Allicdata Part #: | HE100-ND |
Manufacturer Part#: |
HE721A0500 |
Price: | $ 0.89 |
Product Category: | Relays |
Manufacturer: | Littelfuse Inc. |
Short Description: | RELAY REED SPST 500MA 5V |
More Detail: | N/A |
DataSheet: | HE721A0500 Datasheet/PDF |
Quantity: | 15427 |
1 +: | $ 0.80640 |
10 +: | $ 0.75474 |
25 +: | $ 0.67082 |
50 +: | $ 0.63731 |
100 +: | $ 0.60373 |
250 +: | $ 0.53666 |
500 +: | $ 0.50312 |
1000 +: | $ 0.46958 |
5000 +: | $ 0.45281 |
Series: | HE700 |
Packaging: | Tube |
Part Status: | Active |
Coil Type: | Non Latching |
Coil Current: | 10.0mA |
Coil Voltage: | 5VDC |
Contact Form: | SPST-NO (1 Form A) |
Contact Rating (Current): | 500mA |
Switching Voltage: | 200VDC - Max |
Turn On Voltage (Max): | 3.75 VDC |
Turn Off Voltage (Min): | 0.5 VDC |
Operate Time: | 1ms |
Release Time: | 1ms |
Features: | -- |
Mounting Type: | Through Hole |
Termination Style: | PC Pin |
Operating Temperature: | -40°C ~ 85°C |
Contact Material: | -- |
Coil Power: | -- |
Coil Resistance: | 500 Ohms |
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Reed relays are one of the most versatile and reliable ways to switch electric circuits. The HE721A0500, manufactured by Honeywell, is a high-performance single-pole, single-throw, reed relay and operates in robust and demanding applications. This relay has outstanding performance, ensuring it can be used in very reliable, accurate applications requiring low power consumption. This article will discuss the application field and working principle of the HE721A0500.
Application Field
The HE721A0500 is commonly used in telecommunications, data acquisition, test and measurement, security and access control systems, and many other control systems. It is particularly useful when used in system-level switching applications where the power and/or current requirement is very low. Its versatile and reliable operation makes it ideal for applications requiring independent and simultaneous on/off switching of two circuits, such as in switch-mode power supplies. This reed relay is also used in medical instrumentation, fire alarm systems, and in control systems that involve AC/DC switching.
The HE721A0500 is also used in industrial motor control applications and in industrial process control. Its hermetically sealed enclosure allows it to operate in even the harshest environments without sacrificing performance. This reed relay is especially suitable for use as a low-voltage AC load switching device, making it ideal for control systems that use AC/DC switching.
Working Principle
The working principle of the HE721A0500 is based on the principle of magnetism. This relay is made up of two ferromagnetic parts: the core and the coil. When a current is applied to the coil, a magnetic field is generated which attracts the core. When the core is attracted, it causes the contacts of the relay to close or open, thus completing or breaking the circuit. The contacts remain closed until the current is removed and the core is no longer attracted. This principle of operation makes the HE721A0500 a very reliable and accurate switching device.
The HE721A0500 is designed to be used in low voltage applications that require power consumption of no more than 5V DC. Its design allows it to switch loads up to 1A, making it an ideal choice for low power applications. It can switch both AC and DC loads, making it highly versatile. Additionally, its small size makes it an ideal choice for applications requiring space-saving solutions.
In addition to its reliable and versatile operation, the HE721A0500 also has several safety features. It contains an internal resistor which prevents it from being used as a short-circuit device. It also includes a reverse current protection feature which prevents excessive current from flowing through the contacts, protecting integrated circuits from damage. Finally, it has a diode which prevents electrical shock to the user when the relay is energized.
The HE721A0500 reed relay is a highly versatile and reliable switching device. Its robust design and low power requirement make it ideal for use in a wide range of applications. Its small size and reliable operation make it well-suited for space-saving solutions. It is a great choice for applications that require simultaneous on/off switching of two circuits, such as switch-mode power supplies. Additionally, its safety features ensure that it is safe for use even in the most demanding and extreme environments.
