Durable Photoelectric Coupler HENGTUO HT-357-ATP1 Suitable for Programmable Controllers and Appliances
Product Overview
The HT-357X is a photoelectric coupler from Hengtuo Technology Co., LTD., designed with a light-emitting diode and a phototransistor integrated into a 4-pin package. It offers high input-output isolation voltage of 3,750Vrms and operates across a wide temperature range of -55 to 110. Key features include a minimum Current Transfer Ratio (CTR) of 50% and compliance with safety standards such as UL 1577, VDE DIN EN60747-5-5, and CQC. This RoHS and MSL1 compliant device is suitable for applications including programmable controllers, switching power supplies, intelligent meters, and various home appliances like air conditioners, fans, and water heaters.
Product Attributes
- Brand: Hengtuo Technology Co., LTD.
- Product Series: HT-357X
- Certifications: UL 1577, VDE DIN EN60747-5-5 (VDE 0884-5), CQC11-471543-2022
- Compliance: RoHS, MSL1
- Lead Form Options: NONE (SOP4), (1)
- CTR Rank Options: A, B, C, D, E, NONE
- Tape and Reel Options: TP, TP1
- Lead Frame Material Options: F, NONE (Copper)
- VDE Order Option: V (fixed code)
- Halogen Free Option: G (fixed code)
Technical Specifications
| Parameter | Symbol | Min. | Typ. | Max. | Unit | Condition |
|---|---|---|---|---|---|---|
| Input Forward Current | IF | - | - | 50 | mA | |
| Reverse Voltage | VR | - | - | 6 | V | |
| Power Dissipation (Input) | PD | - | - | 70 | mW | |
| Derating Factor (Input, above Ta = 90C) | - | - | - | 2.9 | mW/C | |
| Collector - Emitter Voltage | VCEO | - | - | 80 | V | |
| Emitter - Collector Voltage | VECO | - | - | 7 | V | |
| Collector Current | IC | - | - | 50 | mA | |
| Collector Power Dissipation | PC | - | - | 150 | mW | |
| Derating Factor (Output, above Ta = 70C) | - | - | - | 3.7 | mW/C | |
| Operating Temperature Range | Top | -55 | - | 110 | C | |
| Storage Temperature Range | Tstg | -55 | - | 125 | C | |
| Total Power Consumption | P(W) | - | - | 200 | mW | |
| Isolation Voltage | VISO | - | - | 3750 | Vrms | AC for 1 minute, R.H.= 40 ~ 60% |
| Soldering Temperature | TSOL | - | - | 260 | C | For 10 seconds |
| 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, |
| CTR Rank (NONE) | CTR | 50 | - | 600 | % | IF=5mA, VCE=5V, Ta=25C |
| CTR Rank (A) | CTR | 80 | - | 160 | % | IF=5mA, VCE=5V, Ta=25C |
| CTR Rank (B) | CTR | 130 | - | 260 | % | IF=5mA, VCE=5V, Ta=25C |
| CTR Rank (C) | CTR | 200 | - | 400 | % | IF=5mA, VCE=5V, Ta=25C |
| CTR Rank (D) | CTR | 300 | - | 600 | % | IF=5mA, VCE=5V, Ta=25C |
2504101957_HENGTUO-HT-357-ATP1_C34376199.pdf
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