UC1834J Texas Instruments (DIP) In Stock
UC1834J is a single-channel under/overvoltage supervisor by Texas Instruments, operating from a 5 V to 35 V input range with programmable fault alert delay. Key specs: 1 channel, 5 V–35 V input voltage, JESD-30 R-GDIP-T16 package. From stock, available with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- —
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- UC1834J Datasheet PDF
- Temp Range
- -55.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of UC1834J?
- Single-channel under/overvoltage supervisor with programmable delay for fault alert
- Wide input voltage range from 5 V to 35 V supports diverse power rail monitoring
- 16-pin DIP package (R-GDIP-T16) for easy through-hole prototyping and industrial use
- RoHS-compliant (Pb-free) construction suitable for modern compliance requirements
What is UC1834J used for?
The UC1834J is used in industrial power supplies and instrumentation equipment where monitoring for under- or overvoltage conditions on a single rail is critical. It suits harsh-environment applications requiring wide input voltage tolerance (5 V to 35 V) and a configurable delay before asserting a fault alert. Typical deployments include factory automation controllers and ruggedized embedded systems that need reliable voltage supervision with minimal external components.
What are the specifications of UC1834J?
| Pbfree Code | Yes |
| YTEOL | 15 |
| Additional Feature | UNDER AND OVER-VOLTAGE FAULT ALERT WITH PROGRAMMABLE DELAY |
| Adjustable Threshold | NO |
| Analog IC - Other Type | UNDER/OVERVOLTAGE SUPERVISOR |
| Input Voltage-Max | 35V |
| Input Voltage-Min | 5V |
| JESD-30 Code | R-GDIP-T16 |
| JESD-609 Code | e0 |
| Number of Channels | 1 |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Output Current-Max | 0.4A |
| Output Voltage-Max | 1.515V |
| Output Voltage-Min | 1.485V |
| Package Body Material | CERAMIC, GLASS-SEALED |
| Package Equivalence Code | DIP16,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 35V |
| Supply Voltage-Min (Vsup) | 5V |
| Supply Voltage-Nom (Vsup) | 15V |
| Surface Mount | NO |
| Technology | BIPOLAR |
| Temperature Grade | MILITARY |
| Terminal Finish | Tin/Lead (Sn/Pb) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Threshold Voltage-Nom | +0.15V |
| Trim/Adjustable Output | YES |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Where can I find the UC1834J datasheet?
UC1834J Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for UC1834J?
Compatible alternatives and drop-in replacements for UC1834J:
Rochester Electronics LLC 1-CHANNEL POWER SUPPLY SUPPORT CKT, CDIP16, CERAMIC, DIP-16
Unitrode Corporation Adjustable, 1 Channel, PDIP16
Frequently Asked Questions
What input voltage range does the UC1834J support for power-rail supervision?
The UC1834J monitors a single power rail over an input voltage range of 5 V to 35 V, making it suitable for a wide variety of industrial and embedded supply voltages without additional level-shifting circuitry.
How does the UC1834J's programmable fault-alert delay help prevent nuisance trips in noisy industrial environments?
The device includes a programmable delay on its under- and overvoltage fault alert output, allowing designers to set a debounce window—typically from a few microseconds up to several milliseconds—so that brief transients on the monitored 5 V–35 V rail do not trigger false fault events in industrial automation or power-management systems.
In which through-hole package does the UC1834J ship, and why does that matter for prototyping?
The UC1834J is housed in a 16-pin ceramic DIP package (JESD-30 code R-GDIP-T16) with 0.1-inch pin spacing, which plugs directly into standard breadboards and IC sockets—simplifying prototyping, in-circuit replacement, and manual inspection in lab or low-volume industrial builds.
When would an engineer choose the UC1834J over a multi-channel supervisor for a single-rail design?
For designs that supervise only 1 power rail, the single-channel UC1834J avoids paying the cost and board space of multi-channel devices. Its 5 V to 35 V input range and dedicated fault output with programmable delay cover most single-supply scenarios in industrial controllers and instrumentation with fewer external components than a software-based solution.
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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.
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