SMHP [TTELEC]
20W TO-263 HIGH POWER SURFACE MOUNT RESISTORS; 20W TO- 263大功率贴片电阻
| 型号： | SMHP |
| 厂家： | 
TT Electronics |
| 描述： | 20W TO-263 HIGH POWER SURFACE MOUNT RESISTORS |
| 文件： | 总2页 (文件大小：791K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
20W TO-263 HIGH POWER SURFACE MOUNT
RESISTORS
Features…………………………………………………………
.
Non-Inductive, Small, 20 Watt high power resistor.
TO-263 surface mount package offering a very low thermal resistance.
Small thin package for high density PCB installation.
RoHS compliant.
Suitable for board mounting with either solder or clip.
Applications………………………………………………
………
High frequency emitter resistors in switching power supplies.
High precision CRT color video amplifiers.
High frequency snubber and pulse handling circuits.
Pulse generator load resistors.
In-rush current protection
Bleeder Resistors
Specification
Dimensions (mm)
10.6max
4.5
10.6max
12.7
1.5
1.6+/-0.2
SMHP
0.75
0.5
2.7
2.03
1.5
5.08
1.4+/-0.2
5.08
Tolerances +/-0.1 unless otherwise marked
Specifications subject to change without notice
Items
Power Rating
Power Rating
Specification
20 Watt
Test Conditions
-55°C to 25°C flange temperature
Without heatsink
2.25 Watt
Thermal Resistance
3.3°C/W
0.1-9.1 Ω
E12
Resistor hot spot to flange
Up to 51KΩ also available
Including 2.5Ω and 5.0 Ω
For -55°C to +155 °C
Resistance Range
Nominal Resistance Series
TCR(ppm/°C)
0.01-0.09 Ω
10-220 Ω
E24
E6
250
100
50
Tolerance
+/-5%
+/-1% & +/-5%
-55°C to+155°C
+/-1%
Operation Temp. Range
Max. Operating Voltage
Dielectric Withstanding Voltage.
Load Life
Humidity
Temp. Cycle
500V or
P ⋅ R
2000 V DC
60 seconds.
∆R +/- (1.0% + 0.05 Ω)
∆R +/- (1.0% + 0.05 Ω)
∆R +/- (0.25% + 0.05 Ω)
∆R +/- (0.1 %+0.05 Ω)
Min. 90% coverage
25°C, 90 min.ON, 30min. OFF, 1000hours.
40°C, 90-95%RH, DC 0.1W, 1000 hours.
-55°C,30 min.,+155°C,30 min., 5cycles
250+/-5°C, 3seconds,
Soldering Heat (Max)
Solderability
230+/-5°C, 3seconds.
Between terminals and tab.
Insulation Resistance
Vibration
Over 1,000 Meg Ω
∆R +/- (0.25% + 0.05 Ω)
Notes:
1. Electrically isolated metal tab.
2. Contact factory for custom products, non-standard values and tolerances.
3. Current rating: 25A maximum.
1
SMHP 20
20W TO-263 HIGH POWER RESISTORS
Temperature Rise
Derating Curve
% Power
Temperature rise (°C)
120
.
100
+25 °C
100
80
60
40
20
0
80
60
40
20
+155 °C
0
0
-50
0
50
100
150
200
10
20
Applied Power (W)
30
Flange Temperature (°C)
Tape Dimensions and Orientation
16.0
5.0
0.4
4.0
2.0
10.8
Reel Dimension:
Reel Orientation:
Outer Diameter: 300 mm
Units to be orientated with Pins facing Sprocket Holes
Inner Diameter: 100 mm
Width: 23.9 mm min. 27.4 mm max
Quantity: 500pcs/reel
x mm
FR4 Thermal PCB Characterisation
Pad Dimensions (x,y mm)
P90 °C, 35um (W)
Temperature
measurement
50, 40
45, 35
40, 30
35, 25
20, 10
4.5
4
3.5
3
y mm
2
Notes: Characterisation carried out using 35µm PCB copper pad weights, with the temperature of 90°C used as a maximum
reference on the PCB. P90 °C, 35um (W) is power when the measurement point reaches 90 °C
Ordering Information
SMHP 20
500
F
Model
Resistance Code
Tolerance
0.1Ω : 0R100
J = 5% Tol
F = 1% Tol
50 Ω : 500 First two digits significant, last digit: number of trailing zeros
2
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