德国T11u11005温控器恒温器热保护器温控开关F13A11005可恢复保护器厂 ¥1.85 玻璃单端热敏电阻3.3K 49.12K3970K3992K0.55K98.63K4300K4066K ¥0.55 NTC热敏电阻玻璃单端热敏电阻3950 1% 10K MF MF10 MF57 MF58电阻生产厂 ¥0.85 UL安规认证NTC玻璃单端热敏电阻3450 10K50K100K1% 2% 3% MF51 MF52 ¥0.10 UL安规NTC玻封二极管3950 10K50K 100K50K1%2%3% ¥0.10 NTC热敏电阻玻封二极管200K1%4200精度2%3%5%UL安规MF52热敏电阻 ¥0.10