Product Overview
The AOTE AT301X, AT302X, AT305X, and AT307X series optocouplers leverage high-efficiency photoelectric conversion technology and advanced packaging processes to provide reliable input-output isolation. These optocouplers are available in DIP and SMD package types, catering to diverse application needs across industrial automation, consumer electronics, and power systems. They offer robust isolation capabilities, supporting high isolation voltages and various off-state output terminal voltages.
Product Attributes
- Brand: AOTE
- Certifications: ROHS, REACH, HF
- Package Types: DIP, SMD
- Moisture Sensitivity Level: Class 1 (MSL Class 1)
Technical Specifications
| Model Series | Product Description | Input-Output Isolation Voltage (Vrms) | Off-State Output Terminal Voltage (VDRM) | Peak Repetitive Surge Current (ITSM) | Creepage Distance (mm) | Input-Output Insulation Thickness (mm) |
| AT301X, AT302X, AT305X, AT307X | Thyristor Optocoupler | 5000 | 800, 600, 400, 250 (Varies by model) | 1 A (pw=100 s, 120pps) | > 7.0 | > 0.4 |
Absolute Maximum Ratings (Ta = 25)
| Parameter | Symbol | Rating | Unit |
| Input Forward Current | IF | 60 | mA |
| Input Backward Voltage | VR | 6 | V |
| Input Power Dissipation | PD | 70 | mW |
| Input Power Dissipation Derating Factor (above 90C) | PDD | 3.8 | mW/ |
| Off-state output terminal voltage (AT301X) | VDRM | 250 | V |
| Off-state output terminal voltage (AT302X) | VDRM | 400 | V |
| Off-state output terminal voltage (AT305X) | VDRM | 600 | V |
| Off-state output terminal voltage (AT307X) | VDRM | 800 | V |
| Peak repetitive surge current (pw=100 s, 120pps) | ITSM | 1 | A |
| On-state current (root mean square value) | IT(RMS) | 100 | mA |
| Output Power Dissipation | PC | 300 | mW |
| Output Power Dissipation Derating Factor (above 90C) | | 7.4 | mW/ |
| Isolation Voltage | Viso | 5000 | Vrms |
| Operating Temperature | Topr | -55 to +110 | |
| Storage Temperature | Tstg | -55 to +125 | |
| Soldering Temperature | Tsol | 260 | |
Recommended Operating Conditions
| Parameter | Symbol | Min. | Max. | Unit |
| Forward Current | IF | 5 | 15 | mA |
| Peak repetitive surge current (pw=100 s, 120pps) | ITSM | - | 1 | A |
| On-state current (root mean square value) | IT(RMS) | - | 100 | mA |
Product Characteristic Parameters (Ta = 25)
| Parameter | Symbol | Condition | Min. | Typ. | Max. | Unit |
| Input Forward Voltage | VF | IF = 20mA | - | 1.23 | 1.5 | V |
| Input Back Current | IR | VR = 6V | - | - | 10 | uA |
| Output Off-state peak current | IDRM | VDRM = Rated VDRM, IF = 0mA | - | - | 100 | nA |
| Output On-state peak voltage | VTM | ITM=100mA peak, IF =Rated IFT | - | - | 2.5 | V |
| Critical rise rate of off-state voltage (AT301X) | dv/dt | VPEAK = Rated VDRM, IF =0 | - | 100 | - | V/s |
| Critical rise rate of off-state voltage (AT302X, AT305X) | dv/dt | VPEAK = 400V, IF =0 | 1000 | - | - | V/s |
| LED trigger current (AT3020) | IFT | Main terminal Voltage = 3V | - | - | 30 | mA |
| LED trigger current (AT3011, AT3021, AT3051, AT3071) | IFT | Main terminal Voltage = 3V | - | - | 15 | mA |
| LED trigger current (AT3012, AT3022, AT3052, AT3072) | IFT | Main terminal Voltage = 3V | - | - | 10 | mA |
| LED trigger current (AT3013, AT3023, AT3053, AT3073) | IFT | Main terminal Voltage = 3V | - | - | 5 | mA |
| Maintain current | IH | - | - | 250 | - | uA |
Application Fields
- Industrial Automation and Control: PLC and frequency converters, servo drive systems, industrial robots.
