Datasheets
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LS121 by:
Linear Integrated Systems

Small Signal Bipolar Transistor, 0.01A I(C), 45V V(BR)CEO, 2-Element, NPN, Silicon

Part Details for LS121 by Linear Integrated Systems

Results Overview of LS121 by Linear Integrated Systems

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Applications Audio and Video Systems Automotive

LS121 Information

LS121 by Linear Integrated Systems is a Small Signal Bipolar Transistor.
Small Signal Bipolar Transistors are under the broader part category of Transistors.

A transistor is a small semiconductor device used to amplify, control, or create electrical signals. When selecting a transistor, factors such as voltage, current rating, gain, and power dissipation must be considered, with common types. Read more about Transistors on our Transistors part category page.

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LS121 Part Data Attributes

LS121 Linear Integrated Systems
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LS121 Linear Integrated Systems Small Signal Bipolar Transistor, 0.01A I(C), 45V V(BR)CEO, 2-Element, NPN, Silicon
Part Life Cycle Code Contact Manufacturer
Part Package Code TO-78
Package Description Hermetically Sealed, To-78, 6 Pin
Pin Count 6
ECCN Code EAR99
Additional Feature High Reliability
Collector Current-Max (IC) 0.01 A
Collector-Emitter Voltage-Max 45 V
Configuration Separate, 2 Elements
DC Current Gain-Min (hFE) 100
JESD-30 Code O-MBCY-W6
Number of Elements 2
Number of Terminals 6
Package Body Material Metal
Package Shape Round
Package Style Cylindrical
Polarity/Channel Type Npn
Surface Mount No
Terminal Form Wire
Terminal Position Bottom
Transistor Element Material Silicon
Transition Frequency-Nom (fT) 180 Mhz

Alternate Parts for LS121

This table gives cross-reference parts and alternative options found for LS121. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of LS121, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Manufacturer Composite Price Description Compare
LS121 Micross Components Check for Price Small Signal Bipolar Transistor, 0.01A I(C), 45V V(BR)CEO, 2-Element, NPN, Silicon LS121 vs LS121
LS122 Micross Components Check for Price Small Signal Bipolar Transistor, 0.01A I(C), 45V V(BR)CEO, 2-Element, NPN, Silicon LS121 vs LS122
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