Photoelectric Coupler HENGTUO HT-357-BTP1 with 3750Vrms Isolation Voltage and Wide Temperature Range
Key Attributes
Model Number:
HT-357-BTP1
Product Custom Attributes
Output Current:
50mA
Fall Time:
3us
Rise Time:
4us
Vce Saturation(VCE(sat)):
100mV@20mA,1mA
Operating Temperature:
-55℃~110℃
Load Voltage:
80V
Reverse Voltage:
6V
Current Transfer Ratio:
130%;260%
Forward Current(If):
50mA
Number Of Channels:
1
Pd - Power Dissipation:
200mW
Load Type:
Phototransistor
Input Type:
DC
Isolation Voltage(Vrms):
3.75kV
Mfr. Part #:
HT-357-BTP1
Package:
SOP-4-175mil-2.54mm
Product Description
Product Overview
The HT-357X is a photoelectric coupler from Hengtuo Technology Co., LTD., designed with an integrated light-emitting diode and phototransistor. This 4-pin device offers high input-output isolation voltage of 3,750Vrms and a wide operating 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 CQC11-471543-2022. The HT-357X is suitable for applications in 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 Option: NONE (SOP4)
- CTR Rank Options: A, B, C, D, E
- Tape and Reel Options: TP, TP1
- Lead Frame Material Options: F, NONE (Copper)
- VDE Order Option: V
- Halogen Free Option: G
Technical Specifications
| Parameter | Symbol | Min. | Typ. | Max. | Unit | Condition |
|---|---|---|---|---|---|---|
| Maximum Ratings | ||||||
| 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 | - |
| Output Collector - Emitter Voltage | VCEO | - | - | 80 | V | - |
| Emitter - Collector Voltage | VECO | - | - | 7 | V | - |
| Collector Current | IC | - | - | 50 | mA | - |
| Collector Power Dissipation (Output) | 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 | - | 3,750 | - | Vrms | AC for 1 minute, R.H.= 40 ~ 60% |
| Soldering Temperature | TSOL | - | - | 260 | C | For 10 seconds |
| Electronic Optical Characteristics (TA = 25C) | ||||||
| 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, -3dB |
| 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 |
| Rank Table Of Current Transfer Ratio (CTR=IC/IF x 100%) | ||||||
| Rank Code | Symbol | Min | Max | - | - | Condition |
| NONE | CTR | 50 | 600 | - | % | IF=5mA, VCE=5V, Ta=25C |
| A | CTR | 80 | 160 | - | % | IF=5mA, VCE=5V, Ta=25C |
| B | CTR | 130 | 260 | - | % | IF=5mA, VCE=5V, Ta=25C |
| C | CTR | 200 | 400 | - | % | IF=5mA, VCE=5V, Ta=25C |
| D | CTR | 300 | 600 | - | % | IF=5mA, VCE=5V, Ta=25C |
2504101957_HENGTUO-HT-357-BTP1_C34376198.pdf
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