LM385BZ-1.2RA

$0.34

Description：IC VREF SHUNT 1% TO92-3
Series：-
Mfr：onsemi
Package：Tape & Reel (TR)

SKU:cb5a7e66c66b Category: Voltage Reference Brand: onsemi

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Product introduction

Product Detailed Parameters

Description：IC VREF SHUNT 1% TO92-3
Series：-
Mfr：onsemi
Package：Tape & Reel (TR)
Output Type：Fixed
Voltage - Output (Min/Fixed)：1.235V
Voltage - Output (Max)：-
Current - Output：20 mA
Operating Temperature：0°C ~ 70°C (TA)
Mounting Type：Through Hole
Package / Case：TO-226-3, TO-92-3 (TO-226AA) Formed Leads
Supplier Device Package：TO-92-3
Grade：-
Qualification：-

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LM385BZ-1.2RA

Overview

The LM385BZ-1.2RA is a micropower two-terminal bandgap voltage reference diode manufactured by onsemi. It provides a nominal output voltage of 1.235 V with an initial tolerance grade of ±1.0%. The device operates within a current range of 10 µA to 20 mA and features a maximum temperature coefficient of 150 ppm/°C. It utilizes a TO-92 (TO-226AA) plastic package for through-hole mounting. The component is rated for commercial operation from 0°C to +70°C, offering low dynamic impedance and stable performance over time and temperature.

Feature Summary

Two-terminal bandgap voltage regulation design
Tight initial voltage tolerance via on-chip trimming
Low dynamic impedance for excellent regulation
Wide operating current range capability

Applications

Portable instrumentation circuits
Micropower analog circuitry
Battery-powered regulators
Precision current sources

Procurement Notes

Verify the specific suffix 'RA' against official onsemi documentation to confirm tape-and-reel packaging status and exact lot traceability requirements. Ensure the requested part matches the commercial temperature range specifications and TO-92 package dimensions defined in the datasheet. Confirm RoHS compliance status for the specific manufacturing batch prior to procurement.

Selection Notes

Select this component when a fixed 1.235 V reference is required in space-constrained through-hole designs. The ±1.0% tolerance suits applications needing higher precision than standard grades. Consider the 150 ppm/°C temperature coefficient for thermal stability needs. Ensure the circuit can maintain current between 10 µA and 20 mA for optimal accuracy.

Part Context

This part belongs to the LM385 series of micropower voltage references. It shares functional similarities with the LM285 series but differs in temperature rating, covering the commercial range rather than the extended industrial range. The series is characterized by bipolar technology and low-cost plastic packaging options.