gDocument 1300-1

Power Inductor – RA7338-AEHalogen
FreeFor Microchip 1600W Bus
Balancer Reference Design• High current, high inductance power inductors• Designed for high current power supply applications• Flat wire windings provide extremely low DC and AC resistance.
• Suitable for high temperature environments, up to 125°C ambient• AEC-Q200 Grade 1 (−40°C to +125°C)• Shield has solderable tabs for additional mounting stability.

AEC

Q200 +125°C

Core material Ferrite
Environmental RoHS compliant, halogen freeTerminations RoHS compliant tin-silver over copper
Shield tabs RoHS compliant bright tin over nickel over stainless steel
Weight 109 g
Ambient temperature –40°C to +125°C with Irms current,Maximum part temperature +165°C (ambient + temp rise).
Storage temperature Component: –40°C to +165°C.
Tray packaging: –40°C to +80°C
Moisture Sensitivity Level (MSL) 1 (unlimited floor life at <30°C /85% relative humidity)
Packaging 9 parts per tray
PCB washing Tested to MIL-STD-202 Method 215 plus an additionalaqueous wash. See Doc787_PCB_Washing.pdf.

Inductance (µH)1	  DCR (mOhms)2Part	 numbermin   maxtyp   max
RA7338-AE

17.6

24.2

0.68

0.75Isat (A)3	 Irms (A)4
SRF	 (MHz)
10% drop 20% drop 30% drop 20°C rise  
40°C rise
9.25

19222434.0

44.5

1. Inductance tested at 100 kHz, 0.1 Vrms on Agilent/HP 4192A.
2. DCR measured on a Keithley 580 micro-ohmmeter or equivalent.
3. DC current at 25°C that causes an inductance drop of 30% (typ) from its value without current. Click for temperature derating information.
4. Current that causes the specified temperature rise from 25°C ambient. This information is for reference only and does not represent absolute maximum ratings. Click for temperature derating information.
5. Electrical specifications at 25°C.
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.

US +1-847-639-6400 sales@coilcraft.com
UK +44-1236-730595 sales@coilcraft-europe.com
Taiwan +886-2-2264 3646 sales@coilcraft.com.tw
China +86-21-6218 8074 sales@coilcraft.com.cn
Singapore + 65-6484 8412 sales@coilcraft.com.sg

Document 1300-1

Revised 03/15/22© Coilcraft Inc. 2022
This product may not be used in medical or highrisk applications without prior Coilcraft approval.
Specification subject to change without notice.
Please check web site for latest information.

Document 1300-2Power Inductor – RA7338-AE
Typical L vs Current
RA7338-AE

100

Inductance (µH)

+XXXX X

60
50
40Internal code

1.66 ± 0.04
42,2 ±1,030
RA7338-AE
20

1.10 max
28,6100.1

10

1

100

Current (A)

0.111
2,80

Typical L vs Frequency

0.020
0,50

Cover tabs provided for
mounting stability only.

1000.246
6,250.193 max
4,90.150
3,8080700.364 0.364
9,25 9,2560Inductance (µH)

AEC
Q200 125°C

1.41 ± 0.04
35,8 ±1,080
70

Halogen
Free5040CL30RA7338-AE

20

Dimensions are in
100.01

10.1

inchesmm10CL0.689
17,5 0.443
11,250.039
1,00
0.157
4,00.443
0.689 11,25
17,50.181
4,60

0.258
6,55

Recommended
PC board layout

Frequency (MHz)US +1-847-639-6400 sales@coilcraft.com
UK +44-1236-730595 sales@coilcraft-europe.com
Taiwan +886-2-2264 3646 sales@coilcraft.com.tw
China +86-21-6218 8074 sales@coilcraft.com.cn
Singapore + 65-6484 8412 sales@coilcraft.com.sg

Document 1300-2

Revised 03/15/22© Coilcraft Inc. 2022
This product may not be used in medical or highrisk applications without prior Coilcraft approval.
Specification subject to change without notice.
Please check web site for latest information.