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The LM236H-2.5/NOPB is a precision shunt voltage reference from Texas Instruments, part of the LM136/LM236/LM336 family. It provides a fixed output voltage of 2.49 V with an initial accuracy of 2%. The device operates within a temperature range of -55°C to +125°C and features a maximum temperature coefficient of 52 ppm/°C. It supports a maximum shunt current of 10 mA and is housed in a TO-3 metal can package designed for through-hole mounting.
Verify the specific suffix 'H' indicates the extended temperature grade (-55°C to +125°C) compared to standard variants. Confirm the 'NOPB' designation ensures lead-free compliance and RoHS adherence. Ensure the TO-3 through-hole package matches the target PCB footprint requirements before finalizing procurement.
Select this component when a fixed 2.49 V reference is required with strict tolerance limits. The TO-3 package offers superior thermal dissipation compared to plastic packages. Consider the 10 mA current limit when designing biasing networks. Verify that the 52 ppm/°C temperature coefficient meets the system's drift specifications over the full operating range.
This device belongs to the LM236 series of integrated reference circuits. It serves as a cost-effective alternative to discrete Zener diodes, offering improved stability and lower noise. The LM236 family includes various output voltage options and package styles to accommodate diverse design constraints in industrial and commercial electronics.
LM136H-2.5/NOPB: Military grade equivalent with identical electrical characteristics. LM336H-2.5/NOPB: Commercial version with limited temperature range. LM236-2.5: Standard grade variant with different temperature performance.