参数资料
型号: MJF6107
厂商: ON SEMICONDUCTOR
元件分类: 功率晶体管
英文描述: 7 A, 70 V, PNP, Si, POWER TRANSISTOR
封装: ISOLATED TO-220, 3 PIN
文件页数: 6/8页
文件大小: 102K
代理商: MJF6107
MJF6107
http://onsemi.com
6
MOUNTED
FULLY ISOLATED
PACKAGE
LEADS
HEATSINK
0.110" MIN
Figure 13. Clip Mounting Position
for Isolation Test Number 1
*Measurement made between leads and heatsink with all leads shorted together
CLIP
0.107" MIN
LEADS
HEATSINK
0.107" MIN
Figure 14. Clip Mounting Position
for Isolation Test Number 2
Figure 15. 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 4–40 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 4–40 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 16. Typical Mounting Techniques*
MOUNTING INFORMATION
** For more information about mounting power semiconductors see Application Note AN1040.
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