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| Manufacturer | Littelfuse |
|---|---|
| Manufacturer's Part Number | HE421A0550 |
| Description | Other Relays; Relay Function: SPST; Coil or Input Supply Type: DC; DC Coil Operate Voltage: 3.75 V; Contact or Output Supply Type: DC; Operate Time: 1 ms; |
| Datasheet | HE421A0550 Datasheet |
| NAME | DESCRIPTION |
|---|---|
| Nominal Coil Voltage: | 5 V |
| Maximum DC Contact Current: | 500 mA |
| Relay Function: | SPST |
| DC Coil Release Voltage: | 400 mV |
| Dielectric Strength Between Open Contacts: | 250 Vrms |
| Contact or Output Supply Type: | DC |
| Maximum Contact DC Rating (R Load): | 0.5A@200VDC |
| Coil or Input Supply Type: | DC |
| Relay Form: | 1 Form A |
| Termination Type: | Solder |
| Operate Time: | 1 ms |
| DC Coil Operate Voltage: | 3.75 V |
| Release Time: | 1 ms |
| Maximum Operating Temperature: | 85 °C (185 °F) |
| Contact Resistance: | 150 mΩ |
| Input Switching Control Type: | Random |
| Other Names: | HE421A0550-NDR |
| Maximum DC Contact Voltage: | 200 V |
| Maximum Contact DC Power Rating (R Load): | 10W@200VDC |
| Coil Resistance: | 240 Ω |
| Sealing: | Hermetical |
| Minimum Operating Temperature: | -40 °C (-40 °F) |
| Body Width: | 10 in (254 mm) |
| Maximum DC Coil Voltage: | 11 V |
| Dielectric Strength Between Coil & Contacts: | 1.5 kVrms |
| Physical Dimension: | 1.181 x 0.394 x 0.354 in (30 x 10 x 9 mm) |
| Body Height: | 0.354 in (9 mm) |
| Body Length/Diameter: | 1.181 in (30 mm) |









