【应用】虹茂半导体电压检测器HM809可于电源故障检测，内置延时电路，检测精度可到达±2%
应用背景
电源模块能否正常工作决定了产品能否正常工作，为了提高产品的可靠性，我们需要对电源的状态进行相应的检测，比如电源电压是否在预期范围内，如果不在预期范围内，我们就需要采取措施检测这种故障，为实现产品级的故障预警打下基础。
应用难点
一般来说无论产品处于工作状态或者待机状态，都需要对电源电压进行检测，电压检测电路需要一直工作，这就要求电压检测电路功耗要低，从而降低产品的功耗。电源电压越稳定，整个控制电路就越可靠，因此电压检测电路检测精度要高，受环境影响因素要小。为了避免电源电压瞬时波动导致电压检测电路无法准确输出故障指示信号，需要电压检测电路抗干扰能力要强。
解决方案
1.我们选用虹茂半导体电压检测器HM809进行电源电压检测，VIN=6V，Vdet=2.63V时，其电源电流典型值仅为1.8μA，相较于常规的主控芯片的功耗而言，基本可以忽略不计，避免了电压检测电路长时间工作导致的产品功耗过高。
2. HM809电压检测精度可到达±2%，并且其复位阈值温度稳定性指标典型值仅为30PPM/℃，一般产品的温升控制在30℃左右，对应的复位阈值变化为900PPM，也就是0.09%，温度稳定性十分优秀，这为电源电路的稳定性以及控制电路的可靠性提供了重要保障。
3. HM809内置了延时电路，当被检测的电压恢复到正常电压时，芯片的RESET输出并不会立马拉高，而是延时200ms（典型值）之后才会拉高，这避免了电压瞬时波动导致的RESET输出不断高低跳变，实现了硬件滤波功能，有点类似于施密特触发器的滞回特性。当电源电压瞬时波动时，可以避免电压检测电路无法准确的检测故障。
总结
虹茂半导体电压检测器HM809具有低工作电流，高检测精度以及温度稳定性，内置了延时电路可以实现硬件滤波，可以实现低功耗，高精度，高抗干扰能力的电源检测功能。
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具有释放延迟功能的R3121N系列36 V输入电压检测器
描述- 该资料介绍了R3121N系列电压检测器，其具有36V输入电压检测功能，提供多种检测类型选择。产品具备高精度电压检测、可调释放延迟时间、紧凑型封装等特点，适用于电源电压监控等领域。
型号- R3121N091E,R3121N091G,R3121N059E,R3121N047E,R3121N035E,R3121N059G,R3121N047G,R3121N120E,R3121N035G,R3121N120G,R3121N059A,R3121N047A,R3121N035A,R3121N069X,R3121N057X,R3121N045X,R3121N033X,R3121N090E,R3121N090G,R3121N058E,R3121N046E,R3121N034E,R3121N058G,R3121N046G,R3121N034G,R3121N032X,R3121N058A,R3121N046A,R3121N034A,R3121N068X,R3121N056X,R3121N044X,R3121N093E,R3121N081E,R3121N093G,R3121N SERIES,R3121N081G,R3121N037E,R3121N049G,R3121N037G,R3121N110E,R3121N110G,R3121N120X,R3121NXXXA,R3121N049A,R3121NXXXG,R3121N037A,R3121NXXXE,R3121N091X,R3121N049E,R3121N059X,R3121N047X,R3121N035X,R3121N092E,R3121N080E,R3121N092G,R3121N080G,R3121N090X,R3121N048E,R3121N036E,R3121N048G,R3121N036G,R3121N048A,R3121N036A,R3121N058X,R3121N046X,R3121N034X,R3121N095E,R3121N083E,R3121N071E,R3121N095G,R3121N083G,R3121N071G,R3121N039G,R3121N100E,R3121N112E,R3121N100G,R3121N112G,R3121N071A,R3121N039A,R3121N093X,R3121N081X,R3121N039E,R3121N049X,R3121N037X,R3121N110X,R3121N094E,R3121N082E,R3121N070E,R3121N094G,R3121N082G,R3121N070G,R3121N038G,R3121N111E,R3121N111G,R3121N070A,R3121N038A,R3121N092X,R3121N080X,R3121N038E,R3121N048X,R3121N036X,R3121N073E,R3121N097G,R3121N061E,R3121N085G,R3121N073G,R3121N061G,R3121N102E,R3121N114E,R3121N102G,R3121N114G,R3121N073A,R3121N061A,R3121N097E,R3121N085E,R3121N095