Products Specification
For Approval
Customer Name:
Product Description: Cmmon Mode Chokes
Customer Part Name:
TNK Part Name: WFCM4532L-510
Specification No.: PS- WFCM4532L-510-TNK-A0
Issue Date:
2023-09-07
Customer's Approval
This specification is received
(Signature)
Approved by
Checked by
Created by
Zou Bin
Zhou Jun
Li Luo Hui
2023/09/07
2023/09/07
2023/09/07
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Note: Please sign back to supplier with customer’s signature on it within 30 days after receiving it,
or we will take it as approved by customer automatically. Any revision to the document shall
be confirmed by both parties, otherwise it is invalid. When products delivery, please comply
with the specification standard.
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Page 1 / 10
Change history
Issue
Revisions
Version
Prepared
Approved
Date
1
First issue
A0
Li Luo Hui
Zhou Jun
2023-09-07
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Page 2 / 10
1. Scope & Outline
RoHs compliance product.
2. Safety Specification
Cmmon Mode Chokes
3. Appearance
3-1. Dimensions(Unit: mm)
2
3
1
4
1.0
1.2
3.2±0.2
·
3.0MAX.
4.5±0.2
3-3.Recommended Land Patterns(Unit: mm)
4.8
2.5
N2
3
2
1
3.8
4
0.7
3-2.Pin Connection
N1
4. Electrical Specifications (at 25°C)
Item
Specification
Measuring condition
Inductance
51uH+50%-30%
100kHz/0.1V
Impedance
1000Ω Min.(2800Ω Typ.)
10MHz
D.C.R
1000mΩ Max.
At 25°C
Temperature Rise Current※1
200mA Max.
Rated Voltage※2
50Vdc Max.
Insulation Resistance※3
10MΩ Min.
※1 Temperature Rise Current: The DC current at which temperature rise is △T=40°C (Ta=25°C).
PCB layout, trace thickness and width, air-flow, and proximity of other heat generating components will affect the
temperature rise. It is recommended that the temperature of the part not excelled 125°C under worst case operating
conditions verified in the end application.
※ Rated current:Isat and Irms whichever is lower.
Note: The rated current is subject to change depending on the cooling.
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5. Impedance plot
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Page 4 / 10
6.Package Specification:
6-1. Taping Specification:
6-1-1. Reel Dimensions (Unit: mm)
T
LABEL
D
B
C
A
COVER TAPE
EMBOSSED CARRIER
G
*"D" INDICATES CARRIER TAPE WIDTH
Reel size
t
QTY
A
D0
P2
B
C
D
G
T
mm
mm
12.0 ±0.5
12.4±2.0
Po
(pcs/reel)
mm
mm
mm
mm
500
178±2
57±2
12.5±0.5
12.0±0.5
W
Bo
13"
330
330
330
330
330
330
330
330
6-1-2.Taping Dimensions (Unit: mm)
PAD IN BLACK
Ao
P
Ko
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A0
B0
W
K0
PO
mm
mm
mm
mm
mm
4.50±0.5
5.50±0.5
12.0±0.3
4.0±0.5
4.0±0.1
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6-1-3. Packaging style of box.
6-1-3-1. Packing box is composed of the inner box and outer box.
6-1-3-2. One inner box consisting of 2 reels is packed in an outer box, thus 1000 products
put in an outer box.
6-1-3-3. Paper cushions are placed on the top and bottom side of the outer box.
T
LABEL
D
B
COVER TAPE
EMBOSSED CARRIER
G
*"D" INDICATES CARRIER TAPE WIDTH
500 pcs in 1 reel (500pcs/reel) ,2 reels in an inner box (1000pcs/inner box)
t
330
W
Bo
Po
P2
D0
330
330
Ao
Ko
330
330
330
330
330
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PAD IN BLACK
P
8
5 inner box in an outer box (5000pcs/Carton)
6-1-4.Label:
6-1-4-1. Use TNK standard label when the customer has no specified label.
6-1-4-2. When the customer has a designated label, use the customer specific label.
6-1-5.Notes:
6-1-5-1. This specification defines the standard packaging style and is subject to change depending on
quantity or fractions.
6-1-5-2. Inside of cases shall be filled with cushions to keep the products stable.
6-1-5-3. Inspection Certificate:Attach size data and the electric characteristic result for each shipping lot
as "Inspection Certificate".
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7. Reliability Test
Item
Specified Value
1. Operating temperature
range
-40℃~+125℃
2. Storage temperature
range
-40℃~+125℃
3. External appearance
The coil has no external
defects
Test Method and Remarks
Including self-generated heat.
On visual inspection.
Inductance coefficient is
4. Temperature
characteristics
(0~2000ppm/℃) under
Measurement of inductance shall be taken at room temperature
and Max. Min. operating temperature.
-40~+125℃
Terminal (electrode) Strength (For SMD)
The test samples shall be soldered to the test board by the reflow.
Applied force: 10N to X and Y directions. Duration: 5s.
