BU4309FVE-TR is available for purchase but is not normally stocked.
Available Substitutes:

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Rohm Semiconductor
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Datasheet
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BD5291FVE-GTR
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BU4309FVE-TR

DigiKey Part Number
BU4309FVE-TR-ND - Tape & Reel (TR)
Manufacturer
Rohm Semiconductor
Manufacturer Product Number
BU4309FVE-TR
Description
IC SUPERVISOR 1 CHANNEL 5VSOF
Customer Reference
Detailed Description
Supervisor Push-Pull, Totem Pole 1 Channel 5-VSOF
Datasheet
 Datasheet
Product Attributes
Type
Description
Select All
Category
Manufacturer
Rohm Semiconductor
Series
-
Packaging
Tape & Reel (TR)
Part Status
Last Time Buy
DigiKey Programmable
Not Verified
Type
Simple Reset/Power-On Reset
Number of Voltages Monitored
1
Voltage - Threshold
0.9V
Output
Push-Pull, Totem Pole
Reset
Active Low
Reset Timeout
Adjustable/Selectable
Operating Temperature
-40°C ~ 125°C (TA)
Mounting Type
Surface Mount
Package / Case
SOT-665
Supplier Device Package
5-VSOF
Base Product Number
BU4309
Product Questions and Answers

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Last Time Buy
Last Time Buy Date: 31/03/2026
Quantity
All prices are in DKK
Tape & Reel (TR)
QuantityUnit PriceExt Price
3.000kr.1.84337kr.5,530.11
6.000kr.1.79625kr.10,777.50
9.000kr.1.77264kr.15,953.76
15.000kr.1.74648kr.26,197.20
21.000kr.1.73120kr.36,355.20
30.000kr.1.71650kr.51,495.00
Manufacturers Standard Package
Unit Price without VAT:kr.1.84337
Unit Price with VAT:kr.2.30421