TL431BQDBZR vs TL431QDBZR Comparison
Detailed side-by-side comparison of TL431BQDBZR by Texas Instruments and TL431QDBZR 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 | TL431BQDBZR | TL431QDBZR |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Category | Voltage Regulators | Voltage Regulators |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.07 | $0.09 |
| Reference Voltage (Vref) | 2.495 V | 2.495 V |
| Reference Voltage Tolerance | ±0.5% (B grade, at 25 C) | — |
| Adjustable Output Voltage Range | 2.495 V to 36 V | — |
| Maximum Cathode Current | 100 mA | 100 mA |
| Minimum Cathode Current for Regulation | 1 mA (typical) | 1 mA (typical) |
| Device Type | Adjustable Precision Shunt Regulator / Shunt Voltage Reference | — |
| Temperature Grade | Q grade, -40 C to +125 C | — |
| Package | SOT-23 (DBZ), 3-pin | SOT-23-3 (DBZ, TO-236AB) |
| Mounting Type | Surface Mount | Surface Mount |
| 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 | — |
| RoHS Status | Compliant | [DATA_NEEDED: RoHS status] |
| Packaging | Tape & Reel (T/R) | — |
| Family Alternatives (grades) | B = 0.5%, A = 1%, standard = 2% initial tolerance | — |
| Product Type | — | Adjustable Precision Shunt Voltage Reference |
| Output Tolerance | — | ±2.2% (Q grade, 25C) |
| Adjustable Output Range | — | Vref (2.495 V) to 36 V |
| Maximum Cathode Voltage | — | 36 V |
| Dynamic Output Impedance | — | 0.22 ohm (typical) |
| Operating Temperature Range | — | -40C to +125C (Q grade) |
| 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] |
| Temperature Stability | — | [DATA_NEEDED: Temperature drift] |