Carbon Composition

Resistor

IBT Series

Meets performance standards of EIA RS-172

Hot molded process for product uniformity

Ideal for pulse-loaded handling

Non-inductive design

General Note

IRC reserves the right to make changes in product specification without notice or liability.

All information is subject to IRC’s own data and is considered accurate at time of going to print.

A subsidiary of

TT electronics plc

• 4222 South Staples Street • Corpus Christi Texas 78411 USA

Wire and Film Technologies Division

Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com

IBT Series

Carbon Composition Resistor

Electrical Data

Tested Per MIL-STD-202

IBT 1/4

IBT 1/2

Power Rating

Determined by load life test 100% load @ 70°C ambient

1/4W

1/2W

Rated Continuous Working Voltage (RCWV)

P x R or 250 volts

whichever is less

P x R or 350 volts

whichever is less

Maximum Ambient Temperature

Resistors derated to zero load at this temperature

±130°C

±130°C

Nominal Resistance Range

1Ω - 5.6 megΩ

1Ω - 20 megΩ

Standard Resistance Tolerances

±5%, ±10%

±5%, ±10%

Dielectric Withstand Voltage

Atmospheric Pressure

Barometric pressure 3.4" Hg 115 millibars

500V

325V

700V

450V

Insulation Resistance

(min.)

10,000 meg

10,000 meg

Voltage Coefficient of Resistance

% resistance change/volt at 10% and (min.)

100% RCWV for values 1K to 20 meg (max.)

-.005%

-.032%

-.005%

-.032%

Short-Time Overload

Maximum Voltage

Apply 2.5 times RCWV at maximum

Typical resistance change

Indicated for 5 seconds

Maximum resistance change

700V

±0.5%

±2%

700V

±0.5%

±2%

IBT Series Issue September 2010 Sheet 1 of 2

Make Possible

Resistors

All parts are Pb-free and comply with EU Directive 2011/65/EU (RoHS2)

4.15

General Note

TT Electronics reserves the right to make changes in product specification without notice or liability.

All information is subject to TT Electronics’ own data and is considered accurate at time of going to print.

© TT Electronics plc

www.ttelectronicsresistors.com