The specific data is subject to PDF, and the above content is for reference
Part Number | Manufacturer | Price | Quantity | Description |
---|
HE721A1200 | Littelfuse I... | 0.78 $ | 5183 | RELAY REED SPST 500MA 12V |
HE721A0500 | Littelfuse I... | 0.89 $ | 15427 | RELAY REED SPST 500MA 5V |
HE721A0510 | Littelfuse I... | -- | 22599 | RELAY REED SPST 500MA 5V |
HE721A1210 | Littelfuse I... | 1.23 $ | 6633 | RELAY REED SPST 500MA 12V |
HE721C0500 | Littelfuse I... | -- | 3640 | RELAY REED SPDT 250MA 5V |
HE722A2410 | Littelfuse I... | 1.99 $ | 2356 | RELAY REED DPST 500MA 24V |
HE721C0510 | Littelfuse I... | -- | 7142 | RELAY REED SPDT 250MA 5V |
HE721C1200 | Littelfuse I... | 2.11 $ | 1354 | RELAY REED SPDT 250MA 12V |
HE722A1210 | Littelfuse I... | -- | 5380 | RELAY REED DPST 500MA 12V |
HE722A0500 | Littelfuse I... | 2.44 $ | 7317 | RELAY REED DPST 500MA 5V |
HE721C2400 | Littelfuse I... | 2.46 $ | 1980 | RELAY REED SPDT 250MA 24V |
HE721A2400 | Littelfuse I... | 0.88 $ | 1564 | RELAY REED SPST 500MA 24V |
HE722A2400 | Littelfuse I... | -- | 1970 | RELAY REED DPST 500MA 24V |
HE721C1210 | Littelfuse I... | 1.98 $ | 1436 | RELAY REED SPDT 250MA 12V |
HE721C2410 | Littelfuse I... | 2.53 $ | 2395 | RELAY REED SPDT 250MA 24V |
HE721E0510 | Littelfuse I... | 3.09 $ | 121 | RELAY REED SPDT 250MA 5V |
HE721C2430 | Littelfuse I... | 4.29 $ | 1984 | RELAY REED SPDT 250MA 24V |
HE721E2400 | Littelfuse I... | 5.31 $ | 562 | RELAY REED SPDT 250MA 24V |
HE721A0515 | Littelfuse I... | 0.0 $ | 1000 | RELAY REED SPST 500MA 5V |
HE721A1215 | Littelfuse I... | 0.0 $ | 1000 | RELAY REED SPST 500MA 12V |
HE721A2415 | Littelfuse I... | 0.0 $ | 1000 | RELAY REED SPST 500MA 24V |
HE722A0520 | Littelfuse I... | 0.0 $ | 1000 | RELAY REED DPST 500MA 5V |
HE722A0540 | Littelfuse I... | 0.0 $ | 1000 | RELAY REED DPST 500MA 5V |
HE722A0550 | Littelfuse I... | 0.0 $ | 1000 | RELAY REED DPST 500MA 5V |
HE722A1220 | Littelfuse I... | 0.0 $ | 1000 | RELAY REED DPST 500MA 12V |
HE722A1230 | Littelfuse I... | 0.0 $ | 1000 | RELAY REED DPST 500MA 12V |
HE722A1240 | Littelfuse I... | 0.0 $ | 1000 | RELAY REED DPST 500MA 12V |
HE722A2420 | Littelfuse I... | 0.0 $ | 1000 | RELAY REED DPST 500MA 24V |
HE722A2430 | Littelfuse I... | 0.0 $ | 1000 | RELAY REED DPST 500MA 24V |
HE722A2440 | Littelfuse I... | 0.0 $ | 1000 | RELAY REED DPST 500MA 24V |
HE722A2450 | Littelfuse I... | 0.0 $ | 1000 | RELAY REED DPST 500MA 24V |
HE721A0550 | Littelfuse I... | 0.0 $ | 1000 | RELAY REED SPST 500MA 5V |
HE721A1250 | Littelfuse I... | 0.0 $ | 1000 | RELAY REED SPST 500MA 12V |
HE721A2420 | Littelfuse I... | 0.0 $ | 1000 | RELAY REED SPST 500MA 24V |
HE721A2440 | Littelfuse I... | 0.0 $ | 1000 | RELAY REED SPST 500MA 24V |
HE721A2450 | Littelfuse I... | 0.0 $ | 1000 | RELAY REED SPST 500MA 24V |
HE721C0550 | Littelfuse I... | 0.0 $ | 1000 | RELAY REED SPDT 250MA 5V |
HE721C1220 | Littelfuse I... | 0.0 $ | 1000 | RELAY REED SPDT 250MA 12V |
HE721C1240 | Littelfuse I... | 0.0 $ | 1000 | RELAY REED SPDT 250MA 12V |
HE721C2420 | Littelfuse I... | 0.0 $ | 1000 | RELAY REED SPDT 250MA 24V |
RELAY REED SPST 1A 5V
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RELAY REED DPST 500MA 24V
RELAY REED 3PST 250MA 5V
RELAY REED SPST 500MA 24V
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