ZXTN04120HK Datasheet, PDF (6/7 Pages) Diodes Incorporated – 120V NPN MEDIUM POWER DARLINGTON TRANSISTOR IN TO252

Package Outline Dimensions
Please see AP02002 at http://www.diodes.com/datasheets/ap02002.pdf for latest version.
A Product Line of
Diodes Incorporated
ZXTN04120HK
E
A
b3
c2
L3
A2
E1
D
H
L4
e
2X b2
3X b
A1
L
a
TO252
Dim Min Max Typ
A 2.19 2.39 2.29
A1 0.00 0.13 0.08
A2 0.97 1.17 1.07
b 0.64 0.88 0.783
b2 0.76 1.14 0.95
b3 5.21 5.46 5.33
c2 0.45 0.58 0.531
D 6.00 6.20 6.10
D1 5.21 

e
 2.286
E 6.45 6.70 6.58
E1 4.32 

H 9.40 10.41 9.91
L 1.40 1.78 1.59
L3 0.88 1.27 1.08
L4 0.64 1.02 0.83
a 0° 10° 
All Dimensions in mm
Suggested Pad Layout
Please see AP02001 at http://www.diodes.com/datasheets/ap02001.pdf for the latest version.
X2
Y2
CZ
Y1
X1 E1
Dimensions
Z
X1
X2
Y1
Y2
C
E1
Value (in mm)
11.6
1.5
7.0
2.5
7.0
6.9
2.3
Note:
12. For high voltage applications, the appropriate industry sector guidelines should be considered with regards to creepage and clearance distances
between device Terminals and PCB tracking.
ZXTN04120HK
Document number: DS36554 Rev. 3 - 2
6 of 7
www.diodes.com
January 2014
© Diodes Incorporated