PHOTODARLINGTON OPTICAL INTERRUPTER SWITCH H21B1 H21B2 H21B3 PACKAGE DIMENSIONS 0.972 (24.7) 0.957 (24.3) Ø 0.133 (3.4) Ø 0.126 (3.2) (2X) 0.472 (12.0) 0.457 (11.6) CL 0.249 (6.35) 0.243 (6.15) + D E + CL 0.39 (1.00) 0.34 (0.85) 0.755 (19.2) 0.745 (18.9) 0.129 (3.3) 0.119 (3.0) 0.103 (2.60) NOM 0.433 (11.0) 0.422 (10.7) 0.125 (3.2) 0.119 (3.0) Optical CL 0.315 (8.0) SCHEMATIC CL 0.110 (2.8) 0.091 (2.3) .295 (7.5) .272 (6.9) 2 3 1 4 PIN 1 ANODE PIN 2 CATHODE PIN 3 COLLECTOR PIN 4 EMITTER 1 4 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. 2 3 DESCRIPTION The H21B1, H21B2 and H21B3 consist of a gallium arsenide infrared emitting diode coupled with a silicon photodarlington in a plastic housing. The packaging system is designed to optimize the mechanical resolution, coupling efficiency, ambient light 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. FEATURES • Opaque housing • Low cost • .035" apertures • High IC(ON) © 2002 Fairchild Semiconductor Corporation Page 1 of 6 6/13/02 PHOTODARLINGTON OPTICAL INTERRUPTER SWITCH H21B1 H21B2 H21B3 ABSOLUTE MAXIMUM RATINGS (TA = 25°C unless otherwise specified) Parameter Symbol Rating Unit Operating Temperature TOPR -55 to +100 °C Storage Temperature TSTG -55 to +100 °C Soldering Temperature (Iron)(2,3 and 4) TSOL-I 240 for 5 sec °C (Flow)(2 and 3) TSOL-F 260 for 10 sec °C Continuous Forward Current IF 50 mA Reverse Voltage VR 6 V Power Dissipation(1) PD 100 mW Collector to Emitter Voltage VCEO 30 V Emitter to Collector Voltage VECO 6 V IC 40 mA PD 150 mW Soldering Temperature INPUT (EMITTER) OUTPUT (SENSOR) Collector Current Power Dissipation (TC = 25°C)(1) NOTES: 1. Derate power dissipation linearly 1.67 mW/°C above 25°C. 2. RMA flux is recommended. 3. Methanol or isopropyl alcohols are recommended as cleaning agents. 4. Soldering iron 1/16" (1.6 mm) minimum from housing. © 2002 Fairchild Semiconductor Corporation Page 2 of 6 6/13/02 PHOTODARLINGTON OPTICAL INTERRUPTER SWITCH H21B1 H21B2 H21B3 ELECTRICAL/OPTICAL CHARACTERISTICS (TA =25°C) PARAMETER TEST CONDITIONS SYMBOL DEVICES MIN TYP MAX UNITS INPUT (EMITTER) Forward Voltage IF = 60 mA VF All — — 1.7 V Reverse Breakdown Voltage IR = 10 µA VR All 6.0 — — V Reverse Leakage Current VR = 3 V IR All — — 1.0 µA OUTPUT (SENSOR) Emitter to Collector Breakdown IF = 100 µA, Ee = 0 BVECO All 7.0 — — V Collector to Emitter Breakdown IC = 1 mA, Ee = 0 BVCEO All 30 — — V Collector to Emitter Leakage VCE = 25 V, Ee = 0 ICEO All — — 100 nA H21B1 0.5 — — H21B2 1.0 — — H21B3 2.0 — — H21B1 2.5 — — H21B2 5.0 — — H21B3 10 — — H21B1 7.5 — — H21B2 14 — — H21B3 25 — — All — — 1.0 V H21B1/2 — — 1.5 V All — 45 — COUPLED IF = 2 