High Voltage Precision

Thick Film Resistors

T Series

T43

T44

T48

Notes

Power rating at 20°C

watts

1.5

3.5

10

Resistance range

ohms

1K to 10G

1K to 50G

1K to 50G

Limiting element voltage

volts

4K

14K

50K

In air

8K

28K

100K

In oil

TCR

ppm/°C

25, 50, 100

Values > 1G: TCR is 250ppm/°C

Resistance tolerance

%

1, 2, 5

Closer tolerances over restricted range

Values

E24 preferred values

Any value to special order

Thermal impedance

°C/watt

31

27

13

Ambient temperature range

°C

-55 to 150

General Note

Welwyn Components reserves the right to make changes in product specification without notice or liability.

All information is subject to Welwyn’s own data and is considered accurate at time of going to print.

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

Electrical Data

Issue B · 03.02

A subsidiary of

TT electronics plc

Welwyn Components

193

Dimensions (mm) & Weight (g)

PCB

Min

mounting

Bend

Type

L max

D max

f min

d nom

centres

Radius

Wt. nom

T43D

25.4

8.4

32.0

0.8

31.8

1.2

3.1

T44D

50.8

8.4

32.0

0.8

57.2

1.2

5.6

T48D

150.0

8.4

32.0

0.8

156.4

1.2

18.5

T43KU

30.2

8.5

32.0

0.8

3.9

T44KU

53.2

8.5

32.0

0.8

7.4

T48KU

152.2

8.5

32.0

0.8

19.3

T43TU

32.6

8.5

5.8

T44TU

55.6

8.5

8.2

T48TU

154.8

8.5

20.2

Physical Data

L

D

f

d

L

L

T44D

T44TU

T44KU