PDF《BLR》

0 20

40 60

8 100

120 160

180 70

0 20

40 60

80 100 Percent rated power 额定功率比(%) 环境温度 Ambient temperature(o C)

0 140 在环境温度70℃以上使用时,应按照上图负荷减轻特性曲线,减小额定功率. For resistors operated at an ambient temperature of 70?C or above, a power rating shall be derated in accordance with the above derating curve. 性能 Performance 试验项目 Test Items 标准值 Performance Requirements ΔR±(%+0.05 Ω) 试验方法 Test Methods 保证值 Limit 代表值 Typical 电阻值 Resistance 在规定的允许偏差内 Within speci?ed tolerance C 25℃ 电阻温度系数 T.C.R. 在规定值以内 Within speci?ed T.C.R. C 室温 Room temp. +100℃UP 耐寒性 Cold resistance

5 2 -55℃ 1000h 耐热性 Heat resistance

5 2 +125℃ 1000h 耐湿负荷 Moisture resistance

5 2 40℃±2℃, Power rating*1/10, 90%~95%RH, 1000h 1.5小时ON、0.5小时OFF的周期 1.5h ON/0.5h OFF cycle 耐久性(额定负荷) Load life

5 2 70℃±2℃, 1000h 1.5小时ON、0.5小时OFF的周期 1.5h ON/0.5h OFF cycle 使用注意事项 Precautions for Use z 对于焊锡,本产品对电极表面未进行表面处理,请加以留意. 推荐助焊剂:OX63-101F(千住金属工业株式会社) z 对于50mΩ以下的电阻值,由于焊盘的尺寸和焊接用焊锡使用量的变化,焊接后的电阻值可能会发生变化.请事先确认电阻值降低或者增高可能 产生的影响后,设计机器. z Take care of soldering since the surface treatment is not made on the electrodes of these resistors. Recommended flux:OX63-101F (Senju Metal Industry Co., Ltd.) z In the resistance values of 50mΩor under, the resistance value after soldering may change depending on the size of pad pattern or solder amount. Make sure the effect of decline/increase of resistance value before designing. Mar. 2015