0603系列NTC貼片熱敏電阻介紹:
NTC熱敏電阻(zu)是(shi)一種(zhong)由(you)錳、鈷、鎳(nie)為主(zhu)多種(zhong)金(jin)屬氧化(hua)物為原料燒(shao)結而成的陶瓷半導體(ti)感熱晶體(ti),對溫度(du)變化(hua)的敏感度(du)極高(gao),其零功率
電(dian)阻(zu)值隨著本體溫度升高(gao)而降(jiang)低(di),隨著溫度的升高(gao)電(dian)阻(zu)值呈指數關系(xi)下降(jiang),溫度系(xi)數高(gao)達(3~6%/℃),微(wei)小的溫度變化會引起很大
的電(dian)(dian)(dian)(dian)阻(zu)值變化(hua)。根據熱(re)敏電(dian)(dian)(dian)(dian)阻(zu)的R-T阻(zu)值溫度(du)曲(qu)線,可以測算出每一個溫度(du)點精確(que)的電(dian)(dian)(dian)(dian)阻(zu)值,在(zai)電(dian)(dian)(dian)(dian)路中(zhong)就可以通過電(dian)(dian)(dian)(dian)阻(zu)值來(lai)實現溫度(du)的
數字化對應,用來進行溫度的(de)測量和控制。
NTC熱敏電阻(zu)因為其(qi)對溫度的靈敏度高、可(ke)靠性好(hao)、互換性強、廉價、體積小、容易加工成(cheng)各種所需的形狀(zhuang)和(he)尺寸等優勢(shi)廣(guang)泛地應用(yong)
在家電、數碼通訊、汽車、工業、醫療等(deng)領域內(nei),其主要功能是(shi)溫度檢測(ce)及(ji)控制、溫度補償、抑制浪涌電流(liu)、流(liu)體流(liu)量測(ce)試等(deng)作用(yong)。
0603系列NTC貼片(pian)熱敏電阻特點:
1) 體積小,無引線(xian),焊接性能優良,適(shi)合高(gao)密度表(biao)面貼(tie)裝;
2) 瓷(ci)體(ti)表面采用玻璃(li)包封(feng),耐潮濕性(xing)(xing)能好,可靠性(xing)(xing)與穩(wen)定(ding)性(xing)(xing)高;
3) 工作溫度范圍廣(guang):-40℃~+125℃;
4) 高(gao)精度的電阻值(zhi)和B值(zhi)常數(shu);
5) 符合RoHS環(huan)保標準
0603系列NTC貼(tie)片熱敏電阻應用范圍:
溫(wen)度(du)測量:電(dian)(dian)子(zi)(zi)溫(wen)度(du)計、電(dian)(dian)子(zi)(zi)萬年歷、電(dian)(dian)子(zi)(zi)鐘溫(wen)度(du)顯(xian)示、電(dian)(dian)子(zi)(zi)禮品等;
溫(wen)度控制:手機、汽(qi)車電(dian)話、筆記本電(dian)腦、智(zhi)能(neng)穿戴設(she)備等設(she)備充電(dian)電(dian)池(chi)的溫(wen)度傳感(gan);
溫度補(bu)償(chang):移動通信設備的晶體管(guan)、IC和晶體振蕩器的溫度補(bu)償(chang)。
0603系列NTC貼(tie)片熱敏電阻性能參數:
型號 | 電阻值(25℃) (kΩ) | B常數(25/50℃)(K) | B常數(25/85℃) (K) | 允許工作電流 (25℃)(mA) | 耗(hao)散系數 (mW/℃) | 熱時間常數 (s) |
QN0603X102F3650FB | 1.0 | 3650±1% | 3700 | 1.00 | 1.0 | <5 |
QN0603X152F3950FB | 1.0 | 3950±1% | 3987 | 0.81 | ||
QN0603X222F3450FB | 2.2 | 3450±1% | 3500 | 0.67 | ||
QN0603X222F3950FB | 2.2 | 3950±1% | 3987 | 0.67 | ||
QN0603X302F3450FB | 3.0 | 3450±1% | 3500 | 0.58 | ||
QN0603X302F3950FB | 3.0 | 3950±1% | 3987 | 0.58 | ||
QN0603X332F3450FB | 3.3 | 3450±1% | 3500 | 0.55 | ||
QN0603X332F3950FB | 3.3 | 3950±1% | 3987 | 0.55 | ||
QN0603X472F3500FB | 4.7 | 3500±1% | 3545 | 0.46 | ||
QN0603X472F3950FB | 4.7 | 3950±1% | 3987 | 0.46 | ||
QN0603X502F3500FB | 5.0 | 3500±1% | 3545 | 0.44 | ||
QN0603X502F3950FB | 5.0 | 3950±1% | 3987 | 0.44 | ||
QN0603X682F3500FB | 6.8 | 3500±1% | 3545 | 0.38 | ||
QN0603X682F3950FB | 6.8 | 3950±1% | 3987 | 0.38 | ||
QN0603X103F3380FB | 10 | 3380±1% | 3435 | 0.31 | ||
QN0603X103F3450FB | 10 | 3450±1% | 3500 | 0.31 | ||
QN0603X103F3610FA | 10 | 3550 | 3610±1% | 0.31 | ||
QN0603X103F3900FB | 10 | 3900±1% | 3935 | 0.31 | ||
QN0603X103F3950FB | 10 | 3950±1% | 3987 | 0.31 | ||
QN0603X153F3950FB | 15 | 3950±1% | 3987 | 0.25 | 1.0 | <5 |
QN0603X223F3950FB | 22 | 3950±1% | 3987 | 0.21 | ||
QN0603X223F4050FB | 22 | 4050±1% | 4100 | 0.21 | ||
QN0603X333F4050FB | 33 | 4050±1% | 4100 | 0.17 | ||
QN0603X473F3960FA | 47 | 3920 | 3960±1% | 0.14 | ||
QN0603X473F4050FB | 47 | 4050±1% | 4100 | 0.14 | ||
QN0603X473F4150FB | 47 | 4150±1% | 4210 | 0.14 | ||
QN0603X503F4150FB | 50 | 4150±1% | 4210 | 0.13 | ||
QN0603X683F4150FB | 68 | 4150±1% | 4210 | 0.12 | ||
QN0603X104F3950FB | 100 | 3950±1% | 3987 | 0.10 | ||
QN0603X104F4100FA | 100 | 4050 | 4100±1% | 0.10 | ||
QN0603X104F4250FB | 100 | 4250±1% | 4310 | 0.10 | ||
QN0603X154F4250FB | 150 | 4250±1% | 4310 | 0.08 | ||
QN0603X154F4500FB | 150 | 4500±1% | 4582 | 0.08 | ||
QN0603X224F4300FB | 220 | 4300±1% | 4343 | 0.06 | ||
QN0603X224F4500FB | 220 | 4500±1% | 4582 | 0.06 | ||
QN0603X334F3950FB | 330 | 3950±1% | 3987 | 0.05 | ||
QN0603X334F4300FB | 330 | 4300±1% | 4343 | 0.05 | ||
QN0603X474F4000FB | 470 | 4000±1% | 4045 | 0.04 | ||
QN0603X474F4500FB | 470 | 4500±1% | 4582 | 0.04 | ||
QN0603X684F4100FB | 680 | 4100±1% | 4135 | 0.03 | ||
QN0603X684F4500FB | 680 | 4500±1% | 4582 | 0.03 | ||
QN0603X135F4500FB | 1300 | 4500±1% | 4582 | 0.02 |