TL431 — Overview
TL431 by Texas Instruments is a high-volume electronic component supplied by Shenzhen Jingteng Electronics (JTDZ Tech). Adjustable precision shunt voltage reference, a standard part in SMPS feedback loops. We keep this part in stock for OEMs, ODMs and EMS providers in India, Vietnam and the Middle East.
Key Specifications
| Part Number | TL431 |
| Manufacturer | Texas Instruments |
| Category | Power Management Chips |
| Package | SOT-23-3 |
| Pin Count | 3 |
| Reference Voltage | 2.495 V ±0.5 % |
| Output Voltage | 2.5 V - 36 V adjustable |
| Cathode Current | 1 mA - 100 mA |
| Sink Current | 1 mA - 100 mA |
| Dynamic Impedance | 0.2 Ω typical |
| Topology | Adjustable shunt regulator |
| Package | SOT-23-3 / TO-92 |
| Operating Temp | -40 °C to +85 °C |
| Date Code | Recent date code, factory |
| Stock Status | In stock — ships within 24 hours |
| Description | Power Management Chips, -40 °C to +85 °C, SOT-23-3 package. |
Typical Applications
Switching power supply feedback, voltage monitors, precision references, battery chargers.
Why Buy TL431 from JTDZ Tech
- Verified and new parts, traceable date code, Certificate of Conformance available
- MOQ 1 pc, tier pricing for volume orders
- X-ray and visual inspection, third-party lab test (White Horse / GDS) supported before shipment
- Quote within 2 business hours, export shipping to India, Vietnam, the Middle East and worldwide
Genuine original parts guaranteed — traceable lot & date code, X-ray / visual inspection and third-party test supported before shipment.
TL431 — Texas Instruments adjustable precision shunt voltage reference, a standard part in SMPS feedback loops
The TL431 is listed by Jingteng Electronics as a Texas Instruments power-management IC in the Power Management Chips category. We supply it as a genuine, original part sourced through verified channels, suitable for buyers who need reliable, fast-turn component sourcing.
Typical Applications
As a power-management IC, this component is commonly designed into equipment that relies on Power Management Chips. Power management ICs regulate, convert and distribute voltage and current across a system. Typical uses include DC-DC conversion, LDO regulation, battery charging, load switching and power sequencing in industrial controls, telecom equipment, consumer electronics and embedded designs.
Authenticity & Sourcing
Jingteng supplies Texas Instruments TL431 as genuine and original stock. Texas Instruments is a third-party trademark referenced here only to identify the component; Jingteng is an independent distributor and does not act as an agent of the component manufacturer.
Request a Quote for TL431
Need pricing or availability for TL431? Send the part number and your target quantity and our team replies within 2 business hours with a quote.
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