LM7912CT/NOPBIn StockTexas Instruments
LM7912CT/NOPB is a -12V fixed negative linear voltage regulator by Texas Instruments, delivering up to 1.5A output current with thermal and short-circuit protection. Key specs: -12V output, 1.5A max current, TO-220 package. From $0.96, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Transistor Outline, Vertical
- Pin Count
- 3
- Lifecycle
- ACTIVE
- Datasheet
- LM7912CT/NOPB Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.6570(MOQ 1)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Fixed -12V output voltage with ±4% tolerance
- Up to 1.5A continuous output current
- Built-in thermal shutdown and short-circuit protection
- TO-220 through-hole package for easy heatsinking
- Wide input voltage range from -14.5V to -35V
Applications
The LM7912CT/NOPB is widely used in dual-supply analog circuits requiring a stable -12V rail, such as op-amp power supplies, audio amplifiers, and instrumentation systems. It is also common in industrial control boards and lab bench power supplies where negative regulated voltage is essential for proper biasing of analog components.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Adjustability | FIXED |
| Dropout Voltage1-Nom | 1.1V |
| Input Voltage Absolute-Max | 35V |
| Input Voltage-Max | 30V |
| Input Voltage-Min | 14.5V |
| JESD-30 Code | R-XSFM-T3 |
| JESD-609 Code | e3 |
| Line Regulation-Max | 0.08% |
| Load Regulation-Max | 0.2% |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Operating Temperature TJ-Max | 125°C |
| Output Current1-Max | 1.5A |
| Output Voltage1-Max | 12.6V |
| Output Voltage1-Min | 11.4V |
| Output Voltage1-Nom | 12V |
| Package Body Material | UNSPECIFIED |
| Package Equivalence Code | SIP3,.1TB |
| Package Shape | RECTANGULAR |
| Package Style | FLANGE MOUNT |
| Packing Method | TUBE |
| Qualification Status | Not Qualified |
| Regulator Type | FIXED NEGATIVE SINGLE OUTPUT STANDARD REGULATOR |
| Surface Mount | NO |
| Technology | BIPOLAR |
| Terminal Finish | Tin (Sn) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | SINGLE |
| Voltage Tolerance-Max | 5% |
| ## LM7912CT/NOPB Alternates Showing results | Image |
| Package | Transistor Outline, Vertical |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LM7912CT/NOPB:
suggested
suggested
suggested
Frequently Asked Questions
What is the output voltage and current rating of the LM7912CT/NOPB?
The LM7912CT/NOPB provides a fixed -12V regulated output voltage with a maximum continuous output current of 1.5A, making it suitable for most analog and mixed-signal applications requiring a negative supply rail.
What input voltage range does the LM7912CT/NOPB require?
The LM7912CT/NOPB requires an input voltage between -14.5V and -35V to maintain proper regulation. A typical input of -15V to -18V is recommended for stable -12V output with adequate dropout margin.
What protection features are built into the LM7912CT/NOPB?
The LM7912CT/NOPB includes internal thermal shutdown protection and output short-circuit current limiting, which safeguard the device and connected circuitry from damage due to overloads or fault conditions.
What are typical applications for the LM7912CT/NOPB?
Typical applications include dual-supply op-amp circuits, audio amplifiers, analog front-end power supplies, industrial control systems, and any design requiring a regulated negative 12V supply alongside a positive rail.
What package does the LM7912CT/NOPB use, and is it RoHS compliant?
The LM7912CT/NOPB comes in a TO-220 through-hole package, which allows easy attachment to a heatsink for thermal management. The '/NOPB' suffix indicates the device is lead-free and RoHS compliant.
Related Guides
BOM Optimization: How to Reduce Electronic Component Costs Without Sacrificing Quality
Practical strategies for reducing BOM costs by 15-30% through smart component selection, supplier diversification, and procurement optimization.
Apr 9, 2026
Top 10 Microcontrollers in 2025: A Comprehensive Comparison Guide
Detailed comparison of the most popular MCUs in 2025 — STM32, ESP32, RP2040, nRF52, and more. Specs, pricing, ecosystem, and use-case recommendations.
Apr 9, 2026
How to Read an IC Datasheet: A Practical Guide for Engineers
Master the art of reading IC datasheets. Learn what every section means, which specs matter most, and how to extract the information you need for your design.
Apr 9, 2026
Understanding the 2025 Chip Shortage: Which Components Are Affected and What to Do
Analysis of the current semiconductor supply landscape, which components face extended lead times, and strategies for engineers and procurement teams.
Apr 9, 2026
Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.3900 | $1.39 |
| 10+ | $1.0300 | $10.30 |
| 25+ | $0.9280 | $23.20 |
| 90+ | $0.8500 | $76.50 |
| 1000+ | $0.7370 | $737.00 |
| 10000+ | $0.6570 | $6570.00 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“The anti-counterfeit verification gave us confidence we'd never had with other China suppliers.”