BFU520 vs BFU520A 对比
详细并排对比 BFU520 出自 NXP Semiconductors 和 BFU520A 出自 NXP Semiconductors。对比关键规格、电气参数、封装、生命周期状态、价格和供货情况，以确定最适合您设计需求的元器件。
规格对比
| 参数 | BFU520 | BFU520A |
|---|---|---|
| 品牌 | NXP Semiconductors | NXP Semiconductors |
| 分类 | Transistors | Transistors |
| 生命周期状态 | 停产 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $0.24 | $0.35 |
| Polarity | NPN | NPN |
| Technology | Silicon wideband RF bipolar transistor | — |
| 封装 | SOT143B (4-pin, dual-emitter, plastic) | SOT23 (TO-236-3), 3-pin plastic |
| 集电极-发射极电压（Vceo） | 12 V | — |
| Collector Current (IC max) | 30 mA | — |
| Total Power Dissipation | 450 mW | — |
| Application Frequency Range | up to 2 GHz | — |
| Product Family | BFU5 series | BFU5 family |
| 安装类型 | Surface Mount | Surface Mount |
| Noise Performance | Optimized for low-noise applications | — |
| 过渡频率（ft） | [DATA_NEEDED: transition frequency] | — |
| DC Current Gain (hFE) | [DATA_NEEDED: hFE range] | — |
| Noise Figure (NF) | [DATA_NEEDED: noise figure at bias] | — |
| 工作温度范围 | [DATA_NEEDED: operating temperature] | [DATA_NEEDED: operating temperature range] |
| RoHS 状态 | [DATA_NEEDED: RoHS status] | [DATA_NEEDED: RoHS status] |
| 晶体管类型 | — | NPN silicon wideband RF transistor |
| Maximum Operating Frequency | — | up to 2 GHz |
| Qualification | — | AEC-Q101 qualified |
| Application Class | — | High speed, low noise; small signal to medium power |
| 集电极-发射极电压（Vceo） | — | [DATA_NEEDED: VCEO] |
| 集电极电流（Ic） | — | [DATA_NEEDED: IC max] |
| 过渡频率（ft） | — | [DATA_NEEDED: fT] |
| Noise Figure NF | — | [DATA_NEEDED: noise figure] |
| Gain (S21/Gp) | — | [DATA_NEEDED: gain] |
| 功耗（Ptot） | — | [DATA_NEEDED: Ptot] |