mA, VCE = 1.5 V On-State Collector Current IF = 5 mA, VCE = 1.5 V IC(ON) IF = 10 mA, VCE = 1.5 V Saturation Voltage Turn-On Time Turn-Off Time IF = 10 mA, IC = 1.8 mA IF = 60 mA, IC = 50 mA VCE(SAT) IF = 10 mA, VCC = 5 V, RL = 750Ω IF = 60 mA, VCC = 5 V, RL = 75Ω IF = 10 mA, VCC = 5 V, RL = 750Ω IF = 60 mA, VCC = 5 V, RL = 75Ω © 2002 Fairchild Semiconductor Corporation Page 3 of 6 ton mA µs All — 7 — All — 250 — All — 45 — toff µs 6/13/02 PHOTODARLINGTON OPTICAL INTERRUPTER SWITCH H21B1 H21B2 H21B3 Figure 1. Output Current vs. Input Current ICE(on), NORMALIZED OUTPUT CURRENT 100 80 60 40 20 10 8 6 4 2 NORMALIZED TO I F = 5 mA VCE = 1.5 V 1 .8 .6 .4 PULSED PW = 100 µsec PRR = 100 pps .2 .1 .08 .06 .04 .02 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 100 ICE(on), NORMALIZED OUTPUT CURRENT NORMALIZED TO VCE = 1.5 V, I F = 5 mA, TA = 25 °C INPUT PULSED IF = 100 mA 10 IF = 60 mA IF = 30 mA IF = 20 mA 1 IF = 10 mA IF = 5 mA IF = 2 mA 0.1 -50 -25 0 25 50 75 100 TA , AMBIENT TEMPERATURE (°C) Figure 3. VCE(SAT) vs. Temperature NORMALIZED TO IC 1.8 mA , TA = 25°C = IF 10 mA VCE(SAT), NORMALIZED 2 PULSED PW = 100 µs, PRR = 100 pps IC 50 mA = IF 60 mA 1 IC 3.6 mA = IF 20 mA 0.8 IC 1.8 mA = IF 10 mA IC 0.9 mA = IF 5 mA 0.6 0.4 -50 -25 0 25 50 75 100 TA , AMBIENT TEMPERATURE (°C) © 2002 Fairchild Semiconductor Corporation Page 4 of 6 6/13/02 PHOTODARLINGTON OPTICAL INTERRUPTER SWITCH H21B1 H21B2 H21B3 Figure 4. Leakage Current vs. Temperature DETECTOR 104 EMITTER 104 NORMALIZED TO VCE = 25 V T A = 25 °C 103 IR, NORMALIZED LEAKAGE CURRENT ICEO, NORMALIZED DARK CURRENT 103 VCE = 25 V 102 VCE = 10 V 10 102 NORMALIZED TO VR = 5 V TA = 25 °C 10 1 0.1 1 25 50 75 100 0.1 25 50 T A, AMBIENT TEMPERATURE (°C) 75 100 T A, AMBIENT TEMPERATURE (°C) Figure 6. Output Current vs. Distance d, DISTANCE (mils) Figure 5. Switching Speed vs. RL RL IF tON, AND tOFF NORMALIZED 1 .6 .4 PW = 300 µs PRR = 100 pps 7.5 AMPS, VCC = 5V IF = RL toff NORMALIZED TO RL = 750 Ω ton .2 0.1 10 20 40 60 80 100 75 200 400 157.5 236.2 315 393.7 + VCC 2 .8 1.00 ICE(on), NORMALIZED OUTPUT CURRENT 4 78.7 600 800 1000 1500 750 .1 NORMALIZED TO VALUE WITH SHIELD REMOVED BLACK SHIELD .01 + E D d o + BLACK SHIELD d .001 .0001 o 0 2 4 6 8 10 d, DISTANCE (mm) R L , LOAD RESISTANCE (Ω) © 2002 Fairchild Semiconductor Corporation Page 5 of 6 6/13/02 PHOTODARLINGTON OPTICAL INTERRUPTER SWITCH H21B1 H21B2 H21B3 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 the labeling, can be reasonably expected to result in a significant injury of the user. © 2002 Fairchild Semiconductor Corporation 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. Page 6 of 6 6/13/02