Document
Photomicrosensor (Reflective)
EE-SF5(-B)
Be sure to read Precautions on page 24.
■ Dimensions
Note: All units are in millimeters unless otherwise indicated.
Matted
1.9 dia.
2.2±0.2 dia. hole
■ Features
• 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). • Recommended sensing distance = 5.0 mm
■ Absolute Maximum Ratings (Ta = 25°C)
Four, 0.25 7.62±0.3
Four, 1.5
Four, 0.5
7.6±1
2.54±0.2 EE-SF5
2.54 EE-SF5-B
Internal Circuit
A E Unless otherwise specified, the tolerances are as shown below.
KC
Terminal No.
A K C E
Name
Anode Cathode Collector Emitter
Dimensions
3 mm max.
3 < mm ≤ 6 6 < mm ≤ 10 10 < mm ≤ 18 18 < mm ≤ 30
Tolerance
±0.3 ±0.375 ±0.45 ±0.55 ±0.65
Emitter
Item Forward current
Pulse forward current
Reverse voltage
Detector
Collector–Emitter voltage
Emitter–Collector voltage
Collector current
Collector dissipation
Ambient tem- Operating
perature
Storage
Soldering temperature
Symbol IF
IFP
VR VCEO
VECO
IC PC
Topr Tstg Tsol
Rated value 50 mA (see note 1) 1A (see note 2) 4V 30 V
---
20 mA 100 mW (see note 1) –25°C to 80°C –30°C to 80°C 260°C (see note 3)
Note: 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.
3. Complete soldering within 10 seconds.
■ Electrical and Optical Characteristics (Ta = 25°C)
Emitter Detector
Item Forward voltage Reverse current Peak emission wavelength Light current
Symbol VF IR λP IL
Value 1.2 V typ., 1.5 V max. 0.01 μA typ., 10 μA max. 940 nm typ. 200 μA min., 2,000 μA max.
Dark current Leakage current
ID ILEAK
Rising time Falling time
Collector–Emitter saturated volt- VCE (sat) age
Peak spectral sensitivity wave- λP length
tr
tf
2 nA typ., 200 nA max. 2 μA max.
---
850 nm typ.
30 μs typ. 30 μs typ.
Condition IF = 30 mA VR = 4 V IF = 20 mA IF = 20 mA, VCE = 10 V White paper with a reflection ratio of 90%, d = 5 mm (see note) VCE = 10 V, 0 lx IF = 20 mA, VCE = 10 V with no reflection ---
VCE = 10 V
VCC = 5 V, RL = 1 kΩ, IL = 1 mA 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.
172 EE-SF5(-B) Photomicrosensor (Reflective)
Light current IL (mA)
Collector dissipation PC (mW) Light current IL (μA)
Forward current IF (mA)
■ Engineering Data
Forward Current vs. Collector Dissipation Temperature Rating
Light Current vs. Forward Current 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)
Ta = 25°C d = 5 mm Sensing object: IF = 40 mA White paper with a reflection factor of 90%
IF = 30 mA
IF = 20 mA
IF = 10 mA
Ambient temperature Ta (°C) Relative Light Current vs. Ambient Temperature Characteristics (Typical)
IF = 20 mA VCE = 5 V
Forward current IF (mA)
Dark Current vs. Ambient Temperature Characteristics (Typical)
VCE = 10 V 0lx
Collector−Emitter voltage VCE (V)
Response Time vs. Load Resistance Characteristics (Typical)
VCC = 5 V Ta = 25°C
Response time tr, tf (μs)
Dark Current ID (nA)
Relative light current IL (%)
Relative light current IL (%)
Relative light current IL (%)
Light current IL (μA)
Ambient temperature Ta (°C)
Sensing Distance Characteristics (Typical)
Ta = 25°C VCE = 10 V Sensing object: White paper with a reflection factor of 90%
Ambient temperature Ta (°C)
Sensing Position Characteristics (Typical)
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%
d1
Load resistance RL (kΩ)
Sensing Position 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 d (mm) Sensing Angle Characteristics (Typical)
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 (°)
Distance d2 (mm)
Sensing Angle Characteristics (Typical)
Distance d2 (mm)
Response Time Measurement Circuit
Input Output
90 % 10 %
Relative light current IL (%)
Input
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 (°)
Output
EE-SF5(-B) Photomicrosensor (Reflective)
173
Relative light current IL (%)
.