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LNSY20 Datasheet(PDF) 4 Page - List of Unclassifed Manufacturers |
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LNSY20 Datasheet(HTML) 4 Page - List of Unclassifed Manufacturers |
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4 / 10 page  Resistance @ 25 o C The zero-power resistance at the standard temperature of 25oC. The zero-power resistance means the value of DC resistance of a thermistor measured at a specified temperature, with electric load being kept so small that there is no noticeable change in the measured resistance by the influence of the applied electric load. Bconstant 25 / 85 B = ln(R 0/R1) / (1/T0 - 1/T 1) Without special note, B constant is calculated from the resistance values at 25oC and 85oC [B25/85], which is the most common. Dissipation constant (¥ ¥ ‰ ) Dissipation factor is defined as the ratio at a specified ambient temperature of a change in power dissipation in a thermistor to the resultant body temperature change. ¡⁄¥ = P/( T1 - 25oC ) mW/ oC ¡⁄ P : dissipated power ¡⁄ T1 : thermistor temp, 85¡ 0.1oC Maximum power rating P This is the maximum handling power, keeping its temperature not exceeding the allowed maximum temperature for operation. ¡⁄ Pmax = ¥(Tmax - Ta) ¡⁄¥ :dissipation constant ¡⁄ Ta:25oC ¡⁄ Tmax:125oC Thermal Time Constant The time necessary for an unloaded thermistor to vary its temperature by 63.2% of the difference between its initial and final temperatures. Initial temperature is 85¡ 0.1oC and final temperature is 47.1¡ 0.1oC. Resistance @25oC B constant Dissipation Maximum Operating Temp. Part Number 25/85 Constant Power Rating LNSK20 _ 502_ _ 5§ 3435K LNSK20 _ 103_ _ 10§ 3435K LNSY20 _ 102_ _ 1§ 3670K LNSY20 _ 222_ _ 2.2§ 3670K LNSY20 _ 472_ _ 4.7§ 3670K LNSY20 _ 502_ _ 5§ 3670K LNSY20 _ 682_ _ 6.8§ 3670K LNSY20 _ 103_ _ 10§ 3670K LNSW20 _ 103_ _ 10§ 3890K LNSW20 _ 223_ _ 22§ 3890K LNSW20 _ 443_ _ 44§ 3890K LNSV20 _ 202_ _ 2§ 4150K LNSV20 _ 222_ _ 2.2§ 4150K LNSV20 _ 272_ _ 2.7§ 4150K LNSV20 _ 332_ _ 3.3§ 4150K LNSV20 _ 103_ _ 10§ 4150K LNSV20 _ 333_ _ 33§ 4150K LNSV20 _ 473_ _ 47§ 4150K LNSV20 _ 503_ _ 50§ 4150K LNSV20 _ 583_ _ 58§ 4150K LNSV20 _ 683_ _ 68§ 4150K LNSV20 _ 853_ _ 85§ 4150K LNSV20 _ 104_ _ 100§ 4150K LNSV20 _ 124_ _ 120§ 4150K LNSV20 _ 154_ _ 150§ 4150K LNSV20 _ 334_ _ 330§ 4150K LNSV20 _ 474_ _ 470§ 4150K LNSU20 _ 683_ _ 68§ 4550K LNSU20 _ 104_ _ 100§ 4550K LNSU20 _ 105_ _ 1§ 4750K LNST20 _ 474_ _ 470§ 4750K 2012(0805) size If you want additional spec., please contact to lattron. Fax : 82-42-935-2034 Email : lattron@lattron.com 3.5mW/oC 350mW -40~125oC -40~125oC -40~85oC NTC Thermistor SMD 10 www.lattron.com |
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