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B57820M0841A004

更新时间： 2024-03-03 10:10:48

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B57820M0841A004 数据手册

Temperature measurement and compensation

Leadless NTCs

B57820M

M820

should be used. In addition, soldering methods should be employed which permit short soldering

times.

1.3

SMD NTC thermistors

SMD NTC thermistors can be provided with a nickel barrier termination or on special request with

silver-palladium termination. The use of no-clean solder products is recommended. In any case

mild, non-activated fluxes should be used. Flux residues after soldering should be minimized.

SMD NTCs with AgPd termination are not approved for lead-free soldering.

Nickel barrier termination

Figure 1

SMD NTC thermistors, structure of nickel

barrier termination

The nickel barrier layer of the silver/nickel/tin termination (see figure 1) prevents leaching of the

silver base metallization layer. This allows great flexibility in the selection of soldering parameters.

The tin prevents the nickel layer from oxidizing and thus ensures better wetting by the solder. The

nickel barrier termination is tested for all commonly-used soldering methods according to IEC

60068-2-58. Insufficient preheating may cause ceramic cracks. Rapid cooling by dipping in sol-

vent is not recommended.

The following test and process conditions apply for nickel barrier termination.

Please read Cautions and warnings and

Important notes at the end of this document.

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型号	品牌	获取价格	描述	数据表
B57820-M102-A3	EPCOS	获取价格	RESISTOR, TEMPERATURE DEPENDENT, NTC, 1014ohm, CHASSIS MOUNT
B57820-M561-A5	EPCOS	获取价格	RESISTOR, TEMPERATURE DEPENDENT, NTC, 560.2ohm, CHASSIS MOUNT
B57820-M841-A4	EPCOS	获取价格	RESISTOR, TEMPERATURE DEPENDENT, NTC, 843.2ohm, CHASSIS MOUNT
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B57850T0103F000	TDK	获取价格	Resistance (at 25°C)=10kΩ
B57850T0103G000	TDK	获取价格	Resistance (at 25°C)=10kΩ
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