TC646 Microchip, TC646 Datasheet - Page 19

• Manufacturer Part Number: TC646
• Description: PWM Fan Speed Controller
• Manufacturer: Microchip

8-Lead Plastic Dual In-line (P) – 300 mil (PDIP)
2002 Microchip Technology Inc.
Number of Pins
Pitch
Top to Seating Plane
Molded Package Thickness
Base to Seating Plane
Shoulder to Shoulder Width
Molded Package Width
Overall Length
Tip to Seating Plane
Lead Thickness
Upper Lead Width
Lower Lead Width
Overall Row Spacing
Mold Draft Angle Top
Mold Draft Angle Bottom
* Controlling Parameter
§ Significant Characteristic
Notes:
Dimensions D and E1 do not include mold flash or protrusions. Mold flash or protrusions shall not exceed
.010” (0.254mm) per side.
JEDEC Equivalent: MS-001
Drawing No. C04-018
n
eB
E1
E
Dimension Limits
§
Units
2
1
A2
A1
E1
B1
eB
E
D
B
n
p
A
L
c
c
D
MIN
.140
.115
.015
.300
.240
.360
.125
.008
.045
.014
.310
5
5
INCHES*
NOM
A
A1
.100
.155
.130
.313
.250
.373
.130
.058
.018
.370
.012
10
10
8
B1
B
MAX
.170
.145
.325
.260
.385
.135
.015
.070
.022
.430
15
15
MIN
3.56
2.92
0.38
7.62
6.10
9.14
3.18
0.20
1.14
0.36
7.87
5
5
MILLIMETERS
NOM
2.54
3.94
3.30
7.94
6.35
9.46
3.30
0.29
1.46
0.46
9.40
10
10
8
p
A2
DS21446C-page 19
MAX
TC646
10.92
L
4.32
3.68
8.26
6.60
9.78
3.43
0.38
1.78
0.56
15
15