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INA139NA/3K Current Shunt Monitor

Texas Instruments·Amplifiers (Current Sense)·ActiveNew & Original

INA139NA/3K Current Shunt Monitor
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Prices are indicative starting points — send your BOM and target quantity for an exact quotation. · FOB / DDP on request

  • New & Original — date-code photo and documentation with every shipment
  • Sourced to order — lead time on request
  • MOQ 1 pc — flexible for prototypes and production runs
  • Tape & reel / cut tape and custom packaging available
  • Amplifiers (Current Sense) line — availability, approved alternates and pricing checked line by line
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Specifications

ManufacturerTexas Instruments
Manufacturer part numberINA139NA/3K
CategoryAmplifiers (Current Sense)
DescriptionTI INA139NA/3K high-side current shunt monitor, 2.7-40 V supply, gain set by external resistor, SOT-23-5 — current measurement in power supplies, battery and motor circuits
Package / caseSOT-23-5
Mounting typeSMD
ConditionNew & Original
Datasheethttps://www.ti.com/lit/ds/symlink/ina139.pdf
FunctionHigh-side current shunt monitor
Supply voltage2.7 V ~ 40 V
Gainset by external resistor
PackageSOT-23-5
HS code8542399000

Availability & supply

StockAsk
Minimum order (MOQ)1 pc
Lead timeSourced to order — lead time on request
Unit priceOn request — quoted per quantity
PackagingTape & reel / tube per manufacturer standard
NotesINA169 (60 V) variant and other current-sense amplifiers sourced on request

Alternatives & cross-references

Pin-compatible
Ask us — we source cross-references on request.
Same spec · other brand
Ask us — we source cross-references on request.
Functional equivalent
Ask us — we source cross-references on request.

Quality & compliance

Traceability
Every line ships with manufacturer / distributor documentation and a date-code photo taken before dispatch.
Incoming inspection
Parts checked for marking, packaging and count on receipt; X-ray / decapsulation available on request for high-value lines.
Certificates on request
COC / COA / RoHS declaration issued with the shipment. Full lot traceability kept for 24 months.

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