UC1543J/883B Texas Instruments Integrated Circuit (Ceramic Dual-In-Line Packages) In Stock
The UC1543J/883B is a military-grade power supply supervisory circuit from Texas Instruments in a 16-pin ceramic DIP package. It operates across a -55°C to +125°C temperature range for high-reliability applications. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Ceramic Dual-In-Line Packages
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- UC1543J/883B Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of UC1543J/883B?
- Military-grade power supply supervisory circuit rated to MIL-STD-883B for mission-critical aerospace and defense systems
- Wide -55°C to +125°C operating temperature range in a hermetically sealed 16-pin ceramic DIP package ensuring reliable operation in harsh environments
- Comprehensive power-rail monitoring with multiple supervisory functions integrated in a single IC to simplify fault detection and system reset management
What is UC1543J/883B used for?
The UC1543J/883B is engineered for military, aerospace, and high-reliability industrial power management systems requiring robust supply voltage monitoring. Its hermetic ceramic DIP construction and MIL-STD-883B qualification make it suitable for avionics, satellite power systems, and ruggedized defense electronics. It is also applied in nuclear instrumentation and other mission-critical infrastructure where wide-temperature supervisory circuits are mandated.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the UC1543J/883B datasheet?
UC1543J/883B Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for UC1543J/883B?
Compatible alternatives and drop-in replacements for UC1543J/883B:
Frequently Asked Questions
What is the UC1543J/883B and what does it do?
The UC1543J/883B is a power supply supervisory circuit that monitors supply voltages and generates reset or fault signals when rails fall outside acceptable limits. It is designed for military and high-reliability applications requiring precise power management and system protection.
What is the operating temperature range of the UC1543J/883B?
The UC1543J/883B is rated for operation from -55°C to +125°C, covering the full military temperature range. This makes it suitable for harsh environment applications including avionics, satellite systems, and ruggedized defense and industrial equipment.
What package does the UC1543J/883B use?
The UC1543J/883B is housed in a 16-pin ceramic dual-in-line package (CDIP). The hermetically sealed ceramic construction provides superior moisture and contamination resistance compared to plastic packages, which is required for military-standard reliability qualification.
Is the UC1543J/883B MIL-STD qualified?
Yes, the UC1543J/883B is qualified to MIL-STD-883B, the standard for microcircuit test methods in military and aerospace applications. This qualification ensures consistent performance and reliability under extreme electrical, thermal, and mechanical stress conditions.
What are typical applications for the UC1543J/883B?
Typical applications include power rail supervision in avionics computers, satellite power conditioning units, ruggedized defense electronics, nuclear instrumentation, and any safety-critical system requiring military-temperature-range supervisory circuits with hermetically sealed packaging.
Related Guides
CSD87313DMS Synchronous Buck Power Stage Design Guide
Design a compact CSD87313DMS synchronous buck stage with practical guidance for loss, gate drive, PCB layout, EMI, thermal validation, and sourcing.
Aug 6, 2026
STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection
Choose STEF05SGR for 5 V overcurrent protection by checking current-limit margin, inrush, thermal loss, fault response, and sourcing.
Aug 6, 2026
C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC
Select C0402C103K3RACTU by voltage margin, X7R behavior, tolerance, 0402 assembly risk, and qualified alternatives.
Aug 4, 2026
STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security
Choose STM32H753VIT6 by evaluating memory architecture, LQFP-100 pin fit, connectivity, security, power, and sourcing tradeoffs.
Aug 4, 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.
More from Texas Instruments
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“FindMyChip sourced our entire STM32 BOM in 48 hours when our usual distributor had 16-week lead times.”
You May Also Like
ACS770ECB-200U-PFF-T
Allegro Microsystems
Integrated Circuit
ACS770KCB-150U-PFF-T
Allegro Microsystems
Integrated Circuit
MC33901WEF
NXP
Integrated Circuit
MC7808BDTRKG
ON Semiconductor
Integrated Circuit
PA94EC
Apex Microtechnology
Integrated Circuit
AP7315-28SR-7
Diodes Inc.
Integrated Circuit
74HCT245D
Nexperia
Integrated Circuit
CY62256VNLL-70ZXCT
Cypress Semiconductor
Integrated Circuit
EPM7032AETC44-4N
Intel
Integrated Circuit
EPM3512AQC208-10N
Intel
Integrated Circuit
EPM3256ATC144-7N
Intel
Integrated Circuit
EPM3256AQC208-7N
Intel
Integrated Circuit
EPM3256AQC208-10N
Intel
Integrated Circuit
EPM3128ATC100-7N
Intel
Integrated Circuit
EPM1270F256C4N
Intel
Integrated Circuit
EPF8282ATC100-4N
Intel
Integrated Circuit
EPF6016QC208-2N
Intel
Integrated Circuit
EPF6016ATC144-3N
Intel
Integrated Circuit
EPF10K30ATC144-3N
Intel
Integrated Circuit
EPC2TI32N
Intel
Integrated Circuit
EPC2LC20
Intel
Integrated Circuit
EP3SL150F1152C4N
Intel
Integrated Circuit
EP2SGX60DF780C5N
Intel
Integrated Circuit
EP2SGX60CF780C5N
Intel
Integrated Circuit