X,R3121N083X,R3121N071X,R3121N039X,R3121N112X,R3121N100X,R3121N084E,R3121N072E,R3121N096G,R3121N060E,R3121N084G,R3121N072G,R3121N060G,R3121N113E,R3121NXXX∗-TR-FE,R3121N113G,R3121N101E,R3121N072A,R3121N101G,R3121N060A,R3121N096E,R3121N094X,R3121N082X,R3121N070X,R3121N038X,R3121N111X,R3121N051E,R3121N075G,R3121N063G,R3121N051G,R3121N104G,R3121N116G,R3121N075A,R3121N063A,R3121N051A,R3121N099E,R3121N087E,R3121N075E,R3121N099G,R3121N063E,R3121N087G,R3121N097X,R3121N085X,R3121N073X,R3121N061X,R3121N104E,R3121N116E,R3121N114X,R3121N102X,R3121NXXX*-TR-FE,R3121N062E,R3121N086G,R3121N050E,R3121N074G,R3121N062G,R3121N050G,R3121N115G,R3121N103E,R3121N074A,R3121N103G,R3121N062A,R3121N050A,R3121N098E,R3121N086E,R3121N074E,R3121N098G,R3121N096X,R3121N084X,R3121N072X,R3121N060X,R3121N115E,R3121N101X,R3121N113X,R3121N053G,R3121N041G,R3121N077A,R3121N065A,R3121N053A,R3121N041A,R3121N089E,R3121N077E,R3121N065E,R3121N089G,R3121N053E,R3121N077G,R3121N041E,R3121N065G,R3121N087X,R3121N075X,R3121N063X,R3121N051X,R3121N106E,R3121N118E,R3121N106G,R3121N118G,R3121N116X,R3121N104X,R3121N099X,R3121N040E,R3121N064G,R3121N052G,R3121N040G,R3121N076A,R3121N105G,R3121N064A,R3121N052A,R3121N,R3121N040A,R3121N088E,R3121N076E,R3121N064E,R3121N088G,R3121N052E,R3121N076G,R3121N098X,R3121N086X,R3121N074X,R3121N062X,R3121N050X,R3121N117E,R3121N117G,R3121N105E,R3121N103X,R3121N115X,R3121N031G,R3121N107X,R3121N055A,R3121N043A,R3121N031A,R3121N079E,R3121N067E,R3121N055E,R3121N079G,R3121N043E,R3121N067G,R3121N031E,R3121N055G,R3121N043G,R3121N065X,R3121N053X,R3121N041X,R3121N108E,R3121N108G,R3121N079A,R3121N067A,R3121N106X,R3121N089X,R3121N077X,R3121N042G,R3121N030G,R3121N118X,R3121N066A,R3121N054A,R3121N042A,R3121N030A,R3121N078E,R3121N066E,R3121N054E,R3121N078G,R3121N042E,R3121N066G,R3121N030E,R3121N054G,R3121N076X,R3121N064X,R3121N052X,R3121N119E,R3121N040X,R3121N119G,R3121N107E,R3121N078A,R3121N107G,R3121N105X,R3121N117X,R3121N088X,R3121N109X,R3121N033A,R3121N069E,R3121N057E,R3121N045E,R3121N069G,R3121N033E,R3121N057G,R3121N045G,R3121N033G,R3121N043X,R3121N031X,R3121N069A,R3121N057A,R3121N045A,R3121N079X,R3121N067X,R3121N055X,R3121N108X,R3121N044A,R3121N032A,R3121N068E,R3121N056E,R3121N044E,R3121N068G,R3121N032E,R3121N056G,R3121N044G,R3121N032G,R3121N054X,R3121N042X,R3121N030X,R3121N109E,R3121N109G,R3121N068A,R3121N056A,R3121N078X,R3121N066X
