TL431A vs TL431BCDBZR Comparação
Comparação detalhada lado a lado de TL431A por Texas Instruments e TL431BCDBZR por Texas Instruments. Compare especificações principais, parâmetros elétricos, encapsulamento, status do ciclo de vida, preços e disponibilidade para determinar o melhor componente para os requisitos do seu projeto.
Comparação de especificações
| Parâmetro | TL431A | TL431BCDBZR |
|---|---|---|
| Marca | Texas Instruments | Texas Instruments |
| Categoria | Voltage Regulators | Voltage Regulators |
| Status do ciclo de vida | Ativo | Ativo |
| Status do estoque | In Stock | In Stock |
| Preço unitário (USD) | $0,08 | $0,04 |
| Topologia | Adjustable shunt regulator / programmable reference | — |
| Reference Voltage (Vref) | 2.495 V typical | — |
| Initial Tolerance (25C) | 1% (A grade) | — |
| Adjustable Output Range | 2.5 V to 36 V | — |
| Minimum Cathode Current for Regulation | 1 mA | 1 mA (typ) |
| Maximum Cathode Current | 100 mA | — |
| 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 | — |
| Encapsulamento | SOT-23 (DBZ), 3-pin | SOT-23-3 (DBZ) |
| Tipo de montagem | Surface Mount | Surface Mount |
| Number of Terminals | 3 | — |
| Replacement For | Zener diodes with improved performance | — |
| Status RoHS | Compliant | Compliant |
| Available Grades | B (0.5%), A (1%), standard (2%) | — |
| Companion Device | TL432 (same specs, different pinout on DBV/DBZ/PK) | — |
| Reference Voltage (VREF) | — | 2.495 V |
| Initial Reference Tolerance | — | ±0.5% (B grade, at 25°C) |
| Adjustable Output Voltage Range | — | 2.495 V to 36 V |
| Maximum Cathode Voltage | — | 36 V |
| Cathode Current Range | — | 1 mA to 100 mA |
| Typical Output Impedance | — | 0.2 Ω |
| Dynamic Impedance (typ) | — | 0.05 Ω (1 mA to 100 mA) |
| Temperature Coefficient (typ) | — | Approximately 92 ppm/°C |
| Faixa de temperatura de operação | — | 0°C to +70°C (C grade) |
| Architecture | — | Shunt regulator with bandgap error amplifier |
| Family Grades Available | — | 0.5% (B), 1% (A), 2% (standard) |
| Status do ciclo de vida | — | Active |