Datasheet

LTO 100
www.vishay.com
Vishay Sfernice
Revision: 04-Apr-2019
1
Document Number: 50051
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
Power Resistor Thick Film Technology
DESIGN SUPPORT TOOLS AVAILABLE
FEATURES
• 100 W at 25 °C case temperature heatsink
mounted
• Direct mounting ceramic on heatsink
• Broad resistance range: 0.015  to 1 M
• Non inductive
• TO-247 package: compact and easy to mount
• AEC-Q200 qualified
• Material categorization: for definitions of compliance
please see www.vishay.com/doc?99912
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.
Note
• Tolerances unless stated: ± 0.3 mm
3
3
D
D
3
D
3D Models
DIMENSIONS in millimeters
STANDARD ELECTRICAL SPECIFICATIONS
MODEL SIZE
RESISTANCE
RANGE

RATED POWER
P
25 °C
W
LIMITING ELEMENT
VOLTAGE U
L
V
TOLERANCE
± %
TEMPERATURE
COEFFICIENT
± ppm/°C
CRITICAL
RESISTANCE

LTO 100 TO-247 0.015 to 1 M 100 500 1, 2, 5, 10 200, 350, 900 2.5 K
5.0
20.7
15.76
2.4
10.16
0.6
3.5
3.6
1.5
14.5
Ø 3.6
5.33
MECHANICAL SPECIFICATIONS
Mechanical Protection Molded
Resistive Element Thick film
Substrate Alumina
Connections Tinned copper
Weight 3.5 g max.
Mounting Torque 1 Nm
ENVIRONMENTAL SPECIFICATIONS
Temperature Range -55 °C to +175 °C
Climatic Category 55 / 175 / 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
100 W at +25 °C (case temp.)
R
TH (j - c)
: 1.5 °C/W
Free air:
3.5 W at +25 °C
Temperature Coefficient
See Performance table
± 150 ppm/°C
Dielectric Strength 
MIL STD 202
3000 V
RMS
- 1 min
10 mA max.
Insulation Resistance  10
4
M
Inductance  0.1 μH