小封装、高精度电压检测器SGM808B
描述- SGM808B是一款低功耗、高精度的电压检测器。其可调阈值范围为1.5V至6V，以0.1V为增量，提供极大的应用灵活性。该设备具有N通道开漏输出，非常适合用于电源顺序控制、复位顺序控制和电源切换等应用。
型号- SGM808B-3.5XN5G/TR,SGM808B-5.8XK3G/TR,SGM808B-3.6XN5G/TR,SGM808B-5.9XK3G/TR,SGM808B-3.7XN5G/TR,SGM808B-3.3XN5G/TR,SGM808B-3.4XN5G/TR,SGM808B-5.4XK3G/TR,SGM808B-5.5XK3G/TR,SGM808B-6.0XC4G/TR,SGM808B-5.3XK3G/TR,SGM808B-5.6XK3G/TR,SGM808B-5.7XK3G/TR,SGM808B-5.2XK3G/TR,SGM808B-6.0XK3G/TR,SGM808B-5.8,SGM808B-5.7,SGM808B-4.1XN5G/TR,SGM808B-2.9XN5G/TR,SGM808B-5.8XC4G/TR,SGM808B-5.9,SGM808B-5.4,SGM808B-1.8,SGM808B-5.3,SGM808B-1.7,SGM808B-5.6,SGM808B-1.9,SGM808B-5.5,SGM808B-5.0,SGM808B-5.2,SGM808B-2.7XN5G/TR,SGM808B-1.6,SGM808B-5.1,SGM808B-1.5,SGM808B-2.5XN5G/TR,SGM808B-5.0XK3G/TR,SGM808B-4.6XK3G/TR,SGM808B-4.4XK3G/TR,SGM808B-4.8XK3G/TR,SGM808B-3.9XN5G/TR,SGM808B-3.1XN5G/TR,SGM808B-1.7XC4G/TR,SGM808B-1.9XC4G/TR,SGM808B-1.5XC4G/TR,SGM808B-4.0XK3G/TR,SGM808B-2.1XN5G/TR,SGM808B-2.0XN5G/TR,SGM808B-1.7XN5G/TR,SGM808B-4.7XN5G/TR,SGM808B-4.8XN5G/TR,SGM808B-1.6XN5G/TR,SGM808B-2.4XC4G/TR,SGM808B-2.0XC4G/TR,SGM808B-2.3XC4G/TR,SGM808B-4.4XN5G/TR,SGM808B-5.5XC4G/TR,SGM808B-4.3XN5G/TR,SGM808B-3.5XK3G/TR,SGM808B-5.0XC4G/TR,SGM808B-3.9XK3G/TR,SGM808B-5.4XC4G/TR,SGM808B-3.6XK3G/TR,SGM808B-5.1XC4G/TR,SGM808B-5.9XC4G/TR,SGM808B-4.0XN5G/TR,SGM808B-5.9XN5G/TR,SGM808B-2.7,SGM808B-2.6,SGM808B-2.9,SGM808B-2.8XC4G/TR,SGM808B-2.8,SGM808B-2.3,SGM808B-2.2,SGM808B-2.5,SGM808B-6.0,SGM808B-5.5XN5G/TR,SGM808B-2.4,SGM808B-2.8XN5G/TR,SGM808B-2.4XN5G/TR,SGM808B-2.1,SGM808B-2.0,SGM808B-1.6XK3G/TR,SGM808B-1.6XC4G/TR,SGM808B-5.1XK3G/TR,SGM808B-4.7XC4G/TR,SGM808B-5.1XN5G/TR,SGM808B-4.7XK3G/TR,SGM808B-4.3XK3G/TR,SGM808B-2.0XK3G/TR,SGM808B-2.4XK3G/TR,SGM808B-4.3XC4G/TR,SGM808B-3.2XN5G/TR,SGM808B-2.8XK3G/TR,SGM808B-3.4XC4G/TR,SGM808B-2.6XK3G/TR,SGM808B-2.7XK3G/TR,SGM808B-2.9XK3G/TR,SGM808B-2.5XK3G/TR,SGM808B-3.7XC4G/TR,SGM808B-3.8XC4G/TR,SGM808B-3.6XC4G/TR,SGM808B-6.0XN5G/TR,SGM808B-3.2XC4G/TR,SGM808B-3.9XC4G/TR,SGM808B-3.1XC4G/TR,SGM808B-3.3XC4G/TR,SGM808B-3.5XC4G/TR,SGM808B-3.0XC4G/TR,SGM808B-3.0XK3G/TR,SGM808B-3.1XK3G/TR,SGM808B-3.2XK3G/TR,SGM808B-3.3XK3G/TR,SGM808B-3.9,SGM808B-2.9XC4G/TR,SGM808B-3.6,SGM808B-2.7XC4G/TR,SGM808B-3.5,SGM808B-3.8,SGM808B-4.0XC4G/TR,SGM808B-4.2XC4G/TR,SGM808B-3.7,SGM808B-1.9XK3G/