BOARD LEVEL
HEAT SINKS
BOARD LEVEL
HEAT SINKS
BOARD LEVEL POWER SEMICONDUCTOR HEAT SINKS
217 SERIES
SURFACE MOUNT HEAT SINKS
D2PAK; TO-220; SOT-223; SOL-20
Compatible with surface mount technology (SMT) automated production techniques for ease of assembly
and a variety of soldering methods, these heat sinks allow greater packaging densities and reduction in
PC-board area, increasing the power dissipation of surface mount devices (SMDs) while maintaining and
improving manufacturers’ component thermal specifications.
217 SERIES
SURFACE MOUNT HEAT SINKS
D2PAK; TO-220; SOL-20
MECHANICAL DIMENSIONS
BOARD LAYOUT RECOMMENDATIONS
TUBE DETAILS
FEATURES AND BENEFITS
• No interface material is needed
• Copper with matte tin plating for improved solderability and assembly
• Both the component and the heat sink are installed on the PC-board utilizing
standard SMT assembly equipment for ”Tape & Reel” and “Tube” formats
• EIA standards and ESD protection are specified
• Can be used with water soluble or no clean SMT solder creams or other pastes
Package
Quantity
1
20
250
Thermal Performance at Typical Load
Natural
Forced
Convection
Convection
55°C @ 1W
16.0°C/W @ 200 LFM
55°C @ 1W
16.0°C/W @ 200 LFM
55°C @ 1W
16.0°C/W @ 200 LFM
Material: Copper, Matte Tin Plated
Tube: 16.25 Inches Long,
Min. esd Material with
Nail Stops
20 Pieces per Tube
217-36CTT6
MECHANICAL DIMENSIONS
THERMAL PERFORMANCE
6 LAYER BOARD, D’ PAK
125°C LEAD, 40°C AMBIENT
SOL 20
REF: JEDEC TO-263 (DD PAK)
REF: JEDEC MO-169 (DD PAK)
Dimensions: in.
Device Tab dT, C
218 SERIES
Standard
P/N
SURFACE MOUNT HEAT SINK
Height Above
PC Board
in. (mm)
Maximum
Footprint
in. (mm)
.40 (10.2)
.40 (10.2)
.90 (22.9) x .315 (8.0)
1.03 (26.2) x .50 (12.7)
218-40CTE3
218-40CTE5
Device Power Dissipation. W
62°C rise @ 2W
62°C rise @ 2W
Device + HS, NC Device + HS, 100 lfm
Device + HS, 200 lfm Device + HS, 300 lfm
AIR VELOCITY (LFM)
200
400
600
AIR VELOCITY (LFM)
800
100
1000
25
80
20
60
15
40
10
20
5
0
0
200
0.5
400
1.0
600
1.5
800
2.0
0
1000
2.5
0
HEAT SINK TEMPERATURE RISE
ABOVE AMBIENT AIR (C)
HEAT SINK TEMPERATURE RISE
ABOVE AMBIENT AIR (C)
0
NOTES
1. Material to be “ESD”
2. Approximately 6 Meters per Reel
3. 250 Pieces per Reel.
200
100
1000
25
80
20
60
15
40
10
20
5
0
218-40CT3
200
0.5
wakefield-vette.com
SINK TEMPERATURE RISE
OVE AMBIENT AIR (C)
0
80
60
40
20
200
400
600
400
1.0
Solid line = 218-40CT5
218-40CT5
800
600
1.5
800
2.0
0
1000
2.5
800
Dashed Line = 218-40CT3
AIR VELOCITY (LFM)
AIR VELOCITY (LFM)
100
600
HEAT DISSIPATED (WATTS)
1000
20
18
16
14
12
10
8
6
4
0
SINK TEMPERATURE RISE
BOVE AMBIENT AIR (C)
TAPE DETAILS
400
0
HEAT DISSIPATED (WATTS)
217-36CTR6
REEL DETAILS
21°C/W @ 200LFM
21°C/W @ 200LFM
NATURAL AND FORCED
CONVECTION CHARACTERISTICS
Device only, NC
Dimensions: in.
46
Thermal
Performance at Typical Load
Natural Convection
Forced Convection
MECHANICAL DIMENSIONS
THERMAL RESISTANCE SINK TO
AMBIENT (C)
KEY:
SMT Devices
Material: Copper, Matte Tin Plated
SECTION A-A
217-36CT6
217-36CT6
THERMAL RESISTANCE SINK TO
AMBIENT (C)
Package
Format
Bulk
Tube
Tape & Reel
Contact us: (603) 635-2800
100
200
400
600
800
1000
10
80
8
60
6
40
4
20
2
MAL RESISTANCE SINK TO
AMBIENT (C)
Height Above
PC Board
Dimensions
in. (mm)
in. (mm)
.360 (9.1)
.600 (15.2) x .740 (18.8)
.360 (9.1)
.600 (15.2) x .740 (18.8)
.360 (9.1)
.600 (15.2) x .740 (18.8)
AL RESISTANCE SINK TO
AMBIENT (C)
Footprint
Standard
P/N
217-36CTE6
217-36CTTE6
217-36CTRE6
47
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