X
5. Terminal strength test
No mechanical damage
such as pin pull out, come
off PCB board.
Y
Terminal Strength (For SMD)
A static load 10.0N shall be applied to each terminal for 5S. no
mechanical damage such as pin pull out, wire open, etc.
The test samples shall be soldered to the test board by the reflow.
Then it shall be submitted to below test conditions.
10~55Hz
Frequency Range
Total Amplitude
6. Vibration test
The electrical parameters
should meet the
specification requirements.
No significant abnormality
in appearance.
Sweeping Method
1.5mm(May not exceed
2
acceleration 196 m/s )
10Hz to 5 Hz to 10Hz for 1
min.
X
Duration
Y
Z
7. Solderability
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At least a 90% continuous
smooth new solder coating
1 hour in each of 3
mutually perpendicular
directions (total 3hours).
Recovery: At least 2hrs of recovery under the standard condition
after the test, after which measurement shall be made and
compared with the initial values.
The terminals shall be immersed in flux for about 5 sec then
dipped in melting solder at 245±5℃ for 5±0.5sec.
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Resistance to soldering heat(For SMD)
The test samples shall be exposed to the solder reflow device as
following fig(Peak temperature 260℃)for 2times with a cooldown
in between.
8. Resistance to
soldering heat
The electrical parameters
should meet the
specification requirements.
No significant abnormality
in appearance.
Recovery: At least 2hrs of recovery under the standard condition
after the test, after which measurement shall be made and
compared with the initial values.
See Figure 1 below
Resistance to soldering heat(For SMD)
Terminals shall be immersed in solder of 260±5℃ to the depth
within 1.5mm of the coil body for 10±1 sec.
Recovery: At least 2hrs of recovery under the standard condition
after the test, after which measurement shall be made and
compared with the initial values.
The test samples shall be stored in a thermostatic chamber set at
specified temperature and humidity as shown in below table.
9. Humidity test
10. High temperature
expose test
11. Low temperature
expose test
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The electrical parameters
should meet the
specification requirements.
No significant abnormality
in appearance.
The electrical parameters
should meet the
specification requirements.
No significant abnormality
in appearance.
The electrical parameters
should meet the
specification requirements.
No significant abnormality
in appearance.
Temperature
30±2℃
Humidity
90~95%RH
Time
96±4hours
Recovery: At least 2hrs of recovery under the standard condition
after the test, after which measurement shall be made and
compared with the initial values.
The test samples shall be stored in a thermostatic chamber set at
specified temperature as shown in below table.
Temperature
125±2℃
Time
96±4hours
Recovery: At least 2hrs of recovery under the standard condition
after the test, after which measurement shall be made and
compared with the initial values.
The test samples shall be stored in a thermostatic chamber set at
specified temperature and humidity as shown in below table.
Temperature
-40±2℃
Time
96±4hours
Recovery: At least 2hrs of recovery under the standard condition
after the test, after which measurement shall be made and
compared with the initial values.
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8.Recommended reflow curve:
Figure 1
TL = 217℃
Tp = 260±5℃
ts=60-180s
Ts max=200℃
Ts min=150℃
tL=60-150s
tp=tp=20-40s
T25℃ to peak=8min max
Ramp up rate=3℃/s max
Ramp down rate=6℃/s max
*ROHS Compliant
*Solder wire Sn 99/Ag0.3/Cu 0.7
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Page 9 / 10
9. Others:
9-1. The contents of this document only assures the characteristics and quality of the sole components.
Regarding its use, please evaluate and check that they work correctly when fixed to your equipment.
9-2. We will not take any responsibility for any troubles caused by usage beyond the range that this document
specifies.
9-3. The products in this specification are targeted for use in general electrical equipment. Please do not apply
on equipment that need. Especially high reliability and/or the defects caused by the product will have direct
influence on a person's life or property.
9-4. Period of quality assurance shall be 1 year from the date of shipment. The products must be controlled
normal conditions, thus in cases where the products are put under abnormally high temperature and
humidity or contamination and damage by natural disasters or other reasons, the above quality assurance
period will not be valid.
9-5. Both parties are under confidentiality obligation regarding the information contained in this document.
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This bulletin is intended to present product design solutions and technical information that will help the end user
with design applications. TNK Electronic Technology reserves the right, without notice, to change design or
construction of any products and to discontinue or limit distribution of any products. TNK Electronic Technology
also reserves the right to change or update, without notice, any technical information contained in this bulletin.
Once a product has been selected, it should be tested by the user in all possible applications.
Life Support Policy: TNK Electronic Technology does not authorize the use of any of its products for use in life
support devices or systems without the express written approval of an officer of the Company. Life support systems
are devices which support or sustain life, and whose failure to perform, when properly used in accordance with
instructions for use provided in the labeling, can be reasonably expected to result in significant injury to the user.
Please read the "Notice for TNK products" before using this catalog,If there is no record in this product catalogue,
and if it is highly reliable, please contact the company's engineer in advance.
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Page 10 / 10
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