R1242S-E-F Buck Converter overview

Description

Manufacturer
 
Category
Sub-Category

R1242S-E-F is a 30.00 V sync Buck Converter from with 3.00 A output current. The maximum 30.00 V input voltage can be regulated down into a 0.80 V to 15.00 V output voltage.

It requires are a typical inductor size of 4.70 µH, a typical external component count of 11 and achieves a peak efficiency of 96 %. Further R1242S-E-F characteristics are a fixed 500 kHz switching frequency and 1 available package option(s): HSOP-8 .

For the R1242S-E-F replacement search, please 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.

ParameterValueReplacement
Search Filter
V-IN min. 5.00 V
V-IN max. 30.00 V
I-OUT? 3.00 A
V-OUT min. 0.80 V
V-OUT max. 15.00 V
V-OUT adjustable V
V-OUT programmable no
sync/non-sync sync
Frequency typ. 500 kHz
Frequency fixed
Frequency selectable
ext.clock sync. no
Frequency adj./ ext.clock min.
Frequency adj./ ext.clock max
Softstart yes
Softstart adjustable no
Tracking no
PG/Power OK no
Quiescent current max. 1200 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max.
thermal shutdown typ. 160 °C
Inductor size typ. 4.70 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode no
Topology Buck
Peak Efficiency 96 %
Component count min. 11
current limit adjustable no
Nr.of packages 1
CSP
SC70
SOT
MSOP
QFN/DFN
SO/SOIC
SOP HSOP-8
DIP
TO
DDPAK

R1242S-E-F Datasheet

Link to the most up-to-date R1242S-E-F datasheet and the product page for EVM, tools and support information.

R1242S-E-F

R1242S-E-F Sample stock and distributor price breaks

R1242S-E-F prices and online available distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 0

no online Distributor with R1242S stock available

Available Distributors with stock: 3

Mouser Electronics

ProductStockPriceBuy
R1242S001E-E2-FE 992
12.70 $
102.28 $
1001.94 $
2501.83 $
5001.60 $
10001.32 $
20001.18 $
50001.14 $
Buy Now
R1242S001B-E2-FE 45
12.70 $
102.28 $
1001.94 $
2501.83 $
5001.60 $
10001.32 $
20001.18 $
50001.14 $
Buy Now
R1242S001A-E2-FE 970
12.70 $
102.28 $
1001.94 $
2501.83 $
5001.60 $
10001.32 $
20001.18 $
50001.14 $
Buy Now

Rochester Electronics

ProductStockPriceBuy
R1242S001F-E2-FE 3000
10000.91 $
5000.95 $
1000.99 $
251.04 $
11.12 $
Buy Now

Chip1Stop

ProductStockPriceBuy
R1242S001A-E2-FE 75
501.05 $
11.06 $
Buy Now
R1242S001F-050-BOARD 5
133.30 $
Buy Now
R1242S001C-E2-FE 48
11.06 $
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R1242S001B-E2-FE 823
500.92 $
Buy Now
R1242S001D-E2-F 100
501.05 $
11.06 $
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R1242S001F-E2-FE 5
11.08 $
Buy Now

Available Distributors without stock: 3

Arrow Electronics

ProductStockPriceBuy
R1242S001B-E2-FE 0 Buy Now

Digi-Key

ProductStockPriceBuy
R1242S001A-E2-FE 0
10001.17 €
Buy Now
R1242S001B-E2-FE 0
10001.17 €
Buy Now
R1242S001C-E2-FE 0
10001.17 €
Buy Now
R1242S001D-E2-FE 0
10001.17 €
Buy Now
R1242S001E-E2-FE 0
10001.17 €
Buy Now
R1242S001F-E2-FE 0
10001.17 €
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R1242S001G-E2-FE 0
10001.17 €
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R1242S001H-E2-FE 0
10001.17 €
Buy Now
R1242S001F050-EV 0
132.90 €
Buy Now

