Photoelectric Coupler HENGTUO HT-3H7-DTP1 with 3750Vrms Isolation Voltage and Wide Temperature Range
Key Attributes
Model Number:
HT-3H7-DTP1
Product Custom Attributes
Fall Time:
3us
Output Current:
50mA
Rise Time:
4us
Vce Saturation(VCE(sat)):
100mV@1mA,20mA
Operating Temperature:
-55℃~+110℃
Load Voltage:
80V
Reverse Voltage:
7V
Load Type:
DC Transistor
Current Transfer Ratio:
300%;600%
Forward Current(If):
50mA
Input Type:
DC
Isolation Voltage(Vrms):
3.75kV
Number Of Channels:
1
Mfr. Part #:
HT-3H7-DTP1
Package:
SSOP-4
Product Description
Product Overview
The HT-3H7X is a 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. This coupler offers high input-output isolation voltage (3,750Vrms), a wide operating temperature range (-55 to 110), and is compliant with various safety approvals including UL 1577, VDE DIN EN60747-5-5, and CQC. The HT-3H7X is suitable for applications such as programmable controllers, switching power supplies, intelligent meters, and home appliances like air conditioners and water heaters.
Product Attributes
- Brand: Hengtuo Technology Co., LTD.
- Product Series: HT-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 |
|---|---|---|---|---|
| General Features | ||||
| 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 | |
| Maximum Ratings | ||||
| Input Forward Current | IF | 50 | mA | |
| Input Reverse Voltage | VR | 6 | V | |
| Input Power Dissipation | PD | 70 | mW | |
| Output Collector-Emitter Voltage | VCEO | 80 | V | |
| Output Emitter-Collector Voltage | VECO | 7 | V | |
| Output Collector Current | IC | 50 | mA | |
| Output Collector Power Dissipation | PC | 150 | mW | |
| Storage Temperature Range | Tstg | -55 ~ 125 | C | |
| Total Power Consumption | P(W) | 200 | mW | |
| Soldering Temperature | TSOL | 260 | C | 10 seconds |
| Electronic Optical Characteristics (TA = 25C) | ||||
| Input Forward Voltage | VF | - 1.2 1.4 | V | IF=20mA |
| Input 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 |
| Current Transfer Ratio (CTR) Ranks | ||||
| 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 |
| Product Nomenclature Details | ||||
| Designation | HT | Hengtuo Technology Co.,LTD. | ||
| Product Series | 3H7 | Product Series | ||
| Lead Form Option | (NONE)(1) | NONE (SSOP4) | ||
| CTR Rank | (A,B,C,D,E)(2) | CTR Rank | ||
| Tape and Reel Option | (TP,TP1)(3) | Tape and Reel Type | ||
| Lead Frame Material | (F,NONE)(4) | F=Copper | ||
| VDE Order Option | V | Fixed code V | ||
| Halogen Free Option | G | Fixed codeG | ||
| Customer Code | XX | Customer code | ||
| Marking Information | ||||
| Designation | HT | Hengtuo | ||
| Device | 3H7 | Device | ||
| CTR Rank | C | CTR Rank | ||
| Year Code | YY | Year code | ||
| Week Code | WW | Week code | ||
| VDE Mark | V | VDE | ||
2411261516_HENGTUO-HT-3H7-DTP1_C34376200.pdf
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