参数资料
型号: 744878004
厂商: Wurth Electronics Inc
文件页数: 1/3页
文件大小: 0K
描述: COUPLED INDUCTOR SEPIC/CUK 4.7UH
产品培训模块: Coupled Inductors for SEPIC Converter Applications
产品目录绘图: WE-DD Series S,M TypeTop
WE-DD Series S Type Side
WE-DD Series S,M Type Bottom
特色产品: WE-DD Coupled Inductors Series
3D 型号: 744878zzz.igs
744878zzz.stp
744878zzz.wrl
标准包装: 1
系列: WE-DD
每一线圈的电感: 4.7µH
线圈数目: 2
电流: 1.3A
容差: ±20%
电感 - 串行连接: 18.8µH
电感 - 并行连接: 4.7µH
DC 电阻(DCR): 最大 75 毫欧
安装类型: 表面贴装
尺寸/尺寸: 0.287" L x 0.287" W(7.30mm x 7.30mm)
高度: 0.157"(4.00mm)
包装: 标准包装
产品目录页面: 1806 (CN2011-ZH PDF)
其它名称: 732-2302-6
Spezifikation für Freigabe / specification for release
Kunde / customer :
Artikelnummer / part number :
744878004
LF
Bezeichnung :
description :
DOPPELDROSSEL WE-DD
POWER-CHOKE WE-DD
RoHS compliant
DATUM / DATE : 2005-05-23
A Mechanische Abmessungen / dimensions :
Typ S
A
B
2
D
C
3
A
B
C
7,3 ± 0,4
4,0 max.
1,0 ± 0,1
mm
mm
mm
D
E
2,7 ± 0,1
4,0 ± 0,2
mm
mm
A
E
F
1
2
mm
L1
Start
Finish
1
4
4
3
L2
@@FRM 1@@
B Elektrische Eigenschaften / electrical properties :
C L?tpad / soldering spec.:
Eigenschaften / properties
Induktivit?t (je Wicklg.) /
inductance (each wdg.)
DC-Widerstand (je Wicklg.) /
DC-resistance (each wdg)
DC-Widerstand (je Wicklg.) /
DC-resistance (each wdg)
Nennstrom (je Wicklg.) /
rated Current (each wdg.)
S?ttigungsstrom (je Wicklg.) /
saturation current (each wdg.)
Eigenres.-Frequenz /
self-res.-fequency
Testbedingungen /
test conditions
1 kHz / 0,25V
@ 20°
@ 20°
? T = 40 K
| ? L/L|<10%
L 1, L 2
R DC1,2
R DC1,2
I N1, I N2
I sat
SRF
Wert / value
4,7
0,065
0,075
1,30
3,00
46
Einheit / unit
μH
?
?
A
A
MHz
tol.
±20%
typ.
max.
max.
max.
typ.
2,2
3,1
2,2
1,0
0,8
[ mm ]
Nennspannung /
rated voltage
U DC
80
V
max.
D Prüfger?te / test equipment :
E Testbedingungen / test conditions :
HP 4274 A für/for L und/and Q
HP 34401 A für/for I DC und/and R DC
Luftfeuchtigkeit / humidity:
Umgebungstemperatur / temperature:
33%
+20°C
F Werkstoffe & Zulassungen / material & approvals :
G Eigenschaften / general specifications :
Basismaterial / base material:
Ferrit/ ferrite
Betriebstemp. / operating temperature:
-40°C - + 125°C
Draht / wire:
2 SFBW; 155°C
Umgebungstemp. / ambient temperature: -40°C - + 85°C
It is recommended that the temperature of the part does
not exceed 125°C under worst case operating conditions.
Freigabe erteilt / general release:
..................................................................................
Datum / date
...............................................
Geprüft / checked
Kunde / customer
..................................................................................
Unterschrift / signature
Würth Elektronik
.................................................
Kontrolliert / approved
SST
SST
MST
MST
SST
AG
AG
Name
Version 7
Version 6
Version 5
Version 4
Version 3
Version 2
Version 1
?nderung / modification
05-05-23
05-03-29
04-10-11
04-04-27
04-03-12
03-06-11
02-10-30
Datum / date
Würth Elektronik eiSos GmbH & Co.KG
D-74638 Waldenburg · Max-Eyth-Strasse 1 - 3 · Germany · Telefon (+49) (0) 7942 - 945 - 0 · Telefax (+49) (0) 7942 - 945 - 400
http://www.we-online.com
SEITE 1 VON 3
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PDF描述
744878005 COUPLED INDUCTOR SEPIC/CUK 5.6UH
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相关代理商/技术参数
参数描述
744878005 功能描述:耦合电感 WE-DD Coupled Inductor 7332 RoHS:否 制造商:Bourns 电感 - 并联:10 uH 电感 - 串联:40 uH 容差:20 % 最大直流电流:2.08 A 最大直流电阻:0.0826 Ohms 端接类型:SMD/SMT 工作温度范围:- 40 C to + 105 C 系列:SRF0703 类型:Dual-Winding Shielded Power Inductors
744878006 功能描述:耦合电感 COUPLED INDUCTOR SEPIC/CUK 6.8UH RoHS:否 制造商:Bourns 电感 - 并联:10 uH 电感 - 串联:40 uH 容差:20 % 最大直流电流:2.08 A 最大直流电阻:0.0826 Ohms 端接类型:SMD/SMT 工作温度范围:- 40 C to + 105 C 系列:SRF0703 类型:Dual-Winding Shielded Power Inductors
744878008 功能描述:耦合电感 WE-DD Coupled Inductor 7332 RoHS:否 制造商:Bourns 电感 - 并联:10 uH 电感 - 串联:40 uH 容差:20 % 最大直流电流:2.08 A 最大直流电阻:0.0826 Ohms 端接类型:SMD/SMT 工作温度范围:- 40 C to + 105 C 系列:SRF0703 类型:Dual-Winding Shielded Power Inductors
744878100 功能描述:耦合电感 COUPLED INDUCTOR SEPIC/CUK 10UH RoHS:否 制造商:Bourns 电感 - 并联:10 uH 电感 - 串联:40 uH 容差:20 % 最大直流电流:2.08 A 最大直流电阻:0.0826 Ohms 端接类型:SMD/SMT 工作温度范围:- 40 C to + 105 C 系列:SRF0703 类型:Dual-Winding Shielded Power Inductors
744878101 功能描述:耦合电感 COUPLED INDUCTOR SEPIC/CUK 100UH RoHS:否 制造商:Bourns 电感 - 并联:10 uH 电感 - 串联:40 uH 容差:20 % 最大直流电流:2.08 A 最大直流电阻:0.0826 Ohms 端接类型:SMD/SMT 工作温度范围:- 40 C to + 105 C 系列:SRF0703 类型:Dual-Winding Shielded Power Inductors