C&H Technology LTO30 User Manual
6121 Baker Road,
Suite 108
Minnetonka, MN 55345
www.chtechnology.com
Phone (952) 933-6190
Fax (952) 933-6223
1-800-274-4284
Thank you for downloading this document from C&H Technology, Inc.
Please contact the C&H Technology team for the following questions -
Technical ● Application ● Assembly ● Availability ● Pricing
Phone – 1-800-274-4284
E-Mail – sales@chtechnology.com
www.chtechnology.com - SPECIALISTS IN POWER ELECTRONIC COMPONENTS AND ASSEMBLIES
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Vishay Sfernice
30 W Power Resistor Thick Film Technology
FEATURE
• 30 W at 25 °C case temperature heatsink
mounted
• Direct mounting ceramic on heatsink
• Broad resistance range: R010 to 550K
• Non inductive
• TO-220 package: Compact and easy to mount
LTO 30
RoHS
COMPLIANT
LTO series are the extension of RTO types. We used the
• RoHS compliant
direct ceramic mounting design (no metal tab) of our RCH
power resistors applied to semiconductor packages.
DIMENSIONS in millimeters
10.4
3.2
Ø 3.2
1.3
3.5
0.8
5.08
MECHANICAL SPECIFICATIONS
Mechanical Protection Molded
Resistive Element Thick film
Substrate Alumina
Connections Tinned copper
Weight 2 g max.
Mounting Torqure 1 Nm
DIMENSIONS
Standard Package TO-220 isolated case
ENVIRONMENTAL SPECIFICATIONS
Temperature Range - 55 °C to + 155 °C
Climatic Category 55/155/56
Flammability IEC 60695-11-5
2 applications 30 s
separated by 60 s
Document Number: 50049 For technical questions, contact: sfer@vishay.com
Revision: 16-Oct-08 1
3.2
16.2
12.7
0.6
1.8
• Tolerance unless otherwise specified: ± 0.3 mm
ELECTRICAL SPECIFICATIONS
Resistance Range 0.010 Ω to 550 kΩ
Tolerances (Standard) ± 1 % to ± 10 %
Dissipation and Associated Onto a heatsink
Power Rating and
Thermal Resistance
of the Component
Temperature Coefficient See Performance table
Standard ± 150 ppm/°C
Limiting Element Voltage U
Dielectric Strength
MIL STD 202
Insulation Resistance ≥ 10
Inductance ≤
Critical Resistance 2.08 kΩ
30 W at + 25 °C (case temp.)
R
(j - c): 4.2 °C/W
TH
Free air:
2.25 W at + 25 °C
L
250 V
1500 V
10 mA max.
RMS
- 1 min
4
MΩ
0.1 µH
www.vishay.com
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