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Datasheet> 器件分类 > 无源元件> MVR1278C-232MLD
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MVR1278C-232MLD

产品描述1 ELEMENT, 2.3 uH, FERRITE-CORE, GENERAL PURPOSE INDUCTOR, SMD
产品类别无源元件   
文件大小174KB，共3页
制造商COILCRAFT
官网地址http://www.coilcraft.com/
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MVR1278C-232MLD概述

1 ELEMENT, 2.3 uH, FERRITE-CORE, GENERAL PURPOSE INDUCTOR, SMD

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Document 420-1
VRM/ VRD Power Inductors – MVR
MVR1251T only
The MVR series provides greater current handling
capability than any other power inductor its size. While
requiring only one square centimeter of board space, this
inductor can handle up to 36 Amps of current.
These shielded inductors were developed for multi-phase
voltage regulators and are ideal for use in DC-DC con-
verters, battery-powered devices and high current power
supplies. Their flat wire construction ensures very low
DC resistance and offers an excellent performance-to-
height ratio. The materials used in these parts eliminate
all thermal aging issues.
The MVR12xxT is a high efficiency part that features very
low core loss. The MVR12xxC provides soft saturation
and is unaffected by part temperature up to 125°C.
Refer to the comparison curves for L vs Current and ESR
vs Frequency for performance differences.
For free evaluation samples, contact Coilcraft or order
them online at
www.coilcraft.com.
L
2
DCR
SRF
3
Height
±20% ±8%
typ
Isat
4
Irms
5
max
(µH) (mOhm) (MHz) (A) (A) (mm)
0.25
0.36
0.56
0.36
0.65
1.10
1.65
2.30
0.925
0.925
0.925
0.925
1.50
1.95
2.53
3.08
160
140
110
120
115
95
55
50
35
24
13
36
24
20
17
16
25
24
25
24
19
20
20
17
5.1
5.1
5.1
4.7
5.5
6.1
7.1
7.8
Core material
MVRxxxT: Ferrite; MVRxxxxC: Powdered iron
Core and winding loss
See www.coilcraft.com/coreloss
Terminations
RoHS compliant tin-silver over copper. Other termina-
tions available at additional cost.
Weight
MVRT: 2.1 g; MVRC: 2.45 – 3.86 g
Ambient temperature
–40°C to +85°C with
Irms
current, +85°C to
+125°C with derated current
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)
Failures in Time (FIT) / Mean Time Between Failures (MTBF)
38 per billion hours / 26,315,789 hours, calculated per Telcordia SR-332
Packaging
MVR1247
MVR1251
MVR1255
MVR1261
MVR1271
MVR1278
200/7″ reel; 900/13″ reel
175/7″ reel; 700/13″ reel
175/7″ reel; 700/13″ reel
175/7″ reel; 700/13″ reel
100/7″ reel; 500/13″ reel
100/7″ reel; 500/13″ reel
Part number
1
Low core loss
MVR1251T-251ML_
MVR1251T-361ML_
MVR1251T-561ML_
Soft saturation
MVR1247C-361ML_
MVR1255C-651ML_
MVR1261C-112ML_
MVR1271C-162ML_
MVR1278C-232ML_
1. When ordering, please specify
termination
and
packaging
codes:
MVR1278C-232MLC
Termination: L
= RoHS compliant tin-silver over copper.
Special order: T
= RoHS tin-silver-copper
(95.5/4/0.5) or
S
= non-RoHS tin-lead (63/37).
Packaging: C
= 7″ machine-ready reel. EIA-481 embossed plastic
tape.
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
= 13″ machine-ready reel. EIA-481 embossed plastic
tape. Factory order only, not stocked.
2. Inductance measured at 500 kHz, 0.1 Vrms, 0 Adc using a Coilcraft
SMD-A fixture in an Agilent/HP 4284A LCR meter or equivalent.
3. SRF measured on an Agilent/HP 8753ES.
4. DC current at which the inductance drops 30% (typ) for MVR12xxC
and 20% (typ) for MVR12xxT from its value without current.
5. Current that causes a 40°C temperature rise from 25°C ambient.
6. Electrical specifications at 25°C.
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
Plastic tape: 24 mm wide, 16 mm pocket spacing
MVR1247
0.35 mm thick, 4.5 mm pocket depth
MVR1251
0.4 mm thick, 6.1 mm pocket depth
MVR1255
0.4 mm thick, 6.1 mm pocket depth
MVR1261
0.4 mm thick, 6.1 mm pocket depth
MVR1271
0.4 mm thick, 7.5 mm pocket depth
MVR1278
0.4 mm thick, 7.5 mm pocket depth
PCB washing
Tested with pure water or alcohol only. For other
solvents, see Doc787_PCB_Washing.pdf.
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
Document 420-1
Revised 07/13/11
© Coilcraft Inc. 2013
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.

