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For Reference Only
Part Number | HE721A2420 |
OEMstron Part # | HE721A2420 |
Manufacturer | Littelfuse |
Category | Power › Relays › Reed Relays |
Description | RELAY REED SPST 500MA 24V |
Lifecycle | Active |
RoHS | No RoHS Information |
EDA/CAD Models | HE721A2420 PCB Footprint and Symbol |
Warehouses | USA, Europe, China, Hong Kong SAR |
Estimated Delivery | Mar 16 - Mar 21 (Choose Expedited Shipping) |
Warranty | Up to 1 year [Limited-Warranty]* |
Payment | ![]() |
Shipping | ![]() |
HE721A2420 Specifications
Part Number | HE721A2420 | |
Brand | Littelfuse | |
Lifecycle | Active | |
RoHS | No RoHS Information | |
Product Line | Power | |
Category | Relays | |
Subcategory | Reed Relays | |
Manufacturer | Littelfuse Inc. | |
Series | HE700 | |
Mounting Type | Through Hole | |
Coil Voltage | 24VDC | |
Contact Form | SPST-NO (1 Form A) | |
Contact Rating (Current) | 500mA | |
Switching Voltage | 200VDC - Max | |
Coil Current | 11.1mA | |
Coil Type | Non Latching | |
Features | Electrostatic Shield | |
Termination Style | PC Pin | |
Seal Rating | - | |
Must Operate Voltage | 16 VDC | |
Must Release Voltage | 2 VDC | |
Operate Time | 1ms | |
Release Time | 1ms | |
Operating Temperature | -40°C ~ 85°C | |
Contact Material | - |
HE721A2420 Documents

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Part Number | Description | Stock |
HE721A2420 Littelfuse Inc |
RELAY REED SPST 500MA 24V |
Contact Us |
Part Number | Description | Stock |
HE721A2420 D# HE721A2420-ND Littelfuse Inc |
RELAY REED SPST 500MA 24V |
Temporarily Out of Stock |
Part Number | Description | Stock |
HE721A2420 D# NS-HE721A2420 Hamlin Electronics |
OEM/CM ONLY |
3714 |
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In Stock | 194 - More on Order |
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Quote Limit | No Limit |
Lead-Time | To be Confirmed |
Minimum | 1 |
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