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| H21A1 / H21A2 / H21A3 PHOTOTRANSISTOR OPTICAL INTERRUPTER SWITCH PACKAGE DIMENSIONS 0.972 (24.7) 0.957 (24.3) 0.472 (12.0) 0.457 (11.6) C L 0.249 (6.35) 0.243 (6.15) + E D + DESCRIPTION The H21A1, H21A2 and H21A3 consist of a gallium arsenide infrared emitting diode coupled with a silicon phototransistor in a plastic housing. The packaging system is designed to optimize the mechanical resolution, coupling efficiency, ambient light O 0.133 (3.4) O 0.126 (3.2) (2X) C L 0.39 (1.00) 0.34 (0.85) 0.755 (19.2) 0.745 (18.9) .073 (1.85) .133 (3.38) 0.129 (3.3) 0.119 (3.0) Optical C L rejection, cost and reliability. The gap in the housing provides a means of interrupting the signal with an opaque material, switching the output from an "ON" to an "OFF" state. 0.433 (11.0) 0.422 (10.7) SCHEMATIC 1 4 0.125 (3.2) 0.119 (3.0) C L .295 (7.5) .272 (6.9) 0.315 (8.0) FEATURES 0.110 (2.8) 0.091 (2.3) * Opaque housing * Low cost * .035" apertures * High IC(ON) 1. Derate power dissipation linearly 1.33 mW/C above 25C. 2. RMA flux is recommended. 3. Methanol or isopropyl alcohols are recommended as cleaning agents. 4. Soldering iron tip 1/16" (1.6mm) minimum from housing. 2 3 2 1 3 4 PIN 1 ANODE PIN 2 CATHODE PIN 3 COLLECTOR PIN 4 EMITTER 0.020 (0.51) (SQ) NOTES: 1. Dimensions for all drawings are in inches (mm). 2. Tolerance of .010 (.25) on all non-nominal dimensions unless otherwise specified. ABSOLUTE MAXIMUM RATINGS Parameter Operating Temperature Storage Temperature Soldering Temperature (Iron)(2,3 and 4) Soldering Temperature (Flow)(2 and 3) INPUT (EMITTER) Continuous Forward Current Reverse Voltage Power Dissipation (1) OUTPUT (SENSOR) Collector to Emitter Voltage Emitter to Collector Voltage Collector Current Power Dissipation (TC = 25C)(1) (TA = 25C unless otherwise specified) Symbol TOPR TSTG TSOL-I TSOL-F IF VR PD VCEO VECO IC PD Rating -55 to +100 -55 to +100 240 for 5 sec 260 for 10 sec 50 6 100 30 4.5 20 150 Unit C C C C mA V mW V V mA mW 2001 Fairchild Semiconductor Corporation DS300290 5/02/01 1 OF 5 www.fairchildsemi.com H21A1 / H21A2 / H21A3 PHOTOTRANSISTOR OPTICAL INTERRUPTER SWITCH ELECTRICAL / OPTICAL CHARACTERISTICS PARAMETER TEST CONDITIONS (TA =25C)(All measurements made under pulse condition) SYMBOL DEVICES MIN TYP MAX UNITS INPUT (EMITTER) Forward Voltage Reverse Breakdown Voltage Reverse Leakage Current OUTPUT (SENSOR) Emitter to Collector Breakdown Collector to Emitter Breakdown Collector to Emitter Leakage COUPLED IF = 60 mA IR = 10 A VR = 3 V IF = 100 A, Ee = 0 IC = 1 mA, Ee = 0 VCE = 25 V, Ee = 0 IF = 5 mA, VCE = 5 V VF VR IR BVECO BVCEO ICEO All All All All All All H21A1 H21A2 H21A3 H21A1 H21A2 H21A3 H21A1 H21A2 H21A3 H21A2/3 H21A1 All All -- 6.0 -- 6.0 30 -- 0.15 0.30 0.60 1.0 2.0 4.0 1.9 3.0 5.5 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 8 50 1.7 -- 1.0 -- -- 