MVR1278C-232MLD相似产品对比

MVR1278C-232MLD MVR1247C-361MLD MVR1251T-251MLD MVR1251T-361MLD MVR1251T-561MLD MVR1255C-651MLD MVR1261C-112MLD MVR1271C-162MLD
描述 1 ELEMENT, 2.3 uH, FERRITE-CORE, GENERAL PURPOSE INDUCTOR, SMD 1 ELEMENT, 0.36 uH, FERRITE-CORE, GENERAL PURPOSE INDUCTOR, SMD 1 ELEMENT, 0.25 uH, FERRITE-CORE, GENERAL PURPOSE INDUCTOR, SMD 1 ELEMENT, 0.36 uH, FERRITE-CORE, GENERAL PURPOSE INDUCTOR, SMD 1 ELEMENT, 0.56 uH, FERRITE-CORE, GENERAL PURPOSE INDUCTOR, SMD 1 ELEMENT, 0.65 uH, FERRITE-CORE, GENERAL PURPOSE INDUCTOR, SMD 1 ELEMENT, 1.1 uH, FERRITE-CORE, GENERAL PURPOSE INDUCTOR, SMD 1 ELEMENT, 1.65 uH, FERRITE-CORE, GENERAL PURPOSE INDUCTOR, SMD
是否无铅 - - 不含铅 不含铅 不含铅 不含铅 不含铅 不含铅
是否Rohs认证 - - 符合 符合 符合 符合 符合 符合
包装说明 - - 4437 4437 4437 4537 4537 4537
Reach Compliance Code - - compli compli compli compli compli compli
ECCN代码 - - EAR99 EAR99 EAR99 EAR99 EAR99 EAR99
大小写代码 - - 4437 4437 4437 4537 4537 4537
构造 - - Shielded Shielded Shielded Shielded Shielded Shielded
型芯材料 - - FERRITE FERRITE FERRITE FERRITE FERRITE FERRITE
直流电阻 - - 0.000925 Ω 0.000925 Ω 0.000925 Ω 0.0015 Ω 0.00195 Ω 0.00253 Ω
标称电感 (L) - - 0.25 µH 0.36 µH 0.56 µH 0.65 µH 1.1 µH 1.65 µH
电感器应用 - - POWER INDUCTOR POWER INDUCTOR POWER INDUCTOR POWER INDUCTOR POWER INDUCTOR POWER INDUCTOR
电感器类型 - - GENERAL PURPOSE INDUCTOR GENERAL PURPOSE INDUCTOR GENERAL PURPOSE INDUCTOR GENERAL PURPOSE INDUCTOR GENERAL PURPOSE INDUCTOR GENERAL PURPOSE INDUCTOR
JESD-609代码 - - e2 e2 e2 e2 e2 e2
功能数量 - - 1 1 1 1 1 1
端子数量 - - 2 2 2 2 2 2
最高工作温度 - - 125 °C 125 °C 125 °C 125 °C 125 °C 125 °C
最低工作温度 - - -40 °C -40 °C -40 °C -40 °C -40 °C -40 °C
封装高度 - - 4.61 mm 4.61 mm 4.61 mm 5.25 mm 5.9 mm 6.65 mm
封装长度 - - 11.14 mm 11.14 mm 11.14 mm 11.37 mm 11.37 mm 11.37 mm
封装形式 - - SMT SMT SMT SMT SMT SMT
封装宽度 - - 9.38 mm 9.38 mm 9.38 mm 9.38 mm 9.38 mm 9.38 mm
包装方法 - - TR, 13 Inch TR, 13 Inch TR, 13 Inch TR, 13 Inch TR, 13 Inch TR, 13 Inch
最大额定电流 - - 35 A 24 A 13 A 24 A 20 A 17 A
自谐振频率 - - 160 MHz 140 MHz 110 MHz 115 MHz 95 MHz 55 MHz
形状/尺寸说明 - - RECTANGULAR PACKAGE RECTANGULAR PACKAGE RECTANGULAR PACKAGE RECTANGULAR PACKAGE RECTANGULAR PACKAGE RECTANGULAR PACKAGE
屏蔽 - - YES YES YES YES YES YES
特殊特征 - - DCR MEASURED AT 8% TOLERANCE DCR MEASURED AT 8% TOLERANCE DCR MEASURED AT 8% TOLERANCE DCR MEASURED AT 8% TOLERANCE DCR MEASURED AT 8% TOLERANCE DCR MEASURED AT 8% TOLERANCE
表面贴装 - - YES YES YES YES YES YES
端子面层 - - Tin/Silver (Sn/Ag) Tin/Silver (Sn/Ag) Tin/Silver (Sn/Ag) Tin/Silver (Sn/Ag) Tin/Silver (Sn/Ag) Tin/Silver (Sn/Ag)
端子位置 - - DUAL ENDED DUAL ENDED DUAL ENDED DUAL ENDED DUAL ENDED DUAL ENDED
端子形状 - - ONE SURFACE ONE SURFACE ONE SURFACE ONE SURFACE ONE SURFACE ONE SURFACE
测试频率 - - 0.5 MHz 0.5 MHz 0.5 MHz 0.5 MHz 0.5 MHz 0.5 MHz
容差 - - 20% 20% 20% 20% 20% 20%

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