High Isolation Photoelectric Coupler HENGTUO HT-354-ATP1 Suitable for Intelligent Meters and Appliances
Product Overview
The HT-354X is a high-isolation photoelectric coupler from Hengtuo Technology Co., LTD., designed with a light-emitting diode and phototransistor. It is available in a 4-pin package with options for wide-lead spacing and SMD. Key features include a current transfer ratio (CTR) of MIN. 20% at IF = 1mA, VCE = 5V, and a high input-output isolation voltage of 3,750Vrms. The device operates reliably in a wide temperature range of -55 to 110 and holds multiple safety approvals including UL 1577, VDE DIN EN60747-5-5, and CQC. Its applications span programmable controllers, switching power supplies, intelligent meters, and various home appliances such as air conditioners, fans, and water heaters. The HT-354X is RoHS compliant and rated MSL1.
Product Attributes
- Brand: Hengtuo Technology Co., LTD.
- Product Series: HT-354X
- Certifications: UL 1577, VDE DIN EN60747-5-5 (VDE 0884-5), CQC11-471543-2022
- Compliance: RoHS, MSL1
- Lead Frame Material Options: Copper (NONE)
Technical Specifications
| Parameter | Symbol | Value | Unit | Condition |
|---|---|---|---|---|
| Current Transfer Ratio (CTR) | CTR | MIN. 20% | % | IF = 1mA, VCE = 5V |
| Input-Output Isolation Voltage | Viso | 3,750 | Vrms | AC for 1 minute, R.H.= 40 ~ 60% R.H. (pins 1, 2 shorted; pins 3, 4 shorted) |
| Operating Temperature Range | Top | -55 ~ 110 | C | |
| Storage Temperature Range | Tstg | -55 ~ 125 | C | |
| Input Forward Current | IF | 50 | mA | Maximum Rating |
| Input Reverse Voltage | VR | 6 | V | Maximum Rating |
| Input Power Dissipation | PD | 70 | mW | Maximum Rating |
| Output Collector-Emitter Voltage | VCEO | 80 | V | Maximum Rating |
| Output Emitter-Collector Voltage | VECO | 7 | V | Maximum Rating |
| Output Collector Current | IC | 50 | mA | Maximum Rating |
| Output Collector Power Dissipation | PC | 150 | mW | Maximum Rating |
| Total Power Consumption | P(W) | 200 | mW | Maximum Rating |
| Soldering Temperature | TSOL | 260 | C | For 10 seconds |
| Input Forward Voltage | VF | 1.2 (Typ.), 1.4 (Max.) | V | IF=20mA, TA = 25C |
| Reverse Current | IR | 10 | A | VR=4V, TA = 25C |
| Terminal Capacitance | Ct | 30 (Typ.), 250 (Max.) | pF | V=0, f=1KHz, TA = 25C |
| Output Collector Dark Current | ICEO | 100 | nA | VCE=20V, IF=0, TA = 25C |
| Collector-Emitter Breakdown Voltage | BVCEO | 80 | V | IC=0.1mA, IF=0, TA = 25C |
| Emitter-Collector Breakdown Voltage | BVECO | 7 | V | IE=10A, IF=0, TA = 25C |
| Collector-Emitter Saturation Voltage | VCE(sat) | 0.1 (Min.), 0.2 (Typ.) | V | IF=20mA, IC=1mA, TA = 25C |
| Isolation Resistance | Riso | 51010 (Min.), 11011 (Typ.) | DC500V, 40 ~ 60% R.H., TA = 25C | |
| Floating Capacitance | Cf | 0.6 (Typ.), 1 (Max.) | pF | V=0, f=1MHz, TA = 25C |
| Cut-off Frequency | fc | 80 | kHz | VCE=5V, IC=2mA, RL=100, -3dB, TA = 25C |
| Response Time (Rise) | tr | 4 (Min.), 18 (Max.) | s | VCE=2V, IC=2mA, RL=100, TA = 25C |
| Response Time (Fall) | tf | 3 (Min.), 18 (Max.) | s | VCE=2V, IC=2mA, RL=100, TA = 25C |
| CTR Rank (NONE) | CTR | 20 (Min.) - 300 (Max.) | % | IF=1mA, VCE=5V, Ta=25C |
| CTR Rank (A) | CTR | 50 (Min.) - 150 (Max.) | % | IF=1mA, VCE=5V, Ta=25C |
| CTR Rank (B) | CTR | 100 (Min.) - 300 (Max.) | % | IF=1mA, VCE=5V, Ta=25C |
Note: Dimensions and specifications are subject to change without notice. Please refer to the latest documentation for current details.
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