Versatile Photoelectric Coupler HENGTUO PC-3H7-BTP1 for Programmable Controllers and Power Supplies
Product Overview
The PC-3H7X is a photoelectric coupler featuring a light-emitting diode and a phototransistor, housed in a 4-pin package. It offers a high input-output isolation voltage of 3,750Vrms and a wide operating temperature range from -55 to 110. Key features include a minimum current transfer ratio (CTR) of 50% at IF = 5mA, VCE = 5V. This product is compliant with RoHS and MSL1, and has received safety approvals including UL 1577, VDE DIN EN60747-5-5, and CQC. Applications include programmable controllers, switching power supplies, intelligent meters, and various home appliances such as air conditioners, fans, and water heaters.
Product Attributes
- Product Type: Photoelectric Coupler
- Series: PC series
- Model: PC-3H7X
- Certifications: UL 1577, VDE DIN EN60747-5-5 (VDE 0884-5), CQC11-471543-2022
- Compliance: RoHS, MSL1
- Lead Frame Material: Copper (NONE)
Technical Specifications
| Parameter | Symbol | Value | Unit | Condition |
|---|---|---|---|---|
| Current Transfer Ratio (CTR) | CTR | MIN. 50% | % | IF = 5mA, VCE = 5V |
| Input-Output Isolation Voltage | VISO | 3,750 | Vrms | AC for 1 minute, R.H.= 40 ~ 60% R.H. |
| Operating Temperature Range | Top | -55 ~ 110 | C | |
| Storage Temperature Range | Tstg | -55 ~ 125 | C | |
| Input Forward Current (Max) | IF | 50 | mA | |
| Input Reverse Voltage (Max) | VR | 6 | V | |
| Input Power Dissipation (Max) | PD | 70 | mW | |
| Output Collector-Emitter Voltage (Max) | VCEO | 80 | V | |
| Output Collector Current (Max) | IC | 50 | mA | |
| Output Collector Power Dissipation (Max) | PC | 150 | mW | |
| Input Forward Voltage | VF | - 1.2 - 1.4 | V | IF=20mA |
| Reverse Current | IR | - - 10 | A | VR=4V |
| Terminal Capacitance | Ct | - 30 - 250 | pF | V=0, f=1KHz |
| Output Collector Dark Current | ICEO | - - 100 | nA | VCE=20V, IF=0 |
| Collector-Emitter Breakdown Voltage | BVCEO | 80 | V | IC=0.1mA, IF=0 |
| Emitter-Collector Breakdown Voltage | BVECO | 7 | V | IE=10A, IF=0 |
| Collector-Emitter Saturation Voltage | VCE(sat) | 0.1 - 0.2 | V | IF=20mA, IC=1mA |
| Isolation Resistance | Riso | 51010 - 11011 | DC500V, 40 ~ 60% R.H. | |
| Floating Capacitance | Cf | 0.6 - 1 | pF | V=0, f=1MHz |
| Cut-off Frequency | fc | 80 | kHz | VCE=5V, IC=2mA RL=100,-3d B |
| Response Time (Rise) | tr | 4 - 18 | s | VCE=2V, IC=2mA RL=100 |
| Response Time (Fall) | tf | 3 - 18 | s | VCE=2V, IC=2mA RL=100 |
| Soldering Temperature | TSOL | 260 | C | For 10 seconds |
2410241625_HENGTUO-PC-3H7-BTP1_C42368120.pdf
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