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K SERIES NON-FLAMMABLE WIRE
WOUND FIXED RESISTORS

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GENERAL SPECIFICATIONS

Model

Power Rating[W]

Resistance Range [OHM]

Standard

S type

KH

KHIS

KG

KZG

KHZ

5

1.0-5K

1K

10

1.0-10K

2K

15

1.0-15K

3K

20

1.0-20K

4K

30

1.5-30K

4K

40

2.0-40K

6K

50

2.0-50K

8K

60

1.5-60K

12K

80

2.0-80K

15K

100

2.5-100K

20K

120

3.0-120K

25K

150

4.0-150K

30K

200

5.0-200K

40K

300

8.0-200K

60K

400

10.0-300K

80K

500

10.0-400K

90K

600

10.0-500K

100K

700

10.0-600K

110K

1000

10.0-900K

120K

1200

10.0-1100K

130K

Tolerance:
 1ohm less than or equal to R:  +-5%[J]
1ohm greater than R:  +-10%[K]

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

Temp. Coefficient

+-200ppm/C max.

Power Rating Load

Change in R/R ¡Â+-[1%+0.05OHM]                                                                          350C max.

Short Time Overload

Change in R/R ¡Â+-[2%+0.05OHM]                                           1000% rated power 5 secs

Insulation Resistance

100MOHM min. DC 500V

Dielectric Withstanding V.

KG, KH : AC 1500V 1 min., KHZ, KZG : AC 3000V 1 min.

Terminal Strength

5-20W : 4.5kgf, H20-40W : 6kgf, 60-200W : 8kgf, 300-400W : 10kgf-30secs

Resistors Strength

5W-40W: 20kgf, 60W-400W : 30kgf-30secs

Vibration

Mount : KG type, 1.5mm 10-55Hz/1min.X,Y,Z 2 hours.

Solderability

75% coverage min. 270C 5 secs.

Heat Resistance

350C 2 hrs

Thermal Shock

Change in R/R ¡Â+-[2%+0.05OHM]                      Power rating load-30min. –55C-15min.

Humidity (Steady state)

Change in R/R ¡Â+-[2%+0.05OHM,10MOHM min.]                           40C, 95%RH, 500 hrs.

Load Life in Humidity

Change in R/R ¡Â+-[2%+0.05OHM]   See Note1

Load Life

Change in R/R ¡Â+-[5%+0.05OHM]           Power rating, 90 min. ON, 30min OFF, 500hrs.

Flame Retardancy

100-600% rated power load

Note1:  0.1XP rating, 90min. ON, 30min. OFF, 40C, 95%RH, 500hrs.
 Note2:  Applied voltage - AC RMS voltage

SURFACE TEMPERATURE INCREASE VERSUS POWER LOAD & DERATING

      

PERCENTAGE POWER DECREASE IN GROUPED APPLICATIONS

Interval

State

2EA

3EA

4EA

5EA

6EA

7EA

8EA

9EA

10EA

11EA

12EA

40mm

Open

63

56

51

47

45

43

40

38

36

34

32

Close

54

47

43

41

38

36

34

32

31

29

27

45mm

Open

70

64

60

56

53

50

48

46

44

42

40

Close

60

54

51

47

45

42

41

39

37

36

34

50mm

Open

73

68

64

60

58

56

55

54

52

50

49

Close

62

58

54

51

49

47

46

45

44

43

42

55mm

Open

77

70

67

64

63

60

59

58

57

56

56

Close

65

59

57

54

53

51

50

49

48

47

47

75mm

Open

82

76

72

68

66

65

64

63

62

61

60

Close

70

64

61