Ⅰ: Code of product series: three-digit
108: series 108 encoder
Ⅱ: Code of product height: double-digit
85: LM1=8.5mm 08: LM1=10.8mm
21: LM1=12.1mm 13: LM1=13mm
35: LM1=13.5mm 15: LM1=15mm
20: LM1=20mm
Ⅲ: Code of factory mark: single-digit
0: without factory mark
1: with “TTC” mark
2: with “
” mark
Ⅳ: Output wave: single-digit
0: 20 detents, 20 pulses (Terminal A on the right)
1: 24detents, 12 pulses
2: 24 detents, 24 pulses
3: 12 detents, 12 pulses
4: 20 detents, 20 pulses (Terminal A on the left)
Ⅴ: Code of shaft type: single-digit
0: flat type shaft
1: knurled type shaft
2: knurled type shaft with grooves
Ⅵ: Size of flatness on shaft: double-digit
00: without dimension of flatness (knurled type)
39: L1=3.9 12: L1=12.0 45: L1=4.5
50: L1=5.0 70: L1=7.0 10: L1=10.0
Ⅶ: Type of bushing: single-digit
0: 5.0mm screwed bushing
1: 7.0mm screwed bushing
2: 5.0mm smooth bushing (diameter: 7.0mm)
Ⅷ: Derivative code: single-digit
0: without special items
1: without switch function
2: torque force: 100±40gf.cm
Ⅸ: Package: single-digit
0=plastic bag 1=shrinked plastic package
2=tape package 3=tube package
4=foam package 5=undetermined