MJF47

MJF47G
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4
I
C
, COLLECTOR CURRENT (AMPS)
100 ms
1ms
dc
3
10
V
CE
, COLLECTOR-EMITTER VOLTAGE (VOLTS)
300100
Figure 7. Maximum Forward Bias Safe
Operating Area
2
1
0.5
0.3
0.2
0.1
0.05
0.03
20 30 50 200
500 ms
CURRENT LIMIT
THERMAL LIMIT @ T
C
= 25°C
SECONDARY BREAKDOWN LIMIT
There are two limitations on the power handling ability of
a transistor: average junction temperature and second
breakdown. Safe operating area curves indicate I
C
V
CE
limits of the transistor that must be observed for reliable
operation; i.e., the transistor must not be subjected to greater
dissipation than the curves indicate.
The data of Figure 7 is based on T
J(pk)
= 150_C; T
C
is
variable depending on conditions. Second breakdown pulse
limits are valid for duty cycles to 10% provided T
J(pk)
v 150°C. T
J(pk)
may be calculated from the data in
Figure 6. At high case temperatures, thermal limitations will
reduce the power that can be handled to values less than the
limitations imposed by second breakdown.
0
T
C
, CASE TEMPERATURE (°C)
0
50
200
20
40
30
10
100 150
Figure 8. Power Derating
P
D(AV)
, AVERAGE POWER DISSIPATION (WATTS)
0
T
A
, AMBIENT TEMPERATURE (°C)
0
50 200
1
2
1.5
0.5
100 150
Figure 9. Power Derating
P
D(AV)
, AVERAGE POWER DISSIPATION (WATTS)
MJF47G
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5
MOUNTED
FULLY ISOLATED
PACKAGE
LEADS
HEATSINK
0.110" MIN
Figure 10. Clip Mounting Position
for Isolation Test Number 1
*Measurement made between leads and heatsink with all leads shorted together
CLIP
CLIP
0.099" MIN
LEADS
HEATSINK
0.099" MIN
Figure 11. Clip Mounting Position
for Isolation Test Number 2
Figure 12. Screw Mounting Position
for Isolation Test Number 3
MOUNTED
FULLY ISOLATED
PACKAGE
MOUNTED
FULLY ISOLATED
PACKAGE
LEADS
HEATSINK
TEST CONDITIONS FOR ISOLATION TESTS*
4-40 SCREW
PLAIN WASHER
HEATSINK
COMPRESSION WASHER
NUT
CLIP
HEATSINK
Laboratory tests on a limited number of samples indicate, when using the screw and compression washer mounting technique, a screw
torque of 6 to 8 in
.
lbs is sufficient to provide maximum power dissipation capability. The compression washer helps to maintain a con-
stant pressure on the package over time and during large temperature excursions.
Destructive laboratory tests show that using a hex head 440 screw, without washers, and applying a torque in excess of 20 in
.
lbs will
cause the plastic to crack around the mounting hole, resulting in a loss of isolation capability.
Additional tests on slotted 440 screws indicate that the screw slot fails between 15 to 20 in
.
lbs without adversely affecting the pack-
age. However, in order to positively ensure the package integrity of the fully isolated device, ON Semiconductor does not recommend
exceeding 10 in
.
lbs of mounting torque under any mounting conditions.
Figure 13. Typical Mounting Techniques*
MOUNTING INFORMATION
** For more information about mounting power semiconductors see Application Note AN1040.
MJF47G
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6
PACKAGE DIMENSIONS
TO220 FULLPAK
CASE 221D03
ISSUE K
STYLE 2:
PIN 1. BASE
2. COLLECTOR
3. EMITTER
DIM
A
MIN MAX MIN MAX
MILLIMETERS
0.617 0.635 15.67 16.12
INCHES
B 0.392 0.419 9.96 10.63
C 0.177 0.193 4.50 4.90
D 0.024 0.039 0.60 1.00
F 0.116 0.129 2.95 3.28
G 0.100 BSC 2.54 BSC
H 0.118 0.135 3.00 3.43
J 0.018 0.025 0.45 0.63
K 0.503 0.541 12.78 13.73
L 0.048 0.058 1.23 1.47
N 0.200 BSC 5.08 BSC
Q 0.122 0.138 3.10 3.50
R 0.099 0.117 2.51 2.96
S 0.092 0.113 2.34 2.87
U 0.239 0.271 6.06 6.88
SEATING
PLANE
T
U
C
S
J
R
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH
3. 221D-01 THRU 221D-02 OBSOLETE, NEW
STANDARD 221D-03.
B
Y
G
N
D
L
K
H
A
F
Q
3 PL
123
M
B
M
0.25 (0.010) Y
ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC owns the rights to a number of patents, trademarks,
copyrights, trade secrets, and other intellectual property. A listing of SCILLC’s product/patent coverage may be accessed at www.onsemi.com/site/pdf/PatentMarking.pdf. SCILLC
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PUBLICATION ORDERING INFORMATION
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MJF47/D
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MJF47

Mfr. #:
Manufacturer:
ON Semiconductor
Description:
Bipolar Transistors - BJT 1A 250V 28W NPN
Lifecycle:
New from this manufacturer.
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