PDF《NVF》

EU RoHS 压敏电阻器 Varistors 本样本手册中记载的产品规格如有变更,恕不一一奉告.

订购以及使用之前,请仔细确认规格表的内容. 用于车载设备、医疗设备、航空设备以及其它涉及人身安全、或可能引起重大损失的设备上时,请务必事先与我公司联系.这些产品在这类用途中出现故障或失灵可能导致人身事故或严重损坏. Speci?cations given herein may be changed at any time without prior notice. Please con?rm technical speci?cations before you order and/or use. Contact our sales representatives before you use our products for applications including automotives, medical equipment and aerospace equipment. Malfunction or failure of the products in such applications may cause loss of human life or serious damage. www.koaglobal.com 结构图 Construction 外观颜色 :灰色 Body color:Gray 表示:文字表示 Marking:Alphanumeric 特点 Features z 有双向对称性,可吸收正负浪涌. z 包装上采用阻燃性硅胶(UL94V-0). z 符合欧盟RoHS. z Varistors own two-way symmetries and can absorb positive and negative surges. z Flame retardant SILICONE (UL94V-0) is employed for the outer coating. z Products meet EU-RoHS requirements. 用途 Applications z 直流和交流线路设备的防感应闪电冲击对策. z 吸收来自电动机、继电器等感应载荷的过电压,和在过电压时保护半导体元件. z Measures for inductive lightning surges of those equipment that are connected to d.c. and a.c. lines. z Absorption of surge voltages from inductive load of motors, relays, etc.and protection of semiconductor elements from excessive voltages. H D L 7.5±1 T φ0.8 ① ② ③ ④ ① 绝缘涂层 Insulation coating ② 电极 Electrodes ③ 压敏电阻器元件 Varistor element ④ 导线 Lead wire 尺寸 Dimensions 额定值 Ratings 工作温度范围 Operating Temp. Range: -40℃~+85℃ 保存温度范围 Storage Temp. Range: -40℃~+125℃ 欲知关于此产品含有的环境负荷物质详情(除EU-RoHS以外),请与我们联系. Contact us when you have control request for environmental hazardous material other than the substance specified by EU-RoHS. 品名构成 Type Designation 实例 Example 型号 Type 尺寸 Dimensions(mm) 重量 Weight (g) (100pcs) D max.1 T max.1 H max L NVF10U 15.0~16.0 6.8~11.5 22.0 3.5±0.5 130~320

1 D最大和t最大,因压敏电阻器电压不同而变化.

1 D max. and t max. vary according to the varistor voltage. NVF

10 U C D F

470 品种 Product Code 磁盘直径 Diameter of Element 10: φ10mm 系列 Series U: U系列 U serise 端子表面材质 Terminal Surface Material C:SnCu 内部连接焊锡 Inner Connect Solder Material D:SnAgCu 二次加工 包装 Forming & Packaging F: L=3.5mm 散装 Bulk 压敏电阻器电压 Varistor Voltage Ex. 470V:

470 型号 Type 压敏电阻器电压 Varistor Vol. (V) 最大允许回路电压 Max.Allowable Circuit Vol. (V) 最大电能 Max. Energy E(J) T=2ms 耐浪涌量 Max. Peak Current T=8/20μ s 限制电压 Clamping Vol. V25A a.c.r.m.s. (V) d.c. (V) Ip (1 time) (A) Ip (10000 times) (A) NVF10UCDF220 198~242