TR,SGM808B-3.2,SGM808B-2.5XC4G/TR,SGM808B-3.1,SGM808B-3.4,SGM808B-3.3,SGM808B-5.6XN5G/TR,SGM808B-5.8XN5G/TR,SGM808B-3.0,SGM808B-1.7XK3G/TR,SGM808B-4.6XC4G/TR,SGM808B-5.2XN5G/TR,SGM808B-5.4XN5G/TR,SGM808B-4.4XC4G/TR,SGM808B-4.8XC4G/TR,SGM808B-2.1XK3G/TR,SGM808B-2.3XK3G/TR,SGM808B-4.1XK3G/TR,SGM808B-4.2XK3G/TR,SGM808B-5.0XN5G/TR,SGM808B-1.5XK3G/TR,SGM808B-1.8XN5G/TR,SGM808B-2.2XN5G/TR,SGM808B-2.3XN5G/TR,SGM808B-5.2XC4G/TR,SGM808B-4.9XN5G/TR,SGM808B-1.5XN5G/TR,SGM808B-1.9XN5G/TR,SGM808B-2.1XC4G/TR,SGM808B-2.2XC4G/TR,SGM808B-3.7XK3G/TR,SGM808B-5.6XC4G/TR,SGM808B-4.5XN5G/TR,SGM808B-4.2XN5G/TR,SGM808B-4.6XN5G/TR,SGM808B-5.3XC4G/TR,SGM808B-5.7XC4G/TR,SGM808B-3.4XK3G/TR,SGM808B-3.8XK3G/TR,SGM808B,SGM808B-4.9,SGM808B-4.8,SGM808B-4.5,SGM808B-4.1XC4G/TR,SGM808B-4.4,SGM808B-4.7,SGM808B-2.6XC4G/TR,SGM808B-4.6,SGM808B-4.1,SGM808B-4.0,SGM808B-2.6XN5G/TR,SGM808B-4.9XK3G/TR,SGM808B-4.3,SGM808B-4.2,SGM808B-5.7XN5G/TR,SGM808B-1.8XK3G/TR,SGM808B-5.3XN5G/TR,SGM808B-3.0XN5G/TR,SGM808B-4.5XC4G/TR,SGM808B-4.9XC4G/TR,SGM808B-4.5XK3G/TR,SGM808B-2.2XK3G/TR,SGM808B-3.8XN5G/TR,SGM808B-1.8XC4G/TR
R3160N系列AEC-Q100 1级60 V输入低电源电流电压检测器，适合汽车应用
描述- 该资料介绍了R3160N系列60V输入低供电电流电压检测器，适用于汽车应用。该器件提供高检测阈值精度和低供电电流，可直接监测24/48V电池并检测低压电池状态。
型号- R3160N190X,R3160N182X,R3160N150X,R3160N194X,R3160N170X,R3160N380X,R3160N142X,R3160N186X,R3160N110X,R3160N154X,R3160N198X,R3160N275X,R3160N360X,R3160N162X,R3160N130X,R3160N174X,R3160N295X,R3160N340X,R3160N102X,R3160N146X,R3160N114X,R3160N158X,R3160N235X,R3160N320X,R3160N122X,R3160N166X,R3160N134X,R3160N178X,R3160N255X,R3160N300X,R3160N106X,R3160N118X,R3160N126X,R3160N138X,R3160N215X,R3160N SERIES,R3160N260X,R3160N280X,R3160N220X,R3160N470X,R3160N240X,R3160N450X,R3160N430X,R3160N200X,R3160N410X,R3160N160X,R3160N390X,R3160N172X,R3160N180X,R3160N370X,R3160N192X,R3160N120X,R3160N164X,R3160N285X,R3160N350X,R3160N132X,R3160N176X,R3160N140X,R3160N184X,R3160N330X,R3160N152X,R3160N196X,R3160N124X,R3160N168X,R3160N245X,R3160N310X,R3160N136X,R3160N100X,R3160N144X,R3160N188X,R3160N265X,R3160N112X,R3160N156X,R3160N128X,R3160N205X,R3160N104X,R3160N148X,R3160N225X,R3160N116X,R3160N108X,R3160N270X,R3160N290X,R3160N480X,R3160N230X,R3160N460X,R3160N250X,R3160N440X,R3160N420X,R3160NXXX$-TR-#E,R3160N210X,R3160N400X,R3160N
IXD5121/5122/5123/5124电压检测器，带看门狗的开/关控制
