680-125A Wakefield Thermal Solutions, 680-125A Datasheet - Page 17
680-125A
Manufacturer Part Number
680-125A
Description
HEATSINK POWER TO-3 BLK
Manufacturer
Wakefield Thermal Solutions
Series
680r
Specifications of 680-125A
Thermal Resistance
1.5 C / W
Height
1.250" (31.7mm)
Color
Black
Package Cooled
TO-3
Attachment Method
Bolt On
Outline
45.97mm x 45.97mm
Power Dissipation @ Temperature Rise
8W @ 45°C
Thermal Resistance @ Forced Air Flow
1.5°C/W @ 400 LFM
Thermal Resistance @ Natural
6°C/W
Product
Heatsinks
Mounting Style
SMD/SMT
Heatsink Material
Aluminum
Fin Style
Omnidirectional Pin
Dimensions
46 mm L x 46 mm W x 31.8 mm H
Designed For
TO-3, TO-220
Packages Cooled
TO-3 / TO-220
Width
46mm
Heat Sink Material
Aluminum
Length
46mm
Mounting Type
PC Board Through Hole
Size
1.250H X 1.810W X 1.810L"
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
345-1051
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
All other products, please contact factory for price, delivery, and minimums.
BOARD LEVEL POWER SEMICONDUCTOR HEAT SINKS
Board Level
Heat Sinks
MECHANICAL DIMENSIONS
MECHANICAL DIMENSIONS
Dimensions: in. (mm)
Dimensions: in. (mm)
626 AND 627 SERIES
Standard
P/N
626-10ABP
626-15ABP
626-20ABP
626-25ABP
Wave-solderable pins. Material: Aluminum, Black Anodized
657 SERIES
Standard
P/N
657-10ABP
657-15ABP
657-20ABP
657-25ABP
Wave-solderable pins. Material: Aluminum, Black Anodized
Height Above
PC Board “A”
1.000 (25.4)
2.000 (50.8)
1.500 (38.1)
2.500 (63.5)
High-Performance Heat Sinks for Vertical Board Mounting
in. (mm)
627-10ABP
627-15ABP
627-20ABP
627-25ABP
Standard
P/N
High-Efficiency Heat Sinks for Vertical Board Mounting
1.650 (41.9) x 1.000 (25.4)
1.650 (41.9) x 1.000 (25.4)
1.650 (41.9) x 1.000 (25.4)
1.650 (41.9) x 1.000 (25.4)
PC Board “A”
Height Above
2.500 (63-5)
1.000 (25.4)
1.500 (38.1)
2.000 (50.8)
626 AND 627 SERIES
in. (mm)
Maximum
Footprint
in. (mm)
657 SERIES
(EXTRUSION PROFILE 6533)
657 SERIES
46
1.375 (34.9) x .500 (12.7)
1.375 (34.9) x .500 (12.7)
1.375 (34.9) x .500 (12.7)
1.375 (34.9) x .500 (12.7)
Maximum
Footprint
in. (mm)
38°C @ 6W
32°C @ 6W
25°C @ 6W
Convection
41°C @ 6W
Thermal Performance at Typical Load
Natural
CONVECTION CHARACTERISTICS
CONVECTION CHARACTERISTICS
NATURAL AND FORCED
NATURAL AND FORCED
3.7°C/W @ 200 LFM
3.3°C/W @ 200 LFM
2.9°C/W @ 200 LFM
2.7°C/W @ 200 LFM
Convection
Forced
Thermal Performance at Typical Load
76°C @ 6W
65°C @ 6W
55°C @ 6W
48°C @ 6W
Convection
Natural
TO-220, TO-247, TO-218
5.8°C/W @ 200 LFM
5.5°C/W @ 200 LFM
4.7°C/W @ 200 LFM
4.2°C/M @ 200 LFM
Convection
TO-218, TO-220
Normally stocked
Forced
0.0515 (23.36)
0.0760 (34.60)
0.1030 (47.00)
0.1250 (57.00)
lbs (grams)
Weight