About the outline classification of relays

Update:11-01-2020
Summary:

Classification according to the overall dimensions of t […]

Classification according to the overall dimensions of the relay:

1. Miniature relay: a relay with the longest side size not greater than 10 mm.

2. Subminiature miniature relays: Relays with the longest side larger than 10 mm but not larger than 25 mm.

3. Miniature miniature relay: The relay with the longest dimension larger than 25 mm, but not larger than 50 mm.

Note: For sealed or enclosed relays, the external dimensions are the maximum dimensions of the relay body in three mutually perpendicular directions, excluding mounting parts, lead-out ends, crimps, crimps, flanges and sealed solder joints.