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HT78R33B on a board, in 3D

HT78R33B

Holtek Semicon

SOT89 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHS

Extended
JLCPCBLCSCholtek-semicon/HT78R33B
Category
Uncategorised
Package
SOT89
Pins
3

Overview

The HT78R33B is an uncategorised made by Holtek Semicon in a SOT89 package with 3 pins. SOT89 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHS.

PCBKit's library has its footprint (Package_TO_SOT_SMD:SOT-89-3, from KiCad's library), ready for a KiCad board. 885 are in stock at JLCPCB (part C53223864).

Symbol

The library has no symbol for this part yet.

Footprint

123
Package_TO_SOT_SMD:SOT-89-3From KiCad's library

Parameters

11
Features
Over Current Protection
Number of Outputs
1
Operating Temperature
-40℃~+105℃
Output Configuration
Positive
Output Current
500mA
Output Type
Fixed
Output Voltage
3.3V
Power Supply Rejection Ratio (PSRR)
70dB
Voltage - Supply
20V
Voltage Dropout
60mV@(100mA)
standby current
3uA

Order codes

1

Show this part on your page

A live frame, for any web page
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A picture
<img src="https://pcbkit.io/embed/parts/holtek-semicon/HT78R33B.jpg" alt="HT78R33B" width="1200" height="900">
A picture that opens the part, for a README
[![HT78R33B](https://pcbkit.io/embed/parts/holtek-semicon/HT78R33B.jpg?size=s)](https://pcbkit.io/parts/holtek-semicon/HT78R33B)

Questions

Is there a KiCad symbol and footprint for the HT78R33B?

Yes. the footprint Package_TO_SOT_SMD:SOT-89-3, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the HT78R33B?

SOT89, with 3 pins. Its footprint is drawn on this page.

Where can I order the HT78R33B?

JLCPCB lists it as part C53223864, with 885 in stock; the sellers' links on this page open their listings.

What can replace the HT78R33B?

Parts like it in the library: the AZ1117R-3.3TRE1 by Diodes Incorporated, the AMS1117-3.3OF by GREENMICRO, the AMS1117-3.3V (LX) by lingxingic and the RC1117-3.3 by RealChip. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8