DIP reed relay 5VDC SPST N.O. (normally open) made by Hamlin. PCB mount.  

• Device Type: SPST normally open reed relay switch.
• Package: Plastic case. PCB Mount. DIP Profile
• Dimensions: 19.5mm x 7.2mm x 5.5mm tall (not including contact height)
• Coil Voltage: 5VDC
• Contact Rating: 0.5 Amps, 200VDC
• Manufacturer: Hamlin
• Specification: From All Datasheet Website
• Source: Inventory Surplus

Note: This is a SPST reed relay switch. The normally open contacts will close only when the coil is energized and re-open when the coil voltage is removed. Please see specification for more information.