Avnet

ProductStockPriceBuy
R1242S001F-E2-FE 0
36300.83 $
18150.85 $
7280.87 $
3650.90 $
3630.91 $
Buy Now

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to R1242S-E-F. Optional, compare R1242S-E-F side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% MP2403 MP2403 product overviewMP2403 product overview MPS SOIC-8
0% LM20323 LM20323 product overviewLM20323 product overview Texas Instruments HTSSOP-20
0% LM20333 LM20333 product overviewLM20333 product overview Texas Instruments HTSSOP-20
0% R1242S-C-D R1242S-C-D product overviewR1242S-C-D product overview Ricoh HSOP-8
0% R1242S-G-H R1242S-G-H product overviewR1242S-G-H product overview Ricoh HSOP-8
0% MP9943 MP9943 product overviewMP9943 product overview MPS TSOT23-8
10% AOZ1253PI AOZ1253PI product overviewAOZ1253PI product overview Alpha Omega SO-8-EP
10% AOZ1254PI AOZ1254PI product overviewAOZ1254PI product overview Alpha Omega SO-8-EP
10% SP7650 SP7650 product overviewSP7650 product overview Exar DFN-26
10% SP7656 SP7656 product overviewSP7656 product overview Exar NSOIC-8
10% MAX15041 MAX15041 product overviewMAX15041 product overview Maxim TQFN-EP-16
10% MIC26400 MIC26400 product overviewMIC26400 product overview Micrel MLF-28
10% MP2303 MP2303 product overviewMP2303 product overview MPS SOIC-8E, QFN-10
10% MP2303A MP2303A product overviewMP2303A product overview MPS SOIC-8E
10% SiC413 SiC413 product overviewSiC413 product overview Vishay SO-8
25% MP2307 MP2307 product overviewMP2307 product overview MPS SOIC-8E
25% RT8296A RT8296A product overviewRT8296A product overview Richtek SOP-8
25% RT8296B RT8296B product overviewRT8296B product overview Richtek SOP-8
25% RT8299 RT8299 product overviewRT8299 product overview Richtek SOP-8, DFN-10
25% TF6003 TF6003 product overviewTF6003 product overview Telefunken SOIC-8
25% TS3553 TS3553 product overviewTS3553 product overview Taiwan Semi SOP-8
25% BD9E300 BD9E300 product overviewBD9E300 product overview Rohm HTSOP-8
25% BD9E301 BD9E301 product overviewBD9E301 product overview Rohm HTSOP-8
50% ACT2102 ACT2102 product overviewACT2102 product overview Active Semi SOP-8
50% ACT2103 ACT2103 product overviewACT2103 product overview Active Semi SOP-8
50% ACT2113 ACT2113 product overviewACT2113 product overview Active Semi SOP-8
50% AOZ1020AI AOZ1020AI product overviewAOZ1020AI product overview Alpha Omega SOIC-8
50% AOZ1021AI AOZ1021AI product overviewAOZ1021AI product overview Alpha Omega SOIC-8
50% AOZ1022DI-01 AOZ1022DI-01 product overviewAOZ1022DI-01 product overview Alpha Omega DFN-8
50% AOZ1022PI AOZ1022PI product overviewAOZ1022PI product overview Alpha Omega SO-8-EP
50% AOZ1031AI AOZ1031AI product overviewAOZ1031AI product overview Alpha Omega SOIC-8
50% AOZ1033AI AOZ1033AI product overviewAOZ1033AI product overview Alpha Omega SOIC-8
50% AOZ1050PI AOZ1050PI product overviewAOZ1050PI product overview Alpha Omega SO-8-EP
50% AOZ1051PI AOZ1051PI product overviewAOZ1051PI product overview Alpha Omega SO-8-EP
50% AOZ1252PI AOZ1252PI product overviewAOZ1252PI product overview Alpha Omega SO-8-EP
50% AOZ3010PI AOZ3010PI product overviewAOZ3010PI product overview Alpha Omega SO-8-EP
50% AOZ3011PI AOZ3011PI product overviewAOZ3011PI product overview Alpha Omega SO-8-EP
50% AOZ3015AI AOZ3015AI product overviewAOZ3015AI product overview Alpha Omega SOIC-8
50% AOZ3015PI AOZ3015PI product overviewAOZ3015PI product overview Alpha Omega SO-8-EP
50% AP3502E AP3502E product overviewAP3502E product overview BCDSemi SOIC-8
50% AP3503E AP3503E product overviewAP3503E product overview BCDSemi PSOP-8
50% AP6507 AP6507 product overviewAP6507 product overview Diodes SO-8EP
