TL431ACDBZR vs TL431A Comparison
Detailed side-by-side comparison of TL431ACDBZR by Texas Instruments and TL431A 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 | TL431ACDBZR | TL431A |
|---|---|---|
| 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 | $0.08 |
| Reference Voltage (Vref) | 2.495 V typ | 2.495 V typical |
| Reference Tolerance (at 25C) | +/-1% (A grade) | — |
| Adjustable Output Voltage Range | 2.495 V to 36 V | — |
| Maximum Cathode Current | 100 mA | 100 mA |
| Minimum Cathode Current for Regulation | 1 mA | 1 mA |
| Typical Output Impedance | 0.2 ohm | — |
| Maximum Cathode Voltage | 36 V | — |
| Reference Input Current | 2 uA typ | — |
| Device Type | Adjustable precision shunt regulator / voltage reference | — |
| Temperature Range | -40C to +85C (A grade) | — |
| Package | SOT-23-3 (DBZ) | SOT-23 (DBZ), 3-pin |
| Mounting Type | Surface Mount | Surface Mount |
| MSL Level | 1 | — |
| RoHS Status | Compliant | Compliant |
| Packaging | Tape & Reel (R suffix) | — |
| Pinning Configuration | TL431 normal pinning (TL432 differs in DBZ pinout) | — |
| Topology | — | Adjustable shunt regulator / programmable reference |
| Initial Tolerance (25C) | — | 1% (A grade) |
| Adjustable Output Range | — | 2.5 V to 36 V |
| 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 |
| Number of Terminals | — | 3 |
| Replacement For | — | Zener diodes with improved performance |
| Available Grades | — | B (0.5%), A (1%), standard (2%) |
| Companion Device | — | TL432 (same specs, different pinout on DBV/DBZ/PK) |