Datasheet H21B1, H21B2, H21B3 (Fairchild) - 3

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
COUPLED
H21B1 0.5 — — IF = 2 mA, VCE = 1.5 V H21B2 1.0 — — H21B3 2.0 — — H21B1 2.5 — — I = 5 mA, V = 1.5 V I F CE C(ON) H21B2 5.0 — — mA On-State Collector Current H21B3 10 — — H21B1 7.5 — — IF = 10 mA, VCE = 1.5 V H21B2 14 — — H21B3 25 — — IF = 10 mA, IC = 1.8 mA All — — 1.0 V Saturation Voltage VCE(SAT) IF = 60 mA, IC = 50 mA H21B1/2 — — 1.5 V IF = 10 mA, VCC = 5 V, All — 45 — RL = 750Ω Turn-On Time ton µs IF = 60 mA, VCC = 5 V, All — 7 — RL = 75Ω IF = 10 mA, VCC = 5 V, All — 250 — RL = 750Ω Turn-Off Time toff µs IF = 60 mA, VCC = 5 V, All — 45 — RL = 75Ω © 2002 Fairchild Semiconductor Corporation Page 3 of 6 6/13/02