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4 Pins 20mA Axial Leaded LDR Output Analog Linear Optocoupler WDYJ-65 With Isolation Voltage 2KV For Audio Amplifier
Applications
Audio amplifier protection and control
Audio volume limiting
Electric shielded isolation coupling
Communication transmission and Automatic control
Lights adjustment and Motor speed control
Industrial, Motor Drive & Control
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Structure Diagram:(unit:mm)
ABSOLUTE MAXIMUM RATINGS @ 25°C
| Parameter | Rating | Unit |
| Isolation Voltage(peak) | 2000 | V |
| Soldering Temperature | 260＜5S | ℃ |
| Operating Temperature | -40 to 75 | ℃ |
| Storage Temperature | -40 to 75 | ℃ |
ELECTRO-OPTICAL CHARCTERISTICS @ 25°C
LED
| Parameter | Symbol | Test Conditions | Min. | Typ.. | Max. | Unit |
| Forward Current | IF | 20 | mA | |||
| Forward Voltage | VF | IF=20mA | 1.9 | 2.0 | 2.5 | V |
| Reverse Current | IR | VR=4V | 10 | μA |
CELL
| Parameter | Symbol | Test Conditions | Min. | Typ.. | Max. | Unit |
| Maximum Cell Voltage | VC | (Peak AC or DC) | 60 | V | ||
| Power Dissipation | PD | Derate linearly to 0 at 75°C | 50 | mW |
COUPLED
| Parameter | Test Conditions | On Resistance (RON) / KΩ | Off Resistance (ROFF)※2 /MΩ | ||
| Min. | Typ. | Max. | |||
| WDYJ-65RA | IF=1mA※1 | 0.7 | 1 | ||
| WDYJ-65RB | IF=1mA※1 | 0.65 | 1.1 | 1 | |
| WDYJ-65RC | IF=1mA※1 | 1.05 | 1.56 | 1 | |
| WDYJ-65RC1 | IF=1mA※1 | 0.8 | 1.5 | 200 | |
| WDYJ-65RD | IF=1mA※1 | 1.48 | 2.6 | 1 | |
| WDYJ-65RD1 | IF=1mA※1 | 1.48 | 2.5 | 200 | |
| WDYJ-65RE | IF=1mA※1 | 2.5 | 5 | 2 | |
| WDYJ-65RG | IF=1mA※1 | 5 | 10 | 2 | |
| WDYJ-65RH | IF=1mA※1 | 10 | 20 | 30 | |
| WDYJ-65RI | IF=1mA※1 | 20 | 40 | 10 | |
| Rise Time(TR) | Time to 63% of final conductance @ IF= 20mA | 3.5 | msec | ||
| Fall Time(TF) | Time to 100K after removal of IF = 20mA | 500 | msec | ||
| Cell Temp Coefficient | IF > 5 mA | 0.7 | %/°C | ||
※1 measured after a dark history of one week
※2 10 sec after IF=0.5V dc on cell
Description
The WDYJ-65 is a 1-channel Axial Vactrol features a very low "on" resistance, fast response time, with a smaller temperature coefficient.
Linear Optocoupler is an optoelectronic devices , to control resistance change by input current change, made of CdS and LED semiconductors after rigorous selection ,aging and testing.
Features
High Input-to-output Voltage Isolation
True Resistance Element Output
Suitable for AC or DC Use
Low Drive Current
Low On Resistance, High Off Resistance
Complete Solid-state Construction
Main characteristic curve
Attention : Soldering pin recommended away from the bottom of optocoupler, soldering time should be as short as possible.