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MCT2, MCT2E OPTOCOUPLERS
SOES023 - MARCH 1983 - REVISED OCTOBER 1995
COMPATIBLE WITH STANDARD TTL INTEGRATED CIRCUITS
D D D D D D D
Gallium Arsenide Diode Infrared Source Optically Coupled to a Silicon npn Phototransistor High Direct-Current Transfer Ratio Base Lead Provided for Conventional Transistor Biasing High-Voltage Electrical Isolation . . . 1.5-kV, or 3.55-kV Rating Plastic Dual-In-Line Package High-Speed Switching: tr = 5 s, tf = 5 s Typical Designed to be Interchangeable with General Instruments MCT2 and MCT2E
MCT2 OR MCT2E . . . PACKAGE (TOP VIEW)
ANODE CATHODE NC
1 2 3
6 5 4
BASE COLLECTOR EMITTER
NC - No internal connection
absolute maximum ratings at 25C free-air temperature (unless otherwise noted)
Input-to-output voltage: MCT2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5 kV MCT2E . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.55 kV Collector-base voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 V Collector-emitter voltage (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 V Emitter-collector voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V Emitter-base voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V Input-diode reverse voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 V Input-diode continuous forward current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60 mA Input-diode peak forward current (tw 1 ns, PRF 300 Hz) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 A Continuous power dissipation at (or below) 25C free-air temperature: Infrared-emitting diode (see Note 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200 mW Phototransistor (see Note 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200 mW Total, infrared-emitting diode plus phototransistor (see Note 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . 250 mW Operating free-air temperature range, TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 55C to 100C Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 55C to 150C Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260C
Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. NOTES: 1. This value applies when the base-emitter diode is open-circulated. 2. Derate linearly to 100 C free-air temperature at the rate of 2.67 mW/C. 3. Derate linearly to 100 C free-air temperature at the rate of 3.33 mW/C.
PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters.
Copyright (c) 1995, Texas Instruments Incorporated
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1
MCT2, MCT2E OPTOCOUPLERS
SOES023 - MARCH 1983 - REVISED OCTOBER 1995
electrical characteristics at 25C free-air temperature (unless otherwise noted)
PARAMETER V(BR)CBO V(BR)CEO V(BRECO) IR IC(on) Collector-base breakdown voltage Collector-emitter breakdown voltage Emitter-collector breakdown voltage Input diode static reverse current On-state collector current Phototransistor operation Photodiode operation IC(off) Off-state collector current Phototransistor operation Photodiode operation HFE VF VCE(sat) rIO Cio Transistor static forward current transfer ratio Input diode static forward voltage Collector-emitter saturation voltage Input-to-output internal resistance TEST CONDITIONS IC = 10 A, IC =1 mA, IE = 100 A, VR = 3 V VCE = 10 V, VCB = 10 V, VCE = 10 V, VCB = 10 V, VCE = 5 V, IC = 100 A A, IF = 0 IF = 20 mA IC = 2 mA, IE = 0, IB = 0, IB = 0, IF = 0 IF = 0 IF = 0 MIN 70 30 7 10 IB = 0, IE = 0, IB = 0, IE = 0, MCT2 MCT2E 100 IF = 10 mA IF = 10 mA IF = 0 IF = 0 2 5 20 1 0.1 250 300 1.25 0.25 1011 1.5 4 V V 50 20 TYP MAX UNIT V V V A mA A nA nA
IB = 0, IF = 16 mA Vin-out = 1.5 kV for MCT2, 3.55 kV for MCT2E, See Note 4 Vin-out = 0, See Note 4 f = 1 MHz,
Input-to-output capacitance
1
pF
NOTE 4: These parameters are measured between both input diode leads shorted together and all the phototransistor leads shorted together.
