High Voltage

Thick Film Resistors

F Series

Working voltage up to 28kV

Resistance up to 150G

Terminationvariants

Setssuppliedwithmatchedcharacteristics

Goodratiomatchingoverwidevoltagerange

High Voltage

Thick Film Resistors

F Series

F43

F44

Notes

Power rating

watts

0.7

1.3

Resistance range

ohms

2M to 100G

2M to 150G

Limiting element voltage

volts

4K

14K

In air

volts

8K

28K

In oil

TCR 20° - 70°C

ppm/°C

-2000

Resistance tolerance

%

2, 5, 10

Measured at 100 volts dc

Standard values

E24 preferred

Any value to special order

Thermal impedance

°C/watt

44

33

Ambient temperature range

°C

-55 to 100

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

201

L

D

f

d

L

L

F44D

F44TU

F44KU

Dimensions (mm) & Weight (g)

PCB

Min.

mounting

Bend

Type

L max

D max

f min

d nom

centres

Radius Wt. nom

F43D

25.4

8.4

32.0

0.8

31.8

1.2

3.1

F44D

50.8

8.4

32.0

0.8

57.2

1.2

5.6

F43KU

30.2

8.5

32.0

0.8

3.9

F44KU

53.2

8.5

32.0

0.8

7.4

F43TU

32.6

8.5

5.8

F44TU

55.6

8.5

8.2

Physical Data

Resistors

AllPb-freepartscomplywithEUDirective2011/65/EU(RoHS2)

04.17

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

http://www.ttelectronics.com/resistors

BI Technologies IRC Welwyn