WMSIC Electronic Components

TDK DEA162450BT-1298A1 DEA162450BT

ModelDEA162450BT-1298A1
PackageSMD-3P,1.6x0.7mm
BrandTDK
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 25+

Available for RFQ

Technical data

Product details

20 specifications

Core information

Product name
TDK DEA162450BT-1298A1
Type
SMD-3P, 1.6X0.7MM
Unit
Electronic Component
Minimum package
4000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
TDK
Electronic Component
DEA162450BT-1298A1
Electronic Component
1
Package
SMD-3P,1.6x0.7mm
Electronic Component
RFFilter
Electronic Component
26.7dB
Electronic Component
0.018g
Electronic Component
50Ω
Electronic Component
1
Electronic Component
BM0255856015
Operating Temperature
40℃~+85℃
Electronic Component
0.91dB
Electronic Component
2.4GHz~2.5GHz
Filter Type
Electronic Component

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

DEA162450BT-1298A1 — TDK 2.45 GHz 带通滤波器产品概述

一、产品概述

DEA162450BT-1298A1 是 TDK 面向 2.4 GHz 无线通信频段设计的小型表面贴装带通滤波器,覆盖绝对带宽 2.4 GHz 至 2.5 GHz(中心频率 2.45 GHz)。器件为 50 Ω 体系匹配,典型插入损耗 0.91 dB,隔离或带外衰减可达 26.7 dB。器件封装为 SMD-3P(1.6 × 0.7 mm),工作温度范围 -40 ℃ 至 +85 ℃,适用于空间受限且需高性能射频前端滤波的方案。

二、主要电气参数

  • 频率范围:2.40 GHz – 2.50 GHz(中心 2.45 GHz)
  • 阻抗:50 Ω
  • 插入损耗:典型 0.91 dB
  • 带外衰减:26.7 dB(指定测试条件下)
  • 工作温度:-40 ℃ ~ +85 ℃

三、关键特点

  • 窄带高选择性:对 2.4 GHz ISM 频段内信号提供低损耗通带,同时抑制邻信号与干扰。
  • 小型化封装:1.6 × 0.7 mm SMD-3P,便于在紧凑无线模块或 IoT 设备中集成。
  • 工业级温度范围:适合室内外及工业环境使用。
  • 与 50 Ω 射频链路直接匹配,简化前端设计及匹配网络。

四、典型应用

  • Wi‑Fi(802.11b/g/n)、Bluetooth、ZigBee 等 2.4 GHz 无线射频前端。
  • 无线模块、蓝牙耳机、物联网终端、智能家居网关、无线传感器节点等。
  • 射频收发器输入/输出端的带内滤波与带外抑制。

五、布局与使用建议

  • 保持滤波器输入/输出端到 PCB 测试点或天线连接的传输线尽可能短,采用 50 Ω 微带或带状线设计以维持阻抗一致性。
  • 在滤波器周围保证充分接地平面,输入/输出端附近放置过孔将底层地与表层地相连以降低辐射和寄生。
  • 若系统中存在 DC、电源或静电要求,可在滤波器前后视情况加入 DC‑block 电容或防静电器件,但注意这些元件对匹配与低频响应的影响。
  • 推荐遵循厂商推荐焊接与回流工艺,避免过高温度和过长停留时间以保护陶瓷结构。

六、封装与可靠性

DEA162450BT-1298A1 为 SMD 封装,适合自动化贴装与无铅回流焊接。器件设计考虑了热循环与机械振动的可靠性,工作温度覆盖工业级范围,适合长期稳定运行的无线产品。建议在高湿或腐蚀性环境中采取防护封装或涂覆措施以延长寿命。

七、选型与采购注意

  • 该型号适用于所有需在 2.4–2.5 GHz 范围内实现低插损、高抑制的设计场景。选型时请确认测试条件(插入损耗、衰减测试带宽与测量端口配置)与实际应用一致。
  • 订购时使用完整型号 DEA162450BT-1298A1,并向供应商确认封装版本、出货形式(卷带/托盘)与合规证书(如 RoHS)。

八、工程注意事项

在样机阶段建议做回波损耗(S11)、插入损耗(S21)与群时延测试,验证滤波器在实际 PCB 布局、邻近元件与天线接入条件下的表现。如需更高带外抑制或更低插损,可与射频工程师或 TDK 支持团队讨论定制或替代型号。

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