50% AP6508 AP6508 product overviewAP6508 product overview Diodes DFN-14
50% SP7651 SP7651 product overviewSP7651 product overview Exar DFN-26
50% XRP7664 XRP7664 product overviewXRP7664 product overview Exar SOIC-8
50% XRP7665 XRP7665 product overviewXRP7665 product overview Exar SOIC-8
50% XRP7674 XRP7674 product overviewXRP7674 product overview Exar SOIC-8
50% XRP7675 XRP7675 product overviewXRP7675 product overview Exar SOIC-8
50% IXD3248 IXD3248   product overviewIXD3248 product overview IXYS SOP-8
50% MCP16322 MCP16322 product overviewMCP16322 product overview Microchip QFN-16
50% MCP16323 MCP16323 product overviewMCP16323 product overview Microchip QFN-16
50% NX7101 NX7101 product overviewNX7101 product overview Microsemi SOIC-8
50% NX7102 NX7102 product overviewNX7102 product overview Microsemi SOIC-8
50% MP1469 MP1469 product overviewMP1469 product overview MPS TSOT23-6
50% MP1470 MP1470 product overviewMP1470 product overview MPS TSOT23-6
50% MP1471 MP1471 product overviewMP1471 product overview MPS TSOT23-6
50% MP1471A MP1471A product overviewMP1471A product overview MPS TSOT23-6
50% MP1474 MP1474 product overviewMP1474 product overview MPS TSOT23-8
50% MP1475 MP1475 product overviewMP1475 product overview MPS TSOT23-8
50% MP1482 MP1482 product overviewMP1482 product overview MPS SOIC-8
50% MP1494 MP1494 product overviewMP1494 product overview MPS TSOT23-8
50% MP1494S MP1494S product overviewMP1494S product overview MPS TSOT23-8
50% MP1495 MP1495 product overviewMP1495 product overview MPS TSOT23-8
50% MP1495S MP1495S product overviewMP1495S product overview MPS TSOT23-8
50% MP1496 MP1496 product overviewMP1496 product overview MPS TSOT23-8
50% MP1497 MP1497 product overviewMP1497 product overview MPS TSOT23-8
50% MP1498 MP1498 product overviewMP1498 product overview MPS TSOT23-8
50% MP2106 MP2106 product overviewMP2106 product overview MPS QFN-10, MSOP-10
50% MP2205A MP2205A product overviewMP2205A product overview MPS QFN-14
50% MP2209 MP2209 product overviewMP2209 product overview MPS QFN-14
50% MP2212 MP2212 product overviewMP2212 product overview MPS SOIC-8E, QFN-10
50% MP2228 MP2228 product overviewMP2228 product overview MPS TSOT23-8
50% MP2233 MP2233 product overviewMP2233 product overview MPS TSOT23-8
50% MP2234 MP2234 product overviewMP2234 product overview MPS TSOT23-8
50% MP2235 MP2235 product overviewMP2235 product overview MPS TSOT23-8
50% MP2240 MP2240 product overviewMP2240 product overview MPS TSOT23-8
50% MP2305 MP2305 product overviewMP2305 product overview MPS SOIC-8
50% MP28253 MP28253 product overviewMP28253 product overview MPS QFN-14
50% MP28256 MP28256 product overviewMP28256 product overview MPS QFN-14
50% MP28262 MP28262 product overviewMP28262 product overview MPS QFN-14
50% MP28266 MP28266 product overviewMP28266 product overview MPS QFN-14
50% MP28313 MP28313 product overviewMP28313 product overview MPS SOIC-8
50% MP28315 MP28315 product overviewMP28315 product overview MPS SOIC-8E
50% MP29296 MP29296 product overviewMP29296 product overview MPS SOIC-8
50% MP38870 MP38870 product overviewMP38870 product overview MPS QFN-14
50% MP8716 MP8716 product overviewMP8716 product overview MPS SOIC-8E
50% NCP3170A NCP3170A product overviewNCP3170A product overview ON Semiconductor SOIC-8
50% NCP3170B NCP3170B product overviewNCP3170B product overview ON Semiconductor SOIC-8
50% RT8295A RT8295A product overviewRT8295A product overview Richtek SOP-8
50% RT8295B RT8295B product overviewRT8295B product overview Richtek SOP-8
50% RT8297A RT8297A product overviewRT8297A product overview Richtek DFN-8
50% RT8297B RT8297B product overviewRT8297B product overview Richtek DFN-8