描述- 该资料介绍了IXD5121/22/23/24系列电压检测器，具有看门狗功能。这些器件采用激光修剪技术制造，具备高精度、低功耗的特点。它们适用于微处理器复位电路、内存电池备份电路、电源复位电路、断电检测、系统电池寿命和充电电压监控等领域。
型号- IXD5121A4****,IXD512XXX48XX,IXD5121E7****,IXD512*F6****,IXD512XXX25XX,IXD5121F5****,IXD512XXX29XX,IXD5121XX17XX,IXD512XXX40XX,IXD5121XX36XX,IXD512XXX44XX,IXD512XXX21XX,IXD5121XX32XX,IXD512*A3****,IXD5121XX47XX,IXD5121F7****,IXD512XX5XXX,IXD5121A6****,IXD512*E6****,IXD512XAXXXX,IXD5121E5****,IXD512XXX36XX,IXD512XXX17XX,IXD5121A2****,IXD5121XX29XX,IXD512*D6****,IXD512*C3****,IXD5121XX50XX,IXD5121XX25XX,IXD5121XX44XX,IXD512XXX32XX,IXD5121C2****,IXD5121XX21XX,IXD5121XX40XX,IXD512*A5****,IXD512XX2XXX,IXD512XCXXXX,IXD5123XXXXXX,IXD512*C6****,IXD512XEXXXX,IXD512XXX26XX,IXD512XXX45XX,IXD512XXX49XX,IXD5121XX18XX,IXD5121C6****,IXD5121XX37XX,IXD512*D4****,IXD5121D5****,IXD512XXX22XX,IXD512XXX41XX,IXD5121XXXXXX,IXD5121XX33XX,IXD5121XX46XX,IXD512*C4****,IXD512XX7XXX,IXD512*A7****,IXD512*A2****,IXD512*E5****,IXD512XXX37XX,IXD512XXX18XX,IXD5121D7****,IXD5121A7****,IXD5121XX26XX,IXD5121C4****,IXD5121XX45XX,IXD512XXX33XX,IXD5121XX22XX,IXD5121XX41XX,IXD512XX4XXX,IXD512XXX33X,IXD512XXX23XX,IXD512XXX46XX,IXD512XXX27XX,IXD5121F6****,IXD5121XX19XX,IXD512*A4****,IXD5121XX38XX,IXD5121XX34XX,IXD512*E7****,IXD512XXX42XX,IXD5121XX30XX,IXD5121A5****,IXD512*F5****,IXD5121XX49XX,IXD5122XXXXXX,IXD512XXX50X,IXD5121C3****,IXD512XXX34XX,IXD512*D7****,IXD512XXX19XX,IXD512XXX38XX,IXD5121XX27XX,IXD512*A6****,IXD512XXX30XX,IXD5121XX23XX,IXD5121XX42XX,IXD512XDXXXX,IXD5121E6****,IXD5121A3****,IXD512*D5****,IXD512*C2****,IXD512XX6XXX,IXD5121D4****,IXD512XXX24XX,IXD512XXX47XX,IXD5124XXXXXX,IXD512XXX28XX,IXD5121XX39XX,IXD5121XX16XX,IXD512XXX20XX,IXD512XXX43XX,IXD5121D3****,IXD5121XX35XX,IXD5121XX31XX,IXD5121C7****,IXD512XFXXXX,IXD5121XX48XX,IXD512*C5****,IXD512XX3XXX,IXD5121D6****,IXD512*D3****,IXD512XXX35XX,IXD512XXX16XX,IXD512XXX39XX,IXD512XXX50XX,IXD5121XX28XX,IXD5121E4****,IXD512XXX31XX,IXD5121XX24XX,IXD5121XX43XX,IXD5121XX20XX,IXD512*E4****,IXD512*F7****,IXD512*C7****,IXD5121,IXD5121C5****,IXD5122,IXD5123,IXD5124
虹茂半导体低电压检测IC(复位IC)参数对照表
虹茂半导体低电压检测IC(复位IC)，工作电压0.7-10V，输出方式有CMOS输出、N沟道输出，适用于各类电子产品。
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产品型号
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品类
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常用检测电压（V）
