Back Opto–Switch EE–SF5(–B) Reflective Phototransistor output. Sensing distance 5mm. Dust-tight construction. With a visible-light intercepting filter which allows objects to be sensed without being greatly influenced by the light radiated from fluorescent lamps. Mounted with M2 screws. Model with soldering terminals (EE-SF5). Model with PCB terminals (EE-SF5-B). Dimensions Matte d 1.9 dia. Internal Circuit 2.2 dia. hole A C K E Terminal No. A K C E Name Anode Cathode Collector Emitter Unless otherwise specified, the tolerances are as shown below. Four , 1.5 Four, 0.25 Four, 0.5 7.6±1 2.54±0.2 7.62±0.3 2.54±0.2 EE-SF5 EE-SF5-B Dimensions Tolerance 3 mm max. ±0.3 3 t mm v 6 ±0.375 6 t mm v 10 ±0.45 10 t mm v 18 ±0.55 18 t mm v 30 ±0.65 Absolute Maximum Ratings (Ta = 25°C) Item Emitter Detector Ambient temperature Note: Symbol Rated value Forward current IF 50 mA (see note 1) Pulse forward current IFP 1 A (see note 2) Reverse voltage VR 4V Collector–Emitter voltage VCEO 30 V Emitter–Collector voltage VECO --- Collector current IC 20 mA Collector dissipation PC 100 mW (see note 1) Operating Topr –25°C to 80°C Storage Tstg –30°C to 80°C Soldering Tsol 260°C 1. Refer to the temperature rating chart if the ambient temperature exceeds 25°C. 2. The pulse width is 10 µs maximum with a frequency of 100 Hz. Electrical and Optical Characteristics (Ta = 25°C) Item Emitter Detector Symbol Value Condition Forward voltage VF 1.2 V typ., 1.5 V max. IF = 30 mA Reverse current IR 0.01 µA typ., 10 µA max. VR = 4 V Peak emission wavelength λP 940 nm typ. IF = 20 mA Light current IL 200 µA min., 2,000 µA max. IF = 20 mA, VCE = 10 V White paper with a reflection ratio of 90%, d = 5 mm (see note) Dark current ID 2 nA typ., 200 nA max. VCE = 10 V, 0 ȏx Leakage current ILEAK 2 µA max. IF = 20 mA, VCE = 10 V with no reflection Collector–Emitter saturated voltage VCE (sat) --- --- Peak spectral sensitivity wavelength λP 850 nm typ. VCE = 10 V Rising time tr 30 µs typ. VCC = 5 V, RL = 1 kΩ, IL = 1 mA Falling time tf 30 µs typ. VCC = 5 V, RL = 1 kΩ, IL = 1 mA Note: The letter “d” indicates the distance between the top surface of the sensor and the sensing object. Engineering Data Ambient temperature Ta (°C) VCE = 10 V 0 ȏx IF = 20 mA VCE = 5 V Ambient temperature Ta (°C) Light current I L (mA) Forward current IF (mA) Dark Current vs. Ambient Temperature Characteristics (Typical) Dark current I D (nA) Relative light current I L (%) Relative Light Current vs. Ambient Temperature Characteristics (Typical) Ta = 25°C VCE = 10 V d = 5 mm Sensing object: White paper with a reflection factor of 90% Light Current vs. Collector–Emitter Voltage Characteristics (Typical) Ambient temperature Ta (°C) Ta = 25°C d = 5 mm Sensing object: White paper with a reflection factor of 90% IF = 40 mA IF = 30 mA IF = 20 mA IF = 10 mA Collector–Emitter voltage VCE (V) Response Time vs. Load Resistance Characteristics (Typical) Vcc = 5 V Ta = 25°C Response time tr, tf ( µ s) Forward current I F (mA) Light current I L (mA) Light Current vs. Forward Current Characteristics (Typical) Collector dissipation Pc (mW) Forward Current vs. Collector Dissipation Temperature Rating Load resistance RL (kΩ) Sensing Angle Characteristics (Typical) Relative light current I L (%) Distance d2 (mm) Sensing Angle Characteristics (Typical) Relative light current I L (%) Distance d (mm) IF = 20 mA VCE = 5 V Ta = 25°C (a) : d1 = 3 mm (b) : d1 = 5 mm Sensing object: White paper with a reflection factor of 90% Ta = 25°C IF = 20 mA VCE = 10 V Sensing object: White paper with a reflection factor of 90% d = 5 mm Angle deviation θ (°) Sensing Position Characteristics (Typical) Relative light current I L (%) Light current I L ( µA) Ta = 25°C VCE = 10 V Sensing object: White paper with a reflection factor of 90% Sensing Position Characteristics (Typical) Relative light current I L (%) Sensing Distance Characteristics (Typical) IF = 20 mA VCE = 5 V Ta = 25°C d1 = 5 mm Sensing object: White paper with a reflection factor of 90% Phototransistor side LED side d1 = 5 mm Distance d2 (mm) Response Time Measurement Circuit Input Output Sensing object Ta = 25°C IF = 20 mA VCE = 10 V d = 5 mm Sensing object: White paper with a reflection factor of 90% Angle deviation θ (°) 90 % 10 % Input Output