Inductor products

WHPL1211A Common Mode Chokes

WHPL1211A shares a size band with WHAL1211A but carries its own specification. Similar naming is not a licence to treat them as equivalents, so read both datasheets and compare impedance at the frequency your measurement actually fails.

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Part number search & selector

Find WHPL1211A Common Mode Chokes part numbers

The table uses the current English-site product records, published selection fields and part-specific technical-file links.

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WHPL1211A Common Mode Chokes product selection results
Part number	Datasheet	Compare	Downloads	Dimensions(LWH MAX)	Z(Ω) 100MHz/0.1V Min.	Z(Ω) 100MHz/0.1V Ref.	DC Resistance (mΩ) Max.	Rated DC Current (A)Max.	Insulation Resistance (MΩ)Min.	Rated Voltage (V)Max.
WHPL-1211A-231T0	SPEC	Compare WHPL-1211A-231T0	PDF 3D	1211	80	230	4	10	10	125
WHACM12A65R272	SPEC	Compare WHACM12A65R272	PDF	1211	2300	2700	50	1.5	10	125
WHACM12A65R222	SPEC	Compare WHACM12A65R222	PDF	1211	2200	2500	35	1.8	10	125
WHACM12A65R102	SPEC	Compare WHACM12A65R102	PDF	1211	750	1000	14	6	10	125
WHACM12A65R801	SPEC	Compare WHACM12A65R801	PDF	1211	600	800	8	8	10	125
WHACM12A65R701	SPEC	Compare WHACM12A65R701	PDF	1211	500	700	6	8	10	125
WHACM12A65R800	SPEC	Compare WHACM12A65R800	PDF	1211	80	230	2	10	10	125

By series

Power line common mode choke families

Families differ in construction and size band, which sets impedance and current together.

01WHAL1211A SeriesPart numbers: 7 02WHPL1211A SERIESPart numbers: 7 03WHAL1513A SeriesPart numbers: 5 04WHAL4520A SeriesPart numbers: 14 05WHAL7060A SeriesPart numbers: 8 06WHAL9070A SeriesPart numbers: 6 07WHACM07A40R SeriesPart numbers: 8 08WHACM09A50R SeriesPart numbers: 6 09WHACM12A65R SeriesPart numbers: 7 10WHACM15A60R SeriesPart numbers: 5

How to select

Selection guide for Power Line Common Mode Chokes

Selection steps, parameter explanations and the series comparison for Power Line Common Mode Chokes are on one page. Confirm the series there, then use this list for part numbers, files and samples.

Open the Power Line Common Mode Chokes selection guide →

Documents

Power line common mode choke datasheet downloads

Each power line common mode choke datasheet carries the impedance curve over frequency, the current rating, the outline drawing and the recommended land pattern.

Part number

Showing representative available file sets. Search to find a specific SKU.

WHACM12A65R2721211

WHACM12A65R2221211

WHACM12A65R1021211

WHACM12A65R8011211

WHACM12A65R7011211

7: PDF datasheets listed
1: 3D file sets listed
0: PCB footprints listed

VOOHU’s published product content is reviewed by its engineering team. Specifications, downloads and technical support information are tied to specific part numbers, so you can verify them before requesting samples or a quotation.

FAQ

Power line common mode choke questions from design reviews

Short answers on impedance, current margin, voltage rating, core material and how to request a part.

Guide 01Power line common mode choke selection in four steps Guide 02Applications for power line common mode chokes Guide 03Power line common mode choke datasheet downloads

How does WHPL1211A differ from WHAL1211A?

The two share a size band, but impedance, rated current and DC resistance are each defined by their own datasheet. Naming similarity reflects a size convention rather than electrical equivalence. Compare the two datasheets item by item before treating either as a substitute for the other.

Can I use the WHAL land pattern for WHPL?

Verify it from the datasheet rather than assuming. Parts in the same size band often share a footprint, but pin arrangement, body tolerance and recommended pad geometry are stated per part. A mismatch that looks minor on the drawing can cause placement and reflow problems in production.

Which one should I evaluate first?

Start from your requirement, not from the part number. Identify the frequency band that fails, the line current and the board space, then read both datasheets against those three constraints. Whichever covers them with more margin is the one to sample first.

Does the same rated current apply to both?

No, each part states its own. Rated current depends on winding design and the temperature rise the part was qualified to, which can differ between two parts of the same physical size. Read the figure from the specific datasheet and derate for your actual ambient conditions.

How do I request samples or a quote?

With a complete part number, send the part number, quantity, delivery region and the date you need it. If you are still selecting, send the line current, the frequency band where your scan fails and the board space available, and a sales engineer will confirm candidates first.

Engineer support

Continue after product selection

Send the candidate part number and the condition you need reviewed. Sample support can be added after the selection is clear; commercial questions may be discussed in the same engineering conversation.

1Selected part numbers
2Engineering review
3Sample request
4Commercial discussion

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When you need candidates and a comparison of differences

Engineering review identifies candidate parts and explains the differences.

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Samples are available for evaluation, and selected parts are free of charge. Our FAE team will be glad to confirm the options for your project. Sales will respond on business days.

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