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Product Detailed Parameters
- Description：IC VREF SHUNT 2% TO92-3
- Series：-
- Mfr：onsemi
- Package：Bulk
- Output Type：Fixed
- Voltage - Output (Min/Fixed)：2.5V
- Voltage - Output (Max)：-
- Current - Output：-
- Operating Temperature：0°C ~ 70°C (TA)
- Mounting Type：Through Hole
- Package / Case：TO-226-3, TO-92-3 (TO-226AA)
- Supplier Device Package：TO-92-3
- Grade：-
- Qualification：-
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Overview
The LM336Z25 is a precision programmable shunt regulator manufactured by onsemi. It operates as a low temperature coefficient 2.5V Zener diode with 0.2 ohm dynamic impedance. The device features a third terminal for easy trimming of reference voltage and temperature coefficient. It provides an initial tolerance of 1.0% and supports a maximum shunt current of 10 mA. The component is designed for through-hole installation in TO-92 packages, suitable for digital voltmeters, power supplies, and operational amplifier circuitry.
Feature Summary
- Precision 2.5V shunt regulation with low temperature coefficient
- Third terminal allows easy trimming of reference voltage and temperature drift
- Low dynamic impedance of 0.2 ohms for stable performance
- Capable of functioning as either positive or negative voltage reference
Applications
- Digital voltmeter reference circuits
- Power supply voltage references
- Operational amplifier biasing and reference stages
Procurement Notes
Verify the specific manufacturer source and package variant (e.g., standard TO-92 vs. kinked lead) against official datasheets before procurement. Confirm RoHS compliance status and check for end-of-life notifications or production suspensions from the manufacturer. Ensure the selected part number matches the required initial tolerance and operating temperature range specifications.
Selection Notes
Select this component when a precise 2.5V reference is required with minimal temperature drift. The adjustable third terminal makes it suitable for applications demanding high accuracy after calibration. Consider the 10 mA maximum shunt current limit for load requirements. Verify compatibility with through-hole assembly processes if using the TO-92 package style.
Part Context
The LM336Z25 belongs to the LM336 series of programmable shunt regulators. It serves as a monolithic integrated circuit voltage reference, offering a stable 2.5V output. The series is widely used in instrumentation and control systems where reliable low-voltage references are critical for measurement accuracy and signal conditioning.
Replacement Considerations
LM336Z25X (onsemi)
FAQ
Can the LM336Z25 be used as a negative voltage reference?
Yes, because it operates as a shunt regulator, it can be configured to function as either a positive or negative voltage reference.
What is the purpose of the third terminal on the LM336Z25?
The third terminal allows for easy trimming of both the reference voltage and the temperature coefficient to minimize drift.
