Varnitronics
HT78R33B HOLTEK
HOLTEK

HT78R33B

3.3V Positive Fixed SOT89 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators

SOT89RoHSActive
Manufacturer
HOLTEK
Manufacturer part #
HT78R33B
Store part #
C53223864
Package / case
SOT89
Packaging
Tape & Reel (TR)
Datasheet (PDF)

Every Order Guarantee

100% Authentic · 30-Day Return or Replacement · policy

2,695 in stock

#C53223864

Stock & price checked 5 days ago

QuantityUnit pricePack price
5+₹13.26₹66.30
50+₹11.56₹578.00
150+₹10.72₹1,608.00
1,000+₹10.08₹10,080.00
2,000+₹9.58₹19,160.00
5,000+₹9.33₹46,650.00

5 × ₹13.26

₹66.30

excl. GST

₹78.23 incl. 18% GST

Need volume or a scheduled delivery? Request a quote
  • Dispatch in 7–10 working days
  • GST invoice with every order
  • Standard pack: 1,000 per reel

HT78R33B

₹66.30 for 5 + GST

Specifications

Output Voltage
3.3V
Number of Outputs
1
Operating Temperature
-40℃~+105℃
Supply Current (Iq)
3uA
Output Configuration
Positive
Output Current
500mA
Operating Voltage
20V
Output Type
Fixed
Features
Enable control;Over Current Protection;Thermal shutdown

Packaging & compliance

RoHS
RoHS
Lifecycle
Active
ECCN
EAR99
Packaging
Tape & Reel (TR)
Standard pack
1,000 / Reel
Sold per
Piece
Minimum order
5 (multiples of 5)
Unit weight
0.115 g

Overview

The HT78Rxx series positive linear regulators feature low quiescent current and low dropout characteristics, making them suitable for battery-powered applications. Available in space-saving packages, the series delivers a continuous output current of 500mA. Multiple fixed output voltage options are provided, with voltage and current adjustment achievable via external components. The series integrates thermal shutdown and current limiting protection to handle demanding operating conditions.

Applications

  • Portable electronics
  • Wireless devices
  • Cordless phones
  • PC peripherals
  • Battery-powered devices
  • Electronic scales

Key features

  • Fixed output voltages: 1.5V, 3.0V, 3.3V, 3.5V, 5.0V
  • High accuracy: ±2%
  • Low dropout: 60mV (typical), VOUT = 5.0V @ 500mA
  • Maximum input voltage: 20V
  • Guaranteed output current: 500mA
  • Low quiescent current: 3μA (typical)
  • Current limiting
  • Thermal shutdown
  • Package types: 3-pin SOT89 and 5-pin SOT23

Alternatives

Similar parts — check the datasheet before substituting.

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