HE721B0510 Allicdata Electronics
Allicdata Part #:

HE721B0510-ND

Manufacturer Part#:

HE721B0510

Price: $ 2.03
Product Category:

Relays

Manufacturer: Littelfuse Inc.
Short Description: RELAY RED SPST-NC 500MA 5V
More Detail: N/A
DataSheet: HE721B0510 datasheetHE721B0510 Datasheet/PDF
Quantity: 1000
5000 +: $ 1.84304
Stock 1000Can Ship Immediately
$ 2.03
Specifications
Turn Off Voltage (Min): 0.5 VDC
Coil Resistance: 500 Ohms
Coil Power: --
Contact Material: --
Operating Temperature: -40°C ~ 85°C
Termination Style: PC Pin
Mounting Type: Through Hole
Features: Diode
Release Time: 1ms
Operate Time: 1ms
Series: HE700
Turn On Voltage (Max): 3.75 VDC
Switching Voltage: 200VDC - Max
Contact Rating (Current): 500mA
Contact Form: SPST-NC (1 Form B)
Coil Voltage: 5VDC
Coil Current: 10.0mA
Coil Type: Non Latching
Part Status: Active
Packaging: Tube 
Description

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Reed relays are a type of electrical switch consisting of a rigid loop of metal in a sealed tubing, which is referred to as a "reed". When an electric current is applied, the reed closes and makes contact with its neighboring metal piece in the tubing, creating an electrical circuit. The HE721B0510 is a reed relay that is commonly used in a variety of industries and applications.

The HE721B0510 is a compact reed relay that utilizes a single coil design, and is characterized by a high current handling capability up to 250V/2A. It is capable of switching up to 50 million operations. Because of its compact size, it is ideal for applications where space is limited, such as operating systems, test and instrumentation, remote control and communications equipment, and industrial automation.

The working principle of the HE721B0510 is based on the magnetic field generated by the coil. When an electric current is applied, the magnetic field attracts the reed, which then makes contact with its neighboring metal piece, and the circuit is closed. The reed is then held in place until the current is removed and the magnetic field dissipates, allowing the reed to release, thereby breaking the circuit.

The HE721B0510 is used extensively in medical devices, such as body temperature detectors and breath monitors. It is also commonly used in telecommunication systems, where its high switching speed and reliability ensure smooth operation. It is also used in data storage systems, such as floppy disks, hard disks, CDs and DVDs.

In addition, the HE721B0510 is used in industrial automation systems, such as production lines, robotic systems, and automatic assembly systems. It is also used in utilities, such as building automation and power distribution systems. In addition, it is used in measurement and control systems, including temperature, voltage and pressure sensors.

In summary, the HE721B0510 is a popular reed relay that is used in a variety of applications and industries. Its small size and high current handling capability make it an excellent choice for many applications. Its high switching speed and reliability make it an ideal choice for data storage systems, medical devices, telecommunication systems, industrial automation systems, utilities, and measurement and control systems.

The specific data is subject to PDF, and the above content is for reference

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HE721A0520 Littelfuse I... 1.48 $ 1000 RELAY REED SPST 500MA 5V
HE721C1230 Littelfuse I... 2.22 $ 1000 RELAY REED SPDT 250MA 12V
HE721A2410 Littelfuse I... 1.06 $ 1982 RELAY REED SPST 500MA 24V
HE721A0550 Littelfuse I... 0.0 $ 1000 RELAY REED SPST 500MA 5V
HE721R1200 Littelfuse I... 0.0 $ 1000 RELAY REED SPDT 250MA 12V
HE721R2400 Littelfuse I... 0.0 $ 1000 RELAY REED SPDT 250MA 24V
HE721C2430 Littelfuse I... 4.29 $ 1984 RELAY REED SPDT 250MA 24V
HE721R0510 Littelfuse I... 6.32 $ 1000 RELAY REED SPDT 250MA 5V
HE722A0540 Littelfuse I... 0.0 $ 1000 RELAY REED DPST 500MA 5V
HE721B0510 Littelfuse I... 2.03 $ 1000 RELAY RED SPST-NC 500MA 5...
HE721C0540 Littelfuse I... 2.58 $ 1000 RELAY REED SPDT 250MA 5V
HE722A0530 Littelfuse I... 3.09 $ 1000 RELAY REED DPST 500MA 5V
HE721A1210 Littelfuse I... 1.23 $ 6633 RELAY REED SPST 500MA 12V
HE721A0530 Littelfuse I... 1.55 $ 1000 RELAY REED SPST 500MA 5V
HE721A1230 Littelfuse I... 1.55 $ 1000 RELAY REED SPST 500MA 12V
HE721A2420 Littelfuse I... 0.0 $ 1000 RELAY REED SPST 500MA 24V
HE721C1210 Littelfuse I... 1.98 $ 1436 RELAY REED SPDT 250MA 12V
HE722A1230 Littelfuse I... 0.0 $ 1000 RELAY REED DPST 500MA 12V
HE721R2410 Littelfuse I... 2.23 $ 1000 RELAY REED SPDT 250MA 24V
HE722A1220 Littelfuse I... 0.0 $ 1000 RELAY REED DPST 500MA 12V
HE721C2450 Littelfuse I... 2.49 $ 1000 RELAY REED SPDT 250MA 24V
HE721C0520 Littelfuse I... 2.14 $ 1000 RELAY REED SPDT 250MA 5V
HE721E2400 Littelfuse I... 5.31 $ 562 RELAY REED SPDT 250MA 24V
HE722A1210 Littelfuse I... -- 5380 RELAY REED DPST 500MA 12V
HE721A0510 Littelfuse I... -- 22599 RELAY REED SPST 500MA 5V
HE721C0550 Littelfuse I... 0.0 $ 1000 RELAY REED SPDT 250MA 5V
HE721A0500 Littelfuse I... 0.89 $ 15427 RELAY REED SPST 500MA 5V
HE722A0510 Littelfuse I... 2.55 $ 1952 RELAY REED DPST 500MA 5V
HE721C0500 Littelfuse I... -- 3640 RELAY REED SPDT 250MA 5V
HE721C2410 Littelfuse I... 2.53 $ 2395 RELAY REED SPDT 250MA 24V
HE721A2415 Littelfuse I... 0.0 $ 1000 RELAY REED SPST 500MA 24V
HE721C1250 Littelfuse I... 2.3 $ 1000 RELAY REED SPDT 250MA 12V
HE721A2430 Littelfuse I... 1.71 $ 1000 RELAY REED SPST 500MA 24V
HE721A0515 Littelfuse I... 0.0 $ 1000 RELAY REED SPST 500MA 5V
HE722A2450 Littelfuse I... 0.0 $ 1000 RELAY REED DPST 500MA 24V
HE722A1200 Littelfuse I... 1.68 $ 1450 RELAY REED DPST 500MA 12V
HE722A2400 Littelfuse I... -- 1970 RELAY REED DPST 500MA 24V
HE722A0600 Littelfuse I... 1.36 $ 1000 RELAY REED DPST 500MA 5V
HE721A0540 Littelfuse I... 0.77 $ 1000 RELAY REED SPST 500MA 5V
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