Carbon Composition

Resistor

IBT Series

• 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

Resistance Temperature Characteristics

Resistance Range

-55°C

-105°C

Maximum percent resistance

change from room temperature

(+25°C) value

under 1K

1K to 9.1 K

10K to 91K

100K to 910K

1 meg to 10 meg

+2.0 to +5.0

+5.0 to +9.0

+8.0 to +11.0

+10.0 to +14.0

13.0 to +20.0

-4.0 to -2.0

-5.0 to -3.0

-7.0 to -5.0

-9.0 to -7.0

-14.0 to -9.0

Dimensions (Inches and (mm))

IRC Type

A

B

C

D

IBT 1/4

1.18 ± 0.12

(30.00 ± 3.0)

0.248 ± 0.028

(6.3 ± 0.70)

0.024 ± 0.002

(0.60 ± 0.05)

0.094 ± 0.004

(2.40 ± 0.10)

IBT 1/2

1.1 ± 0.12

(28.00 ± 3.0)

0.374 + 0.032 / -0.028

(9.50 + 0.80 / -0.70)

0.0275 ± 0.002

(0.70 ± 0.05)

0.142 ± 0.008

(3.6 ± 0.20)

IBT 1

1.02 ± 0.12

(26.00 ± 3.0)

0.56 ± 0.03

(14.3 ± 0.7)

0.04 ± 0.002

(0.9 ± 0.05)

0.22 ± 0.01

(5.7 ± 0.3)

Physical Data

B

C

A

A

D

PACKAGING:

5000/reel

1000/bulk

Sample Part No.

IRC Type

(IBT1/4, IBT1/2, or IBT1)

Resistance Value

(First two significant figures plus third digit multiplier)

Example: 223 = 22 KΩ

510 = 51 Ω

2R0 = 2.0 Ω

Tolerance

J = ±5.0% K = ±10%

LF

Provides clear "Lead Free" Designation

Packaging Type

Lead Tape = LTR Bulk = Blank

Ordering Data

IBT1

203

J

LF

LTR

IBT Series

Carbon Composition Resistor

IBT Series Issue September 2010 Sheet 2 of 2

Make Possible

12.14

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

IBT1 is OBSOLETE

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