switching characteristics
PARAMETER tr tf tr tf Rise time Fall time Rise time Fall time Phototransistor operation Photodiode operation TEST CONDITIONS VCC = 10 V, , RL = 100 , VCC = 10 V, RL = 1 k, IC(on) = 2 mA, , See Test Circuit A of Figure 1 IC(on) 20 A, See Test Circuit B of Figure 1 MIN TYP 5 1 MAX UNIT s s
2
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MCT2, MCT2E OPTOCOUPLERS
SOES023 - MARCH 1983 - REVISED OCTOBER 1995
PARAMETER MEASUREMENT INFORMATION
47 Input 0V Output (see Note B) + - VCC = 10 V RL = 100 Input 47 Input tr 90% 10% Output 90% 10% + - VCC = 10 V tf Output (see Note B) RL = 1 k
TEST CIRCUIT A PHOTOTRANSISTOR OPERATION
VOLTAGE WAVEFORMS
TEST CIRCUIT B PHOTODIODE OPERATION
NOTES: A. The input waveform is supplied by a generator with the following characteristics: ZO = 50 , tr 15 ns, duty cycle 1%, tw = 100 s. B. The output waveform is monitored on an oscilloscope with the following characteristics: tr 12 ns, Rin 1 M, Cin 20 pF.
Figure 1. Switching Times
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MCT2, MCT2E OPTOCOUPLERS
SOES023 - MARCH 1983 - REVISED OCTOBER 1995
TYPICAL CHARACTERISTICS
COLLECTOR CURRENT vs INPUT-DIODE FORWARD CURRENT
100 40 I C - Collector Current - mA 10 4 1 0.4 0.1 0.04 0.01 0.1 0 0.4 1 4 10 40 IF - Input-Diode Forward Current - mA 100 VCE = 10 V IB = 0 TA = 25C 60 IB = 0 TA = 25C See Note A
COLLECTOR CURRENT vs COLLECTOR-EMITTER VOLTAGE
50 I C - Collector Current - mA
40 Max Continuous Power Dissipation 30 IF = 40 mA 20 IF = 30 mA 10 IF = 20 mA IF = 20 mA
0
2
4
6
8
10
12
14
16
18
20
VCE - Collector-Emitter Voltage - V NOTE A: Pulse operation of input diode is required for operation beyond limits shown by dotted lines.
Figure 2
ON-STATE COLLECTOR CURRENT (RELATIVE TO VALUE AT 25C) vs FREE-AIR TEMPERATURE
1.6 1.4 On-State Collector Current (Relative to Value at TA = 25 C) 1.2 1 0.8 0.6 0.4 0.2 0 - 75 VCE = 0.4 V to 10 V IB = 0 IF = 10 mA See Note B
Figure 3
- 50
- 25
0
25
50
75
100
125
TA - Free-Air Temperature - C NOTE B: These parameters were measured using pulse techniques, tw = 1 ms, duty cycle 2 %.
Figure 4
4
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MCT2, MCT2E OPTOCOUPLERS
SOES023 - MARCH 1983 - REVISED OCTOBER 1995
MECHANICAL INFORMATION
The package consists of a gallium-arsenide infrared-emitting diode and an npn silicon phototransistor mounted on a 6-lead frame encapsulated within an electrically nonconductive plastic compound. The case can withstand soldering temperature with no deformation and device performance characteristics remain stable when operated in high-humidity conditions. Unit weight is approximately 0.52 grams.
9,40 (0.370) 8,38 (0.330) C L 6 5 4 6,61 (0.260) 6,09 (0.240) Index Dot (see Note B) 1 2 3 (see Note C) Seating Plane 1,01 (0.040) MIN 2,29 (0.090) 1,27 (0.050) 2,54 (0.100) T.P. (see Note A) 0,534 (0.021) 0,381 (0.015) 6 Places C L 7,62 (0.300) T.P. 5,46 (0.215) 2,92 (0.115) 1,78 (0.070) 0,51 (0.020)
1,78 (0.070) MAX 6 Places
105 90 0,305 (0.012) 0,203 (0.008)
3,81 (0.150) 3,17 (0.125)
NOTES: A. Leads are within 0,13 (0.005) radius of true position (T.P.) with maximum material condition and unit installed. B. Pin 1 identified by index dot. C. Terminal connections: 1. Anode (part of the infrared-emitting diode) 2. Cathode (part of the infrared-emitting diode) 3. No internal connection 4. Emitter (part of the phototransistor) 5. Collector (part of the phototransistor) 6. Base (part of the phototransistor) D. The dimensions given fall within JEDEC MO-001 AM dimensions. E. All linear dimensions are given in millimeters and parenthetically given in inches.
Figure 5. Mechanical Information
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Copyright (c) 1998, Texas Instruments Incorporated

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