WMSIC Electronic Components

Sunlord SDNT1608X103J3435HTF

ModelSDNT1608X103J3435HTF
Package0603
BrandSUNLORD
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
Sunlord SDNT1608X103J3435HTF
Type
SUNLORD
Minimum package
4000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
SUNLORD
Electronic Component
SDNT1608X103J3435HTF
Electronic Component
1
Electronic Component
0.8mm
Package
0603
Electronic Component
NTCThermistor Resistor
Electronic Component
0.027g
Electronic Component
1.6mm
Electronic Component
10kΩ
Electronic Component
0.8mm
Electronic Component
1
B
±3%
Electronic Component
BM0265071947
Operating Temperature
55℃~+125℃

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

SDNT1608X103J3435HTF NTC热敏电阻产品概述

顺络电子推出的SDNT1608X103J3435HTF是一款0603贴片封装的负温度系数(NTC)热敏电阻,专为小型化、高可靠性的温度检测与控制场景设计,核心参数匹配工业、汽车及消费电子等多领域需求,是终端产品中温度传感器的高性价比选择。

一、产品核心定位与封装特性

该产品采用行业标准0603贴片封装,尺寸为1.6mm(长)×0.8mm(宽)×0.8mm(高),属于小型化贴片元件范畴,可直接兼容常规SMT(表面贴装技术)生产线,支持自动化批量贴装,大幅提升生产效率。封装设计紧凑,能有效节省PCB板空间,适合手机、车载设备等对体积要求严格的终端产品,同时避免了插件式元件的焊接复杂问题。

二、关键电气与热学参数详解

SDNT1608X103J3435HTF的核心参数精准,满足多数温度检测场景的精度需求:

  • 电气参数:25℃下标称阻值为10kΩ(标识“103”),电阻精度±5%;B值(25℃/50℃)为3435K,B值精度±3%——B值是NTC热敏电阻的温度系数核心指标,3435K属于常用区间,能保证温度变化与阻值变化的线性度(在-55℃~+125℃范围内),便于电路设计中通过阻值换算温度,无需复杂补偿算法。
  • 热学参数:额定功率100mW,耗散系数1mW/℃(每升高1℃时元件自身耗散功率增加1mW),热时间常数5s——热时间常数反映元件温度响应速度,5s属于中等响应速度,适合需要稳定检测(而非瞬态突变)的场景(如电池持续温度监控);额定功率100mW意味着元件最大允许温度升高100℃(但实际工作温度需控制在-55℃~+125℃范围内)。
  • 工作温度范围:-55℃~+125℃,覆盖低温(如汽车冬季环境)、高温(如工业设备运行)多场景,无需额外设计温度补偿电路即可满足多数终端需求。

三、性能优势与可靠性

  1. 精度一致性:电阻精度±5%、B值精度±3%,经顺络电子批量生产一致性管控,不同批次产品的温度-阻值特性偏差极小,可降低终端产品的温度检测误差,减少后期校准成本。
  2. 宽温可靠性:工作温度范围覆盖工业级(-40℃+85℃)及汽车级部分场景(-55℃+125℃),经高温老化、温度循环、湿度测试等可靠性验证,长期使用性能稳定,适合 harsh 环境下的持续工作。
  3. 兼容性强:0603封装适配多数PCB设计规范,可与常规贴片电容、电阻等元件混装,无需特殊布局;10kΩ标称阻值是温度检测电路的常用值,匹配多数MCU(微控制单元)的ADC(模数转换)接口,降低电路设计难度。

四、典型应用场景

SDNT1608X103J3435HTF因参数适配性强,广泛应用于以下领域:

  • 消费电子:手机、平板的电池管理系统(BMS)温度检测(防止过充过放)、充电器/电源适配器的温度保护(避免过热损坏)、智能穿戴设备的体温/环境温度监测。
  • 汽车电子:车载空调的出风口温度控制、汽车电池(如铅酸电池、锂电池)的温度监控、车灯模块的温度保护(防止LED过热)、车载充电器的温度反馈。
  • 工业设备:小型电机绕组温度监控、开关电源模块的温度反馈控制、智能家居温控器的环境温度检测、热水器的水温控制、小型家电的过热保护。

五、选型与使用注意事项

  1. 选型匹配:若需更高精度(如±1%)或不同B值(如3950K),需确认参数是否匹配;若应用场景温度超过125℃,需选择更高耐温等级的产品。
  2. 功率限制:使用时需保证元件耗散功率不超过100mW,避免因电流过大导致温度升高超过额定值,损坏元件(建议通过分压电路限制电流)。
  3. 焊接规范:符合常规0603贴片焊接工艺(如回流焊温度峰值260℃左右,时间不超过10s),避免焊接温度过高影响元件性能。
  4. 存储要求:存储环境温度建议-20℃~+40℃,湿度≤60%,避免长期暴露在高温高湿环境中,防止引脚氧化或性能退化。

总结:SDNT1608X103J3435HTF作为顺络电子的主流NTC热敏电阻,以小型化封装、精准参数、宽温可靠性为核心优势,覆盖多领域温度检测与控制需求,是终端产品设计中温度传感器的可靠选择。

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