TL431BQDBZR vs TL431AQDBZR 对比
详细并排对比 TL431BQDBZR 出自 Texas Instruments 和 TL431AQDBZR 出自 Texas Instruments。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 | TL431BQDBZR | TL431AQDBZR |
|---|---|---|
| 品牌 | Texas Instruments | Texas Instruments |
| 分类 | Voltage Regulators | Voltage Regulators |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $0.07 | $0.09 |
| Reference Voltage (Vref) | 2.495 V | 2.495 V |
| Reference Voltage Tolerance | ±0.5% (B grade, at 25 C) | — |
| Adjustable Output Voltage Range | 2.495 V to 36 V | — |
| Maximum Cathode Current | 100 mA | 100 mA |
| Minimum Cathode Current for Regulation | 1 mA (typical) | 1 mA |
| Device Type | Adjustable Precision Shunt Regulator / Shunt Voltage Reference | — |
| Temperature Grade | Q grade, -40 C to +125 C | — |
| 封装 | SOT-23 (DBZ), 3-pin | SOT-23-3 (DBZ) |
| 安装类型 | Surface Mount | Surface Mount |
| Typical Output Noise | 0.2 uVrms (per TI adjustable precision shunt regulator datasheet) | — |
| Minimum Output Capacitance Stability | [DATA_NEEDED: stable output capacitance range] | — |
| Automotive Qualification | Yes (Q grade; TL431BQDBZRQ1 variant available) | AEC-Q100 qualified (Q grade) |
| 引脚数 | 3 | — |
| RoHS 状态 | Compliant | Compliant |
| Packaging | Tape & Reel (T/R) | — |
| Family Alternatives (grades) | B = 0.5%, A = 1%, standard = 2% initial tolerance | — |
| Reference Type | — | Adjustable shunt voltage reference |
| Initial Accuracy | — | +/-1% at 25C |
| Adjustable Output Range | — | Vref (2.495 V) to 36 V |
| Maximum Input Voltage (Cathode-Anode) | — | 36 V |
| 工作温度范围 | — | -40C to +125C |
| 输出噪声 | — | [DATA_NEEDED: output noise] |
| Dynamic Output Impedance | — | [DATA_NEEDED: dynamic output impedance] |
| Temperature Drift | — | [DATA_NEEDED: temperature drift] |
| Moisture Sensitivity Level | — | [DATA_NEEDED: MSL level] |