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RQB
CERAMIC ENCASED
WIRE WOUND RESISTORS

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Features
• Ohmic values from 0.1 to 100K
• Rated power from 5 to 20W
• Economical solution

GENERAL SPECIFICATIONS

Model

Wattage Rating

Resistance Range(目)

Resistance
Tolerance

Glass Fiber Core
(GC)

Ceramic Core
(CC)

Metal Oxide Film
(MO)

RQB 05

5W

0.1-500

0.1-3.0K

10-27K

R‾1目:▽10%

R>1目:▽5%

RQB 07

7W

0.2-1.0K

0.3-5.0K

10-56K

RQB 10

10W

0.5-1.5K

0.3-10K

10-75K

RQB 15

15W

1.0-1.5K

0.5-12K

10-100K

RQB 20

20W

1.0-2.0K

0.5-15K

10-100K

CHARACTERISTICS                                                  Values in [ ] mean change in ohmic value after test

Temperature Range

 

-25C-155C

Insulation Resistance

 

DC500V, 20M目 Minimum

Dielectric Withstanding Voltage

 

AC 1500V for 1minute

Temp. Coefficient

 

  Less than 1目:490-1300ppm/C. More than 1目: 490ppm/C

Short Time Overload

汁R▽[2%+0.05目]

10 Times rated power for 5 sec.

Moisture Resistance

汁R▽[3%+0.05目]

DC 100V, 40C 95% RH, 500h

Thermal Shock

汁R▽[2%+0.05目]

Power Rating 30 min., -25C 15min.

Moisture Load Life

汁R▽[3%+0.05目]

40 95% RH, 10% Power Rating 90min.-ON

Load Life

汁R▽[5%+0.05目]

Power Rating 90min.-ON, 30min.-OFF

Solderability

 

75% Coverage minimum

DIMENSIONS (S, S3)

Power

Rating(W)

Dimensions(mm)

L

P

W1

W2

W3

W4

H1

H2

H3

H4

G

5

S

27▽1.5

15▽1.5

9.5▽1

7.5▽0.3

1.4▽0.2

1.6▽0.2

9.5▽1.0

25+1,-2

39▽2

4.5▽0.5

1.1

S3

12+1,-2

25▽2

7

S

35▽1.5

22.5▽1.5

9.5▽1

7.5▽0.3

1.4▽0.2

1.6▽0.2

9.5▽1.0

25+1,-2

39▽2

4.5▽0.5

1.1

S3

12+1,-2

25▽2

10

S

48▽1.5

35▽1.5

9.5▽1

7.5▽0.3

1.4▽0.2

1.6▽0.2

9.5▽1.0

25+1,-2

39▽2

4.5▽0.5

1.1

S3

12+1,-2

25▽2

15

S

48▽2

32.5▽1.5

12.5▽1.2

10▽0.5

2.5▽0.2

2.7▽0.2

12.5▽1.2

27+1,-2

45▽2

5.5▽0.5

1.1

S3

15+1,-2

33▽2

20

S

63.5▽2

47.5▽2

12.5▽1.2

10▽0.5

2.5▽0.2

2.7▽0.2

12.5▽1.2

27+1,-2

45▽2

5.5▽0.5

1.1

S3

15+1,-2

33▽2

DIMENSIONS (D)

Power
Rating(W)

Dimensions(mm)

L

W

H

P

5

27▽1.5

9.5▽1

9.5▽1

15+6,-2

6▽1.5

7

35▽1.5

9.5▽1

9.5▽1

22.5+6,-2

6.25▽1.5

10

48▽1.5

9.5▽1

9.5▽1

35+6,-2

6.5▽1.5

15

48▽2

12.5▽1

12.5▽0.2

32+4,0

7.5▽1.5

DERATING CURVE

SURFACE TEMPERATURE INCREASE VERSUS POWER LOAD

ORDERING PROCEDURE EXAMPLE

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Tel:82-32-817-4325 Fax:82-32-817-4329

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