- Household Appliances and Consumer Electronics: Motor forward and reverse control, heating control, speed regulation, dimming control in lighting systems.
- Power System and Energy Management: Rectification, transformer protection, power grid monitoring, uninterruptible power supply (UPS) and power protection equipment.
- Medical and Special Scenarios: Isolation and circuit protection for devices such as heart rate monitors and X-ray machines.
Overall Dimensions
Refer to page 8 of the datasheet for detailed drawings and recommended pad layouts.
Order Code Structure
Company Code: AT (Aote)
Product Series: 30VX (301X, 302X, 305X, 307X)
Lead Frame: Cu (Copper)
Epoxy Type: H (Halogen-free)
Package: D (DIP), S (SMD)
Device Operating Temperature Range: (Special range needs to be filled in or left blank)
Internal Supplementary Code: (Number or None)
Marking Information
Marking includes AOTE LOGO, Year code (A=2018, B=2019, etc.), Week code, Internal code, and 'H' for Halogen-free.
Packing
| Package Type | Packing Form | Quantity per Reel/Tube | Quantity per Box | Quantity per Carton | Box Specification | Carton Specification |
| SMD6 | Reel (330mm Blue) | 1000 pcs/reel | 2 reels/box | 10 boxes/ctn (20000 pcs/ctn) | 340*60*340mm | 620*360*365mm |
| DIP6 | Tube (500*12*11mm) | 65 pcs/tube | 50 tubes/box | 10 boxes/ctn (32500 pcs/ctn) | 525*128*56mm | 535*275*300mm |
Reliability Test Items
| Test Item | Reference Standard | Test Conditions | Time | Quantity | Criterion |
| Solderability | JESD22-B102 | Tsol=(2455), t=5s; 1 time | - | 22 | 0/22 |
| Resistance to Soldering Heat | JESD22-A106 | Tsol=(2605), t=10s; 3 times | - | 22 | 0/22 |
| ESD-HBM | JESD22-A114 | Ta=25, HBM (2000V) Positive & Negative 3 times each | - | 10 | 0/10 |
| High Temperature Storage | JESD22-A103 | Ta=125 | 1000h | 22 | 0/22 |
| Low Temperature Storage | JESD22-A119 | Ta= -55 | 1000h | 22 | 0/22 |
| Thermal Shock | JESD22-A104 | -55(15min)125(15min) 300 cycles | - | 22 | 0/22 |
| Lifespan Test (Room Temp) | JESD22-A108 | Ta=25, IF=50mA, Vcc=5V | 1000h | 22 | 0/22 |
| DC Operating Life (High Temp) | JESD22-A108 | Ta=110, IF=20mA, Vcc=5V | 1000h | 76 | 0/76 |
| High Temperature High Humidity Bias | JESD22-A101 | Ta =85, RH=85%, IF=0mA, VCE=64V | 1000h | 22 | 0/22 |
| High Temperature Bias | JESD22-A108 | Ta =110, IF=0mA, VCE=80V | 1000h | 22 | 0/22 |
| High Pressure Steam Test | JESD22-A102 | P=15PSIG, 121, 100%RH | 96h | 22 | 0/22 |
Soldering Profiles
Refer to pages 11 for Solder Reflow Profile, Wave Soldering Profile, and Hand Soldering Iron requirements.
Attention
AOTE implements dynamic technical updates. Specifications are subject to change. Refer to the official website for the latest version. Users must strictly adhere to specified conditions. Failures caused by misuse (overload, high temperature, incompatible circuits) are excluded from warranty. Contact technical support for customized validation in critical applications (medical devices, industrial control). This document is valid until Dec 31, 2025. Updates will be notified on the official website.
