RTO20 Datasheet, PDF (1/4 Pages) Vishay Siliconix – Power Resistors Thick Film Technology

RTO 20
Vishay Sfernice
Power Resistors Thick Film Technology
The well known TO 220 package is compact and easy to
mount.
DIMENSIONS in millimeters
RTO 20F - LEADED
4.5
10.1
Ø 3.6
1.3
FEATURES
• 20 W at 25 °C Heatsink Mounted
• High Power Dissipation to size ratio
• Wide Resistance Range from 0.01 Ω to 1 MΩ
• Negligible Inductance
• Easy Mounting
• TO 220 package: Compact and easy to mount
RoHS
COMPLIANT
Two versions of this thick film resistor are available:
• A Radial Leaded version for PCB Mounting
• A Flat Lead version for Surface Mounting
RTO 20C - FOR SURFACE MOUNTING
10.1
Ø 3.6
4.5
1.3
12.5 ¹⁵
8.8
13.7
Ø 0.8
2.5
5.08
• Tolerance unless otherwise specified: ± 0.4 mm
12.5 ¹⁵
1.6
5.08
8.8
2
3
0.3
• Only for RTO 20 version C = during surface mount soldering temperature profile
must not cause the metal tab of this device to exceed 220 °C.
MECHANICAL SPECIFICATIONS
Mechanical Protection
Resistive Element
Connections
Weight
Insulated Case
Thick Film
Tinned copper
2.2 g 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
Flammability
IEC 60695-11-5
2 applications 30 s seperated
by 60 s
ELECTRICAL SPECIFICATIONS
Resistance Range
0.010 Ω to 1 MΩ serie E24
Tolerances (Standard)
± 1 % to ± 10 %
Dissipation and
Associated:
Onto a heatsink
Thermal Resistance
and Nominal Power
20 W at + 25 °C
R_TH(j-c): 6.5 °C/W
free air:
2 W at + 25 °C
Temperature Coefficient
See Performance table
Standard (- 55 °C; + 150 °C)
± 150 ppm/°C
Limiting Element Voltage
250 V
Dielectric Strength
MIL STD 202
2000 V_RMS - 1 min - 10 mA Max
(Between Terminals and Heatsink)
Insulation Resistance
≥ 10⁶ MΩ
Inductance
≤ 0.1 µH
Critical Resistance
3.12 kΩ
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For technical questions, contact: [e-mail]
Document Number: 50005
Revision: 05-Jun-07