MODEL SMHP 35
SMHP 35 Series
•
35W High Power Resistors
•
TO-263 Surface Mount
•
RoHS Compliant.
•
Non-Inductive, Small, 35 watt high power resistor.
•
TO-263 surface mount package offering a very low
thermal resistance.
•
Small thin package for high density PCB installation.
•
Fully RoHS reflow profile compliant.
•
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
35 watt
2 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
= ±0.25% +0.5Ω
ΔR
= ±1% +0.5Ω
Minimum 90% Coverage
Over 1,000 MΩ
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
350 ± 5°C, 3 seconds
230 ± 5°C, 3 seconds
Between Terminals and Tab
10 - 51KΩ
E24
50
±1%
Including 2.5Ω and 5.0Ω
For -55°C to +155°C
TEST CONDITIONS
-55°C to +25°C Flange Temperature
Without Heatsink
Resistor Hotspot to Flange
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 35
SMHP 35 Series
Dimensions (mm)
SMHP
A
10.1
± 0.2
B
10.3
4.5
5.0
± 0.2
± 0.2
± 1.0
C
D
E
2.2
± 0.2
F
2.5
± 0.5
H
K
L
0.5
± 0.05
G
2.75
± 0.2
J
0.75
± 0.05
1.5
5.08
± 0.05
± 0.10
Tape Dimensions & Orientation
M
1.5
± 0.05
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.
½
www.bitechnologies.com www.irctt.com www.welwyn-tt.com
© TT electronics plc
04.12
MODEL SMHP 35
SMHP 35 Series
Derating Curve
Pulse Energy Durability
FR4
Thermal PCB Characterisation
Pad Dimensions (x,y mm)
50,40
P
(W)
90°C, 35μm
4.5
4
3.5
3
2
45,35
40,30
35,25
20,10
Notes:
P90°C, 35μm (W) is power when the measurement point reaches 90°C.
Characterisation carried out using 35μm PCB Copper pad weights,
with the temperature of 90°C used as a maximum reference on the PCB.
Ordering Information
Model
SMHP 35 500 F T13
Resistance Code:
Tape & Reel:
0.1Ω : 0R100
13” Reel (500 pcs per reel)
50Ω : 500
First two digits significant, last digit denotes
Tolerance:
J = 5% Tolerance
number of trailing zeros
F = 1% Tolerance
½
½
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.
© TT
electronics plc
www.bitechnologies.com www.irctt.com www.welwyn-tt.com
½
04.12
½