RN5RK-331 Boost Converter Overview
Description
RN5RK-331 is a 5.20 V, 0.18 A switch current limit non-sync Boost Converter from . The input voltage from 0.75 V to 8.00 V can be boosted into an output voltage ranging from 5.20 V to 5.20 V.
Features of the Boost Converter are fixed 100 kHz switching frequency, a typical inductor size of 100.0 µH and it offers a peak efficiency of up to 85 %. The minimum external component count is 3 and RN5RK-331 is available in 1 package option(s): SOT23-5 .
Feature and parameter overview with replacement search
For RN5RK-331 replacement search, select a main parameter tolerance value and adjust the checkboxes for feature match. The product counter within the button shows the number of available equivalents and a click on the replacement button shows all possible replacements within a parametric overview.
RN5RK-331 Datasheet
Link to the most up-to-date RN5RK-331 datasheet and the product page for EVM, tools and support information.
RN5RK-331 Price breaks and distributor sample stock
RN5RK-331 prices and available online distributors.


Available Distributors with stock: 1
Available Distributors without stock: 1
TTI (0)
Available Distributors with stock: 0
Alternatives and equivalents
The following DC/DC Boost Converter are similar to RN5RK-331. Optional, compare RN5RK-331 side-by-side with other Boost Converter via the Comparison function.
Inductor suggestions
Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of RN5RK-331.
Order Code | Spec | L (µH) | IR (A) | ISAT (A) | RDC (mΩ) | L x W x H (mm) |
74404052100 | 10.0 | 1.6 | 2.0 | 109.00 | 5 x 5 x 2 | |
74404054100 | 10.0 | 2.1 | 2.5 | 64.00 | 5 x 5 x 4 | |
74404054150 | 15.0 | 2.0 | 2.2 | 86.00 | 5 x 5 x 4 | |
74404063100 | 10.0 | 2.0 | 2.2 | 72.00 | 6 x 6 x 2.8 | |
74404063150 | 15.0 | 1.5 | 1.9 | 125.00 | 6 x 6 x 2.8 | |
74404064150 | 15.0 | 2.1 | 2.7 | 68.00 | 6 x 6 x 4.5 | |
744053100 | 10.0 | 1.5 | 1.4 | 60.00 | 5.8 x 5.8 x 3 | |
744062100 | 10.0 | 1.6 | 1.4 | 53.00 | 6.8 x 6.8 x 2.5 | |
744065100 | 10.0 | 3.0 | 2.5 | 40.00 | 10 x 10 x 3.1 | |
744065150 | 15.0 | 2.2 | 2.3 | 69.00 | 10 x 10 x 3.1 | |
7440700100 | 10.0 | 2.0 | 1.6 | 78.00 | 8 x 8 x 2 | |
744071100 | 10.0 | 3.4 | 2.8 | 28.00 | 8 x 8 x 4.6 | |
744071150 | 15.0 | 2.8 | 2.3 | 46.00 | 8 x 8 x 4.6 | |
74408942100 | 10.0 | 1.4 | 2.1 | 125.00 | 4.8 x 4.8 x 3.1 | |
74408943100 | 10.0 | 1.7 | 2.1 | 82.00 | 4.8 x 4.8 x 4.1 | |
74408943150 | 15.0 | 1.4 | 1.7 | 118.00 | 4.8 x 4.8 x 4.1 | |
74437324100 | 10.0 | 1.5 | 2.4 | 215.00 | 4.45 x 4.06 x 2 | |
7447462100 | 10.0 | 2.5 | 2.6 | 55.00 | 5.5 x 5.5 x 8.5 | |
74477310 | 10.0 | 1.5 | 1.7 | 118.00 | 4 x 4.5 x 3.5 | |
744775112 | 12.0 | 2.2 | 2.2 | 41.70 | 7 x 7.8 x 5.5 | |
744775115 | 15.0 | 1.9 | 2.2 | 43.90 | 7 x 7.8 x 5.5 | |
74477710 | 10.0 | 2.0 | 2.6 | 45.00 | 7.3 x 7.3 x 4.5 | |
744777112 | 12.0 | 1.8 | 2.4 | 54.00 | 7.3 x 7.3 x 4.5 | |
744777115 | 15.0 | 1.6 | 2.2 | 70.00 | 7.3 x 7.3 x 4.5 | |
744777910 | 10.0 | 2.0 | 2.6 | 45.00 | 7.3 x 7.3 x 4.5 | |
7447779112 | 12.0 | 1.8 | 2.4 | 50.00 | 7.3 x 7.3 x 4.5 | |
7447779115 | 15.0 | 1.6 | 2.2 | 70.00 | 7.3 x 7.3 x 4.5 | |
74477810 | 10.0 | 1.8 | 2.2 | 68.00 | 7.3 x 7.3 x 3.4 | |
744778112 | 12.0 | 1.7 | 2.2 | 76.00 | 7.3 x 7.3 x 3.4 | |
744778115 | 15.0 | 1.5 | 1.8 | 100.00 | 7.3 x 7.3 x 3.4 | |
744778510 | 10.0 | 1.9 | 1.6 | 100.00 | 5.9 x 6.2 x 3.3 | |
7447785115 | 15.0 | 1.6 | 1.4 | 165.00 | 5.9 x 6.2 x 3.3 | |
744778610 | 10.0 | 2.1 | 1.8 | 74.00 | 5.9 x 6.2 x 5.1 | |
744778910 | 10.0 | 1.8 | 2.2 | 64.00 | 7.3 x 7.3 x 3.5 | |
7447789112 | 12.0 | 1.7 | 1.9 | 76.00 | 7.3 x 7.3 x 3.5 | |
7447789115 | 15.0 | 1.5 | 1.8 | 100.00 | 7.3 x 7.3 x 3.5 | |
744779100 | 10.0 | 1.9 | 2.1 | 38.60 | 6 x 6 x 6.5 | |
744787100 | 10.0 | 2.6 | 2.6 | 36.50 | 7.8 x 7 x 5 | |
744787120 | 12.0 | 2.5 | 2.4 | 45.00 | 7.8 x 7 x 5 | |
744787150 | 15.0 | 2.3 | 2.1 | 52.00 | 7.8 x 7 x 5 | |
78477310 | 10.0 | 1.5 | 1.7 | 118.00 | 4 x 4.5 x 3.5 | |
78477410 | 10.0 | 2.2 | 2.5 | 78.00 | 5.2 x 5.8 x 4.85 | |
784774112 | 12.0 | 2.0 | 1.9 | 82.00 | 5.2 x 5.8 x 4.85 | |
784774115 | 15.0 | 1.5 | 1.9 | 89.00 | 5.2 x 5.8 x 4.85 | |
784775112 | 12.0 | 2.2 | 2.2 | 42.00 | 7 x 7.8 x 5.5 | |
784775115 | 15.0 | 1.9 | 2.2 | 44.00 | 7 x 7.8 x 5.5 | |
784777100 | 10.0 | 1.9 | 2.6 | 105.00 | 7.3 x 7.3 x 4.3 | |
784778100 | 10.0 | 1.9 | 2.2 | 105.00 | 7.3 x 7.3 x 3.5 |