WMSIC Electronic Components

YJX TAXM12M4QLDBET2T

ModelTAXM12M4QLDBET2T
PackageSMD5032-4P
BrandYJX
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
YJX TAXM12M4QLDBET2T
Type
YJX
Minimum package
1000 编带

Technical parameters

Electronic Component
Electronic Component
Electronic Component
YJX
Electronic Component
TAXM12M4QLDBET2T
Electronic Component
1
Package
SMD5032-4P
Electronic Component
Passive Crystal Oscillator
Electronic Component
0.53g
Frequency
12MHz
Electronic Component
1
Electronic Component
BM0264498425
Operating Temperature
20℃~+70℃
Electronic Component
±20ppm
Crystal Oscillator Type
SMDCrystal Oscillator
Load Capacitor
20pF
Frequency
±30ppm
Electronic Component
Electronic Component

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

TAXM12M4QLDBET2T无源贴片晶振产品概述

一、产品基本信息

TAXM12M4QLDBET2T是雅晶鑫(YJX)推出的无源贴片晶振,型号命名中“12M”明确标称频率,“SMD5032_4P”对应封装规格——5.0×3.2mm贴片式4引脚封装(行业通用尺寸代码)。作为无源晶振,该产品无需外部电源驱动,仅需匹配负载电容即可与振荡电路配合产生稳定时钟,电路设计简单且可靠性较高。

二、核心参数详细解析

1. 频率与精度特性

  • 标称频率:12MHz,是电子设备中应用最广泛的时钟频率之一,可直接为MCU、通信模块提供基准,或分频得到72MHz、48MHz等系统常用时钟。
  • 常温频差:±20ppm,即常温(25℃)下频率偏差不超20×10⁻⁶,换算为实际波动±240Hz(12MHz×20ppm),满足多数消费电子、工业控制的时钟需求。
  • 频率稳定度:±30ppm,涵盖温度、电压波动等环境变化的总偏差,结合-20℃~+70℃温区,可有效抵消温漂,保证时钟一致性。

2. 负载与电气特性

  • 负载电容:20pF,无源晶振需与电路并联电容匹配振荡。设计时需考虑PCB寄生电容(25pF),实际并联陶瓷电容可取1518pF(总负载接近20pF)。
  • 等效串联电阻(ESR):100Ω,属于无源晶振常规范围,适配STM32、51系列等主流MCU的OSC引脚驱动能力,无需额外驱动电路。

3. 环境与可靠性特性

  • 工作温度:-20℃~+70℃,覆盖常规工业现场(车间、控制柜)及消费电子(智能穿戴、智能家居)的环境波动。
  • 封装特性:SMD5032-4P,贴片4引脚比2引脚抗振动能力更强,引脚布局利于高密度PCB布线,适合小型设备。

三、典型应用场景

1. MCU时钟基准

12MHz是STM32F1系列、51系列等MCU的常用外部晶振,该晶振可直接作为HSE(高速外部时钟),分频后为系统提供稳定核心时钟,满足工业控制、消费电子的运算需求。

2. 通信模块辅助时钟

蓝牙4.0/5.0、低速率WiFi模块(如ESP8266部分应用)需12MHz辅助时钟,其小尺寸(5.0×3.2mm)及稳定度适配模块紧凑设计,保证通信时序精度。

3. 消费电子便携设备

智能手环、蓝牙耳机、智能家居遥控器等便携设备需小尺寸晶振,SMD5032封装节省PCB空间,-20℃~+70℃温区满足日常环境变化(室内外温差)。

4. 小型工业控制模块

小型PLC、传感器采集模块、电机控制单元等工业设备,需可靠时钟基准,该晶振无源设计降低电路复杂度,同时满足工业现场温度波动。

四、产品优势与设计注意事项

1. 核心优势

  • 成本可控:无源设计无需温补电路,参数适配中低端应用,性价比高;
  • 小尺寸适配:SMD5032封装适合高密度PCB,满足便携及小型设备需求;
  • 可靠性高:无活动部件,寿命长,抗干扰能力优于部分有源晶振。

2. 设计注意事项

  • 负载电容匹配:必须并联陶瓷电容(需考虑PCB寄生电容),避免振荡不稳定;
  • 驱动能力确认:需确认MCU OSC引脚驱动电流覆盖100Ω ESR需求(多数MCU可满足);
  • 温区限制:极端温区(如-40℃~+85℃)需换宽温晶振,该产品仅适配常规温区。

五、总结

TAXM12M4QLDBET2T是雅晶鑫针对中低端电子设备推出的无源贴片晶振,以12MHz为核心频率,结合SMD5032-4P小封装、±20ppm常温频差及-20℃~+70℃温区,可广泛应用于MCU时钟、通信模块、消费电子及小型工业控制场景。其无源设计简化电路、成本可控,是多数常规设备时钟基准的可靠选择。

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