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

02/15/01

53124

Radiation Tolerant Power MOSFET Optocoupler

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TOTAL DOSE TEST RESULTS

Disclaimer: The data of 4 representative units irradiated in Cobalt-60 chamber is only typical of one lot of

solid state relays. Micropac does not guarantee performance of its SSR to these radiation levels. Individual

lots have to be screened to guarantee the performance.

Figure 9. Turn-On Time vs Total Dose

Figure 10. Rise Time vs Total Dose

1.5

2.0

2.5

3.0

050

100

Total Dose, krad (Si)

0.5

1.0

1.5

050

100

Total Dose, krad (Si)

50

60

70

80

90

0

50

100

Total Dose, krad (Si)