High Voltage

Planar Resistors

4500 Series

capacitance

4501

4502

4503

4504

4505

4506

4507

Power rating at 70°C

watts

1

1.7

2

3

2.8

3.6

4.5

Resistance range

ohms

20k to 500M

36k to 750M

36k to 750M

62k to 1G

51k to 1G

82k to 1G

180k to 1.5G

Limiting element voltage

volts

10k

10k

15k

15k

20k

20k

20k

TCR (20°C to 70°C)

ppm/°C

100, 150 (see table below for 50ppm)

Resistance tolerance

%

1, 2, 5

Values

Any value to order

Ambient temperature range

°C

-55 to 125

Value ranges for TCR of 100 ppm/°C

≤150M

≤270M

≤270M

≤470M

≤390M

≤680M

≤1.5G

Value ranges for TCR of 150 ppm/°C

>150M

>270M

>270M

>470M

>390M

>680M

Value ranges available for

TCR of 50ppm/°C

<100M

<150M

<200M

<250M

<250M

<300M

<600M

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

205

Dimensions (mm) of Uncoated Resistors*

P (nominal)

Type

L max

H max

W max

450000

450000A

4501

25.7

9

2

20.3

22.9

4502

25.7

13

2

20.3

22.9

4503

38.7

9

2

33.0

35.6

4504

38.7

13

2

33.0

35.6

4505

51.2

9

2

45.7

48.3

4506

51.2

13

2

45.7

48.3

4507

51.2

25.7

2

45.7

48.3

Physical Data

*Conformally quoted resistors: Add 1mm to dimensions L and H and 0.5mm to W.

4500 series new

2/6/03

4:01 pm

Page 1