RTO20 Ver la hoja de datos (PDF) - Vishay Semiconductors

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RTO20

20 W Power Resistor, Thick Film Technology, TO-220

Vishay Semiconductors 

www.vishay.com

RTO 20

Vishay Sfernice

20 W Power Resistor, Thick Film Technology, TO-220

DESIGN SUPPORT TOOLS click logo to get started

Models

Available

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  to 550 k

• Negligible inductance

• Easy mounting

• TO-220 package: compact and easy to mount

• Material categorization: for definitions of compliance

please see www.vishay.com/doc?99912

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

12.5 15

8.8

13.7

Ø 0.8

2.5

5.08

Note

• Tolerances unless stated: ± 0.4 mm

2

3

1.6

0.3

5.08

• 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.

STANDARD ELECTRICAL SPECIFICATIONS

MODEL

RTO 20

SIZE

TO-220

RESISTANCE

RANGE



0.010 to 550K (1)

RATED POWER

P25 °C

W

20

LIMITING ELEMENT

VOLTAGE UL

V

500

Note

(1) E24 series

TOLERANCE

±%

1, 2, 5, 10

TEMPERATURE

COEFFICIENT

± ppm/°C

150

CRITICAL

RESISTANCE



12.5K

MECHANICAL SPECIFICATIONS

Mechanical Protection

Insulated case

Resistive Element

Thick film

Substrate

Alumina onto base of nickel coated

copper

Connections

Tinned copper

Weight

2.2 g max.

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

separated by 60 s

Note

• Not compatible with RoHS reflow profile

TECHNICAL SPECIFICATIONS

Dissipation and

Associated

Onto a heatsink

Thermal Resistance

and Nominal Power

20 W at + 25 °C

RTH (j - c): 6.5 °C/W

Free air:

2 W at +25 °C

Dielectric Strength

MIL STD 202

Insulation Resistance

2000 VRMS - 1 min - 10 mA max.

(between terminals and heatsink)

 106 M

Inductance

 0.1 μH

DIMENSIONS

Standard Package

TO-220 insulated case

Revision: 16-Nov-17

1

Document Number: 50005

For technical questions, contact: sferfixedresistors@vishay.com

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

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