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SER1052 Datasheet, PDF (1/2 Pages) Coilcraft lnc. – Shielded Power Inductors | |||
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Document 535 -1
Shielded Power Inductors â SER1052
⢠High current, low DCR shielded power inductors
⢠10.2 à 11 mm base; only 5.2 mm tall
Designerâs Kit C421 contains 3 of each value
Core and winding lossâSee www.coilcraft.com/coreloss
Core materialâFerrite
Terminationsâ RoHS compliant tin-silver 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.
Weightâ 1.6 g
Ambient temperatureâ â40°C to +85°C with (40°C rise) Irms current.
Maximum part temperatureâ +125°C (ambient + temp rise). Derating.
Storage temperatureâ Component: â40°C to +125°C.
Tape and reel packaging: â40°C to +80°C
Resistance to soldering heatâ Max three 40 second reflows at
+260°C, parts cooled to room temperature between cycles
Moisture Sensitivity Level (MSL)â 1 (unlimited floor life at <30°C /
85% relative humidity)
Failures in Time (FIT) / Mean Time Between Failures (MTBF)
38 per billion hours / 26,315,789 hours, calculated per Telcordia SR-332
Packagingâ 200/7â³ reel; 700/13â³ reelâ Plastic tape:â 24 mm wide,
0.4 mm thick, 16 mm pocket spacing, 5.45 mm pocket depth
PCB washingâ Tested to MIL-STD-202 Method 215 plus an additional
aqueous wash. See Doc787_PCB_Washing.pdf.
Inductanceâ DCR SRF
â±20%2 âmax3 âtyp4
Part number1
(µH) (mOhm) (MHz)
SER1052-801ML_ 0.80
SER1052-102ML_ 1.0
SER1052-122ML_ 1.2
SER1052-132ML_ 1.3
SER1052-152ML_ 1.5
4.0 100
4.0 95
6.0 91
4.0 81
4.0 75
SER1052-182ML_ 1.8
SER1052-202ML_ 2.0
SER1052-222ML_ 2.2
SER1052-252ML_ 2.5
SER1052-322ML_ 3.2
6.0 70
9.0 65
4.0 58
7.5 55
6.0 53
SER1052-402ML_ 4.0
SER1052-432ML_ 4.3
SER1052-572ML_ 5.7
9.0 47
7.5 44
9.0 35
âIsat (A)5 âââIrms(A)6
10% 20% 30% 20°C 40°C
drop drop drop rise rise
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
13.3 13.8 14.3 11.0 15.0
15.3 15.8 16.2 8.5 11.5
8.9 9.6 10.0 12.5 16.3
11.4 11.8 12.1 9.0 12.0
7.3 7.8 8.5 11.0 15.0
8.3 8.5 8.8 8.5 11.5
6.4 6.8 7.0 9.0 12.0
5.4 5.8 6.0 8.5 11.5
1. Please specify termination and packaging codes:
SER1052-572MLD
Termination: L = RoHS compliant tin-silver over copper
(pins 1 and 2); matte tin over nickel over
phos bronze (pin 3).
Special order:
T = RoHS tin-silver-copper (95.5/4/0.5)
or S = non-RoHS tin-lead (63/37).
Packaging: C = 7â³ machine-ready reel. EIA-481 em-
bossed plastic tape (200 parts per full
reel).
B = Less than full reel. In tape, but not
machine ready.
To have a leader and trailer added ($25
charge), use code letter C instead.
D = 13â³ 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 âSoldering Surface Mount Componentsâ
before soldering.
Document 535-1â Revised 09/09/15
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