Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
BLUE ROCKET 2N2222A
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- BLUE ROCKET 2N2222A
- Type
- BLUE ROCKET
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- BLUE ROCKET
- Electronic Component
- 2N2222A
- Electronic Component
- 1
- Package
- TO-92-3
- Electronic Component
- 1 NPN
- Electronic Component
- Transistor(BJT)
- Electronic Component
- 0.307g
- Electronic Component
- 1
- Electronic Component
- BM0227237023
- Transistor Type
- NPN
- Frequency(f T)
- 300MHz
- Power Dissipation(Pd)
- 625mW
- Electronic Component
- Electronic Component
- Electronic Component
- 3000
- Collector Current(Ic)
- 600mA
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
2N2222A 产品概述（BLUE ROCKET，TO-92-3）
一、概述
2N2222A 是一种通用 NPN 小信号/开关型晶体管，BLUE ROCKET 版本以 TO-92-3 塑料封装提供单只器件。该器件适用于开关、驱动、放大与高频脉冲应用，性能稳定，易于在 PCB 上安装与替换。
二、电气特性（主要参数）
- 晶体管类型：NPN
- 集电极电流 Ic：最大 600mA（短时或受限条件下）
- 集射极击穿电压 Vceo：40V
- 功耗 Pd：625mW（封装热限制，注意散热与降额）
- 直流电流增益 hFE：约 100 @ Ic=150mA, Vce=10V（线性区）
- 特征频率 fT：300MHz（适合高速开关与小信号放大）
- 集电极截止电流 Icbo：约 10nA（低漏电流）
- 集射极饱和电压 VCE(sat)：约 300mV @ Ic=150mA（基极驱动充分）；同样数据在 15mA 条件下更优
- 射基极击穿电压 Vebo：6V
- 数量：1 个 NPN 器件
三、典型应用
- 小信号放大器（低功率音频、传感器前端）
- 开关驱动（继电器、小型电机、低功率负载）
- LED 驱动、指示灯电路
- TTL/CMOS 逻辑电平接口与缓冲
- 高频脉冲与脉冲整形（受封装与功耗限制）
四、使用与设计建议
- 饱和开关设计时推荐采用强迫增益（βforced）约 10–20，以保证 VCE(sat) 最低。示例：若需 Ic=150mA，取 βforced=10，则 Ib≈15mA。若驱动电压为 5V，则基极限流电阻约 Rb=(5V−0.7V)/15mA ≈ 287Ω，可选 220–330Ω。
- 考虑 Pd=625mW 的限制，长时间工作应避免在高 VCE 与高 Ic 同时出现的工况。必要时增加散热或选用功率更大的封装。
- 反向基-射极电压（Vebo=6V）较低，避免在电路中施加较大反向基极电压以防击穿。
五、封装与热管理
- TO-92-3 小型直插封装，便于面包板与低成本 PCB 使用。
- 在连续高电流或高 VCE 条件下需进行功耗降额：在室温下实际可耗散功率受 PCB 和环境影响明显；建议在设计时留有裕量并通过散热铜箔或外部散热器改善散热。
六、测试与注意事项
- 在电路调试阶段测量 VCE(sat)、Ib、Ic 以验证驱动能力与饱和状态。
- 注意静电防护（ESD），存储与焊接过程避免过热。
- 避免基极反向电压与长时间处于高温、高功耗工况。
七、选型与替代
2N2222A 为行业常见型号，BLUE ROCKET 提供通用替代版本。若需要更高功耗或更低饱和压，可考虑更大封装或专用功率晶体管；若追求更高频率或更低噪声，可参考不同工艺的高速小信号管。
如需基于具体电路的基极电阻计算、开关时序或并联/级联方案，请提供工作电压、负载电流与驱动电压，我可给出更精确的设计建议。
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.
