TLV431ACDBVR vs 518 对比
详细并排对比 TLV431ACDBVR 出自 Texas Instruments 和 518 出自 Adafruit。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。
Texas Instruments
TLV431ACDBVR - 1.24V-6V Adjustable Shunt Voltage Reference | TI
TLV431ACDBVR ✓ 量产中
规格对比
| 参数 | TLV431ACDBVR | 518 |
|---|---|---|
| 品牌 | Texas Instruments | Adafruit |
| 分类 | Voltage References | Resistors |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $0.14 | $2.70 |
| Reference Type | Shunt, Adjustable (3-terminal) | — |
| Output Voltage (VREF) | 1.24 V nominal | — |
| Adjustable Output Range | 1.24 V to 6 V | — |
| Initial Accuracy (A grade) | ±1% | — |
| Maximum Cathode Current (IKA) | 15 mA | — |
| Minimum Cathode Current for Regulation | 100 µA (typical) | — |
| Typical Output Impedance | 0.25 ohm at 1 kHz | — |
| Operating Temperature Range (C grade) | 0 C to +70 C | — |
| 封装 | SOT-23-5 (DBV) 2.9 x 1.6 mm | [DATA_NEEDED: package type from LCSC detail page] |
| 安装类型 | Surface Mount | Through-hole (typical Adafruit catalog) |
| 引脚数 | 5 | — |
| Cathode-to-Anode Voltage Range | 1.24 V to 6 V | — |
| MSL 等级 | 1 (unlimited) | — |
| RoHS 状态 | Compliant | [DATA_NEEDED: rohs compliance from LCSC page] |
| Lead-Free Finish | Yes (NiPdAu) | — |
| Manufacturer | — | Adafruit Industries |
| Distributor Source | — | LCSC Electronics |
| LCSC Part ID | — | C17334505 |
| 库存状态 | — | In Stock at LCSC |
| Unit Price (qty 1) | — | $4.0848 USD as of 2026-10-11 |
| Component Category | — | Through-hole electronic component (function not identified from MPN) |
| Distribution Channel | — | LCSC Electronics primary |
| Documentation | — | LCSC product page with datasheet link |
| Target User | — | Hobbyist, educator, prototype engineer |
| Pricing Tier | — | Prototype / low-volume |
| MPN Type | — | Manufacturer catalog number (non-JEDEC) |
| 工作温度 | — | [DATA_NEEDED: operating temperature range] |