50% BD1482 BD1482 product overviewBD1482 product overview Rohm HTSOP-J8
50% BD1484 BD1484 product overviewBD1484 product overview Rohm HTSOP-J8
50% BD95821 BD95821 product overviewBD95821 product overview Rohm QFN-16
50% BD95831 BD95831 product overviewBD95831 product overview Rohm QFN-16
50% SY8142 SY8142 product overviewSY8142 product overview Silergy SO-8
50% SY8143 SY8143 product overviewSY8143 product overview Silergy SO-8EP
50% ST1S10 ST1S10 product overviewST1S10 product overview ST SO-8, DFN-8
50% ST1S40 ST1S40 product overviewST1S40 product overview ST HSOP-8, DFN-8
50% TF6002 TF6002 product overviewTF6002 product overview Telefunken SOIC-8
50% LM2651 LM2651 product overviewLM2651 product overview Texas Instruments TSSOP-16
50% LM2655 LM2655 product overviewLM2655 product overview Texas Instruments TSSOP-16
50% TPS562200 TPS562200 product overviewTPS562200 product overview Texas Instruments SOT
50% TPS562209 TPS562209 product overviewTPS562209 product overview Texas Instruments SOT
50% TPS62110 TPS62110 product overviewTPS62110 product overview Texas Instruments QFN-16
50% TPS62110-Q1 TPS62110-Q1 product overviewTPS62110-Q1 product overview Texas Instruments QFN-16
50% TPS62113 TPS62113 product overviewTPS62113 product overview Texas Instruments QFN-16
50% XC9248 XC9248 product overviewXC9248 product overview Torex SOP-8
50% ZSPM4012 ZSPM4012 product overviewZSPM4012 product overview ZMDI QFN-16
50% ZSPM4012B ZSPM4012B product overviewZSPM4012B product overview ZMDI QFN-16
50% ZSPM4013 ZSPM4013 product overviewZSPM4013 product overview ZMDI QFN-16
50% ZSPM4013B ZSPM4013B product overviewZSPM4013B product overview ZMDI QFN-16
50% TS3552 TS3552 product overviewTS3552 product overview Taiwan Semi SOP-8
50% TS30012 TS30012 product overviewTS30012 product overview Triune Systems QFN-16
50% TS30013 TS30013 product overviewTS30013 product overview Triune Systems QFN-16
50% TS30022 TS30022 product overviewTS30022 product overview Triune Systems QFN-16
50% TS30023 TS30023 product overviewTS30023 product overview Triune Systems QFN-16
50% RT2853A RT2853A product overviewRT2853A product overview Richtek WQFN-16
50% RT2853B RT2853B product overviewRT2853B product overview Richtek WQFN-16
50% RT2858B RT2858B product overviewRT2858B product overview Richtek PSOP-8
50% RT7237A RT7237A product overviewRT7237A product overview Richtek PSOP-8
50% RT7237B RT7237B product overviewRT7237B product overview Richtek PSOP-8
50% RT7237C RT7237C product overviewRT7237C product overview Richtek PSOP-8
50% RT7237J RT7237J product overviewRT7237J product overview Richtek PSOP-8
50% BD9C301 BD9C301 product overviewBD9C301 product overview Rohm SOP-8
50% BD9D320 BD9D320 product overviewBD9D320 product overview Rohm HTSOP-8
50% BD9D321 BD9D321 product overviewBD9D321 product overview Rohm HTSOP-8
50% MP1474S MP1474S product overviewMP1474S product overview MPS TSOT23-8
50% MP1475S MP1475S product overviewMP1475S product overview MPS TSOT23-8
50% MP1496S MP1496S product overviewMP1496S product overview MPS TSOT23-8
50% MP1497S MP1497S product overviewMP1497S product overview MPS TSOT23-8
50% MP2234S MP2234S product overviewMP2234S product overview MPS TSOT23-8
50% MP2235S MP2235S product overviewMP2235S product overview MPS TSOT23-8
50% MP2318 MP2318 product overviewMP2318 product overview MPS TSOT23-8
50% MP9942 MP9942 product overviewMP9942 product overview MPS TSOT23-8
50% MP1470B MP1470B product overviewMP1470B product overview MPS TSOT23-6
50% MP1470H MP1470H product overviewMP1470H product overview MPS TSOT23-6
50% TPS62110-EP TPS62110-EP product overviewTPS62110-EP product overview Texas Instruments QFN-16

