♦Smaller size saves board space and cost
♦Rettable circuit protection
自恢复保护、免维护
♦Fast time-to-trip
i touch
动作时间快
斯皮尔伯格经典电影
♦Low resistance
低内阻值
♦Lead-free and compliant with the European Union RoHS Directive2002/95/EC 符合欧州ROHS无铅环保要求
B.Application应用范围
Polymer Rettable Fu for over-current,over-temperature and short-circuit protection
可恢复保险丝用于过流、温度和线路短路保护
♦Loudspeaker、VCD、DVD、Transformers、Automotive electronics、Electronic toys、Motors 音响喇叭、VCD、DVD机、变压器、汽车电子、电子玩具、马达（电动工具）
♦IEEE1394Ports
IEEE1394通讯接口
beyond什么意思
♦USB hub,ports and peripherals
USB交换机及外围设备
♦Phones
电话设备
♦Data communication
数据交换机
♦Modems/Ethernet/LAN
调制解调器/以太网
C.General Description简要概述
Polymer rettable fu are made of polymeric PTC materials which is a matrix of
自恢复保险丝是聚合物高分子材料通过特殊工艺而成，
polymer containing disperd conductive particles.Generally,the device has a very
高分子粒子按一定的规律排列，正常情况下，自恢复保险丝器件处于低内阻状态，
low resistance.If an over-current happened,as a respon to the damage current,
当电路中电流突然增大时，
the resistance will immediately increa to very high,reducing the current of the
器件将会在短时间内阻值升到高阻状态、高分子膨胀
circuit to a safe value that the loading can carry.Once fault to the circuit is weed out
从而起到减少过电流；
and power is recuperated,the polymer will deflate itlf,the device will ret and is
心想事成英文
一旦故障排除后，高分子将会恢复正常规则排序。
ready for normal operation.
D.Product Dimensions 产品尺寸产品尺寸（mm ）
E.Electrical Characteristics 电气参数
术语说明
I H=HOLD CURRENT:MAXIMUM CURRENT AT WHICH THE DEVICE WILL NOT TRIP AT25℃STIL
L AIR.
I H：保持电流―――25℃静态空气环境中PPTC不工作的最高电流
I T=TRIP CURRENT:MINIMUM CURRENT AT WHICH THE DEVICE WILL ALWAYS TRIP AT25℃STILL AIR.
I T：触发电流―――25℃空气环境中PPTC动作所需的最小电流
T TRIP=MAXIMUM TIME TO TRIP(S)AT ASSIGNED CURRENT.
T TRIP：动作时间――－25℃空气环境5倍IH时最大动作时间
V MAX=MAXIMUM VOLTAGE DEVICE CAN WITHSTAND WITHOUT DAMAGE AT RATED CURRENT.
V MAX：最大工作电压―――PPTC的最大工作电压
I MAX=MAXIMUM FAULT CURRENT DEVICE CAN WITHSTAND WITHOUT DAMAGE AT RATED VOLTAGE.
个性的英文名
I MAX：PPTC最大承受电流
R MIN=MINIMUM DEVICE RESISTANCE AT25℃PRIOR TO TRIPPING.
R MIN：最小电阻―――25℃环境温度下PPTC最小零功率阻值
R MAX=MAXIMUM DEVICE RESISTANCE AT25℃PRIOR TO TRIPPING.
R MAX：最大电阻―――25℃环境温度下PPTC最大零功率阻值
F.Thermal Deration Chart-Ihold温度与电流对照表(A)
产品型号-40℃-20℃0℃25℃40℃50℃60℃70℃85℃60V-0050.0770.0690.0610.0500.0440.0400.0360.0320.025 60V-0100.180.150.130.100.080.070.060.050.03 60V-0170.280.240.200.170.140.120.100.090.06 60V-0200.340.290.250.200.160.140.130.100.07 60V-0250.420.360.310.250.200.180.160.120.09 60V-0300.520.440.380.300.240.220.180.140.10 60V-0400.660.570.500.400.320.290.240.200.14 60V-0500.830.740.630.500.410.360.300.250.18 60V-065 1.100.950.820.650.530.470.400.330.24 60V-075 1.26 1.110.950.750.610.540.450.390.28 60V-090 1.52 1.30 1.150.900.730.650.550.470.33 60V-110 1.82 1.60 1.35 1.100.890.790.650.550.40 60V-135 2.20 1.91 1.65 1.35 1.090.960.800.
680.50 60V-160 2.60 2.30 1.95 1.60 1.30 1.13 1.000.800.60
60V-185 3.00 2.63 2.30 1.85 1.50 1.33 1.120.920.67
60V-250 4.05 3.58 3.02 2.50 2.02 1.80 1.55 1.300.9060V-300 4.82 4.16 3.62 3.00 2.43 2.16 1.85 1.50 1.0960V-500
7.44
urinterface
6.68
the shadow
5.80
5.00
4.30
4.03
3.58
3.22
2.77
G.Test Procedures and Requirements 测试条件
Test 测试项目
Test Conditions 测试条件
snatch
Accept/Reject Criteria 判定标准
Resistance
In still air @25℃
Rmin ≤R ≤R 1max
Time to Trip Vmax,25℃,In still air @25℃T ≤max.time to trip(conds)
Hold Current 30min.at I H ,In still air @25℃No trip
Trip Cycle Life Vmax,Imax,100cycles ,In still air @25℃
No arcing or burning Trip Endurance
Vmax,1hours ,In still air @25℃
No arcing or burning
教学方法与教学手段
H.Order Information 订购信息
I .产品型号说明
II.产品丝印说明
III.最小包装：1000PCS/包
NOTE:ALL DATA AND SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE.
ALL PRODUCTS COMPATIBLE WITH ROHS
注意注意：：所有的规格所有的规格、、参数更新将不例行通知propos
