供應線性光耦，主要用於音響線性光耦的用途和特點：
音響線性光耦是一種線類似線性的光電耦合器。是用Cds和LED半導體經過嚴格的老化、測試、挑選而制成的。主要用於音響線性光耦音量調節控制，功放保護和控制。
線性光耦特征有輸出和輸入隔離效果好，低失真耦合，無極性輸出，純電阻材料，簡單的電路結構適合直流和交流應用。
線性光耦WDYJ-0202結構示意圖：
極限參數(TA=25℃)
Parameter | Rating | Unit |
Isolation Voltage(peak) | 2000 | V |
Soldering Temperature | 260＜5S | ℃ |
Operating Temperature | -40 to 75 | ℃ |
Storage Temperature | -40 to 75 | ℃ |
電氣特性(TA=25℃)
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 | Symbol | Test Conditions | Min. | Typ. | Max. | Unit |
On Resistance | RON |
|
|
|
|
|
WDYJ-0202RA |
| IF=40mA※ | 60 |
| 90 | W |
WDYJ-0202RB1 |
| IF=1mA※ |
|
| 700 | W |
WDYJ-0202RB2 |
| IF=1mA※ | 700 |
| 1100 | W |
WDYJ-0202RC |
| IF=1mA※ | 0.9 |
| 1.6 | KW |
WDYJ-0202RD |
| IF=1mA※ | 1.5 |
| 2.5 | KW |
WDYJ-0202RG |
| IF=1mA※ | 2.5 |
| 5 | KW |
WDYJ-0202YH |
| IF=1mA※ | 10 |
| 20 | KW |
WDYJ-0202YI |
| IF=1mA※ | 20 |
| 40 | KW |
Off Resistance | ROFF | 10sec after IF= 0.5Vdc on cell | 1 |
|
| MW |
Rise Time | TR | Timeto 63% of final conductance @ IF= 20mA |
| 3.5 |
| msec |
Fall Time | TF | Timeto 100K?1?71?1?771?1?71?1?7771?1?71?1?771?1?71?1?77771?1?71?1?771?1?71?1?7771?1?71?1?771?1?71?1?777778?1?71?1?771?1?71?1?7771?1?71?1?771?1?71?1?77771?1?71?1?771?1?71?1?7771?1?71?1?771?1?71?1?777774 after removal of IF = 20mA |
| 500 |
| msec |
CellTemp Coefficient |
| IF >5mA |
| 0.7 |
| %/°C |
※ measured after a dark history of one week
買用音響線性光耦選沃德一佳品質有保障,可提供中英文規格書,歡迎新老顧客前來洽談.
質量第一★★★★★
效率第一★★★★★
服務第一★★★★★
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