TL431QDBZR vs TL431BQDBZR 对比
详细并排对比 TL431QDBZR 出自 Texas Instruments 和 TL431BQDBZR 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 | TL431QDBZR | TL431BQDBZR |
|---|---|---|
| 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） | $0.09 | $0.07 |
| Product Type | Adjustable Precision Shunt Voltage Reference | — |
| Reference Voltage (Vref) | 2.495 V | 2.495 V |
| Output Tolerance | ±2.2% (Q grade, 25C) | — |
| Adjustable Output Range | Vref (2.495 V) to 36 V | — |
| Maximum Cathode Current | 100 mA | 100 mA |
| Maximum Cathode Voltage | 36 V | — |
| Minimum Cathode Current for Regulation | 1 mA (typical) | 1 mA (typical) |
| Dynamic Output Impedance | 0.22 ohm (typical) | — |
| 工作温度范围 | -40C to +125C (Q grade) | — |
| 封装 | SOT-23-3 (DBZ, TO-236AB) | SOT-23 (DBZ), 3-pin |
| 安装类型 | Surface Mount | Surface Mount |
| Package Dimensions | 2.9 mm x 1.3 mm x 1 mm body | — |
| Terminal Pitch | 1.9 mm | — |
| Reference Input Current | [DATA_NEEDED: Reference input current] | — |
| RoHS 状态 | [DATA_NEEDED: RoHS status] | Compliant |
| Temperature Stability | [DATA_NEEDED: Temperature drift] | — |
| Reference Voltage Tolerance | — | ±0.5% (B grade, at 25 C) |
| Adjustable Output Voltage Range | — | 2.495 V to 36 V |
| Device Type | — | Adjustable Precision Shunt Regulator / Shunt Voltage Reference |
| Temperature Grade | — | Q grade, -40 C to +125 C |
| 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) |
| 引脚数 | — | 3 |
| Packaging | — | Tape & Reel (T/R) |
| Family Alternatives (grades) | — | B = 0.5%, A = 1%, standard = 2% initial tolerance |