LTO-50 Datasheet, PDF (1/5 Pages) Vishay Siliconix – Power Resistor Thick Film Technology

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LTO 50
Vishay Sfernice
Power Resistor Thick Film Technology
LTO series are the extension of RTO types. We used the
direct ceramic mounting design (no metal tab) of our RCH
power resistors applied to semiconductor packages.
DIMENSIONS in millimeters
10.4
FEATURES
• 50 W at 25 °C case temperature heatsink
mounted
• Direct mounting ceramic on heatsink
• Broad resistance range: 0.010 Ω to 550 kΩ
• Non inductive
• TO-220 package: Compact and easy to mount
• Material categorization: for definitions of compliance
please see www.vishay.com/doc?99912
3.2
3.2
Ø 3.2
16.2
1.3 3.5
0.8
12.7
0.6
1.8
5.08
Note
• Tolerances unless stated: ± 0.3 mm.
STANDARD ELECTRICAL SPECIFICATIONS
MODEL
SIZE
RESISTANCE
RANGE
Ω
RATED POWER
P_{25 °C}
W
LIMITING ELEMENT
VOLTAGE U_L
V
TOLERANCE
±%
TEMPERATURE
COEFFICIENT
± ppm/°C
CRITICAL
RESISTANCE
Ω
LTO 50
TO-220 0.010 to 550K
50
500
1, 2, 5, 10 150, 250, 700, 900
5K
MECHANICAL SPECIFICATIONS
Mechanical Protection
Molded
Resistive Element
Thick film
Substrate
Alumina
Connections
Tinned copper
Weight
2 g max.
Mounting Torque
1 Nm
ENVIRONMENTAL SPECIFICATIONS
Temperature Range
-55 °C to +150 °C
Climatic Category
55 / 155 / 56
Flammability
IEC 60695-11-5
2 applications 30 s
separated by 60 s
TECHNICAL SPECIFICATIONS
Dissipation and Associated
Onto a heatsink
Power Rating and
Thermal Resistance
of the Component
50 W at +25 °C (case temp.)
R_{TH (j - c)}: 2.5 °C/W
Free air:
2.5 W at +25 °C
Temperature Coefficient
See Performance table
Standard
± 150 ppm/°C
Dielectric Strength
MIL STD 202
1500 V_RMS - 1 min
10 mA max.
Insulation Resistance
≥ 10⁴ MΩ
Inductance
≤ 0.1 μH
Revision: 09-Dec-15
1
Document Number: 50050
For technical questions, contact: [e-mail]
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000