參數(shù)資料
型號： MJE18008BA
廠商： ON SEMICONDUCTOR
元件分類： 功率晶體管
英文描述： 8 A, 450 V, NPN, Si, POWER TRANSISTOR
封裝： PLASTIC, TO-220AB, 3 PIN
文件頁數(shù)： 64/65頁
文件大?。?/td> 503K
代理商： MJE18008BA
MJE18008 MJF18008
3–749
Motorola Bipolar Power Transistor Device Data
MOUNTED
FULLY ISOLATED
PACKAGE
LEADS
HEATSINK
0.110
″ MIN
Figure 22a. Screw or Clip Mounting Position
for Isolation Test Number 1
* Measurement made between leads and heatsink with all leads shorted together
CLIP
MOUNTED
FULLY ISOLATED
PACKAGE
LEADS
HEATSINK
CLIP
0.107
″ MIN
MOUNTED
FULLY ISOLATED
PACKAGE
LEADS
HEATSINK
0.107
″ MIN
Figure 22b. Clip Mounting Position
for Isolation Test Number 2
Figure 22c. Screw Mounting Position
for Isolation Test Number 3
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
constant 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, Motorola does not recommend exceeding 10
in . lbs of mounting torque under any mounting conditions.
Figure 23. Typical Mounting Techniques
for Isolated Package
Figure 23a. Screw–Mounted
Figure 23b. Clip–Mounted
MOUNTING INFORMATION**
** For more information about mounting power semiconductors see Application Note AN1040.
相關(guān)PDF資料
PDF描述
MJE18008BU 8 A, 450 V, NPN, Si, POWER TRANSISTOR
MJE18008BS 8 A, 450 V, NPN, Si, POWER TRANSISTOR
MJE18008AK 8 A, 450 V, NPN, Si, POWER TRANSISTOR
MJE18008AN 8 A, 450 V, NPN, Si, POWER TRANSISTOR
MJE18008BV 8 A, 450 V, NPN, Si, POWER TRANSISTOR
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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