Other Parts Discussed in Thread: TMP441, TMP442, TMP423, TMP422
Please suggest TMP421AIDCNR I2C Remote and Local Temp Sensor SOT23-8 "p2p" 2nd source
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TMP421 is pin to pin compatible with TMP441. The latter adds Beta Compensation feature.
Thank you for your suggestion Any other similar suggestions without p2p? Because tmp441 is out of stock
If both of your TMP421's address pins were grounded, you could drop-in a TMP422 or TMP442. If your remote junction's return (DXN) is grounded and TMP421's A0 is grounded, you could use a TMP423. You could use the automotive grade (Q1) of any of these products.