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参数资料
| 型号： | DH20-18A |
| 厂商： | IXYS |
| 文件页数： | 1/4页 |
| 文件大小： | 104K |
| 描述： | DIODE FAST REC 1800V 20A TO247 |
| 标准包装： | 30 |
| 二极管类型： | 标准 |
| 电压 - (Vr)（最大）： | 1800V（1.8kV） |
| 电流 - 平均整流 (Io)： | 20A |
| 电压 - 在 If 时为正向 (Vf)（最大）： | 2.24V @ 20A |
| 速度： | 快速恢复 =< 500 ns，> 200mA（Io） |
| 反向恢复时间(trr)： | 300ns |
| 电流 - 在 Vr 时反向漏电： | 50µA @ 1800V |
| 安装类型： | 通孔 |
| 封装/外壳： | TO-247-2 |
| 供应商设备封装： | TO-247 |
| 包装： | 管件 |
         DH20-18A preliminary ns Sonic Fast Recovery Diode Symbol Definition R a t i n g s Features / Advantages: typ. max. IFSM IR A V 150 IFAV A VF 2.24 RthJC 0.90 K/W VR = 1800 1 3 min. 20 t = 10 ms (50 Hz), sine Applications: VRRM V 1800 V°C= 25 50 μA TVJ TVJ =mA125 0.2 °C Package: Part number VR = 1800 TVJ =°C25 IF =A20 V TC = 95°C rectangular 0.5d = Ptot 140 W TC = 25 °C TVJ 150 °C -55 VRRM = IFAV = 1800 V 20 A TVJ = 45°C DH20-18A V max. repetitive reverse voltage reverse current forward voltage virtual junction temperature total power dissipation max. forward surge current Conditions Unit 2.83 TVJ =25 °C CJ junction capacitance V = V; TR 900 pFf = 1 MHz = °CVJ 25 VF0 V 1.44 TVJ = 150°C rF 43 m? V 2.35 TVJ =°C125 IF =A20 V 3.25 IF =A40 IF =A40 threshold voltage slope resistance for power loss calculation only Backside: cathode 22 A TVJ =°C25 reverse recovery time A 25 300 550 ns trr = 300 ns ● Housing: TO-247 High Performance Fast Recovery Diode Low Loss and Soft Recovery Single Diode ●rIndustry standard outline ●rEpoxy meets UL 94V-0 ●rRoHS compliant IRM max. reverse recovery current IF =A;20 VR =V900 T=VJ 125°C -diF/dt =A/μs400 trr TVJ =°C25 T=VJ 125°C 7 thermal resistance junction to case ● Planar passivated chips ● Very low leakage current ● Very short recovery time ● Improved thermal behaviour ● Very low Irm-values ● Very soft recovery behaviour ● Avalanche voltage rated for reliable operation ● Soft reverse recovery for low EMI/RFI ● Low Irm reduces: - Power dissipation within the diode - Turn-on loss in the commutatin g switch ● Antiparallel diode for high frequency switching devices ● Antisaturation diode ● Snubber diode ● Free wheeling diode ● Rectifiers in switch mode power supplies (SMPS) ● Uninterruptible power supplies (UPS) average forward current IXYS reserves the right to change limits, conditions and dimensions. ? 2011 IXYS all rights reserved 20110527b Data according to IEC 60747and per diode unless otherwise specified |
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