering systems, irrigation systems, and industrial water storage tanks.

1/2W Metal Film Resistor, 1 Ohm to 1M Ohm

$1.98

SKU: ATO-MFR-12W

1/2W metal film resistors are designed for optimum signal integrity and feature low noise characteristics to reduce unwanted interference. Metal film resistors are available in 1 ohm, 10 ohm, 100 ohm, and 1M ohm options to meet a wide range of electronic project needs

1/4W Metal Film Resistor, 1 Ohm to 1M Ohm

$1.98

SKU: ATO-MFR-14W

Buy 1/4W metal film resistor kit at low prices, available in resistance values from 1Ω to 1MΩ. Metal film resistors have inherently low noise levels, making them suitable for applications where signal integrity and low noise are critical, such as audio circuits or sensitive electronic equipment.

1~90dB 5W Variable RF Step Attenuator

$350.89

SKU: ATO-RFFA-90DB5W

Favorable price variable RF step attenuator for sale, frequency range from DC to 3.6GHz, attenuation range from 1dB to 90dB, working at 5W power. This variable attenuator is an electronic device designed to continuously adjust signal strength in high-power radio frequency (RF) applications. Employing SMA female connectors, enables seamless integration into RF systems, offering precise control over signal levels.

10 amp Fuse & Fuse Holder, 1000V/1500V DC

$7.99

SKU: ATO-FUSE-10A

Low price 10 amp fuse with a DIN rail mount fuse holder, can provide overheat, overvoltage and overcurrent protection. 1000V/1500V DC electrical fuse is a fast blow fuse, specially designed for solar PV systems.

10 kvar Shunt Capacitor, single phase, 400V, self-healing

$125.38

SKU: ATO-CAP-40010

Self-healing type single phase shunt capacitor is 10 kvar rated capacity and good quality at low price. The offered AC capacitor is in parallel connection and widely used in low voltage electric network to improve power factor and reduce reactive loss of electrical energy.

100 Amps Isolator Switch, 3 Pole/ 4 Pole

$157.59

SKU: ATO-IS-HGL100A

Comfortable price isolator switch has the advantages of small size, light weight, long life and low loss. Rated current 100 Amps, can select 3 pole or 4 pole, rated insulation voltage 690V rated, factory direct sales。

100K Ohm Rotary Potentiometer with On Off Switch

$17.92

SKU: ATO-RP-100K

The industrial linear taper rotary potentiometer with a resistance value of 100K Ohm. Rotary types of potentiometers are carefully crafted from high quality materials to ensure durability and long lasting performance. Reliable rotary switch resistors are suitable for multimedia, speaker, amplifier, and lighting regulation.

10A 3-phase EMI Line Filter, 2 Stage

$117.92

SKU: ATO-EMI-2010

10A 2-stage EMI line filter, 3-phase 3-wire or 3-phase 4-wire, rated voltage 250/440V AC 50/60Hz, excellent performance of EMI suppression in the industrial equipment, compact size, stud connection, low price and high reliability.

10A Sine Wave Filter, 3 Phase

$367.08

SKU: ATO-SWF-10

Cost-effective sine wave filter for sale online with rated current 10A, adapted power of 3.7kW, and carrier frequency 4kHz. The three phase sinusoidal filter has the advantage of small size, light weight and long service life.

10dB 100W RF Coaxial Attenuator, 50 Ohm

$312.69

SKU: ATO-RFFA-10DB100W

Purchase low price fixed RF coaxial attenuator for radio frequency system, frequency range from DC to 6GHz, attenuation value 10dB, average input power 100 watt at 25℃. This 50 Ohm coax attenuator is an essential electronic component used in microwave communication systems to control signal strength.

10dB 10W RF Fixed Attenuator, 50 Ohm

$179.29

SKU: ATO-RFFA-10DB10W

Favorable price fixed RF attenuator is an electronic device used to reduce the power of a microwave signal in coaxial configurations commonly employed in high-power applications, frequency range from DC to 18GHz, attenuation value 10dB, power 10W. Designed as a passive component, 50 Ohm radio frequency attenuator operates in line within a circuit, efficiently managing signal strength without actively amplifying or generating frequencies.

10dB 50W RF Fixed Attenuator, 50 Ohm

$194.69

SKU: ATO-RFFA-10DB50W

Fixed coaxial RF attenuator for sale online at best price, frequency range from DC to 4GHz, attenuation value 10dB, impedance 50 Ohm, average input power 50W at 25℃. ATO coaxial attenuator is an electronic device designed to reduce the amplitude of radio frequency (RF) signals. Typically used in high-power applications, it operates in the microwave frequency range, making it suitable for various communication systems, including GPS.

10K Ohm Rotary Potentiometer with On Off Switch

$17.86

SKU: ATO-RP-10K

Buy low priced variable rotary potentiometers with 10K Ohm resistance from ATO.com. This on/off rotary switch potentiometer is widely used for audio, guitar, amplifiers, electric lights, other arduino based two tone device projects and more.

10μF 25V Aluminum Electrolytic Capacitor

$1.06

SKU: ATO-EC-10UF25V

High voltage aluminum electrolytic capacitor with 10μF capacity, 25 volt rated current, cap. tolerance is ±20%, direct plug installation type, 12% dissipation factor. 10uf 25v electrolytic capacitor is widely used in automotive, smart home, medical, industrial control and new energy industries.