CNY74-2 Power Mosfet Transitor Multichannel Optocoupler with
Phototransistor Output
Description
The CNY74-2H and CNY74-4H consist of a phototransistor optically
coupled to a gallium arsenide infrared-emitting diode in an 8-lead,
resp. 16-lead plastic dual inline package. The elements are mounted
on one leadframe using a coplanar technique, providing a fixed
distance between input and output for highest safety requirements.
Applications
Galvanically separated circuits, non-interacting switches
Features
CNY74-2H includes 2 isolater channels
CNY74-4H includes 4 isolater channels
Isolation test voltage VIO = 5 kV
Test class 25/100/21 DIN 40 045
Low coupling capacitance of typical 0.3 pF Current Transfer Ratio
(CTR) of typical 100% Low temperature coefficient of CTR
Wide ambient temperature range
Underwriters Laboratory (UL) 1577 recognized, file number E-76222
CSA (C–UL) 1577 recognized, file number E-76222 – Double Protection
Coupling System U
Order Instruction
| Ordering Code | CTR Ranking | Remarks |
|---|
| CNY74–2H | 50 to 600% | 8 Pin = Dual channel |
| CNY74–4H | 50 to 600% | 16 Pin = Quad channel |
Absolute Maximum Ratings Input (Emitter)
Input (Emitter)
| Parameter | Test Conditions | Symbol | Value | Unit |
|---|
| Reverse voltage | | VR | 6 | V |
| Forward current | | IF | 60 | mA |
| Forward surge current | tp ≤ 10s | IFSM | 1.5 | A |
| Power dissipation | Tamb ≤ 25C | PV | 100 | mW |
| Junction temperature | | Tj | 125 | °C |
Output (Detector)
| Parameter | Test Conditions | Symbol | Value | Unit |
|---|
| Collector emitter voltage | | VCEO | 70 | V |
| Emitter collector voltage | | VECO | 7 | V |
| Collector current | | IC | 50 | mA |
| Peak collector current | tp/T = 0.5, tp ≤ 10 ms | ICM | 100 | mA |
| Power dissipation | Tamb ≤ 25C | PV | 150 | mW |
| Junction temperature | | Tj | 125 | °C |
Coupler
| Parameter | Test Conditions | Symbol | Value | Unit |
|---|
| AC isolation test voltage (RMS) | t = 1 min | VIO 1) | 5 | kV |
| Total power dissipation | Tamb ≤ 25C | Ptot | 250 | mW |
| Ambient temperature range | | Tamb | –40 to +100 | °C |
| Storage temperature range | | Tstg | –55 to +125 | °C |
| Soldering temperature | | Tsd | 260 | °C |
| 1) Related to standard climate 23/50 DIN 50014 |
Electrical Characteristics (Tamb = 25°C)
Input (Emitter)
| Parameter | Test Conditions | Symbol | Min. | Typ. | Max. | Unit |
|---|
| Forward voltage | IF = 50 mA | VF | | 1.25 | 1.6 | V |
Output (Detector)
| Parameter | Test Conditions | Symbol | Min | Typ. | Max. | Unit |
|---|
| Collector emitter voltage | IC = 1 mA | VCEO | 70 | | | V |
| Emitter collector voltage | IE = 100 A | VECO | 7 | | | V |
| Collector dark current | VCE = 20 V, IF = 0, E = 0 | ICEO | | | 100 | nA |
Coupler
| Parameter | Test Conditions | Symbol | Min. | Typ. | Max. | Unit |
| DC isolation test voltage | t = 2 s | VIO1) | 5 | | | kV |
| Isolation resistance | VIO = 1000 V, 40% relative humidity | RIO1) | | 1012 | | Ω |
Collector emitter saturation voltage | IF = 10 mA, IC = 1 mA | VCEsat | | | 0.3 | V |
| Cut-off frequency | VCE = 5 V, IF = 10 mA, RL = 100 | fc | | 100 | | kHz |
| Coupling capacitance | f = 1 MHz | Ck | | 0.3 | | pF |
| 1) Related to standard climate 23/50 DIN 50014 |
Current Transfer Ratio (CTR)
| Parameter | Test Conditions | Type | Symbol | Min. | Typ. | Max. | Unit |
|---|
| IC/IF | VCE = 5 V, IF = 5 mA | | CTR | 0.5 | 1.0 | 6.0 | |
| VCE = 5 V, IF = 10 mA | | CTR | 0.6 | 1.2 | | |
Switching Characteristics
| Parameter | Test Conditions | Symbol | Typ. | Unit |
|---|
| Delay time | VS = 5 V, IC = 2 mA, RL = 100 (see figure 1) | td | 3.0 | μS |
| Rise time | tr | 3.0 | μS |
| Fall time | tf | 4.7 | μS |
| Storage time | ts | 0.3 | μS |
| Turn-on time | ton | 6.0 | μS |
| Turn-off time | toff | 5.0 | μS |
| Turn-on time | VS = 5 V, IF = 10 mA, RL = 1 k (see figure 2) | ton | 9.0 | μS |
| Turn-off time | toff | 18.0 | μS |
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