TL431QDBZR vs TL431BQDBZR Comparison
Detailed side-by-side comparison of TL431QDBZR 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 | TL431QDBZR | TL431BQDBZR |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Category | Voltage Regulators | Voltage Regulators |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.09 | $0.07 |
| Product Type | Adjustable Precision Shunt Voltage Reference | — |
| Reference Voltage (Vref) | 2.495 V | 2.495 V |
| Output Tolerance | ±2.2% (Q grade, 25C) | — |
| Adjustable Output Range | Vref (2.495 V) to 36 V | — |
| Maximum Cathode Current | 100 mA | 100 mA |
| Maximum Cathode Voltage | 36 V | — |
| Minimum Cathode Current for Regulation | 1 mA (typical) | 1 mA (typical) |
| Dynamic Output Impedance | 0.22 ohm (typical) | — |
| Operating Temperature Range | -40C to +125C (Q grade) | — |
| Package | SOT-23-3 (DBZ, TO-236AB) | SOT-23 (DBZ), 3-pin |
| Mounting Type | Surface Mount | Surface Mount |
| Package Dimensions | 2.9 mm x 1.3 mm x 1 mm body | — |
| Terminal Pitch | 1.9 mm | — |
| Reference Input Current | [DATA_NEEDED: Reference input current] | — |
| RoHS Status | [DATA_NEEDED: RoHS status] | Compliant |
| Temperature Stability | [DATA_NEEDED: Temperature drift] | — |
| Reference Voltage Tolerance | — | ±0.5% (B grade, at 25 C) |
| Adjustable Output Voltage Range | — | 2.495 V to 36 V |
| 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 |