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參數(shù)資料
| 型號： | MURF820 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 整流器 |
| 英文描述： | 8 A, 200 V, SILICON, RECTIFIER DIODE, TO-220 |
| 文件頁數(shù)： | 3/4頁 |
| 文件大?。?/td> | 81K |
| 代理商： | MURF820 |
MURF820
3
Rectifier Device Data
TEST CONDITIONS FOR ISOLATION TESTS*
MOUNTED
FULLY ISOLATED
PACKAGE
LEADS
HEATSINK
0.110
″ MIN
Figure 3. 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 4. Clip Mounting Position
for Isolation Test Number 2
Figure 5. Screw Mounting Position
for Isolation Test Number 3
MOUNTING INFORMATION**
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 package. 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 6. Typical Mounting Techniques
6a. Screw–Mounted
6b. Clip–Mounted
**For more information about mounting power semiconductors see Application Note AN1040.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MURF820/D | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:SWITCHMODE Ultrafast Power Rectifier |
| MURF830 | 制造商:DIOTECH 制造商全稱:DIOTECH 功能描述:SUPER FAST RECOVERY SILICON RECTIFIER |
| MURF840 | 制造商:DIOTECH 制造商全稱:DIOTECH 功能描述:SUPER FAST RECOVERY SILICON RECTIFIER |
| MURF860 | 制造商:DIOTECH 制造商全稱:DIOTECH 功能描述:SUPER FAST RECOVERY SILICON RECTIFIER |
| MURF860G | 功能描述:整流器 8A 600V UFR TO-220FP RoHS:否 制造商:Vishay Semiconductors 產(chǎn)品:Standard Recovery Rectifiers 配置: 反向電壓:100 V 正向電壓下降: 恢復(fù)時間:1.2 us 正向連續(xù)電流:2 A 最大浪涌電流:35 A 反向電流 IR:5 uA 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DO-221AC 封裝:Reel |
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