below which the device will not enter secondary breakdown.
Collector load lines for specific circuits must fall within the
applicable Safe Area to avoid causing a catastrophic failure.
To insure operation below the maximum T
J
,
power−temperature derating must be observed for both
steady state and pulse power conditions.
Figure 4. Active Region Safe Operating Area
http://onsemi.com
3
MJ4502
PACKAGE DIMENSIONS
TO−204 (TO−3)
CASE 1−07
ISSUE Z
A
N
C
E
D
2 PL
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
3. ALL RULES AND NOTES ASSOCIATED WITH
REFERENCED TO-204AA OUTLINE SHALL APPLY.
INCHES
MIN
MAX
1.550 REF
---
1.050
0.250
0.335
0.038
0.043
0.055
0.070
0.430 BSC
0.215 BSC
0.440
0.480
0.665 BSC
---
0.830
0.151
0.165
1.187 BSC
0.131
0.188
MILLIMETERS
MIN
MAX
39.37 REF
---
26.67
6.35
8.51
0.97
1.09
1.40
1.77
10.92 BSC
5.46 BSC
11.18
12.19
16.89 BSC
---
21.08
3.84
4.19
30.15 BSC
3.33
4.77
−T−
K
M
SEATING
PLANE
0.13 (0.005)
U
2
T Q
M
Y
M
V
H
L
G
−Y−
B
1
−Q−
0.13 (0.005)
DIM
A
B
C
D
E
G
H
K
L
N
Q
U
V
M
T Y
M
STYLE 1:
PIN 1. BASE
2. EMITTER
CASE: COLLECTOR
ON Semiconductor
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