WMSIC Electronic Components

Nexperia TDZ6V2J,115 TDZ6V2J

ModelTDZ6V2J,115
PackageSOD-323F
BrandNexperia
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 Date code within 2 years

Available for RFQ

Technical data

Product details

20 specifications

Core information

Product name
Nexperia TDZ6V2J, 115
Type
NEXPERIA
Unit
Electronic Component
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
NEXPERIA
Electronic Component
TDZ6V2J,115
Electronic Component
1
Package
SOD-323F
Electronic Component
Zener Diode
Electronic Component
0.028g
Electronic Component
1
(Zzt)
10Ω
Electronic Component
BM0058430765
Diode
1
Current(Ir)
3uA@4V
Power Dissipation(Pd)
500mW
Electronic Component
6.08V~6.32V
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.

TDZ6V2J,115 产品概述

一、产品简介

TDZ6V2J,115 是 Nexperia(安世)出品的一款独立式单体齐纳(二极管)稳压器,采用 SOD-323F 小型贴片封装。其标称稳压值为 6.2V,面向空间受限、功耗较低的电压基准与过压/钳位保护应用。器件结构简单、响应速度快,适合用作分流式稳压、基准源及低电流过压吸收元件。

二、主要参数(关键数据)

  • 标称稳压值(Vz):6.2V
  • 稳压值范围:6.08V ~ 6.32V(出厂分选/规格范围)
  • 反向电流(Ir):3 μA @ 4V(在 4V 反向偏压下的漏电流)
  • 耗散功率(Pd):500 mW(器件允许的最大稳态耗散)
  • 动态阻抗(Zzt):10 Ω(在测试电流下的交流阻抗)
  • 封装:SOD-323F(小封装、SMD)

这些参数用于估算最大允许电流、稳压精度和在实际电路中的电压波动。

三、性能解读与设计计算

  • 最大稳态电流(理论值):I_max ≈ Pd / Vz = 0.5 W / 6.2 V ≈ 80.6 mA。此值为在理想散热条件下的理论上限,实际使用必须考虑封装散热与环境温度的降额。
  • 工作点选择:建议实际持续工作电流远低于理论上限(例如 ≤30%~40% Pd),以保证稳定性和寿命。在 SOD-323F 的热限制下,常见建议工作电流为 10 mA~30 mA 范围更为稳妥。
  • 稳压精度估算:当电流变化 ΔI 时,电压变化约为 ΔV ≈ Zzt × ΔI。例如 Zzt=10 Ω 时,ΔI=10 mA 会引起约 0.1 V 的电压漂移,说明在需要更好稳压精度时应控制电流波动或并联小功率运放/参考源。
  • 低电流特性:Ir=3 μA @ 4V 表明在未达到击穿区前漏电流较小,有利于低功耗或电池供电场合的待机态漏电控制。

示例:若电源 Vin=12V,希望通过 TDZ6V2J 得到大约 6.2V 输出并取 Iz=10 mA,则限流电阻 R=(12−6.2)/0.01 ≈ 580 Ω,电阻功耗 P_R=(12−6.2)×0.01 ≈ 58 mW。此时二极管功耗约 62 mW(6.2V×10 mA),远低于额定 Pd。

四、典型应用场景

  1. 低功耗基准/偏置电路:为小信号放大器、电平检测电路提供稳定的基准电压。
  2. 过压/钳位保护:在输入或敏感节点上限制电压,吸收瞬态或小幅过压。
  3. 信号整形与波形钳位:用于保护后级电路或限定信号摆幅。
  4. 便携设备与传感器系统:利用其小尺寸与低漏电满足空间和功耗约束。

五、封装与装配建议

  • SOD-323F 为小型贴片封装,热阻较大。布局时尽量在二极管下方和周围留出铜箔散热区(铜箔铺铜或过孔连地),并采用短、宽的走线以降低热阻。
  • 焊接工艺遵循无铅回流标准和厂家推荐曲线,避免长时间高温超出推荐峰值,防止封装损伤。
  • 贴装时注意极性标识,避免反向错误。小型封装易受机械应力影响,取放和回流后检验焊点质量。
  • 建议遵循静电防护(ESD)规范,防止器件在装配过程中受静电损害。

六、使用注意与验证要点

  • 热设计与降额:在长期工作场景下,按照系统环境温度、PCB 散热能力对 Pd 做降额;尽量将实际工作功耗控制在 Pd 的 30% 左右以提高可靠性。
  • 初样验证:测量在目标工作电流下的 Vz、短期热漂与长期漂移;检验漏电流 Ir(在 4V 或更低反向测量点)是否满足系统要求。
  • 抑制噪声:齐纳工作时会产生一定噪声,必要时在二极管并联电容(低 ESR)以改善瞬态响应与纹波抑制,但要避免在高频时引入不稳定。
  • 极端条件:对高温、短路或冲击条件下的保护应由外部限流元件(电阻、PTC、熔丝)或更高能量的抑制器件配合实现。

总结:TDZ6V2J,115 以其小尺寸、6.2V 稳压特性和较低的漏电,适合多数低功耗、空间受限场合作为分流式稳压或钳位元件。合理选定工作电流并进行热管理是保证长寿命与稳压性能的关键。

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