For Reference Only
| Part Number | HE421A0550 |
| LIXINC Part # | HE421A0550 |
| Manufacturer | Wickmann / Littelfuse |
| Category | Relays › Reed Relays |
| Description | RELAY REED SPST 500MA 5V |
| Lifecycle | Active |
| RoHS | No RoHS Information |
| EDA/CAD Models | HE421A0550 PCB Footprint and Symbol |
| Warehouses | USA, Europe, China, Hong Kong SAR |
| Estimated Delivery | Jan 24 - Jan 28 2026(Choose Expedited Shipping) |
| Warranty | Up to 1 year [Limited-Warranty]* |
| Payment |
|
| Shipping | ![]() |
| Part Number: | HE421A0550 |
| Brand: | Wickmann / Littelfuse |
| Lifecycle: | Active |
| RoHS: | Lead free / RoHS Compliant |
| Category: | Relays |
| Subcategory: | Reed Relays |
| Manufacturer: | Wickmann / Littelfuse |
| Series: | 400 |
| Package: | Tube |
| Part Status: | Obsolete |
| Mounting Type: | Through Hole |
| Coil Voltage: | 5VDC |
| Contact Form: | SPST-NO (1 Form A) |
| Contact Rating (Current): | 500 mA |
| Switching Voltage: | 200VDC - Max |
| Coil Current: | 20.8 mA |
| Coil Type: | Non Latching |
| Features: | - |
| Termination Style: | PC Pin |
| Seal Rating: | - |
| Must Operate Voltage: | 3.75 VDC |
| Must Release Voltage: | 0.4 VDC |
| Operate Time: | 1 ms |
| Release Time: | 1 ms |
| Operating Temperature: | -40°C ~ 85°C |
| Contact Material: | - |
| 9007-12-11 | RELAY REED SPST 500MA 12V | 982 More on Order |
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| 7302-24-1001 | RELAY REED DPST 500MA 24V | 814 More on Order |
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| 7241-05-1001 | RELAY REED SPDT 1A 5V | 861 More on Order |
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| 7142-05-1000 | RELAY REED DPDT 250MA 5V | 841 More on Order |
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| 7102-24-1010 | RELAY REED DPST 500MA 24V | 993 More on Order |
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| 7241-24-1000 | RELAY REED SPDT 1A 24V | 998 More on Order |
|
| MSS21A05B | RELAY REED SPST 2A 5V THRU-HOLE | 901 More on Order |
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| 7301-05-1010 | RELAY REED SPST 500MA 5V | 807 More on Order |
|
| 9081C1-05-00 | RELAY REED SPDT 400MA 5V | 844 More on Order |
|
| 7141-05-1110 | RELAY REED SPDT 250MA 5V | 883 More on Order |
|
| 7101-05-1001 | RELAY REED SPST 500MA 5V | 828 More on Order |
| In Stock | 10981 - More on Order |
|---|---|
| Quote Limit | No Limit |
| Lead-Time | To be Confirmed |
| Minimum | 1 |
Warm Tips: Please fill out the form below. We will contact you as soon as possible.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1 | $0.0000 | $0 |
| 100 | $0.0000 | $0 |
| 500 | $0.0000 | $0 |
| 1000 | $0.0000 | $0 |
| 2500 | $0.0000 | $0 |
Lixinc will offer the most competitive prices for you, please refer to the quotations.
Please feel free to contact us for details.