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Price & Availability
Close up of MSD1278T-183ML_
3D Model Datasheet S-Param

MSD1278T-183

MSD1278T-183MLD

符合RoHS AEC-Q flag

有关该元件的更多信息和规格。

前往系列
立即购买:
计数 单价
1 $3.06
250 $2.02
500 $1.21
1000 $0.95
2500 $0.81
5000 $0.75

对于大批量采购或非库存产品，点击这里请求报价。

. 现货，可今天发货.
索取样品:

规格

Electrical specifications at 25°C.

反激式应用

零件号 1
(Hover for schematics)
电感 (µH) 2
(公差: ±20%) 		DCR max (Ω) 3 隔离
电压 (V) 		漏电感
(nH) 5 		匝数比
MSD1278T-183ML_ 18 0.080 500 370 1 : 1

SEPIC应用

零件号 1
(Hover for schematics)
电感 (µH) 2
(公差: ±20%) 		DCR max (Ω) 3 SRF typ (MHz) 4 耦合系数 漏电感
(nH) 5 		Isat (A) 6 Irms (A)
10% drop 20% drop 30% drop 两个绕组 7 一个绕组 8
MSD1278T-183ML_ 18 0.080 12.0 0.99 370 6.5 7.4 7.9 2.2 3.1
注释
  1. When ordering, please specify termination and packaging code: MSD1278T-105KLD. 
  2. Inductance shown for each winding, measured at 100 kHz, 0.1 Vrms, 0 Adc on an Agilent/HP 4284A LCR meter or equivalent. When leads are connected in parallel, inductance is the same value. When leads are connected in series, inductance is four times the value.
  3. DCR is for each winding. When leads are connected in parallel, DCR is half the value. When leads are connected in series, DCR is twice the value.
  4. SRF measured using an Agilent/HP 4191A or equivalent. When leads are connected in parallel, SRF is the same value.
  5. Leakage inductance is for L1 and is measured with L2 shorted
  6. Isat: DC current, at which the inductance drops the specified amount from its value without current. It is the sum of the current flowing in both windings.
  7. Irms, both windings: Equal current when applied to each winding simultaneously that causes a 40°C temperature rise from 25°C ambient. Determine temperature rise.
  8. Irms, one winding: Maximum current when applied to one winding that causes a 40°C temperature rise from 25°C ambient. Determine temperature rise.

端子:

  • L = RoHS compliant matte tin over nickel over phos bronze.
  • T = RoHS tin-silver-copper (95.5/4/0.5). (Special order, added cost)
  • S = non-RoHS tin-lead (63/37). (Special order, added cost)

包装:

  • D = 13″ machine-ready reel. EIA-481 embossed plastic tape (500 parts per full reel). Quantities less than full reel available: in tape (not machine ready) or with leader and trailer ($25 charge).
  • B = Less than full reel. In an effort to simplify our part numbering system, Coilcraft is eliminating the need for multiple packaging codes. When ordering, simply change the last letter of your part number from B to D.
环境
环境:
符合RoHS
环境温度范围:
–40°C to +125°C with Irms current
储存温度范围:
Component: –40°C to +165°C.
Tape and reel packaging: –40°C to +80°C
最高元件温度:
+165°C (ambient + temp rise)
故障率（FIT）/平均故障间隔时间（MTBF）:
See FIT/MTBF Calculations

性能曲线

Inductance vs Current

Inductance vs Current

Inductance vs Frequency

Inductance vs Frequency

原理图

msd1278tschem.GIFmsd1260s.gif

物理特性

msd1278td-(1).gif
 

dims_inches_mm.gif

卷装规格

tapereel_pl-(28).gif

 
Parts per reel Reel dimensions (mm) Tape dimensions (mm) Orientation
13" (330 mm) A B C D E W P Po P1 H T part_or_ak-(10).gif
500 330 100 13 30,4 24,4 24 16 4 2 8,7 0,5

一般规格

核心材料:
Ferrite
重量:
3.7 – 4.4 g
包装:
500/13″ reel; Plastic tape: 24 mm wide, 0.5 mm thick, 16 mm pocket spacing, 8.7 mm pocket depth
Winding to Winding Isolation:
500 Vrms, one minute

焊接/清洗

湿气敏感度等级（MSL）:
1 (unlimited floor life at <30°C / 85% relative humidity)
抗焊接热:
Max three 40 second reflows at +260°C, parts cooled to room temperature between cycles
焊接之前，请参阅焊接线艺元件。
PCB清洗:
PCB washing Tested with pure water or alcohol only. More info.

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