Document 313-1
For Maxim
Flat Wire Power Inductor MAX5051 Controller IC
Designed for Maxim’s MAX5051 Power Supply Controller, the
A9860-B offers exceptional electrical performance.
Flat wire windings offers extremely low DC resistance and high
saturation current ratings. The flat core provides excellent heat
dissipation.
Core material Ferrite
Terminations Tin-silver over copper
Weight 11.4 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 ꢁMSLꢂ 1 (unlimited floor life at <30°C /
85% relative humidity)
Failures in Time ꢁFITꢂ / Mean Time Between Failures ꢁMTBFꢂ
38 per billion hours / 26,315,789 hours, calculated per Telcordia SR-332
Packaging 200/13″ reel; Plastic tape: 44 mm wide, 0.4 mm thick,
32 mm pocket spacing, 9.6 mm pocket depth
PCB washing Tested to MIL-STD-202 Method 215 plus an additional
aqueous wash. See Doc787_PCB_Washing.pdf.
Part
L @ 0A2
±±0ꢀ ꢁ(Hꢂ
L @ 15.0A2
±±0ꢀ ꢁ(Hꢂ
DCR max
ꢁmOhmꢂ
SRF typ3
ꢁMHzꢂ
Isat4
ꢁAꢂ
Irms5
ꢁAꢂ
number1
A9860-B_
2.70
2.70
3.0
63.0
20.0
15.0
1. Please specify termination and packaging codes:
A9860-BD
3. SRF measured using an Agilent/HP 8753D network analyzer and a
Coilcraft SMD-D test fixture.
4. DC current at which the inductance drops 10% (typ) from its value
without current. Click for temperature derating information.
5. Current that causes a 40°C rise from 25°C ambient.This information is
for reference only and does not represent absolute maximum ratings.
Click for temperature derating information.
Packaging: D = 13″ machine-ready reel EIA-481 embossed plastic tape
(200 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 D instead.
6. Electrical specifications at 25°C.
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
2. Inductance measured at 100 kHz, 0.1 Vrms, 0 Adc using a Coilcraft
SMD-D fixture in an Agilent/HP 4284A impedance analyzer.
A max
0.91
B max
0.85
C max
0.39
D
E
F
G
0.08
2,0
0.30
7,5
0.10 0.57
2,5 14,5
23,0
21,5
10,0
H
I
J
K
L
M
N
O
0.098 0.08
2,5 2,0
0.129
3,27
0.25
6,23
0.486 0.168 0.039 0.216
12,35 4,27 0,98 5,48
1
2
3
Terminal 3 is for mounting stability only.
Do not connect to ground or other circuits.
Document 313-1 Revised 09/10/15
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