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of R1242S-E-F.

V-IN max. 30 V, I-OUT 3 A, V-OUT min. 0.8 V, Frequency typ. 500 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
74404052015 1.5 3.3 4.9 25.70 5 x 5 x 2
74404052022 2.2 3.0 3.6 31.60 5 x 5 x 2
74404054015 1.5 4.3 6.9 15.00 5 x 5 x 4
74404054022 2.2 3.8 5.3 19.00 5 x 5 x 4
74404063015 1.5 4.6 6.6 13.00 6 x 6 x 2.8
74404063022 2.2 3.8 5.6 20.00 6 x 6 x 2.8
7440620015 1.5 4.3 4.0 10.00 6.8 x 6.8 x 2.5
7440650022 2.2 6.2 5.9 11.00 10 x 10 x 3.1
7440660022 2.2 6.7 6.8 7.70 10 x 10 x 4.1
744071022 2.2 5.4 6.3 10.00 8 x 8 x 4.6
74408943022 2.2 3.0 4.6 26.00 4.8 x 4.8 x 4.1
74437321015 1.5 3.0 4.0 55.00 4.45 x 4.06 x 1.2
74437324022 2.2 3.3 6.5 51.00 4.45 x 4.06 x 2
74438336015 1.5 3.7 4.5 33.00 3 x 3 x 2
74438356018 1.8 4.6 6.5 24.50 4.1 x 4.1 x 2.1
74438356022 2.2 4.7 6.2 29.00 4.1 x 4.1 x 2.1
7447462022 2.2 6.3 4.3 10.00 5.5 x 5.5 x 8.5
744773014 1.4 3.4 5.0 22.00 4 x 4.5 x 3.5
744777002 2.2 6.0 6.5 13.00 7.3 x 7.3 x 4.5
7447779002 2.2 4.2 6.0 16.00 7.3 x 7.3 x 4.5
744778002 2.2 4.0 4.8 14.00 7.3 x 7.3 x 3.4
7447786002 2.2 3.5 4.0 40.00 5.9 x 6.2 x 5.1
7447789002 2.2 4.0 4.8 19.00 7.3 x 7.3 x 3.5
784775022 2.2 6.0 6.0 8.00 7 x 7.8 x 5.5
784778022 2.2 3.1 5.0 42.00 7.3 x 7.3 x 3.5
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