熱敏503J 5%電阻溫度表R25=50K B25/50=4350KTRTRTRTRTRTRTR-5510583.3-291260.33-3226.8272355.2014916.87756.151012.578-549659.64-281171.92-2213.7522452.5395016.179765.9341022.499-538823.97-271090.36-1201.522550.0005115.521775.7261032.423-528067.32-261015.080190.072647.6425214.893785.5271042.35-517381.62-25945.551179.3462745.3895314.295795.3361052.279-506759.67-24881.2822169.32843.2575413.723805.1521062.211-496195.08-23821.8493159.8832941.2385513.178814.9761072.145-485682.11-22766.8524151.0523039.3265612.658824.8061082.081-475215.67-21715.9325142.7673137.5145712.161834.6441092.02-464791.19-20668.7586134.9913235.7965811.686844.4871101.961-454404.58-19625.0297127.693334.1685911.233854.341111.903-444052.19-18584.4718120.8323432.6236010.8864.1931121.848-433730.73-17546.8339114.3863531.1586110.385874.0541131.795-423437.26-16511.88510108.3273629.767629.989883.921141.743-413169.14-15479.41611102.6273728.447639.611893.7921151.693-402924-14449.2361297.2653827.193649.249903.6681161.645-392699.71-13421.1661392.2173926.002658.902913.5491171.598-382494.33-12395.0471487.4634024.87668.571923.4351181.553-372306.13-11370.7291582.9854123.795678.253933.3251191.51-362133.57-10348.0761678.7654222.772687.949943.2191201.468-351975.22-9326.9651774.7874321.799697.658953.1171211.427-341829.81-8307.2791871.0344420.873707.38963.0181221.388-331696.2-7288.9131967.4944519.992717.112972.9241231.349-321573.34-6271.7712064.1524619.154726.856982.8321241.313-311460.3-5255.7632160.9974718.355736.611992.7441251.277-301356.22-4240.8072258.0174817.595746.3761002.66002、材料包封材料引線(xiàn)材質(zhì)本體顏色標(biāo)識(shí)顏色環(huán)氧樹(shù)脂鍍錫鋼線(xiàn)黑色白色3、型號(hào)說(shuō)明MF11503J溫度補(bǔ)償型NTC熱敏電阻器電阻值阻值允差50 103=50K 5%4、電氣性能項(xiàng)目符號(hào)測(cè)試條件單位性能要求4.125℃的零功率電阻值R25Ta=25 0.05℃測(cè)試功率 0.1mWK 50 5%4.2B值B25/50B=[(Ta Tb)/(Tb-Ta)] ln(Ra/Rb)K4350 5%4.3耗散系數(shù) Tb=50℃ 0.1℃mW/℃靜止空氣中 64.4時(shí)間常數(shù) Tb=50℃ 0.1℃sec靜止空氣中 304.5絕緣電阻/100V/DC 1minM 1004.6工作溫度范圍//℃-55 ~ 1255、可靠性能試驗(yàn)項(xiàng)目測(cè)試條件及方法技術(shù)要求5.1可焊性將引線(xiàn)浸入235 5℃的錫液中，錫面距本體下端6mm處，時(shí)間2~3秒焊料在引線(xiàn)浸入部分表面涂布均勻、光滑，面積在95%以上5.2耐焊接熱將引線(xiàn)浸入265 5℃的錫液中，液面距電阻體6mm，時(shí)間5 1秒無(wú)可見(jiàn)性損傷，R25 R/R 2%5.3引出端強(qiáng)度拉力：10N，時(shí)間：10 1秒無(wú)可見(jiàn)性損傷，R25 R/R 2%5.4溫度快速變化-55℃30min 25℃5min 125℃30min 25℃5min，反復(fù)5次無(wú)可見(jiàn)性損傷，標(biāo)志清晰，R25 R/R 3%5.5高溫溫度：125℃，時(shí)間：16小時(shí)無(wú)可見(jiàn)性損傷，標(biāo)志清晰，R25 R/R 3%5.6寒冷溫度：-55℃，時(shí)間：2小時(shí)無(wú)可見(jiàn)性損傷，標(biāo)志清晰，R25 R/R 3%5.7低氣壓氣壓：40 0.1Kpa，時(shí)間:4小時(shí)無(wú)可見(jiàn)性損傷，R25 R/R 3%5.8穩(wěn)態(tài)溫?zé)釡囟龋?0℃，濕度：93%，時(shí)間：48 2小時(shí)無(wú)可見(jiàn)性損傷，標(biāo)志清晰，R25 R/R 5%，耐電壓 700/AC 1min絕緣電阻 100M 5.9交變濕熱溫度：25~40℃，濕度：90%，時(shí)間：24小時(shí)無(wú)可見(jiàn)性損傷，標(biāo)志清晰，R25 R/R 3%，耐電壓 700/AC 1min絕緣電阻 100M 5.10上限類(lèi)別溫度下零功耗的耐久性溫度: 125℃ 2℃,時(shí)間:1000 24小時(shí)無(wú)可見(jiàn)性損傷，標(biāo)志清晰R25 R/R 5%5.11振動(dòng)頻率范圍：10~500HZ，振幅：0.75mm或100m/S2，時(shí)間2小時(shí)無(wú)可見(jiàn)性損傷，R25 R/R 3%5.12碰撞加速度：250m/S2，脈沖持續(xù)時(shí)間：6mS，碰撞次數(shù)：4000次無(wú)可見(jiàn)性損傷，R25 R/R 3%6、焊接條件焊接時(shí)，焊接處距電阻體根部至少6mm，焊接溫度應(yīng)低于350℃，焊接時(shí)間應(yīng)盡量短。7、儲(chǔ)存條件7.1儲(chǔ)存溫度：-10℃ ～ 40℃；7.2儲(chǔ)存濕度： 75% RH；7.3避免存放在具有腐蝕性氣體及光照的環(huán)境下；7.4包裝打開(kāi)后需重新密封保存；