TL431BCDBZR vs TL431BQDBZR Comparison
Detailed side-by-side comparison of TL431BCDBZR by Texas Instruments and TL431BQDBZR by Texas Instruments. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Specification Comparison
| Parameter | TL431BCDBZR | TL431BQDBZR |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Category | Voltage Regulators | Voltage Regulators |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.04 | $0.07 |
| 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 | 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 | — |
| Minimum Cathode Current for Regulation | 1 mA (typ) | 1 mA (typical) |
| Operating Temperature Range | 0°C to +70°C (C grade) | — |
| Package | SOT-23-3 (DBZ) | SOT-23 (DBZ), 3-pin |
| Mounting Type | Surface Mount | Surface Mount |
| Architecture | Shunt regulator with bandgap error amplifier | — |
| RoHS Status | Compliant | Compliant |
| Family Grades Available | 0.5% (B), 1% (A), 2% (standard) | — |
| Lifecycle Status | Active | — |
| Reference Voltage (Vref) | — | 2.495 V |
| Reference Voltage Tolerance | — | ±0.5% (B grade, at 25 C) |
| Maximum Cathode Current | — | 100 mA |
| 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) |
| Number of Pins | — | 3 |
| Packaging | — | Tape & Reel (T/R) |
| Family Alternatives (grades) | — | B = 0.5%, A = 1%, standard = 2% initial tolerance |