TL431AQDBZR vs TL431BQDBZR Comparison
Detailed side-by-side comparison of TL431AQDBZR 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 | TL431AQDBZR | 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 |
| Reference Type | Adjustable shunt voltage reference | — |
| Reference Voltage (Vref) | 2.495 V | 2.495 V |
| Initial Accuracy | +/-1% at 25C | — |
| Adjustable Output Range | Vref (2.495 V) to 36 V | — |
| Maximum Cathode Current | 100 mA | 100 mA |
| Maximum Input Voltage (Cathode-Anode) | 36 V | — |
| Minimum Cathode Current for Regulation | 1 mA | 1 mA (typical) |
| Operating Temperature Range | -40C to +125C | — |
| Automotive Qualification | AEC-Q100 qualified (Q grade) | Yes (Q grade; TL431BQDBZRQ1 variant available) |
| Package | SOT-23-3 (DBZ) | SOT-23 (DBZ), 3-pin |
| Mounting Type | Surface Mount | Surface Mount |
| Output Noise | [DATA_NEEDED: output noise] | — |
| Dynamic Output Impedance | [DATA_NEEDED: dynamic output impedance] | — |
| Temperature Drift | [DATA_NEEDED: temperature drift] | — |
| RoHS Status | Compliant | Compliant |
| Moisture Sensitivity Level | [DATA_NEEDED: MSL level] | — |
| 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] |
| Number of Pins | — | 3 |
| Packaging | — | Tape & Reel (T/R) |
| Family Alternatives (grades) | — | B = 0.5%, A = 1%, standard = 2% initial tolerance |