Topstek Current Transducer TK3A .. TK50A
Appearance, dimensions and pin identification for TK25A .. TK50A models
All dimensions in mm ±0.2, holes ꢆ0, ꢇ0.2 except otherwise noted.
Positive current flow direction
ꢂꢆꢅmax
7.ꢈꢌꢃꢀ$
ꢉꢄꢇꢀꢇ
ꢂꢀꢃꢄꢅmax
Primaryꢅꢇ[ G
ꢀ
ꢂ
ꢇ
ꢈ
ꢄ
ꢁ
Secondary pins 4x(0.5x0.3)
ꢄ[ ꢉꢃꢋ
ꢈ[3ꢇꢃꢀꢄ
ꢄ[ꢉꢃꢀ;ꢉꢃꢈ
ꢈ[3ꢇꢃꢀꢄ
Pin Assignment
ꢂ
ꢇ
ꢈ
ꢄ
ꢄ
ꢈ
ꢇ
ꢂ
ꢂ
ꢇ
ꢈ
ꢄ
ꢀ
ꢁ
-15V
0V
ꢀ
ꢁ
ꢀ
ꢁ
+15V
Vout
I +
ꢇ[ H
ꢂꢄꢃꢈ
ꢇꢃꢈꢀ
ꢂꢄꢃꢈ
ꢇꢃꢈꢀ
I -
25A to 50A PCB mounting hole layout
Bottom View
Part
TK25A
1x2
TK30A
TK37.5A
TK50A
Number
d(mm)
e(mm)
1x2
1x2.8
1x2.8
1.6x2.8 1.6x2.8
1.6x3.2 1.6x3.2
- 64 -
www.topstek.com
TK
V080201
7/1/2008
TOPSTEK [ TOPSTEK INC. ]
