STR-X6737 Allegro Microsystems Inc, STR-X6737 Datasheet - Page 8

• Manufacturer Part Number: STR-X6737
• Description: SMPS Primary Switcher, (Bottom Skip Quosi-resonance Switching Type)
• Manufacturer: Allegro Microsystems Inc

STR-X6737
Gate burr: 0.3 mm (max.)
Terminal core material: Cu
Terminal treatment: Ni plating and Pb-free solder dip
Leadform: 1901
Approximate weight: 6 g
Dimensions in millimeters
2X 2.54±0.1
View A
Gate Burr
Branding
Area
Terminal dimension at lead tip
1
XXXXXXXX
XXXXXXXX
XXXXXXXX
15.6 ±0.2
2
3
6
4
5
6
7
Off-Line Quasi-Resonant Switching Regulators
4X 1.27±0.1
Package Outline Drawing, TO-3P
Front View (Plan View)
Leadframe plating Pb-free. Device composition
includes high-temperature solder (Pb >85%),
which is exempted from the RoHS directive.
0.7
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
4.5 ±0.7
Terminal dimension at lead tip
0.7
5.5±0.2
Drawing for reference only
Branding codes (exact appearance at manufacturer discretion):
1st line, type:
2nd line, subtype: X6737
3rd line, lot:
0.7
Side View
0.55
3.45±0.2
3.35±0.1
Where: Y is the last digit of the year of manufacture
+0.2
–0.1
0.7
M is the month (1 to 9, O, N, D)
DD is the 2-digit date
YM DD
STR
2X 0.83
1.33
+0.2
–0.1
+0.2
–0.1
1.89
Enlargement View A
+0.2
–0.1
5X 0.65
5X 0.75
+0.2
–0.1
+0.2
–0.1
8