雷卯推出SOD123HE封裝二極管,幫工程師解決發熱問題
為何肖特基二極管會發熱?
肖特基二極管在工作時發熱量不可小視,發熱量大小與實際工作電流大小有關,與肖特基二極管實際壓降大小有關。這是可以通過測量和計算得到,很方便。
方法是:測得二極管兩端實際壓降假如為0.5V,流過二極管實際電流假如為30A;
那么肖特基二極管本身消耗功率P=U*I=0.5 *30A=15W,每小時做功W=P*T=15*1=15WH=0.015KWH;
肖特基如何降低發熱量?
有以下方法可以解決
一、選擇更好芯片的肖特基
同等電流情況下,一是可以選擇更低壓降的肖特基,可以保證VF稍微低0.2-0.3V,可以保證功耗情況下,比如選擇雷卯的SS34LVFA 壓降為0.3V。
二、選擇帶散熱焊盤的肖特基
國內大部分工廠目前都用的兩端引腳大小相同的封裝,比如SMA SOD123等,現在有SOD123HE封裝,可以解決一些散熱問題,幫客戶在不改變封裝焊盤大小情況下,設計更好的產品。以下是2種封裝的對比圖
同樣大小的體積,SOD123-HE SOD123EP的產品熱阻明顯比普通封裝小,散熱能力大大增加。
產品列表
目前推出的SOD123HE系列的產品有FR系列快恢復二極管,US系列高效二極管,1A 2A 3A的肖特基產品。
可以替代國外品牌的型號
RS1MFP | ACDBMT160-HF |
SS1H10LS | SS1H6LS RVG |
SS14FP | TSSE3U45 RVG |
RS1JFP | S1KFP |
SS16FP | SS16LS RVG |
S1MFP | RS1KFP |
SS1H4LS RVG | SS16LSHRVG |
S1MLS RVG | SS1H15LS RVG |
TSSE3H60 | SMD15HE-TP |
TSSE3U60HRVG | SMD12HE-TP |
S110FP | SMD13HE-TP |
SS1H20LS | RS1MLS RVG |
S115FP | SMD18HE-TP |
SS110LS | SS115LS RVG |
SS14LS | TSSE3H45 RVG |
TSSE3U45H | SMD28HE-TP |
SS13FP | FSV340FP |
SS110LSH | SMD25HE-TP |
TSSE3U60 RVG | SMD26LHE-TP |
SS13LSHRVG | SS34LHE-TP |
SS12FP | SMD23HE-TP |
MER3DAH-AU_R1_007A1 | SMD16HE-TP |
MER2DAH-AU_R1_007A1 | SMD210HE-TP |
SBA330AH_R1_00001 | SS310LHE-TP |
PU2DLSH | RS1MLSHRVG |
GS1006HE_R1_00001 | SMD22HE-TP |
GS2004HE_R1_00001 | SMD115HE-TP |
MER2DAH_R1_00701 | SMD210LHE-TP |
RS1KLS RVG | SMD22LHE-TP |
S1JLS RVG | SS35HE-TP |
GS1004HE_R1_00001 | SS38HE-TP |
SS30200HE_R1_00001 | SS320HE-TP |
PU1BLSH | SS36HE-TP |
SS30100HE_R1_00001 | SMD120HE-TP |
PU2BLSH | S1MLSHRVG |
SBA340AH_R1_00001 | SS310HE-TP |
SS10100HE_R1_00001 | FSV360FP |
SS3040HE_R1_00001 | SMD215HE-TP |
RS1JLS RVG | SMD14HE-TP |
SBA240AH_R1_00001 | SS36LHE-TP |
S1JFP | SS12LS RVG |
SS3020HE_R1_00001 | SS14LSHRVG |
SBA230AH_R1_00001 | SMD26HE-TP |
SS30150HE_R1_00001 | SMD110HE-TP |
SS30100HE-AU_R1_000A1 | SMD24LHE-TP |
SS2060LHE_R1_00001 | SMD24HE-TP |
SS1040HE-AU_R1_000A1 | SMD220HE-TP |
SS10150HE_R1_00001 | SS315HE-TP |
SS3060HE_R1_00001 | SS34HE-TP |
S1JLSHRVG | SS13LS RVG |
SB1200AH_R1_00001 | SS12LSHRVG |
MB3H60AH-AU_R1_000A1 | S1GLS |
SS3060HE-AU_R1_000A1 | GS1006HE-AU_R1_000A1 |
SS10200HE_R1_00001 | S1DLS RQG |
SS1040HE_R1_00001 | S1GLS RVG |
SS2060LHE-AU_R1_000A1 | S1DLSHRQG |
SS1060HE_R1_00001 | S1GLSHRVG |
SS1060HE-AU_R1_000A1 | S1DLS RVG |
SS2040HE_R1_00001 | S1DLSHRVG |
SS10150HE-AU_R1_000A1 | GS2004HE-AU_R1_000A1 |
SMD36HE1-TP | RS1JLSHRVG |
SMD34HE1-TP | SBA230AH-AU_R1_000A1 |
CURMT107-HF | RS1KLSHRVG |
CURMT103-HF | SBA240AH-AU_R1_000A1 |
CFRMT107-HF | SSM3060VHE-AU_R1_000A1 |
CSFMT108-HF | SBA340AH-AU_R1_000A1 |
CSFMT104-HF | S1KLS RVG |
CSFMT106-HF | S1KLSHRVG |
CURMT104-HF | SMD36LHE1-TP |
CGRMT4007-HF | SMD34LHE1-TP |
CDBMT160-HF | CSFMT105-HF |
CDBMT1150-HF | CSFMT101-HF |
CDBMT140-HF | CURMT105-HF |
ACDBMT140-HF | CSFMT107-HF |
ACDBMT1200-HF | CURMT102-HF |
CGRMT4004-HF | CURMT106-HF |
CDBMT2100-HF | CSFMT102-HF |
CDBMT1100-HF | CGRMT4002-HF |
ACDBMT1100-HF | CFRMT101-HF |
CDBMT260-HF | CFRMT102-HF |
SS115LSH | CURMT101-HF |
MER3DAH_R1_00701 | CFRMT105-HF |
PU1DLSH | CFRMT104-HF |
GS2008HE_R1_00001 | CFRMT103-HF |
GS1008HE_R1_00001 | CDBMT240-HF |
GS2006HE_R1_00001 | CDBMT220L-HF |
SBA320AH_R1_00001 | CDBMT150-HF |
SS3030HE_R1_00001 | CDBMT180-HF |
GS1010HE_R1_00001 | CFRMT106-HF |
SBA220AH_R1_00001 | CSFMT103-HF |
SS10100HE-AU_R1_000A1 | CGRMT4005-HF |
S1DLS | CDBMT230L-HF |
SS3040HE-AU_R1_000A1 | CDBMT120-HF |
SBA320AH-AU_R1_000A1 | CGRMT4001-HF |
SBA330AH-AU_R1_000A1 | CGRMT4006-HF |
SBA220AH-AU_R1_000A1 | CDBMT280-HF |
S1GLSH | CDBMT240L-HF |
SB3H60AH_R1_00001 | CGRMT4003-HF |
SSM3060VHE_R1_00001 | CDBMT250-HF |
CDBMT230-HF | CDBMT130-HF |
ACDBMT1150-HF | CDBMT220-HF |
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