TL431ACDBZR vs TL431A 对比
详细并排对比 TL431ACDBZR 出自 Texas Instruments 和 TL431A 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 | TL431ACDBZR | TL431A |
|---|---|---|
| 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 | $0.08 |
| Reference Voltage (Vref) | 2.495 V typ | 2.495 V typical |
| Reference Tolerance (at 25C) | +/-1% (A grade) | — |
| Adjustable Output Voltage Range | 2.495 V to 36 V | — |
| Maximum Cathode Current | 100 mA | 100 mA |
| Minimum Cathode Current for Regulation | 1 mA | 1 mA |
| Typical Output Impedance | 0.2 ohm | — |
| Maximum Cathode Voltage | 36 V | — |
| Reference Input Current | 2 uA typ | — |
| Device Type | Adjustable precision shunt regulator / voltage reference | — |
| Temperature Range | -40C to +85C (A grade) | — |
| 封装 | SOT-23-3 (DBZ) | SOT-23 (DBZ), 3-pin |
| 安装类型 | Surface Mount | Surface Mount |
| MSL 等级 | 1 | — |
| RoHS 状态 | Compliant | Compliant |
| Packaging | Tape & Reel (R suffix) | — |
| Pinning Configuration | TL431 normal pinning (TL432 differs in DBZ pinout) | — |
| 拓扑 | — | Adjustable shunt regulator / programmable reference |
| Initial Tolerance (25C) | — | 1% (A grade) |
| Adjustable Output Range | — | 2.5 V to 36 V |
| Output Impedance | — | 0.2 ohm typical |
| Maximum Input Voltage (cathode) | — | 36 V |
| Turn-on Characteristics | — | Sharp, active output circuitry |
| Temperature Stability | — | Specified over automotive, commercial, and military temperature ranges |
| Number of Terminals | — | 3 |
| Replacement For | — | Zener diodes with improved performance |
| Available Grades | — | B (0.5%), A (1%), standard (2%) |
| Companion Device | — | TL432 (same specs, different pinout on DBV/DBZ/PK) |