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Document 535-1
Shielded Power Inductors
–
SER1052
• High current, low DCR shielded power inductors
• 10.2 × 11 mm base; only 5.2 mm tall
AEC
+
Q200 85°C
Designer’s Kit C4±1 contains 3 of each value
Core and winding loss See www.coilcraft.com/coreloss
Core material Ferrite
Terminations RoHS compliant tin-silver-copper over tin over nickel
over phos-bronze (pins 1 and 2); matte tin over nickel over phos
bronze (pin 3). Other terminations available at additional cost.
Weight 1.6 g
Ambient temperature –40°C to +85°C with (40°C rise) Irms current.
Maximum part temperature +125°C (ambient + temp rise). Derating.
Storage temperature Component: –40°C to +125°C.
Tape and reel packaging: –40°C to +80°C
Resistance to soldering heat Max three 40 second reflows at
+260°C, parts cooled to room temperature between cycles
Moisture Sensitivity Level (MSL) 1 (unlimited floor life at <30°C /
85% relative humidity)
Packaging 200/7″ reel; 700/13″ reel Plastic tape: 24 mm wide,
0.4 mm thick, 16 mm pocket spacing, 5.45 mm pocket depth
PCB washing Tested to MIL-STD-202 Method 215 plus an additional
aqueous wash. See Doc787_PCB_Washing.pdf.
Isat (A)5
Irms(A)6
1. Please specify termination and packaging codes:
SER125±-57±MLD
Inductance DCR
SRF
typ4
±±202
(µH)
max3
120 ±20 320 ±2°C 42°C
(mOhm) (MHz) drop drop drop rise rise
Part number1
Termination:L = RoHS compliant tin-silver-copper over
tin over nickel over phos-bronze (pins 1
and 2); matte tin over nickel over phos
bronze (pin 3).
SER1052-801ML_
SER1052-102ML_
SER1052-122ML_
SER1052-132ML_
SER1052-152ML_
0.80
1.0
1.2
1.3
1.5
4.0
4.0
6.0
4.0
4.0
100
95
91
81
75
24.9 25.2 25.6 12.5 16.3
16.5 17.0 17.5 12.5 16.3
20.5 21.0 21.3 11.0 15.0
12.9 16.8 17.2 12.5 16.3
13.5 14.0 14.5 11.0 15.0
Special order:
T = RoHS tin-silver-copper over
copper (95.5/4/0.5) or S = non-RoHS
tin-lead (63/37).
SER1052-182ML_
SER1052-202ML_
SER1052-222ML_
SER1052-252ML_
SER1052-322ML_
1.8
2.0
2.2
2.5
3.2
6.0
9.0
4.0
7.5
6.0
70
65
58
55
53
13.3 13.8 14.3 11.0 15.0
15.3 15.8 16.2
8.9 9.6 10.0 12.5 16.3
11.4 11.8 12.1 9.0 12.0
8.5 11.0 15.0
8.5 11.5
Packaging: C = 7″ machine-ready reel. EIA-481
embossed plastic tape (200 parts per
full reel). Quantities less than full reel
available: in tape (not machine ready)
or with leader and trailer ($25 charge).
7.3
7.8
SER1052-402ML_
SER1052-432ML_
SER1052-572ML_
4.0
4.3
5.7
9.0
7.5
9.0
47
44
35
8.3
6.4
5.4
8.5
6.8
5.8
8.8
7.0
6.0
8.5 11.5
9.0 12.0
8.5 11.5
B = Less than full reel. In an effort to
simplify our part numbering system,
Coilcraft is eliminating the need for
multiple packaging codes. When order-
ing, simply change the last letter of your
part number from B to C.
D = 13″ machine-ready reel. EIA-481 em-
bossed plastic tape. Factory order only,
not stocked (700 parts per full reel)
2. Inductance measured at 100 kHz, 0.1 Vrms, 0 Adc on an
Agilent/HP 4284A or equivalent.
3. DCR measured on a micro-ohmmeter.
4. SRF measured using an Agilent/HP 4395A network
analyzer and an Agilent/HP 16193A test fixture.
5. DC current at 25°C that causes the specified inductance
drop from its value without current.
Click for temperature derating information.
6. 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.
7. Electrical specifications at 25°C.
Refer to Doc 362 “Soldering Surface Mount Components”
before soldering.
Document 535-1 Revised 06/14/21
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
© Coilcraft Inc. 2021
This product may not be used in medical or high
risk applications without prior Coilcraft approval.
Specification subject to change without notice.
Please check web site for latest information.
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