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

GENERAL ELECTRICAL SPECIFICATIONS

(25°C unless otherwise stated)

TEST

CONDITIONS

MIN

MAX

UNITS

Quiescent Power Supply

Current

Terminal #1 = +126 VDC

RTD = Max

5.5

mA

Over voltage

Current Spikes

Between Terminals #1 and #2 = +180 VDC

For 5 seconds

RTD = Min

50.0

mA

Heater Current

Terminals #3 - #4 = Heater Load

Terminal #1 = +120 VDC

1.1

A

Output Off Current

Terminal #1 = +126 VDC

Between Terminals #3 and #4 =

R shunt

≤ 10 ohms

RTD = Max

±250

±1

uA

mA

Full Load

Saturation Voltage

Terminal #1 = +120 VDC

Test Load, 120 ohms

±5%, 250 Watts

RTD = Min

1.9

2.8

V

V

Self Test

Input

Impedance

Terminal #1 = +120 VDC

RTD = Max

As Measured between Terminals #8 and #9

5,000,000

Ω

On Time,

Load Current

Terminal #1 = +120 VDC

RTD switched Max to Min

Measuring the 10-90 time of the rising Heater

Load Current, Terminals #3 and #4

1.0

mS

Off Time,

Load Current

Terminal #1 = +120 VDC

RTD switched Min to Max

Measuring the 90-10 time of the falling

Heater Load Current, Terminals #3 and #4

2.0

mS