reflective sensor hoa2498 17 september 1997 description features choice of phototransistor or photodarlington output focused for maximum response wide operating temperature range (-55?c?to?+100?c) the hoa2498 series consists of an infrared emitting diode and an npn silicon phototransistor (hoa2498-001,?-002) or photodarlington (hoa2498-003), encased side-by-side on converging optical axes in a black thermoplastic housing. the detector responds to radiation from the ired only when a reflective object passes within its field of view. the hoa2498 series employs metal can packaged components. for additional component information see se1450, sd1440, and sd1410. housing material is polyester. housings are soluble in chlorinated hydrocarbons and ketones. recommended cleaning agents are methanol and isopropanol. .625(15.88) .450(11.43) .50(12.7) test surface .75(19.05) (e) emitter (c) collector (a) anode (k) cathode .150(3.81) .187(4.75) .062(1.60)r 2 plcs .070(1.78) .250(6.35) .250(6.35) .040(1.02) dim_039.ds4 infra-64.tif outline dimensions in inches (mm) 3 plc decimals 0.010(0.25) tolerance 2 plc decimals 0.020(0.51) honeywell reserves the right to make changes in order to improve design and supply the best products possible. h ? honeywell inc.
reflective sensor hoa2498 17 september 1997 electrical characteristics units test conditions min parameter symbol typ max ir emitter detector coupled characteristics schematic
reflective sensor hoa2498 17 september 1997 ired forward bias characteristics gra_073.ds4 forward voltage - v f o r w a r d c u r r e n t - m a 0 10 20 30 40 50 60 70 80 90 100 0.8 1.0 1.2 1.4 1.6 1.8 2.0 pulsed condition t a = 80c t a = -40c t a = 25c fig. 1 non-saturated switching time vs load resistance gra_079.ds4 load resistance - ohms r e s p o n s e t i m e - s 1 10 100 1000 10 100 1000 10000 phototransistor photodarlington fig. 2 dark current vs temperature gra_303.cdr
reflective sensor hoa2498 17 september 1997 honeywell reserves the right to make changes in order to improve design and supply the best products possible. h ? honeywell inc.
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