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

C

°

5

0

1

-

C

°

5

5

-

e

g

n

a

R

e

c

n

a

t

s

i

s

e

R

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))

D

C

B

A

e

p

y

T

C

R

I

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)

Physical Data

B

C

A

A

D

PACKAGING:

5000/reel

1000/bulk

IBT Series

Carbon Composition Resistor

IBT Series Issue September 2010 Sheet 2 of 2

Make Possible

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

Ordering Procedure

This product has two valid part numbers:

European (Welwyn) Part Number: IBT1/2-20KJI (IBT1/2, 20 kilohms ±5%, Pb-free)

I

B T

1

/

-

2

0

K J

I

1

2

3

4

USA (IRC) Part Number: IBT1/2203JLFLTR (IBT1/2, 20 kilohms ±5%, Pb-free)

I

B T

1

2

0

3

J

L

F

L

T R

/

2

1

2

3

4

5

1

2

3

4

Type

Value

Tolerance Packing & Termination Finish

IBT1/4 3/4 characters

R = ohms

K = kilohms

M = megohms

J = ±5%

I = Tape Pack & Pb-free

IBT1/2

K = ±10%

All sizes

Taped, 5000/reel

1

2

3

4

5

Type

Value

Tolerance Termination Finish

Packing

IBT1/4 2 digits + multiplier

J = ±5%

LF = Pb-free

LTR = Lead Tape

Omit for Bulk Pack

IBT1/2 R = ohms for values

<10 ohms

K = ±10%

All sizes 5000/reel

1000/bulk

2