MSS1278T_15 [COILCRAFT]
SMT Power Inductors;
| 型号： | MSS1278T_15 |
| 厂家： | 
Coilcraft lnc. |
| 描述： | SMT Power Inductors |
| 文件： | 总2页 (文件大小：516K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Document 598-1
SMT Power Inductors
–
MSS1278T
• Designed for high ambient temperatures
• Magnetic shielding, very low DCR, excellent current handling
Designer’s Kit C419 contains 3 of each value
Core material Ferrite
Core and winding loss See www.coilcraft.com/coreloss
Terminations RoHS compliant matte tin over nickel over phos
bronze. Other terminations available at additional cost.
Weight: 3.8 g – 4.6 g
Ambient temperature –40°C to +125°C with (40°C rise) Irms current.
Maximum part temperature +165°C (ambient + temp rise). Derating.
Storage temperature Component: –40°C to +165°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 /
85ꢀ relative humidity)
Failures in Time (FIT) / Mean Time Between Failures (MTBF)
38 per billion hours / 26,315,789 hours, calculated per Telcordia SR-332
Packaging 500/13″ reel; Plastic tape: 24 mm wide, 0.5 mm thick,
16 mm pocket spacing, 8.7 mm pocket depth
PCB washing Tested to MIL-STD-202 Method 215 plus an additional
aqueous wash. See Doc787_PCB_Washing.pdf.
DCR3
Isat (A)5
Irms (A)6
1. Please specify termination and packaging codes:
SRF
(mOhms)
Inductance2
(µH)
typ4 10% 20% 30% 20°C 40°C
MSS1278T-105KLD
Termination:L = RoHS compliant matte tin over
nickel over phos bronze.
Part number1
typ
6.3
8.8
max (MHz) drop drop drop rise rise
MSS1278T-102NL_
MSS1278T-142NL_
MSS1278T-222NL_
MSS1278T-272NL_
MSS1278T-392NL_
1.0 30ꢀ
1.4 30ꢀ
2.2 30ꢀ
7.0 115
9.8 85
31.84 35.04 36.84 7.1 10.1
25.04 27.76 29.52 6.8 9.8
22.56 24.80 25.96 6.3 9.2
18.76 20.72 22.04 6.1 8.6
16.52 18.24 19.20 5.7 7.7
Special order:
T = RoHS tin-silver-copper
(95.5/4/0.5) or S = non-RoHS
tin-lead (63/37).
9.4 10.5 60
2.7 30ꢀ 10.1 11.3 40
3.9 30ꢀ 11.7 13.0 35
MSS1278T-472ML_
MSS1278T-562ML_
MSS1278T-682ML_
MSS1278T-822ML_
4.7 20ꢀ 13.9 15.5 33
5.6 20ꢀ 15.7 17.5 30
6.8 20ꢀ 19.1 21.3 23
8.2 20ꢀ 20.3 22.6 20
15.30 16.90 17.76 4.3 6.2
13.38 14.86 15.74 4.3 6.2
12.10 13.56 14.20 4.2 6.0
11.38 12.60 13.28 4.1 5.9
10.62 11.82 12.48 4.0 5.7
8.90 9.88 10.44 3.7 5.2
8.36 9.32 9.94 3.5 4.9
8.00 8.88 9.36 3.0 4.5
7.08 7.88 8.34 2.9 4.0
6.32 7.08 7.54 2.6 3.6
Packaging: D= 13″ machine-ready reel. EIA-481
embossed plastic tape (500 parts
per full reel).
B= Less than full reel. In tape, but
not machine ready.
MSS1278T-103ML_ 10 20ꢀ
21.8 24.3 17
To have a leader and trailer
added ($25 charge), use code
letter D instead.
MSS1278T-123ML_ 12 20ꢀ
MSS1278T-153ML_ 15 20ꢀ
MSS1278T-183ML_ 18 20ꢀ
MSS1278T-223ML_ 22 20ꢀ
MSS1278T-273ML_ 27 20ꢀ
MSS1278T-333ML_ 33 20ꢀ
MSS1278T-393ML_ 39 20ꢀ
MSS1278T-473ML_ 47 20ꢀ
MSS1278T-563ML_ 56 20ꢀ
MSS1278T-683ML_ 68 20ꢀ
MSS1278T-823ML_ 82 20ꢀ 125.9 139.9
MSS1278T-104ML_ 100 20ꢀ 135.1 150.2
MSS1278T-124KL_ 120 10ꢀ 182.3 202.6
MSS1278T-154KL_ 150 10ꢀ 216.5 240.6
MSS1278T-184KL_ 180 10ꢀ 229.0 254.5
MSS1278T-224KL_ 220 10ꢀ 323.6 359.6
MSS1278T-274KL_ 270 10ꢀ 415.6 461.8
MSS1278T-334KL_ 330 10ꢀ 487.3 541.5
MSS1278T-394KL_ 390 10ꢀ 533.6 592.9
MSS1278T-474KL_ 470 10ꢀ 707.5 786.2
23.2 25.8 15
27.9 31.0 13
30.8 34.3 12
35.5 39.5 11
45.0 50.0 10
2. Inductance tested at 100 kHz, 0.1 Vrms, 0 Adc using
an Agilent/HP 4263B LCR meter or equivalent.
3. DCR measured on a micro-ohmmeter and a
Coilcraft CCF858 test fixture.
4. SRF measured using an Agilent/HP 8753D network
analyzer and a Coilcraft SMD-D 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.
61.9 68.8
69.1 76.8
72.3 80.4
80.2 89.2
91.3 101.5
9.5 5.96 6.56 6.98 2.3 3.1
8.5 5.38 5.94 6.28 2.1 3.0
7.5 4.76 5.40 5.66 2.0 2.9
7.0 4.40 4.98 5.30 1.9 2.7
6.5 3.92 4.46 4.74 1.8 2.6
5.0 3.66 4.08 4.38 1.6 2.3
4.5 3.12 3.56 3.78 1.5 2.2
4.3 3.02 3.36 3.58 1.4 1.9
4.1 2.60 2.94 3.10 1.3 1.8
4.0 2.36 2.68 2.84 1.2 1.7
3.4 2.24 2.50 2.62 1.0 1.6
3.1 1.94 2.18 2.34 0.90 1.2
2.9 1.72 1.92 2.06 0.80 1.0
2.7 1.62 1.82 1.92 0.75 1.0
2.2 1.44 1.64 1.74 0.66 0.90
Refer to Doc 362 “Soldering Surface Mount
Components” before soldering.
MSS1278T-564KL_ 560 10ꢀ 777.4 863.8
MSS1278T-684KL_ 680 10ꢀ 1045 1162
MSS1278T-824KL_ 820 10ꢀ 1166 1296
MSS1278T-105KL_ 1000 10ꢀ 1334 1482
2.0 1.40 1.54 1.66 0.60 0.80
1.7 1.24 1.32 1.46 0.55 0.75
1.4 1.14 1.28 1.42 0.50 0.70
1.3 0.982 1.08 1.18 0.48 0.68
Document 598-1 Revised 09/03/15
Document 598-2
SMT Power Inductors – MSS1278T Series
Typical L vs Frequency
Typical L vs Current
10000
10000
1000 µH
1000
1000 µH
1000
100 µH
100
100 µH
100
10
10 µH
10 µH
10
1 µH
1 µH
1
1
0.1
0.1
0.1
1
10
100
0.01
0.1
1
10
Current (A)
Frequency (MHz)
inches
mm
Dimensions are in
Document 598-2 Revised 09/03/15
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