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Product Overview
Digi-Key Part Number LT1521IST-3.3#PBF-ND
Quantity Available 759
Can ship immediately

Manufacturer Part Number


Description IC REG LIN 3.3V 300MA SOT223-3
Lead Free Status / RoHS Status Contains lead / RoHS Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Manufacturer Standard Lead Time 6 Weeks
Detailed Description

Linear Voltage Regulator IC Positive Fixed 1 Output 3.3V 300mA SOT-223-3

Product Attributes Select All
Manufacturer Linear Technology/Analog Devices
Series -
Packaging ? Tube ?
Part Status Active
Output Configuration Positive
Output Type Fixed
Number of Regulators 1
Voltage - Input (Max) 20V
Voltage - Output (Min/Fixed) 3.3V
Voltage - Output (Max) -
Voltage Dropout (Max) 0.75V @ 300mA
Current - Output 300mA
Current - Quiescent (Iq) 25µA
Current - Supply (Max) 12mA
PSRR 58dB (120Hz)
Control Features Enable
Protection Features Over Current, Over Temperature, Reverse Polarity
Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount
Package / Case TO-261-4, TO-261AA
Supplier Device Package SOT-223-3
Base Part Number LT1521-3.3
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Additional Resources
Standard Package ? 78
Other Names LT1521IST33PBF

00:33:06 3/24/2018

Price & Procurement

All prices are in USD.
Price Break Unit Price Extended Price
1 5.13000 $5.13
25 3.40320 $85.08
100 2.75400 $275.40

Submit a request for quotation on quantities greater than those displayed.

Alternate Package | This part is also available in the following packaging:
  • Tape & Reel (TR) ? : LT1521IST-3.3#TRPBF-ND
  • Minimum Quantity: 2,000  Non-Stock ?
  • Quantity Available: 0
  • Unit Price: $2.85602
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