isocom components ltd unit 25b, park view road west, park view industrial estate, brenda road hartlepool, cleveland, ts25 1yd tel: (01429) 863609 fax :(01429) 863581 7/12/00 db92137-aas/a2 description the H24A series of optically coupled isolators consist of infrared light emitting diode and npn silicon photo transistor in a plastic package. features l 4 pin dual-in-line package l high current transfer ratio available (H24A1 = 100% min.) l high isolation voltage (3.75kv rms ,5.3kv pk ) l no base connection gives improved common mode rejection applications l dc motor controllers l industrial systems controllers l signal transmission between systems of different potentials and impedances 4 pin optically coupled isolator phototransistor output absolute maximum ratings (25c unless otherwise specified) storage temperature -40c to + 85c operating temperature -25c to + 85c lead soldering temperature (1/16 inch (1.6mm) from case for 10 secs) 260c input diode forward current 50ma reverse voltage 4v power dissipation 75mw output transistor collector-emitter voltage bv ceo 30v emitter-collector voltage bv eco 6v collector current i c 20ma power dissipation 75mw H24A1, H24A2 H24A3, H24A4 2 1 4 3 + e d + 1 2 4 3 dimensions in mm 0.5 6.35 0.63 0.63 8.89 7.62 2.54 9.53 7.62 isocom inc 1024 s. greenville ave, suite 240, allen, tx 75002 usa tel: (214) 495-0755 fax: (214) 495-0901 e-mail info@isocom.com http://www.isocom.com
db92137-aas/a2 parameter min typ max units test condition input forward voltage (v f ) 1.2 1.7 v i f = 20ma reverse voltage (v r ) 3 v i r = 1 m a reverse current (i r ) 10 m a v r = 4v output collector-emitter breakdown (bv ceo ) 30 v i c = 1ma ( note 2 ) emitter-collector breakdown (bv eco ) 6 v i e = 100 m a collector-emitter dark current (i ceo ) 50 na v ce = 10v coupled current transfer ratio (ctr) (note 2) H24A1 100 % 10ma i f , 10v v ce H24A2 20 % 10ma i f , 10v v ce H24A3 75 % 10ma i f , 10v v ce H24A4 50 % 10ma i f , 10v v c collector-emitter saturation voltagev ce(sat) 0.4 v 10ma i f , 0.5ma i c input to output isolation voltage v is0 3750 v rms see note 1 5300 v pk see note 1 input-output isolation resistance r iso 5x10 10 w v io = 500v (note 1) turn-on time ton 9 m s v ce = 10v , turn-off time toff 4 m s i c = 2ma,r l = 100 w turn-on time ton 6.5 m s v ce = 5v , turn-off time toff 165 m s i f = 10ma,r l = 10k w note 1 measured with input leads shorted together and output leads shorted together. note 2 special selections are available on request. please consult the factory. 7/12/00 electrical characteristics ( t a = 25c unless otherwise noted )
db92137-aas/a2 7/12/00 25 -25 0 25 50 75 100 125 ambient temperature t a ( c ) 75 0 100 ambient temperature t a ( c ) collector power dissipation p c (mw) 60 30 20 10 0 40 50 -25 0 25 50 75 100 125 collector power dissipation vs. ambient temperature forward current vs. ambient temperature 50 forward current i f (ma) 0 0.5 1.0 1.5 i f = 10ma v ce = 10v ambient temperature t a ( c ) -25 0 25 50 75 100 -25 0 25 50 75 100 ambient temperature t a ( c ) collector-emitter saturation voltage v ce(sat) (v) collector-emitter saturation voltage vs. ambient temperature 0 0.04 0.08 0.12 0.16 0.20 0.24 0.28 i f = 10ma i c = 0.5ma 1 2 5 10 20 50 0 0.4 0.6 0.8 1.0 1.2 0.2 1.4 normalized output current normalized output current vs. forward current forward current i f (ma) 0.1 1 10 100 1 10 normalized output current normalized output current vs. collector-emitter voltage collector-emitter voltage v ce ( v ) 0.1 0.01 t a = 25c 0.02 0.04 0.2 0.4 2 4 1.6 1.8 2.0 normalized to i f = 10ma v ce = 5v pulsed pw = 100 m s prr = 100pps i f = 60ma 20ma 10ma 2ma 5ma normalized output current vs. ambient temperature normalized output current normalized to i f = 10ma v ce = 0.4v pulsed pw = 100 m s prr = 100pps t a = 25c
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