Datasheet
TOP242-250
46
I
4/03
General Information & Table of Contents
Product Selector Guide 1
Data Sheets 2
Application Notes 3
Design Ideas 4
Design Tools 5
Quality and Reliability 6
Package Information 7
DPA-Switch
 DC-DC Seminar 8
LinkSwitch 
&
 TinySwitch-II
 AC-DC Seminar 9
TOPSwitch-GX
 AC-DC Seminar 10
Sales Representatives and Distributors 11
Notes:
1. Package dimensions conform to JEDEC specification
 MS-001-AB (Issue B 7/85) for standard dual-in-line (DIP)
 package with .300 inch row spacing.
2. Controlling dimensions are inches. Millimeter sizes are 
 shown in parentheses.
3. Dimensions shown do not include mold flash or other
 protrusions. Mold flash or protrusions shall not exceed
 .006 (.15) on any side.
4. Pin locations start with Pin 1, and continue counter-clock-
 wise to Pin 8 when viewed from the top. The notch and/or
 dimple are aids in locating Pin 1. Pin 6 is omitted.
5. Minimum metal to metal spacing at the package body for
 the omitted lead location is .137 inch (3.48 mm).
6. Lead width measured at package body. 
7. Lead spacing measured with the leads constrained to be
 perpendicular to plane T.
.008 (.20)
.015 (.38)
.300 (7.62) BSC
(NOTE 7)
.300 (7.62)
.390 (9.91)
.367 (9.32)
.387 (9.83)
.240 (6.10)
.260 (6.60)
.125 (3.18)
.145 (3.68)
.057 (1.45)
.068 (1.73)
.120 (3.05)
.140 (3.56)
.015 (.38)
MINIMUM
.048 (1.22)
.053 (1.35)
.100 (2.54) BSC
.014 (.36)
.022 (.56)
-E-
Pin 1
SEATING
PLANE
-D-
-T-
P08B
DIP-8B
PI-2551-041003
D S
.004 (.10)
⊕
T E D S
.010 (.25) M
⊕
(NOTE 6)
SMD-8B
PI-2546-041003
.004 (.10)
.012 (.30)
.036 (0.91)
.044 (1.12)
.004 (.10)
0 -
 °
8
°
.367 (9.32)
.387 (9.83)
.048 (1.22)
.009 (.23)
.053 (1.35)
.032 (.81)
.037 (.94)
.125 (3.18)
.145 (3.68)
-D-
Notes:
1. Controlling dimensions are 
 inches. Millimeter sizes are 
 shown in parentheses.
2. Dimensions shown do not 
 include mold flash or other 
 protrusions. Mold flash or 
 protrusions shall not exceed 
 .006 (.15) on any side.
3. Pin locations start with Pin 1, 
 and continue counter-clock 
 Pin 8 when viewed from the 
 top. Pin 6 is omitted.
4. Minimum metal to metal 
 spacing at the package body 
 for the omitted lead location 
 is .137 inch (3.48 mm).
5. Lead width measured at 
 package body. 
6. D and E are referenced 
 datums on the package 
 body.
.057 (1.45)
.068 (1.73)
(NOTE 5)
E S
.100 (2.54) (BSC)
.372 (9.45)
.240 (6.10)
.388 (9.86)
.260 (6.60)
.010 (.25)
-E-
Pin 1
D S
.004 (.10)
⊕
⊕
G08B
.420
.046
.060
.060
.046
.080
Pin 1
.086
.186
.286
Solder Pad Dimensions










