5、0mW◆热时间常数:≤3sec◆□:表示阻值误差(F:1%、G:2%、H:3%、J:5%、K:10%)◆B值误差±2%◆使用温度范围-40~+125℃珠状负温度系数(NTC)热敏电阻器外形代号结构1代号DmaxL1maxL2mind±0.05H±0.05A2.5±0.5303.03.0B2.0±0.5252.53.0234代号DmaxL1maxL2mind±0.05F±0.05A34250.3/0.452B340.3/0.22C340.4/0.52D340.26/0.322E342.5型号规格BN 1 R223 B3950 J① ② ③ ④ ⑤①珠状负温度系数热敏电阻器②外