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4N32/4N33
PHOTODARLINGTON OPTOCOUPLER
FEATURES * Very High Current Transfer Ratio, 500% Min. * High Isolation Resistance, 1011 Typical * Standard Plastic DIP Package * Underwriters Lab File #E52744 * V VDE Approvals #0884 (Available with Option 1)
DE
Dimensions in inches (mm) Pin One ID. 3 .248 (6.30) .256 (6.50) 4 5 6 2 1 Anode 1 Cathode 2 NC 3 6 Base 5 Collector 4 Emitter
DESCRIPTION The 4N32 and 4N33 are optically coupled isolators with a Gallium Arsenide infrared LED and a silicon photodarlington sensor. Switching can be achieved while maintaining a high degree of isolation between driving and load circuits. These optocouplers can be used to replace reed and mercury relays with advantages of long life, high speed switching and elimination of magnetic fields. Maximum Ratings Emitter Peak Reverse Voltage ........................................3 V Continuous Forward Current .........................60 mA Power Dissipation at 25C..........................100 mW Derate Linearly from 55C....................1.33 mW/C Detector Collector-Emitter Breakdown Voltage, BVCEO .......................................................... 30 V Emitter-Base Breakdown Voltage, BVEBO ............................................................. 8V Collector-Base Breakdown Voltage, BVCBO .......................................................... 50 V Emiter-Collector Breakdown Voltage, BVECO ............................................................ 5 V Collector (load) Current...............................125 mA Power Dissipation at 25C Ambient ...........150 mW Derate Linearly from 25C......................2.0 mW/C Package Total Dissipation at 25C Ambient .............250 mW Derate Linearly from 25C......................3.3 mW/C Isolation Test Voltage......................... 5300 VACRMS Between Emitter and Detector, Standard Climate: 23C/50%RH, DIN 50014 Leakage Path ........................................ 7 mm min. Air Path................................................... 7 mm min. Isolation Resitance VIO=500 V/25C ...................................... 1012 VIO=500 V/100C .................................... 1011 Storage Temperature ...................-55C to +150C Operating Temperature ...............-55C to +100C Lead Soldering Time at 260C .................... 10 sec.
.335 (8.50) .343 (8.70) .039 (1.00) min. 4 typ. .018 (0.45) .022 (0.55) .300 (7.62) typ. .130 (3.30) .150 (3.81) 18 typ. .020 (.051) min. .031 (0.80) .035 (0.90) .100 (2.54) typ. .010 (.25) .014 (.35) .300 (7.62) .347 (8.82) .110 (2.79) .150 (3.81)
Electrical Characteristics (TA=25C)
Parameter Emitter Forward Voltage Reverse Current Capacitance Detector BVCEO* BVCBO* BVEBO* BVECO* ICEO HFE Package Current Transfer Ratio VCEsat Coupling Capacitance Turn On Time Turn Off Time *Indicates JEDEC registered values 5-1 500 1.0 1.5 5 100 % V pF s s VCC=10 V, IC=50 mA IF=200mA, RL=180 IF=10 mA, VCE=10 V IC=2 mA, IF=8 mA 30 50 8 5 10 1.0 13K 100 V V V V nA IC=100 A, IF=0 IC=100 A, IF=0 IC=100 A, IF=0 IE=100 A, IF=0 VCE=10 V, IF=0 IC=0.5 mA 1.25 0.1 25 1.5 100 V A pF IF=50 mA VR=3.0 V VR=0 V Min. Typ. Max. Unit Condition
Figure 1. Forward voltage versus forward current
1.4
VF - Forward Voltage - V
Figure 5. Non-saturated and saturated HFE versus base current 5
HFE - Forward Transfer Gain
1.3 1.2 1.1 1.0 0.9 0.8 0.7 .1
Ta = -55C Ta = 25C
10000 8000 6000 4000 2000 0 .01
Ta = 25C
Vce = 5 V
Ta = 100C
Vce = 1 V
1 10 IF - Forward Current - mA
100
.1
1
10
100
Ib - Base Current - A
Figure 2. Normalized non-saturated and saturated CTRce versus LED current
NCTRce - Normalized CTRce
1.2 1.0 0.8 0.6 0.4 0.2 Vce =1V 0.0 .1 1 10 100 IF - LED Current - mA 1000 Normalized to: Vce = 5 V IF = 10 mA Ta = 25 C Vce = 5 V
Figure 6. Low to high propagation delay versus collector load resistance and LED current
tpLH - Low/High Propagation Delay - s 80 Ta = 25C, Vcc = 5V Vth = 1.5 V 60 40 470 20 100 0 0 5 10 15 IF - LED Current - mA 20 1K
220
Figure 3. Normalized non-saturated and saturated collector-emitter current versus LED current
10 Normalized to: Ta = 25C IF = 10 mA 1 Vce = 5 V .1 .01 .001 .1 Vce = 5 V
Figure 7. High to low propagation delay versus collector load resistance and LED current
20
tpHL - High/Low Propagation delay - s
NIce - Normalized Ice
1K 15
Vce = 1V
Ta = 25C Vcc = 5 V Vth = 1.5 V
10 5 0 0 5 10 15 IF - LED Current - mA 20 100
1 10 IF - LED Current - mA
100
Figure 4. Normalized collector-base photocurrent versus LED current
10
NIcb - Normalized Icb
Figure 8. Switching waveform and switching schematic
1 .1
Normalized to: Ta = 25C Vcb = 3.5 V IF = 10 mA
IF
VCC RL
VO
.01 .001 .1 1 10 IF - LED Current - mA 100
tD tR tPLH VTH=1.5 V tF
IF
VO
tPHL
tS
4N32/33
5-2

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