274-3AB Wakefield Thermal Solutions, 274-3AB Datasheet - Page 3

• Manufacturer Part Number: 274-3AB
• Description: Heat Sink
• Manufacturer: Wakefield Thermal Solutions

Specifications of 274-3AB

• Packages Cooled: TO-220
• Thermal Resistance: 31°C/W
• Width: 13.2mm
• Height: 6.4mm
• Heat Sink Material: Aluminum
• Length: 19.1mm
• Mounting Type: Mounting Hole
• Package / Case: TO-220
• Color: Black
• Product: Heatsinks
• Mounting Style: Screw
• Heatsink Material: Aluminum
• Dimensions: 13.2 mm L x 19.1 mm W x 6.4 mm H
• Designed For: TO-220
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: Q5346208

BOARD LEVEL POWER SEMICONDUCTOR HEAT SINKS
All other products, please contact factory for price, delivery, and minimums.
Board Level
Heat Sinks
Dimensions: in. (mm)
MECHANICAL DIMENSIONS
233 AND 236 SERIES
MECHANICAL
DIMENSIONS
PATENT PENDING
PATENT 5381041
All versions No Tab
233-60AB
TAB
14V
TAB
13V
TAB 13H
233 AND 236 SERIES
Standard
P/N
233-60AB
233-60AB-01
233-60AB-05
233-60AB-10
236-150AB
236-150AB-01
236-150AB-05
236-150AB-10
Material: Aluminum, Black Anodized
Dimensions: in. (mm)
275 AND 231 SERIES
Standard
P/N
275-75AB
275-75AB-01
275-75AB-10
231-69PAB
231-69PAB-13H
231-69PAB-XXX
231-75PAB
231-75PAB-13H
(14V
231-137PAB
231-137PAB-13H
(15V ) 231-137PAB-XXX
Material: Aluminum, Pre-anodized Black (PAB), Anodized Black (AB)
236-150AB
) 231-75PAB-XXX
Height Above
Height Above
1.500 (38.1)
1.500 (38.1)
1.625 (41.3)
PC Board
in. (mm)
.600 (15.2)
.600 (15.2)
.725 (18.4)
.500 (12.7) 1.500 (38.1) x .570 (14.5)
.500 (12.7)
TAB 15V
1.375 (10.2)
1.375 (10.2)
.750 (34.9)
.750 (19.1)
.750 (19.1)
.875 (12.7)
.690 (18.4)
.400 (38.1)
.690 (38.1)
.750 (12.7)
.400 (41.3)
.400 (10.2)
PC Board
in. (mm)
Self-Locking Wavesolderable Heat Sinks
Compact, Stress-Free Labor-Saving Locking-Tab Heat Sinks
236-150AB-01
233-60AB-01
.570 (14.5) x .500 (12.7)
.570 (14.5) x .500 (12.7)
.570 (14.5) x .500 (12.7)
.600 (15.2) x .570 (14.5)
.570 (14.5) x .500 (12.7)
.570 (14.5) x .500 (12.7)
.570 (14.5) x .570 (12.7)
Footprint
Dimensions
Footprint
in. (mm)
1.375 (34.9) x .835 (12.7)
.835 (21.2) x .400 (12.7)
.690 (17.5) x .835 (12.7)
.835 (21.2) x .400 (12.7)
.835 (21.2) x .400 (12.7)
.835 (21.2) x .400 (14.5)
.835 (21.2) x .400 (12.7)
.835 (21.2) x .400 (14.5)
.750 (19.1) x .835 (12.7)
.835 (21.2) x .400 (12.7)
.835 (21.2) x .400 (12.7)
.835 (21.2 x .400 (12.7)
Dimensions
236-150AB-10
233-60AB-10
in. (mm)
TAB 01
TAB 13H
32
Configuration Tab Options
Vert./Horiz.
Vert./Horiz
Horizontal
Mounting
Horizontal
Vertical
Vertical
Vertical
Vetrical
Configuration Tab Options
Vert./Horiz.
Vert./Horiz.
Vert./Horiz.
Vert./Horiz.
Mounting
Horizontal
Horizontal
Horizontal
Vertical
Vertical
Vertical
Vertical
Vertical
TAB 10
275 AND 231 SERIES
Solderable
No Tab
No Tab
01
05
10
01
05
10
13V, 14V, 15V
13V, 14V, 15V
13V, 14V, 15V
Solderable
No Tab
No Tab
No Tab
No Tab
236-150AB-05
233-60AB-05
13H
13H
13H
01
10
Clip/Mtg Hole
Clip/Mtg Hole
Clip/Mtg Hole
Clip/Mtg Hole
Clip/Mtg Hole
Clip/Mtg Hole
Clip/Mtg Hole
Clip/Mtg Hole
Mounting
Style
Clip/Mtg Hole
Clip/Mtg Hole
Clip/Mtg Hole
Clip/Mtg Hole
Clip/Mtg Hole
Clip/Mtg Hole
Clip/Mtg Hole
Clip/Mtg Hole
Clip/Mtg Hole
Clip/Mtg Hole
Clip/Mtg Hole
Clip/Mtg Hole
Mounting
Style
CONVECTION CHARACTERISTICS
58°C @ 2W
Convection
58°C @ 2W
58°C @ 2W
58°C @ 2W
58°C @ 2W
58°C @ 2W
58°C @ 2W
58°C @ 2W
Thermal Performance at Typical Load
Thermal Performance at Typical Load
CONVECTION CHARACTERISTICS
CONVECTION CHARACTERISTICS
Natural
NATURAL AND FORCED
Convection
32°C @ 2W
44 C @ 2W
44°C @ 2W
44°C @ 2W
45°C @ 2W
45°C @ 2W
45°C @ 2W
43°C @ 2W
43°C @ 2W
43°C @ 2W
32°C @ 2W
32°C @ 2W
NATURAL AND FORCED
NATURAL AND FORCED
Natural
11.0°C/W @ 400 LFM
11.0°C/W @ 400 LFM
11.0°C/W @ 400 LFM
11.0°C/W @ 400 LFM
4.80°C/W @ 400 LFM
4.80°C/W @ 400 LFM
4.80°C/W @ 400 LFM
4.80°C/W @ 400 LFM
7.9°C/W @ 400 LFM
7.9°C/W @ 400 LFM
7.9°C/W @ 400 LFM
7.9°C/W @ 400 LFM
7.9°C/W @ 400 LFM
5.9°C/W @ 400 LFM
5.9°C/W @ 400 LFM
5.9°C/W @ 400 LFM
7.9°C/W @ 400 LFM
8°C/W @ 400 LFM
8°C/W @ 400 LFM
8°C/W @ 400 LFM
Convection
Forced
Convection
Normally stocked
Forced
TO-220
TO-220