Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
RUILON NTC47D-15 NTC47D
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- RUILON NTC47D-15
- Type
- RUILON
- Minimum package
- 250
Technical parameters
- Electronic Component
- RUILON
- Electronic Component
- NTC47D-15
- Electronic Component
- 1
- Electronic Component
- 6mm
- Package
- Through-hole, P=7.5mm
- Electronic Component
- NTCThermistor Resistor
- Electronic Component
- 2.376g
- Electronic Component
- 47Ω
- Pitch
- 7.5mm
- Electronic Component
- 1
- (φD)
- 15mm
- Electronic Component
- BM0228277562
- Operating Temperature
- 55℃~+200℃
- Electronic Component
- 18mW/℃
- Electronic Component
- 1.43min
- Electronic Component
- 250
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
NTC47D-15 产品概述
一、产品简介
NTC47D-15 是 RUILON（瑞隆源）系列的负温度系数热敏电阻器，专为电源浪涌抑制与过流保护设计。器件标称阻值为 47Ω（25℃），属于低功耗、插件式热敏电阻，封装为通孔插件型，脚间距 P=7.5mm，方便在传统印制板与配线模块中安装替换。
二、主要技术参数
- 阻值：47Ω（在 25℃ 测量）
- 最大稳态电流（25℃）：3A
- 工作温度范围：-55℃ ~ +200℃
- 封装形式：插件，P = 7.5mm（脚间距）
- 品牌：RUILON（瑞隆源）
- 类型特性：NTC（负温度系数），随温升阻值下降，用于抑制浪涌电流与限制启动电流
三、功能与典型应用
NTC47D-15 主要用作浪涌吸收器与启动电流限制器，在各种需要抑制瞬态大电流或降低接通冲击的场合都能发挥作用。典型应用包括：
- 开关电源与变压器初级的起动浪涌抑制
- LED 驱动电源、照明电源启动限流
- 马达驱动、继电器和接触器的吸弧与防打火
- 电池充放电、通信设备与工业控制电源的过流保护
- 防浪涌保护器件与消弧模块
四、选型与使用建议
- 工作电流：长期工作电流应控制在额定最大稳态电流 3A 以下，考虑环境温度与散热条件进行适当裕量。
- 热管理：NTC 在通过较大电流时自身会发热，需保证良好散热或适当间隔布置，避免长期高温造成特性漂移。
- 串联保护：在强浪涌或重复高能量场合，建议与保险丝或熔断器串联使用，以防器件超载。
- 焊接注意：插件式元件应采用合适的波峰或手工焊接工艺，避免长时间高温作用在端子与材料上；安装时避免过度弯折引脚。
五、可靠性与环境适应
NTC47D-15 具有宽温工作范围（-55℃ 至 +200℃），可适应多数工业与极端环境工况。长期可靠性依赖于运行电流、环境温度及热循环次数，合理的电流裕度与散热设计可显著延长使用寿命。
六、典型电路与选型提示
- 启动限流：将 NTC47D-15 串接在电源输入端，通电初期高阻抑制浪涌，待器件自热后阻值下降以减小功耗。
- 吸弧与防打火：在带开关或继电器的回路中并联或串联配置，可降低触点冲击能量与抑制电弧。
选型时除标称阻值与最大稳态电流外，还应结合实际浪涌能量、重复冲击频率与装配空间进行验证与老化试验。
如需器件数据表、电流-阻值曲线或更详细的热力学参数，可联系 RUILON（瑞隆源）技术支持获取完整规格书与样品评估。
Request for quote
Send RFQ
Use the form for single models, category sourcing, and multi-line BOM requirements.
Product sourcing intelligence
Model, package, availability, and BOM fit reviewed before quotation.
WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.
BOM matching & alternatives
BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.
Sourcing availability signal
Stock routes, quotation confidence, lead-time notes, and shipment feasibility are checked before sales follow-up.
Buyer sourcing scenarios
Examples of how common component sourcing requests are organized.
Typical RFQ scenarios based on the WMSIC form fields, catalog data, manual review steps, and shipment preparation workflow.
The buyer shares the full part number, package requirement, quantity, destination, and available product photos so the quotation can record the exact version under review.
A multi-line BOM is organized into direct sourcing lines, lines that need package clarification, and lines where alternative-part review is permitted.
The original manufacturer part number, datasheet revision, application, critical limits, and acceptable changes are collected before possible candidates are discussed.
Sample quantity, minimum packing, package format, target date, and courier destination are kept together in one RFQ conversation.
Package photos, model markings, board context, and the quantity needed for repair help focus the sourcing review on the relevant version.
When a suffix or package note is incomplete, the response records the open difference and requests buyer confirmation before procurement proceeds.
Packing format, carton notes, invoice details, courier option, destination, and tracking handoff are coordinated around the confirmed order.
The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.
Related products
Packaged components ready for RFQ.
