Datasheet

Document Number: 50005
Revision 14-Jan-05
www.vishay.com
14
RTO 20
Vishay Sfernice
For technical questions, contact [e-mail]
Power Resistor Thick Film Technology
FEATURES
• 20 Watt at 25°C Heatsink Mounted
• High Power Dissipation to size ratio
• Wide Resistance Range
• Negligible Inductance
• Easy Mounting
• TO220 package: Compact and easy to mount.
Two versions of this thick film resistor are available:
• A Radial Leaded version for PCB Mounting.
• A Flat Lead version for Surface Mounting.
• Tolerance unless otherwise specified: ± 0.4mm
RTO 20F - LEADED RTO 20C - FOR SURFACE MOUNTING
4.5
1.3
8.8
Ø 0.8
10.1
13.7
12.5
5.08
15
Ø 3.6
2.5
4.5
1.3
8.8
10.1
12.5
5.08
15
Ø 3.6
0.3
1.8
3
2
The well known TO 220 package is compact and easy to
mount.
DIMENSIONS in millimeters
MECHANICAL SPECIFICATIONS
Mechanical Protection Insulated Case
Resistive Element Thick Film
Connections Tinned copper
Weight
2g max.
DIMENSIONS
Standard Package TO 220
Insulated case
ENVIRONMENTAL SPECIFICATIONS
Temperature Range - 55°C to + 155°C
Climatic Category
55/155/56
Sealing Sealed container
Solder immersion
Resistance Range 0.010Ω to 1MΩ
Tolerances (Standard)
± 1% to ± 10%
Dissipation and Associated:
Onto a heatsink
Thermal Resistance
20W at + 25°C
and Nominal Power RTH (j-c): 6.5°C/W
free air:
2W at + 25°C
Temperature Coefficient
See Performance table
Standard ± 150ppm/°C
Limiting Element Voltage 250V
Dielectric Strength
2000VRMS - 1 minute - 10mA Max
MIL STD 202 (Between Terminals and Heatsink)
Insulation
Resistance ≥ 10
6
MΩ
Inductance
≤ 0.1 µH
Critical Resistance
3.12 kΩ
ELECTRICAL SPECIFICATIONS