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KF33BDT-TR The STMicroelectronics KF33BDT-TR is a linear voltage regulator providing a fixed 3.3V output at up to 500mA. It features a low dropout voltage and surface mount packaging.
Mfr Part #:

KF33BDT-TR

Available from 4 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics KF33BDT-TR is a linear voltage regulator providing a fixed 3.3V output at up to 500mA. It features a low dropout voltage and surface mount packaging.
✓ Total Stock: 51,135 pcs
$ Price Range: $0.28

KF33BDT-TR Available from 4 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Fe Components ✓
Non-Authorised Inventory information
42,500 pcs
On Request
42500 pcs On Request 1 On Request On Request On Request On Request On Request
Risen Electronics ✓
Non-Authorised Inventory information
7,000 pcs
On Request
7000 pcs On Request 1 On Request On Request On Request On Request 2026-02-16 21:33:16
Xingangxin ✓
Non-Authorised Inventory information
1,623 pcs
On Request
1623 pcs On Request 1 On Request On Request On Request On Request On Request
Optech Co.,Limited ✓
Non-Authorised Inventory information
12 pcs
On Request
12 pcs On Request 1 On Request On Request 21+ On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

KF33BDT-TR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Height
Length
Mounting Type
Number of Channels
Number of Outputs
Number of Regulators
Operating Temperature
Output Configuration
Output Type
PSRR
Protection Features
Quiescent Current
Supplier Device Package
Supply Current
Tape & Reel
Voltage
Voltage Dropout (Max)
Width
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KF33BDT-TR Description

Short technical summary and product information.

The STMicroelectronics KF33BDT-TR is a linear voltage regulator designed for power management applications. It offers a stable 3.3V fixed output voltage with a maximum output current of 500mA. The regulator boasts a low dropout voltage of 400mV at 500mA and maintains an accuracy of 2% for the output voltage.

 

With a maximum input voltage of 20V, the KF33BDT-TR is suitable for a range of power supply designs. It includes protection features such as over current and over temperature protection, enhancing system reliability. The device operates within a temperature range of -40°C to 125°C.

 

Packaged in a TO-252-3, DPak (2 Leads + Tab), SC-63 surface mount package, this regulator is designed for easy integration into printed circuit boards. The tape and reel packaging is suitable for automated assembly processes. Its dimensions are 6.6mm in length, 6.2mm in width, and 2.4mm in height.

KF33BDT-TR Quick Information

Product Type: Linear Voltage Regulator
Canonical Name: KF33BDT-TR Linear Voltage Regulator
Subcategory: Linear

KF33BDT-TR Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: Lead Free

KF33BDT-TR Estimated Pricing

Qty Low High
1+ $0.28 $0.28

Estimated market price range - modelled values for guidance only, not live distributor offers.

KF33BDT-TR Features

  • Fixed 3.3V output voltage.
  • Maximum output current of 500mA.
  • Low 400mV dropout voltage.
  • Surface mount TO-252 package.
  • Over current and over temperature protection.

KF33BDT-TR Applications

  • Ideal for power supply regulation.
  • Suitable for battery-powered devices.
  • Used in consumer electronics.
  • Applicable in industrial controls.

KF33BDT-TR FAQs

6 frequently asked questions generated from this part’s specifications.
What is the output voltage of the KF33BDT-TR?

The output voltage is fixed at 3.3V.

What is the operating temperature range?

The operating temperature range is -40°C to 125°C.

What package is the KF33BDT-TR available in?

It is available in a TO-252-3 (DPAK) surface mount package.

What is the dropout voltage?

The dropout voltage is 400mV typical, 700mV maximum at 500mA load.

Does the regulator have protection features?

Yes, it includes over current and over temperature protection.

What is the output voltage accuracy?

The output voltage accuracy is ±2%.

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