SEE LAYOUT DIAGRAM
V12
M1194
PRODUCTION NOTES
1. PCBSA: Apply thermal grease evenly between the large inner and outter heatsinks.
2. PCBSA: Use three 8829 screws to align and attach the large heatsinks to the board.
3. PCBSA: When assembling heatsinks to Q20A, Q20B, Q21A, Q21B and Q37,
ensure heatsinks are straight and sitting flat against board. Add a very small
amount of RTV between heatsink and board if necessary. This prevents
the heatsink from shorting other components.
4. PCBSA: Fill the open space around Q36B, Q7B, Q7A, Q36A with thermal grease
after wave soldering.
5. PCBSA: Inspect tabs after solder wave and retouch if necessary for a solid solder joint.
Advise PENG if soldering quality of the tabs is poor or not consistent.
Outer heatsink
TO220 parts
8841
8581
PCB
8833 screw
Inner heatsink
4022 - Sil pad
3977 - Yellow spring
4XTO220-MTG
PCB
8581
8841
4125 - Sil pad
3719 - Spring
8833 screw
Inner heatsink
Outer heatsink
TO218 parts
2XTO218-MTG
3501
8701
TO126 Device
3894
8865
TO126_V_HS_MTG
Содержание 1 Series
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Страница 80: ...M1194 M1194 M1194 USE 2 OZ COPPER BlankSize 17900x10625 V10 00 Bottom...
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