RT9819F-40GV is available for purchase but is not normally stocked.
Available Substitutes:

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Unit Price: ¥13.54654
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RT9819F-40GV

DigiKey Part Number
RT9819F-40GV-ND - Tape & Reel (TR)
Manufacturer
Richtek USA Inc.
Manufacturer Product Number
RT9819F-40GV
Description
IC SUPERVISOR 1 CHANNEL SOT23-3
Customer Reference
Detailed Description
Supervisor Push-Pull, Totem Pole 1 Channel SOT-23-3
Datasheet
 Datasheet
Product Attributes
Type
Description
Select All
Category
Manufacturer
Richtek USA Inc.
Series
-
Packaging
Tape & Reel (TR)
Part Status
Active
DigiKey Programmable
Not Verified
Type
Simple Reset/Power-On Reset
Number of Voltages Monitored
1
Voltage - Threshold
4V
Output
Push-Pull, Totem Pole
Reset
Active High
Reset Timeout
35ms Minimum
Operating Temperature
-40°C ~ 85°C (TA)
Mounting Type
Surface Mount
Package / Case
TO-236-3, SC-59, SOT-23-3
Supplier Device Package
SOT-23-3
Base Product Number
RT9819