6
SANKEN ELECTRIC CO., LTD.
28103.33
Quasi-Resonant Topology
Primary Switching Regulators
STR-W6756
PACKAGE DIMENSIONS, TO-220
10.0 ±0.2
4.2 ±0.2
2.8 ±0.2
Ø3.2 ±0.2
2.6 ±0.1
(2×R1)
Terminal dimension at case surface
5.08 ±0.6
0.65
+0.2
–0.1
0.74±0.15
0.45
+0.2
–0.1
16.9 ±0.3
10.4 ±0.5
5.0 ±0.5
7.9 ±0.2
4 ±0.2
0.5
2.8
(5.4)
Gate Burr
Branding
XXXXXXXX
XXXXXXXX
XX XX
Gate burr: 0.3 mm (max.)
Terminal core material: Cu
Terminal treatment: Ni plating and solder dip
Leadform: 2003
Weight (approximate): 2.3 g
Dimensions in millimeters
Drawing for reference only
Branding codes (exact appearance at manufacturer discretion):
1st line, type: STR
2nd line, subtype: W6756
3rd line, lot:
YM DD
Where: Y is the last digit of the year of manufacture
M is the month (
1
to
9, O, N, D
)
DD is the 2-digit date
1 2 3 4 5 6 7
Terminal dimensions at case surface
6×P1.27 ±0.15 = 7.62 ±0.15
Terminal dimension at lead tips
View B
0.5
View A
0.5
Leadframe plating Pb-free. Device composition
includes high-temperature solder (Pb >85%),
which is exempted from the RoHS directive.
