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The LM336Z-2.5/LFT7 is a shunt precision voltage reference diode manufactured by Texas Instruments, housed in a TO-92-3 through-hole package. It provides a nominal output voltage of 2.49 V with an initial accuracy of 4%. The device operates within a temperature range of 0°C to +70°C and features a temperature coefficient of 20 PPM/°C. Maximum shunt current is rated at 10 mA. This component belongs to the LM336.5 series and is supplied in cut tape or reel formats.
Verify the specific suffix LFT7 corresponds to the required packaging format (Cut Tape, Reel, or MouseReel) as listed in official distributor specifications. Confirm that the 4% initial accuracy and 20 PPM/°C temperature coefficient meet the design requirements for the target application environment. Ensure the TO-92-3 package dimensions align with the PCB footprint constraints.
Select this component when a fixed 2.5V reference is required in a low-cost through-hole package. Compare against the LM336Z-5.0/NOPB if a higher voltage reference is needed, noting its wider operating temperature range of -40°C to +85°C. Consider the LM336M-2.5/NOPB for surface-mount implementations requiring similar electrical characteristics but in an SOIC package.
This part is a member of the LM336 family of two-terminal voltage references produced by Texas Instruments. It serves as a cost-effective solution for basic voltage regulation tasks where high precision is not critical. The device utilizes zener breakdown principles to maintain a constant voltage across its terminals when operated within specified current limits.
Direct replacements include other LM336Z-2.5 variants from Texas Instruments such as LM336Z-2.5/NOPB, provided the packaging matches. Cross-manufacturer equivalents should be verified for pinout compatibility and thermal performance.