Brochure
99
ACCESSORIES
EUROPE
ASIA
Italy Tel: +39 051 764011 email: sales.it@aavid.com
United Kingdom Tel: +44 1793 401400 email: sales.uk@aavid.com
Singapore Tel: +65 6362 8388 email: sales@aavid.com.sg
Taiwan Tel: +886 (2) 2698-9888 email: sales@aavid.com.tw
AMERICA
USA Tel: +1 (603) 224-9988 email: info@aavid.com
www.aavidthermalloy.com
Mounting Kits
5
2
1
3
6
4
TRANSISTOR
NOT INCLUDED
5
1
2
3
7
6
4
TRANSISTOR
NOT INCLUDED
• Pre-packaged in heat-sealed plastic bags for use on assembly line.
• Stock mounting hardware using one number 
for better control and identification.
• Three different insulating materials available:
Low cost Thermalfilm
TM
High temperature Mica
High performance Thermalsil
TM
lll
• Other insulator materials available for special order include:
hard anodized aluminum and aluminum oxide.
• Individually packaged for convenient stocking and handling 
of mounting hardware. Kits contain all hardware necessary to 
electrically isolate the transistor from the heat sink.
Note: Smooth side of flat washer should be placed against insulator when using the kit.
TO-220 Mounting kit part number 4880
Part number Item Qty Description
1 1 Insulator
43-77-9 Thermalfilm
TM
(see page 101)
(56-77-9) Mica (see page 103)
(53-77-9) Thermalsil
TM
III (see page 103)
7721-7PPS 2 1 Shoulder washer
MS15795-804 3 1 Flat washer #4
No. 4-40 UNC-2B
MS35649-244 4 1 Hex nut
No. 4-40 UNC-2A X
MS51957-17 5 1 1/2 Long phillips pan head screw
MS35338-135 6 1 Lock washer, No. 4
TO-3 Mounting kit part number 4804
Part number Item Qty Description
1 1 Insulator
43-03-2 Thermalfilm
TM
(see page 101)
(56-03-2) Mica (see page 103)
(53-03-2) Thermalsil
TM
III (see page 103)
7721-5PPS 2 2 Shoulder washer
MS15795-805 3 2 Flat washer #6
MS35649-264 4 2 No. 6-32 UNC-2B
Hex nut
MS 51957-30 5 2 No. 6-32 UNC-2A X
1/2 Long phillips pan head screw
MS35338-136 6 2 Lock washer, No. 6
322-156 7 1 Solder lug
FEATURES
ORDERING INFORMATION
Note: Smooth side of flat washer should be placed against insulator when using the kit.
ORDERING INFORMATION
Mounting Kits
Part number Description
4880G Kit with Thermalfilm
TM
4880MG Kit with Mica Insulator
4880SG Kit with Thermalsil
TM
III
EACH KIT INCLUDES:
Part number Description
4804G Kit with Thermalfilm
TM
4804MG Kit with Mica Insulator
4804SG Kit with Thermalsil
TM
III
EACH KIT INCLUDES:










