2 layers188.1 × 142 mm
REF1933AIDDCT
Texas InstrumentsExtended
-40℃~+125℃@(Ta) 20mA 25ppm/℃ 3.32V~5.5V 3.3V 460uA Fixed Series ±0.1% SOT-23-Thin-5 Voltage Reference ROHS
- Part id
- ti/REF1933AIDDCT
- Category
- Voltage Reference
- Package
- SOT-23-Thin-5
- Pins
- 5
- In stock
- 18 at JLCPCB (C2877564)
- Used on
- 1 open-source board
Overview
The REF1933AIDDCT is a voltage Reference made by Texas Instruments in a SOT-23-Thin-5 package with 5 pins. -40℃~+125℃@(Ta) 20mA 25ppm/℃ 3.32V~5.5V 3.3V 460uA Fixed Series ±0.1% SOT-23-Thin-5 Voltage Reference ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:REF2025QDDCRQ1_C6760309, from EasyEDA) and its footprint (EasyEDA_Cloud:SOT-23-5_L2.9-W1.6-P0.95-LS2.8-BR, from EasyEDA), ready for a KiCad board. 18 are in stock at JLCPCB (part C2877564). 1 open-source board in 1 repository on GitHub use it.
Symbol
Footprint
Pinout
5| Pin | Name | Type |
|---|---|---|
| 1 | VBIAS | Unspecified |
| 2 | GND | Unspecified |
| 3 | EN | Unspecified |
| 4 | VIN | Unspecified |
| 5 | VREF | Unspecified |
Open-source boards using it
1Parts like it
8
LM4132AMFX-3.3
SOT-23-5-40℃~+125℃@(Tj) 100uA 20mA 20ppm/℃ 3.3V 3.7V~5.5V 310uVp-p Fixed Series ±0.05% SOT-23-5 Voltage Reference ROHSTexas InstrumentsVoltage Reference
REF333SOT233
SOT-23-3-40℃~+125℃ 20ppm/℃ 25mA 3.32V~5.5V 3.3V 36uVp-p 41uVrms 60uA Fixed ±0.1% SOT-23-3 Voltage Reference ROHSanalogysemiVoltage ReferenceLM4132AMF-3.3
SOT-23-5-40℃~+125℃@(Tj) 100uA 20mA 20ppm/℃ 3.3V 3.7V~5.5V 310uVp-p Fixed Series ±0.05% SOT-23-5 Voltage Reference ROHSTexas InstrumentsVoltage ReferenceREF1933AIDDCR
SOT-23-5-40℃~+125℃@(Ta) 20mA 25ppm/℃ 3.32V~5.5V 3.3V 460uA Fixed Series ±0.1% SOT-23-5 Voltage Reference ROHSTexas InstrumentsVoltage Reference
MCP1501-33E/SN
SOIC-8-40℃~+125℃ 20mA 3.3V 3.5V~5.5V 50ppm/℃ 550uA Enable/disable、Built-in output buffer Fixed Series ±0.1% SOIC-8 Voltage Reference ROHSMicrochip TechnologyVoltage Reference
MCP1501-33E/CHY
SOT-23-6-40℃~+125℃@(Ta) 20mA 3.3V 3.5V~5.5V 50ppm/℃ 550uA Enable/disable、Built-in output buffer Fixed Series ±0.1% SOT-23-6 Voltage Reference ROHSMicrochip TechnologyVoltage ReferenceMCP1502-33E/CHY
SOT-23-6-40℃~+125℃@(Ta) 20mA 3.3V 3.5V~5.5V 550uA 7ppm/℃ Fixed Series ±0.1% SOT-23-6 Voltage Reference ROHSMicrochip TechnologyVoltage ReferenceLM4132BMFX-3.3
SOT-23-5-40℃~+125℃@(Tj) 100uA 20mA 20ppm/℃ 3.3V 3.7V~5.5V 310uVp-p Fixed Series ±0.1% SOT-23-5 Voltage Reference ROHSTexas InstrumentsVoltage Reference
Questions
Is there a KiCad symbol and footprint for the REF1933AIDDCT?
Yes. The symbol is EasyEDA_Cloud:REF2025QDDCRQ1_C6760309 and the footprint EasyEDA_Cloud:SOT-23-5_L2.9-W1.6-P0.95-LS2.8-BR, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the REF1933AIDDCT?
SOT-23-Thin-5, with 5 pins. Its footprint is drawn on this page.
Where is the REF1933AIDDCT datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the REF1933AIDDCT?
JLCPCB lists it as part C2877564, with 18 in stock; the sellers' links on this page open their listings.
What can replace the REF1933AIDDCT?
Parts like it in the library: the LM4132AMFX-3.3 by Texas Instruments, the REF333SOT233 by analogysemi, the LM4132AMF-3.3 by Texas Instruments and the REF1933AIDDCR by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the REF1933AIDDCT?
1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.