Tubular Vitreous Enamelled

Wirewound Resistors

1600/1900 Series

*The stated dissipation applies to resistors mounted horizontally with unobstructed bore.

Performance Data

*Dissipation (watts) to

Resistance range (ohms)

Limiting

Low inductance

produce operating

element

winding resistance

hotspot temperature (°C) of:

voltage

range (ohms)

Ambient = 20°C

Ambient

Minimum

Termination

Min. res. at

= 70°C

resistance at

style

Type

Max. at

Max. at

any

either

200

300

375

375

±5%

±2%

±1%

tolerance

C

All others

±10%

±5%

tolerance

1601

5

10

14

11

1

15

25

15k

250

150

10

50

1.3k

1905

7

14.5

20

16

1

15

30

30k

-

450

10

50

3.5k

1600

7.5

15

21

16.5

1

15

30

56k

-

600

10

50

5.0k

1602

8

15.5

22

17

1

20

25

43k

500

350

10

50

4.0k

1906

9.5

19

28

22

1

20

30

50k

700

550

10

50

5.5k

1603

11

22

32

25

1

20

30

83k

850

750

10

50

7.5k

1604

15.5

31

45

35

1

20

60

100k

1300

1000

15

50

11.5k

1605

21

41

59

47

1

30

40

100k

1100

900

15

50

14k

1908

24

47

68

54

1

30

40

100k

1200

1000

10

50

16k

1607

34

66

95

76

1

30

50

100k

1300

900

15

50

22k

1606

41

80

115

91

1

30

40

160k

2100

1900

15

50

32k

1608

52

101

145

115

1

30

50

180k

2100

1800

20

50

38k

1609

74

145

208

165

1

35

50

250k

3000

2500

30

100

58k

Tubular Vitreous Enamelled

Wirewound Resistors

1600/1900 Series

Telephone: +44 (0) 1670 822181 · Facsimile: +44 (0) 1670 829465 · Email: info@welwyn-tt.com · Website: www.welwyn-tt.com

122

09.09

Welwyn Components

Max

Typ

Load : 1000 hours at 70°C

∆R%

5.0

3.5

Shelf life : 12 months at room temperature

∆R%

1.0

0.1

Climatic

∆R%

0.5

0.35

Long term damp heat

∆R%

0.2

0.05

Bump and vibration

∆R%

0.1

0.02

Noise (in a decade of frequency)

∆R%

zero

zero

Pulse Handling Data

Available by request

Table 1

*The stated dissipation applies to resistors mounted horizontally with unobstructed bore.

Performance Data

*Dissipation (watts) to

Resistance range (ohms)

Limiting

Low inductance

produce operating

element

winding resistance

hotspot temperature (°C) of:

voltage

range (ohms)

Ambient = 20°C

Ambient

Minimum

Termination

Min. res. at

= 70°C

resistance at

style

Type

Max. at

Max. at

any

either

200

300

375

375

±5%

±2%

±1%

tolerance

C

All others

±10%

±5%

tolerance

1601

5

10

14

11

1

15

25

15k

250

150

10

50

1.3k

1905

7

14.5

20

16

1

15

30

30k

-

450

10

50

3.5k

1600

7.5

15

21

16.5

1

15

30

56k

-

600

10

50

5.0k

1602

8

15.5

22

17

1

20

25

43k

500

350

10

50

4.0k

1906

9.5

19

28

22

1

20

30

50k

700

550

10

50

5.5k

1603

11

22

32

25

1

20

30

83k

850

750

10

50

7.5k

1604

15.5

31

45

35

1

20

60

100k

1300

1000

15

50

11.5k

1605

21

41

59

47

1

30

40

100k

1100

900

15

50

14k

1908

24

47

68

54

1

30

40

100k

1200

1000

10

50

16k

1607

34

66

95

76

1

30

50

100k

1300

900

15

50

22k

1606

41

80

115

91

1

30

40

160k

2100

1900

15

50

32k

1608

52

101

145

115

1

30

50

180k

2100

1800

20

50

38k

1609

74

145

208

165

1

35

50

250k

3000

2500

30

100

58k

Tubular Vitreous Enamelled

Wirewound Resistors

1600/1900 Series

Telephone: +44 (0) 1670 822181 · Facsimile: +44 (0) 1670 829465 · Email: info@welwyn-tt.com · Website: www.welwyn-tt.com

122

09.09

Welwyn Components

Max

Typ

Load : 1000 hours at 70°C

∆R%

5.0

3.5

Shelf life : 12 months at room temperature

∆R%

1.0

0.1

Climatic

∆R%

0.5

0.35

Long term damp heat

∆R%

0.2

0.05

Bump and vibration

∆R%

0.1

0.02

Noise (in a decade of frequency)

∆R%

zero

zero

Pulse Handling Data

Available by request

Table 1

*The stated dissipation applies to resistors mounted horizontally with unobstructed bore.

Performance Data

*Dissipation (watts) to

Resistance range (ohms)

Limiting

Low inductance

produce operating

element

winding resistance

hotspot temperature (°C) of:

voltage

range (ohms)

Ambient = 20°C

Ambient

Minimum

Termination

Min. res. at

= 70°C

resistance at

style

Type

Max. at

Max. at

any

either

200

300

375

375

±5%

±2%

±1%

tolerance

C

All others

±10%

±5%

tolerance

1601

5

10

14

11

1

15

25

15k

250

150

10

50

1.3k

1905

7

14.5

20

16

1

15

30

30k

-

450

10

50

3.5k

1600

7.5

15

21

16.5

1

15

30

56k

-

600

10

50

5.0k

1602

8

15.5

22

17

1

20

25

43k

500

350

10

50

4.0k

1906

9.5

19

28

22

1

20

30

50k

700

550

10

50

5.5k

1603

11

22

32

25

1

20

30

83k

850

750

10

50

7.5k

1604

15.5

31

45

35

1

20

60

100k

1300

1000

15

50

11.5k

1605

21

41

59

47

1

30

40

100k

1100

900

15

50

14k

1908

24

47

68

54

1

30

40

100k

1200

1000

10

50

16k

1607

34

66

95

76

1

30

50

100k

1300

900

15

50

22k

1606

41

80

115

91

1

30

40

160k

2100

1900

15

50

32k

1608

52

101

145

115

1

30

50

180k

2100

1800

20

50

38k

1609

74

145

208

165

1

35

50

250k

3000

2500

30

100

58k

Tubular Vitreous Enamelled

Wirewound Resistors

1600/1900 Series

Telephone: +44 (0) 1670 822181 · Facsimile: +44 (0) 1670 829465 · Email: info@welwyn-tt.com · Website: www.welwyn-tt.com

122

09.09

Welwyn Components

Max

Typ

Load : 1000 hours at 70°C

∆R%

5.0

3.5

Shelf life : 12 months at room temperature

∆R%

1.0

0.1

Climatic

∆R%

0.5

0.35

Long term damp heat

∆R%

0.2

0.05

Bump and vibration

∆R%

0.1

0.02

Noise (in a decade of frequency)

∆R%

zero

zero

Pulse Handling Data

Available by request

Table 1

11.17

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.ttelectronics.com/resistors

BI Technologies IRC Welwyn

Temperature rise graph figure 1

Power - W