140 180 27.5

3500 150

360 NVF10UCDF240 216~264

150 200 30.0

395 NVF10UCDF270 247~303

175 225 35.0

455 NVF10UCDF430 387~473

275 350 55.0

710 NVF10UCDF470 423~517

300 385 60.0

775 NVF10UCDF510 459~561

320 410 67.0

845 NVF10UCDF620 558~682

385 505 67.0

1025 NVF10UCDF680 612~748

420 560 67.0

1120 NEW (mm) VARISTORS NVF 金属氧化物压敏电阻器(阻燃型) Metal Oxide Varistors (Nonflammable Coated) Mar.

2015 压敏电阻器 Varistors 本样本手册中记载的产品规格如有变更,恕不一一奉告.订购以及使用之前,请仔细确认规格表的内容. 用于车载设备、医疗设备、航空设备以及其它涉及人身安全、或可能引起重大损失的设备上时,请务必事先与我公司联系.这些产品在这类用途中出现故障或失灵可能导致人身事故或严重损坏. Speci?cations given herein may be changed at any time without prior notice. Please con?rm technical speci?cations before you order and/or use. Contact our sales representatives before you use our products for applications including automotives, medical equipment and aerospace equipment. Malfunction or failure of the products in such applications may cause loss of human life or serious damage. www.koaglobal.com 性能 Performance 电压-电流曲线 Voltage-Current Curves(Ta=25℃) 最大漏电电流 Max.Leakage Current 最大限制电压 Max.Clamping Voltage NVF10UCDF430 NVF10UCDF270 NVF10UCDF470 NVF10UCDF510 NVF10UCDF620 NVF10UCDF680 NVF10UCDF240 NVF10UCDF220 电流 Current (A) 10-6 10-5 10-4 10-3 10-2 10-1

100 101

102 103

104 10

100 1000

10000 电压 Voltage (V) 试验项目 Test Items 标准值 Performance Requirements 试验方法 Test Methods ΔV±% 压敏电阻器电压 Varistor Voltage 在规定的允许偏差内 Within specified tolerance 把规定的电流Ic=1mA流入压敏电阻时的端子间电压. The voltage between terminals when the specified current is flowed. 耐焊接热 Resistance to soldering heat ±5% 外观应无异常 No abnormality in appearance. 260±5℃, 10±1s 焊接性 Solderability 应有95%以上的新焊锡覆盖. 95% Coverage min. 230±5℃ 5±0.5s/250±5℃ 5±0.5s(Pb free) 温度突变 Rapid change of temperature ±5% 外观应无异常 No abnormality in appearance. -40℃ (30min) /+125℃ (30min)50cycles 耐浪涌量 Maximum peak current ±10% 外观应无异常 No abnormality in appearance. 把额定的冲击波电流(T=8*20μs)施加一次. Rated impulse current of(T=8/20μs), positive or negative applied once. 最大电能 Maximum energy ±10% 外观应无异常 No abnormality in appearance. 把额定能量(T=2ms)施加一次. A single standard impulse of(T=2ms),once. 施加高温直流电压 High temperature life with d.c. bias ±10% 外观应无异常 No abnormality in appearance. 85℃±5℃、Vc=最大允许回路电压(Vd.c.)1000h Load: Maximum allowable circuit voltage(Vd.c.) 施加高温高湿直流电压 High temperature and high humidity life with d.c bias ±10% 外观应无异常 No abnormality in appearance. 85±5℃ RH=85% Vc=最大允许回路电压(Vd.c.)1000h Load: Maximum allowable circuit voltage(Vd.c.) 高温高湿保存 High temperature & high humidity storage life ±5% 外观应无异常 No abnormality in appearance. 80±5℃ 95%RH 1000h 高温保存 High temperature storage life ±5% 外观应无异常 No abnormality in appearance. 125℃±5℃, 1000h 低温保存 Low temperature storage life ±5% 外观应无异常 No abnormality in appearance. -40℃±5℃, 1000h 浪涌寿命 Peak current life ±10% 外观应无异常 No abnormality in appearance. 以10秒钟间隔把额定的冲击波电流(T=8/20μs)施加10,000次. Rated impulse current of(T=8/20μs), 10,000 times, interval 10sec. 取得规格和范围 Approval Awarded and Coverage z UL1449 (File No. E328032) z c-UL1449 (File No. E328032) z VDE (IEC61051 IEC60950-1AnnexQ: File No. 40037531) Mar. 2015