WMSIC Electronic Components

PANJIT DL4760A_R2_10001

ModelDL4760A_R2_10001
PackageDL-41
BrandPANJIT
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 24+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
PANJIT DL4760A_R2_10001
Type
PANJIT
Minimum package
5000 盒

Technical parameters

Electronic Component
Electronic Component
Electronic Component
PANJIT
Electronic Component
DL4760A_R2_10001
Electronic Component
1
Package
DL-41
Electronic Component
Zener Diode
Electronic Component
0.16g
Electronic Component
1
(Zzk)
2kΩ
(Zzt)
150Ω
Electronic Component
BM0264356036
Diode
1
Power Dissipation(Pd)
1W
Electronic Component
64.6V~71.4V
Electronic Component
65℃~+200℃

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

DL4760A_R2_10001(DL-41)产品概述

DL4760A_R2_10001 是 PANJIT(强茂)生产的一款高压稳压二极管,采用 DL-41(轴向)封装,设计用于作为稳定电压源或过压钳位元件在中高电压电路中的应用。该器件以 68V 标称稳压值为核心规格,在宽温度范围与轴向封装形式下为电源参考、偏置网络和保护电路提供可靠的恒压特性。

一、主要特性

  • 单个独立式稳压二极管,型号:DL4760A_R2_10001(DL-41)。
  • 标称稳压值:68V;允许稳压值范围:64.6V ~ 71.4V(器件批次与测试条件相关)。
  • 低反向漏电流:Ir = 500 nA(在 51.7V 时测得),适用于低静态泄漏要求的应用环境。
  • 最大耗散功率 Pd = 1W(在指定散热条件下),适合小功率稳压与钳位用途。
  • 动态阻抗:Zzt = 150 Ω(测试电流附近的小信号阻抗),Zzk = 2 kΩ(接近击穿区“膝”点处的阻抗),表示在不同偏流条件下电压稳定性的差异。
  • 工作结温范围宽:-65 ℃ ~ +200 ℃,适合苛刻温度环境与军工/工业等级应用需求。
  • 轴向 DL-41 封装,便于穿孔板或引线焊接安装。

二、典型应用场景

  • 作为 68V 精密基准源或参考电压(在适当的偏流范围内)。
  • 中高压电源的并联稳压(分流稳压)与偏置电路。
  • 过压钳位或峰值保护,保护下游电路免受短时高压冲击。
  • 测试与测量设备中作为电压校准或标定参考。
  • 工业与军工电子设备中需宽温稳定性场合。

三、关键电气参数解读

  • 稳压值范围(64.6V ~ 71.4V):表示器件在生产与测试公差下的允许工作电压区间,实际稳压电压会随工作电流与温度略微变化。
  • 反向电流 Ir(500 nA @ 51.7V):在较低偏压下漏电流非常小,有利于降低静态耗电与保持高阻抗输入条件。
  • 耗散功率 Pd(1W):在无额外散热措施下轴向封装的最大允许耗散功率,使用时应确保结温不超过规范上限,通过降额或改善散热来保证长期可靠性。
  • 动态阻抗 Zzt(150 Ω)与 Zzk(2 kΩ):Zzt 代表在测试/工作电流附近器件对电流变化的响应(电压变化/电流变化),数值越小稳压效果越好;Zzk 较大表明在非常低电流(接近击穿膝点)区域稳压效果变差,建议在足够偏流下工作以获得更稳定电压。

四、封装与热管理

  • DL-41 轴向封装,适合波峰或手工焊接安装。轴向引线便于在通孔 PCB、面包板或原型板中使用。
  • 虽然耗散功率标称为 1W,但实际使用中应考虑环境温度与 PCB 散热能力。长时间工作接近最大 Pd 时应采取散热或将工作电流降额,以避免结温过高导致失效。

五、使用建议与设计注意事项

  • 工作电流选择:稳压二极管在其测试电流附近有较佳的稳压特性;避免在极低电流(靠近 Zzk 指标所示区域)下工作,以免稳压不良。设计中常通过串联限流电阻与并联负载来确保在额定偏流范围内稳定工作。
  • 串联限流电阻计算(示例):若外部电源为 Vs,希望得到 Vz ≈ 68V,并设定稳压器件电流 Iz,则 R = (Vs - 68V) / Iz。示例仅为计算方法说明,具体 Iz 应按实际负载与器件允许耗散选择。
  • 考虑瞬态与冲击电流:在有脉冲或浪涌的应用中,需确保瞬态电流不会超过器件的峰值能力,必要时添加限流器件或吸收网络。
  • 温漂与精度:稳压值会随结温变化,设计时需评估温度系数对系统精度的影响,必要时采用温度补偿或更高精度参考源。
  • 焊接与安装:在焊接过程中应遵循厂商推荐的温度与时间限值,避免因过热引起封装或结区损伤。

六、可靠性与环境适应性

  • 宽工作结温(-65 ℃ 至 +200 ℃)使该型稳压二极管适于高温、严苛环境及长期可靠性要求较高的应用场合。
  • 在使用前建议参考厂商原理图、最大额定值曲线与应力测试数据,进行必要的环境与寿命评估。

总结:DL4760A_R2_10001(DL-41)是一款面向中高压稳压与保护场景的轴向稳压二极管,凭借 68V 的标称电压、低漏电流与宽温工作范围,适合工业、测量及高温环境的稳压与钳位应用。设计时应关注动态阻抗、工作电流与热管理以确保最佳性能与长期可靠性。

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