PHOTO
TRANSISTOR
Industry Standard Single Channel 6 Pin DIP Optocoupler
DEVICE TYPES Part No.
CTR % Min.
4N25 20 4N26 20 4N27 10 4N28 10 4N35 100 4N36 100 4N37 100 4N38 10 H11A1 50 H11A2 20 H11A3 20 H11A4 10 H11A5 30
Dimensions in Inches (mm)
Part No.
MCT2 MCT2E MCT270 MCT271 MCT272 MCT273 MCT274 MCT275 MCT276 MCT277
CTR % Min.
20 20 50 45–90 75–150 125–250 225–400 70–90 15–60 100
3 .
248 (6.
30) .
256 (6.
50) 4
2
1
pin one ID
Anode 1 Cathode 2
5 6
6 Base 5 Collector 4 Emitter
NC 3
.
335 (8.
50) .
343 (8.
70) .
039 (1.
00) Min.
4° typ.
.
018 (0.
45) .
022 (0.
55) .
048 (0.
45) .
022 (0.
55) .
130 (3.
30) .
150 (3.
81) 18° .
031 (0.
80) min.
.
031 (0.
80) .
035 (0.
90) .
100 (2.
54) typ.
3°–9° .
010 (.
25) typ.
.
30...