518 vs TLV431ACDBVR 对比
详细并排对比 518 出自 Adafruit 和 TLV431ACDBVR 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。
Texas Instruments
TLV431ACDBVR - 1.24V-6V Adjustable Shunt Voltage Reference | TI
TLV431ACDBVR ✓ 量产中规格对比
| 参数 | 518 | TLV431ACDBVR |
|---|---|---|
| 品牌 | Adafruit | Texas Instruments |
| 分类 | Resistors | Voltage References |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $2.70 | $0.14 |
| 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) | — |
| 安装类型 | Through-hole (typical Adafruit catalog) | Surface Mount |
| 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) | — |
| RoHS 状态 | [DATA_NEEDED: rohs compliance from LCSC page] | Compliant |
| 工作温度 | [DATA_NEEDED: operating temperature range] | — |
| 封装 | [DATA_NEEDED: package type from LCSC detail page] | SOT-23-5 (DBV) 2.9 x 1.6 mm |
| 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 |
| 引脚数 | — | 5 |
| Cathode-to-Anode Voltage Range | — | 1.24 V to 6 V |
| MSL 等级 | — | 1 (unlimited) |
| Lead-Free Finish | — | Yes (NiPdAu) |