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耐压（V）
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输出
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工作电压（V）
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封装
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对照型号
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货期
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应用领域
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HM61NXXXMR
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低电压检测IC
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1.8/2.0/2.2/2.4/2.5/2.7/2.8/3.0/3.3V
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12V
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N沟道输出
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0.7-10V
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SOT-23
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XC61FN/XC61CN/RT9808/RT9818/AIC1680/UTC81XX/AP8822/S808/FP6802 series
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现货
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各类电子产品
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选型表 - 虹茂半导体 立即选型
NJU7700/01电压检测器
描述- 该资料介绍了NJU7700/01系列电压检测器，这是一款高精度、低静态电流的电压检测器。它具有±1.0%的检测电压精度和0.8µA的典型静态电流。该产品适用于防止微计算机或DSP等设备因电池或电源电压下降而出现故障。它提供Nch开漏和C-MOS输出类型，适用于空间受限的应用。
型号- NJU7700,NJU7701,NJU7700 SERIES,NJU770*F4-/F19,NJU770*F4-/F18,NJU770*F4-/F17,NJU770*F4-/F39,NJU770*F4-/F16,NJU770*F4-/F38,NJU770*F4-/F15,NJU7701F,NJU770*F4-/F36,NJU770*F4-/F13,NJU770*F4-/F35,NJU770*F4-/F34,NJU770*F4-/F33,NJU770*F4-/F55,NJU770*F4-/F32,NJU770*F4-/F31,NJU770*F4-/F52,NJU7701F4 SERIES,NJU7701F4,NJU770*F4-/F29,NJU770*F4-/F28,NJU770*F4-/F06,NJU770*F4-/F27,NJU770*F4-/F05,NJU770*F4-/F26,NJU770*F4-/F04,NJU770*F4-/F25,NJU770*F4-/F03,NJU770*F4-/F47,NJU770*F4-/F02,NJU770*F4-/F24,NJU770*F4-/F23,NJU770*F4-/F45,NJU770*F4-/F22,NJU770*F4-/F44,NJU770*F4-/F21,NJU770*F4-/F43,NJU770*F4-/F42
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可定制高压电源模块的输入电压100VDC-2000VDC、功率范围5W-500W/4W-60W； 高压输出电源模块的输出电压100VDC-2000VDC。功率范围：4W-60W。
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可定制LED组件/LED传感/UV模组的电压、电流、波长等性能参数，电压：3-24V，，电流：30-3500mA，波长：270-940nm；材质：食品级POM，阻燃PC；防水等级：IP20-IP68。
最小起订量： 1000 提交需求>
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