680-125A Wakefield Thermal Solutions, 680-125A Datasheet - Page 3

• 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

WTS001_p1-25
BOARD LEVEL POWER SEMICONDUCTOR HEAT SINKS
24
MECHANICAL DIMENSIONS
PATENT PENDING
Board Level
Heat Sinks
Dimensions: in. (mm)
234 SERIES
MECHANICAL DIMENSIONS
234-75AB
6/14/07
Standard
P/N
230-75AB
230-75ABE-01
230-75ABE-05
230-75ABE-10
234-75AB
234-75ABE-01
234-75ABE-05
Material: Aluminum, Black Anodized
Standard
P/N
206-1PABEH
Material: Aluminum, Black Anodized
230 & 234 SERIES
206 SERIES
10:54 AM
230-75AB-01
Height Above
.750 (19.1)
.750 (19.1)
.500 (12.7)
.875 (22.2)
.790 (20.0)
.790 (20.0)
.500 (12.7)
PC Board
in. (mm)
Page 24
234-75AB-01
Vertical Mount Heat Sink
230-75AB-10
Height Above
Compact, Wavesolderable Low-Profile Self-Locking Heat Sinks
1.18 (30.0)
PC Board
in. (mm)
.570 (14.5) x .500 (12.7)
.570 (14.5) x .500 (12.7)
.750 (19.1) x .570 (14.5)
.570 (14.5) x .500 (12.7)
.570 (14.5) x .500 (12.7)
.570 (14.5) x .500 (12.7)
.790 (20.0) x .570 (14.5)
Dimensions
Footprint
in. (mm)
230 AND 234 SERIES
234-75AB-05
1.00 (25.4) x .50 (12.7)
Configuation
Vert./Horiz.
Vert./Horiz
Horizontal
Horizontal
Mounting
Maximum
Vertical
Vertical
Vertical
Footprint
in. (mm)
100
80
60
40
20
Solderable
0
230-75AB-05
Option
No Tab
No Tab
234 SERIES
0
0
Tab
01
05
10
01
05
CONVECTION CHARACTERISTICS
200
200
2
Natural Convection
NATURAL AND FORCED
56°C rise @ 4W
HEAT DISSIPATED (WATTS)
Clip/Mtg Hole
Clip/Mtg Hole
Clip/Mtg Hole
Clip/Mtg Hole
Clip/Mtg Hole
Clip/Mtg Hole
Clip/Mtg Hole
Mounting
AIR VELOCITY (LFM)
Style
400
400
4
Thermal Performance at Typical Load
CONVECTION CHARACTERISTICS
600
600
6
Thermal Performance at Typical Load
NATURAL AND FORCED
Convection
57°C @ 2W
57°C @ 2W
57°C @ 2W
57°C @ 2W
57°C @ 2W
57°C @ 2W
57°C @ 2W
Natural
800
800
8
230 SERIES
1000
1000
10
7.3°C/W @ 200LFM
Forced Convection
7.5°C/W @ 400 LFM
7.5°C/W @ 400 LFM
7.5°C/W @ 400 LFM
7.5°C/W @ 400 LFM
7.5°C/W @ 400 LFM
7.5°C/W @ 400 LFM
7.5°C/W @ 400 LFM
10
8
6
4
2
0
Convection)
Forced
TO-220
TO-220