example1

S21

Features
Outline(L x W x H)mm: 20.5 x 7 x 15.3
● 0.36W and 0.2W coil are available.
● Switching capacity relay for high density.
● Standard PC layout.
● SPNO configuration.
● Sealed type available.
Ordering information
S21 - 12 B - 1A S
1   2 3   4 5
1. S21 -- Basic series designation
2. 12 -- Coil Voltage (5VDC~24VDC)
3. Blank -- Standard type (0.2W)
  B -- High sensitivity type (0.36W)
4. 1A -- Form A, normally open (SPNO)
5. Blank -- Sealed type
  S -- Sealed type washable
PC Board Layout