MODEL SMHP
SMHP Series
•
20W High Power Resistors
•
TO-263 Surface Mount
•
RoHS Compliant.
•
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.
•
Suitable for board mounting with either solder or clip.
•
High frequency emitter resistors in switching
power supplies.
•
High precision CRT colour video amplifiers.
•
High frequency snubber and pulse handling circuits.
•
Pulse generator load resistors.
•
In-rush current protection.
•
Bleeder Resistors.
Electrical
ITEMS
Power Rating
Thermal Resistance
Resistance Range
Nominal Resistance Series
TCR (ppm/°C)
Tolerance
Operation Temperature Range
Maximum Operating Voltage
Dielectric Withstanding Voltage
Load Life
Humidity
Temperature Cycle
Soldering Heat (Max.)
Solderability
Insulation Resistance
Vibration
0.01 - 0.09Ω
E6
250
±5%
SPECIFICATION
20 watt
2.0 watt
3.3°C/ W
0.1 - 9.1Ω
E24
100
±1% & ±5%
-55°C to +155°C
500V or
√PR
2000 Vdc
ΔR
= ±1% +0.5Ω
ΔR
= ±1% +0.5Ω
ΔR
= ±1% +0.5Ω
ΔR
= ±1% +0.5Ω
Minimum 90% Coverage
Over 1,000 MegΩ
ΔR
= ±0.25% +0.5Ω
60 Seconds
25°C, 90 min ON, 30 min OFF, 1000 Hours
40°C, 90 - 95%RH,DC 0.1W, 1000 Hours
-55°C, 30 min, +155°C, 30 min, 5 cycles
250 ± 5°C, 3 seconds
230 ± 5°C, 3 seconds
Between Terminals and Tab
10 - 220Ω
E24
50
±1%
TEST CONDITIONS
-55°C to +25°C Flange Temperature
Without Heatsink
Resistor Hotspot to Flange
Up to 51KΩ also available
Including 2.5Ω and 5.0Ω
For -55°C to +155°C
Notes:
1. Electrically isolated metal tab.
2. Contact Factory for custom products, non-standard values and tolerances
3. Current Rating: 25A Maximum.
General Note
TT electronics reserves the right to make changes in product specification without notice or liability.
All information is subject to TT electronics’ own data and is considered accurate at time of going to print.
www.bitechnologies.com www.irctt.com www.welwyn-tt.com
© TT electronics plc
04.12
MODEL SMHP
½
SMHP Series
Dimensions (mm)
½
½
½
SMHP
½
½½
½
½
½
A
B
C
D
10.1
± 0.2
½
½
½
½
½
10.3
± 0.2
4.5
5.0
± 0.2
± 1.0
E
2.2
0.2
±
½
2.75
±
G
0.2
H
J
F
2.5
± 0.5
0.5
± 0.05
½
½
0.75
± 0.05
K
1.5
± 0.05
½
L
M
5.08
1.5
± 0.10
± 0.05
Tape Dimensions & Orientation
½
General Note
TT electronics reserves the right to make changes in product specification without notice or liability.
All information is subject to TT electronics’ own data and is considered accurate at time of going to print.
www.bitechnologies.com www.irctt.com www.welwyn-tt.com
© TT electronics plc
04.12
MODEL SMHP
SMHP Series
Derating Curve
½
Temperature Rise
½
½
FR4 Thermal PCB Characterisation
Pad Dimensions (x,y mm)
P
90°C, 35μm
(W)
4.5
50,40
45,35
40,30
35,25
20,10
4
3.5
3
2
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, 35μm (W) is power when the measurement point reaches 90°C.
Notes:
Ordering Information
Model
SMHP 20 500 F T13
½
½
Resistance Code:
Tape & Reel:
½
½
0.1Ω : 0R100
13” Reel (500
½
pcs per reel)
½
50Ω
: 500
½
½
First two digits significant, last digit denotes
Tolerance:
½
½
number of trailing zeros
J = 5% Tolerance
F
= 1% Tolerance
General Note
TT electronics reserves the right to make changes in product specification without notice or liability.
All information is subject to TT electronics’ own data and is considered accurate at time of going to print.
www.bitechnologies.com www.irctt.com www.welwyn-tt.com
04.12
© TT
electronics plc
PCB设计
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