| Allicdata Part #: | HE138-ND |
| Manufacturer Part#: |
HE721A1215 |
| Price: | $ 0.00 |
| Product Category: | Relays |
| Manufacturer: | Littelfuse Inc. |
| Short Description: | RELAY REED SPST 500MA 12V |
| More Detail: | N/A |
| DataSheet: |  HE721A1215 Datasheet/PDF |
| Quantity: | 1000 |
| 1 +: | 0.00000 |
Specifications
| Series: | 700 |
| Packaging: | Tube |
| Part Status: | Active |
| Coil Type: | Non Latching |
| Coil Current: | 12.0mA |
| Coil Voltage: | 12VDC |
| Contact Form: | SPST-NO (1 Form A) |
| Contact Rating (Current): | 500mA |
| Switching Voltage: | 200VDC - Max |
| Turn On Voltage (Max): | 8 VDC |
| Turn Off Voltage (Min): | 1 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: | 1 kOhms |
Description
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Reed relays allow the quick and efficient switching of electrical signals with minimal power consumption, and are used in many electrical and electronic devices such as testing and measurement instruments, computers, telecommunications systems, and control systems. The HE721A1215 is one such reed relay which is used for a wide variety of applications where a low power signal needs to be switched quickly and efficiently.The HE721A1215 is a low power, low voltage reed relay with a wide range of applications. It has a highly efficient design, making it ideal for use in battery-powered systems as well as in medical, aerospace, and industrial applications. The relay uses a sealed version of the conventional reed relay coil and contacts, making it suitable for use in hazardous environments and extreme temperatures. The HE721A1215 has an adjustable contact rating (ranging from 0.5 to 5 watts) and a maximum contact current of 5 amps. It also has a coil operating voltage of 5 to 24 volts DC and a nominal switching voltage of 250 volts AC. The relay is rated for 200,000 operations and is insulated with a special dielectric material to protect it from electrostatic discharge. The working principle of the HE721A1215 is based on the traditional reed relay technology. A magnetic field is generated when the coil is energized, which leads to a latching action that causes the contacts to close or open. The contacts act as a switch, allowing an electrical signal to pass through the relay. When the coil is de-energized, the latching action is reversed, causing the contacts to open. The HE721A1215 is typically used in applications where power, speed, and reliability are of utmost importance. It can be used to switch DC signals, pulses, and high frequency signals, making it suitable for industrial automation and control systems. It can also be used in medical equipment and testing and measurement instruments.In summary, the HE721A1215 is a low power, high speed reed relay that is suitable for a wide variety of applications where quick and efficient switching of signals is needed. Its adjustable contact rating, low power design, and excellent insulation make it ideal for use in hazardous environments and systems where power consumption must be minimized.
The specific data is subject to PDF, and the above content is for reference
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| 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 |
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