100 -- -- -- -- -- -- -- -- -- 0.40 0.40 -- -- V V A V V nA On-State Collector Current IF = 20 mA, VCE = 5 V IC(ON) mA IF = 30 mA, VCE = 5 V Saturation Voltage Turn-On Time Turn-Off Time IF = 20 mA, IC = 1.8 mA IF = 30 mA, IC = 1.8 mA IF = 30 mA, VCC = 5 V, RL = 2.5 K IF = 30 mA, VCC = 5 V, RL = 2.5 K VCE(SAT) ton toff V V s s www.fairchildsemi.com 2 OF 5 5/02/01 DS300290 H21A1 / H21A2 / H21A3 PHOTOTRANSISTOR OPTICAL INTERRUPTER SWITCH Figure 1. Output Current vs. Input Current 10 8 6 4 ICE(on), NORMALIZED OUTPUT CURRENT 2 1 .8 .6 .4 .2 .1 .08 .06 .04 .02 .01 NORMALIZED TO I F = 20 mA VCE = 5 V PULSED PW = 100 sec PRR = 100 pps 1 2 4 6 8 10 20 40 60 80 100 200 400 600 1000 IF , INPUT CURRENT (mA) Figure 2. Output Current vs. Temperature 10 8 6 ICE(on), NORMALIZED OUTPUT CURRENT 4 NORMALIZED TO VCE = 5 V, I F = 20 mA, TA = 25 C INPUT PULSED IF = 100 mA IF = 60 mA 2 IF = 30 mA 1 .8 .6 .4 IF = 10 mA IF = 20 mA .2 IF = 5 mA .1 -55 -40 -20 0 20 40 60 80 100 TA , AMBIENT TEMPERATURE (C) Figure 3. VCE(SAT) vs. Temperature 3 2 VCE(SAT), NORMALIZED NORMALIZED TO IC 1.8 mA , TA = 25C = 30 mA IF PULSED PW = 100 s, PRR = 100 pps IC 1.8 mA = IF 20 mA IC 3.6 mA = IF 60 mA 1 IC 1.8 mA = IF 30 mA 0.8 IC 0.9 mA = IF 15 mA 0.6 -50 -25 0 25 50 75 100 TA , AMBIENT TEMPERATURE (C) DS300290 5/02/01 3 OF 5 www.fairchildsemi.com H21A1 / H21A2 / H21A3 PHOTOTRANSISTOR OPTICAL INTERRUPTER SWITCH Figure 4. Leakage Current vs. Temperature DETECTOR EMITTER 103 103 102 IR, NORMALIZED LEAKAGE CURRENT ICEO, NORMALIZED DARK CURRENT VCE = 25 V 102 VCE = 10 V 101 101 1 NORMALIZED TO VCE = 25 V TA = 25 C 0.1 25 50 75 100 1 NORMALIZED TO VR = 5 V TA = 25 C 0.1 25 50 75 100 T A, AMBIENT TEMPERATURE (C) T A, AMBIENT TEMPERATURE (C) Figure 6. Output Current vs. Distance Figure 5. Switching Speed vs. RL 4.5 4 3 tON, AND tOFF NORMALIZED ICE(on), NORMALIZED OUTPUT CURRENT PW = 300 s PRR = 100 pps 75 IF = AMPS, VCC = 5V RL NORMALIZED TO RL = 2.5 K d, DISTANCE (mils) 1.00 78.7 157.5 236.2 315 393.7 ton toff .1 2 1.5 .01 BLACK SHIELD + E D NORMALIZED TO VALUE WITH SHIELD REMOVED + d o BLACK SHIELD d o 1 .9 .8 .7 .6 .5 .45 RL IF + VCC .001 1K 2K 3K 4K 5K 6K 7K 8K 9K 10K .0001 0 2 4 6 8 10 d, DISTANCE (mm) R L , LOAD RESISTANCE () www.fairchildsemi.com 4 OF 5 5/02/01 DS300290 H21A1 / H21A2 / H21A3 PHOTOTRANSISTOR OPTICAL INTERRUPTER SWITCH DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. LIFE SUPPORT POLICY FAIRCHILD'S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body,or (b) support or sustain life, and (c) whose failure to perform when properly used in accordance with instructions for use provided in labeling, can be reasonably expected to result in a significant injury of the user. 2. A critical component in any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. DS300290 5/02/01 5 OF 5 www.fairchildsemi.com |
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