Welwyn Components

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.

A subsidiary of

TT electronics plc

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

CHC Series Issue June 2006

Platinum Temperature Sensor

Electrical Data

Performance Data

The temperature

sensor is a conventional

thin film platinum RTD

in a surface mount

package designed for

temperature sensing,

over-temperature

protection and tempera-

ture compensation in

any application where

printed circuit board

temperature sensing is

desired.

Self Heating

P0603

P0805

P1206

0.14°C/mW

0.13°C/mW

0.13°C/mW

Available Resistances

100Ω

100Ω

100Ω, 1.0KΩ

Resistance Tolerances

±0.5%, ±1%, ±2%, ±5%

Operating Temperature

Range

-55°C to +150°C

Temperature Coefficient

+3850 ppm/°C

Insulation Resistance

10MΩ minimum at 25°C

Recommended Measuring

Current

≤1mA

Long Term Stability (10,000

hours at 125°C)

<0.05%

Termination

60/40 SnPb or 100% Sn

Settling Response Time

P0603

P0805

P1206

Rapidly Stirred Oil

0.1s

(t

0.4s

(t

0.1s

(t

0.4s

(t

0.2s

(t

0.6s

(t

Air @ 1m/s

1.1s

(t

3.7s

(t

1.2s

(t

4.2s

(t

1.8s

(t

6s

(t

* Temperature coefficient in accordance with IEC751

RTD Series