Micropac Industries cannot assume any responsibility for any circuits shown or represent that they are free from patent infringement.

Micropac reserves the right to make changes at any time in order to improve design and to supply the best product possible.

MICROPAC INDUSTRIES, INC. HYBRID MICROELECTRONICS PRODUCTS DIVISION

• 905 E. Walnut St., Garland, TX 75040 • (972) 272-3571 • Fax (972) 494-2281

www.micropac.com

12/18/01

52421

SOLID STATE THERMOSTAT CONTROLLER

DUAL CHANNEL TERMINAL NUMBER DESCRIPTION

TERMINAL

REF

DESCRIPTION

1

Vin

Positive power supply voltage

2

AGND

Power return for all function

3

+H

Current source for Heater (High Side)

4

-H

Current return for Heater

5

RTD1-H

Current source for RTD #1

6

RTD1-L

Current return RTD #1

7

RTD1-S

for RTD #1 Shield to case

8

ST1

Self Test #1, “ON”

9

ST1 Return

Self test #1 Common

TYPICAL PRESET “RTD” PROFILES AVAILABLE

P/N TBD

P/N TBD

P/N TBD

P/N TBD

P/N TBD

Ton

-80°F

-70°F

-60°F

-50°F

-42°F

Toff

-73°F

-63°F

-53°F

-43°F

-35°F

P/N TBD

P/N TBD

P/N TBD

P/N TBD

Ton

-28

°F-10°F0°F23°F

Toff

-21

°F-3°F7°F30°F

RTD SENSORS NOT PROVIDED BY Micropac Industries, Inc.

The above preset thresholds and switching levels are based on the use of standard 1000 ohm RTDs.

Example: IEC-751, 1000 ohms at 0

°C (ice point), resistance curve with an alpha of 0.003891 and with

an error not to exceed 0.75

°F.

Package Dimensions