Topstek Current Transducer TK3A .. TK50A
Appearance, dimensions and pin identification for TK3A .. TK20A models
All dimensions in mm ±0.2, holes –0, +0.2 except otherwise noted.
max
max
max
Secondary pins 4x(0.5x0.3)
Primary
Pin Assignment
-15V
0V
+15V
Vout
I+
I-
Bottom View
Part
Number
d(mm)
e(mm)
3A to 20A PCB mounting hole layout
TK10A
1.2
1.8
TK12.5A TK15A
1.2
1.8
1.4
2.2
TK18.5A TK20A
1.4
2.2
1.6
2.4
TK3A TK4A TK5A TK6A TK7.5A
0.6
1.2
0.8
1.2
0.8
1.2
0.8
1.2
1.0
1.6
- 63 -
www.topstek.com
TK
V080201
7/1/2008