Document
TCST1210
Vishay Telefunken
Transmissive Optical Sensor with Phototransistor Output
Description
This device has a compact construction where the emitting-light sources and the detectors are located face-to-face on the same optical axis. The operating wavelength is 950 nm. The detector consists of a phototransistor.
Applications
D Contactless optoelectronic switch, control
and counter
95 10541
Features
D Compact construction D No setting efforts D Polycarbonate case protected against
ambient light
15118
D Current Transfer Ratio (CTR) of typical 10%
10.0
Top view
Order Instruction
Ordering Code TCST1210 Resolution (mm) / Aperture (mm) 0.4 / 0.5 Remarks
Document Number 83769 Rev. A1, 08–Jun–99
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TCST1210
Vishay Telefunken Absolute Maximum Ratings
Input (Emitter)
Parameter Reverse voltage Forward current Forward surge current Power dissipation Junction temperature Test Conditions Symbol VR IF IFSM PV Tj Value 5 50 1 100 100 Unit V mA A mW °C
tp ≤ 10 ms Tamb ≤ 25°C
Output (Detector)
Parameter Collector emitter voltage Emitter collector voltage Collector current Collector peak current Power dissipation Junction temperature Test Conditions Symbol VCEO VECO IC ICM PV Tj Value 30 5 30 100 100 100 Unit V V mA mA mW °C
tp/T = 0.5, tp ≤ 10 ms Tamb ≤ 25°C
Coupler
Parameter Total power dissipation Operating temperature range Storage temperature range Soldering temperature Test Conditions Tamb ≤ 25°C Symbol Ptot Tamb Tstg Tsd Value 200 –20 to +85 –30 to +100 260 Unit mW °C °C °C
2 mm from case, t ≤ 5 s
Electrical Characteristics (Tamb = 25°C)
Input (Emitter)
Parameter Forward voltage Reverse voltage Junction capacitance Test Conditions IF = 20 mA IR = 10 mA VR = 0, f = 1 MHz Symbol VF VR Cj Min. 5 50 Typ. 1.25 Max. 1.6 Unit V V pF
Output (Detector)
Parameter Collector emitter voltage Emitter collector voltage Collector dark current Test Conditions IC = 1 mA IE = 10 mA VCE = 10 V, IF = 0, E = 0 Symbol VCEO VECO ICEO Min. 30 5 Typ. Max. Unit V V nA
100
Coupler
Parameter Current transfer ratio Collector current Test Conditions VCE = 5 V, IF = 20 mA VCE = 5 V, IF = 20 mA Symbol CTR IC Min. 2.5 0.5 Typ. 10 2 Max. Unit % mA
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Document Number 83769 Rev. A1, 08–Jun–99
TCST1210
Vishay Telefunken Switching Characteristics
Parameter Rise time Fall time Test Conditions VS = 5 V, IC = 100 m mA, RL = 1 kW (see figure 1) Symbol tr tf Typ. 20.0 20.0 Unit ms ms
0
IF RG = 50 W tp = 0.01 T tp = 50 ms
IF
IC = 100 mA Adjusted throug input amplitude
+5V
96 11698
IF
0 tp IC
t
Channel I Channel II 50 W 1 kW
Oscilloscope RL > 1 M W CL < 20 pF
15119
100% 90%
Figure 1. Test circuit
10% 0 tr td ton tp td tr ton (= td + tr) pulse duration delay time rise time turn-on time ts toff ts tf toff (= ts + tf) tf
t
storage time fall time turn-off time
Figure 2. Switching times
Document Number 83769 Rev. A1, 08–Jun–99
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TCST1210
Vishay Telefunken Typical Characteristics (Tamb = 25_C, unless otherwise specified)
100 I C – Collector Current ( mA ) I F – Forward Current ( mA ) 10 VCE = 5V 1
10
0.1
1
0.01
0.1 0
16097
0.001 0.4 0.8 1.2 1.6 2.0
16100
0.1
1
10
100
VF – Forward Voltage ( V )
IF – Forward Current ( mA )
Figure 3. Forward Current vs. Forward Voltage
CTR rel – Relative Current Transfer Ratio 1.2
Figure 6. Collector Current vs. Forward Current
10 IC – Collector Current ( mA ) IF=50mA 1 20mA 10mA 5mA 0.1 2mA 1mA 0.01
1.0
0.8
0.6 VCE=10V IF=10mA 0.4 –25 0 25 50 75 100
0.1
16101
1
10
100
16098
Tamb – Ambient Temperature ( °C )
VCE – Collector Emitter Voltage ( V )
Figure 4. Relative Current Transfer Ratio vs. Ambient Temperature
1000
Figure 7. Collector Current vs. Collector Emitter Voltage
100 VCE=10V IF=0 CTR – Current Transfer Ratio ( % )
I CEO– Collector Dark Current, with open Base ( µ A )
100
10
10
1 VCE=5V 0.1 0.1 1 10 100
1 0
16099
25
50
75
100
16102
Tamb – Ambient Temperature ( °C )
IF – Forward Current ( mA )
Figure 5. Collector Dark Current vs. Ambient Temperature
Figure 8. Current Transfer Ratio vs. Forward Current
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Document Number 83769 Rev. A1, 08–Jun–99
TCST1210
Vishay Telefunken Dimensions of TCST1210 in mm
15121
Document Number 83769 Rev. A1, 08–Jun–99
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TCST1210
Vishay Telefunken Ozone Depleting Substances Policy Statement
It is the policy of Vishay Semiconductor GmbH to 1. Meet all present and future national and international statutory requirements. 2. Regularly and continuously improve the performance of our products, processes, distribution and operating systems with respect to their impact on the health and safety of our employees and the public, as well as their impact on the environment. It is particular concern to control or eliminate releases of those substances into the atmosphere which are known as ozone depleting substances ( ODSs ). The Montreal Protocol ( 1987 ) and its London Amendments ( 1990 ) intend to severely restrict the use of ODSs and.