产品大类：插件电感
产品细分类：三脚贴片升压电感
说明：三脚贴片升压电感可以称为自耦变压器，是只有一个绕组的变压器，当作为降压变压器使用时，从绕组中抽出一部分线匝作为二次绕组;当作为升压变压器使用时，外施电压只加在绕组的—部分线匝上。通常把同时属于一次和二次的那部分绕组称为公共绕组，其余部分称为串联绕组，同容量的自藕变压器与普通变压器相比，不但尺寸小，而且效率高，并且变压器容量越大，电压越高，低成本，可以实现自动化贴片，提高生产效率。
应用：蜂鸣器、报警系统感应器、其他振荡电路。
链接PDF文档：
Wire Wound SMD Power Inductors—VE3W7850 Series
Applications:
●Alarm system.
●Other oscillation circuits.
Features : Product Identification :
●Inductor for buzzers & alarm system. VE3W 7850–12:400
●Low cost. (1) (2) (3)
(1) Type: Peaking coils shape with 3 pin.
(2) Style: Core size 7.8*7.0*5.0mm.
(3) Turns ratio: 15T:100T
Dimensions in (mm)
Item | A | B | C | D | H | I | T |
VE3W7850 | 7.8±0.5 | 7.0±0.5 | 5.0±0.5 | 7.2 | 2.2 | 1.2 | 1.0 |
Characteristics :
●Saturation Current(Isat):The current when the inductance
Becomes 10% lower than is initial value.(Ta=20℃).
●Temperature Rise Current(Irms):The current when the
temperature of coil increases up to max.ΔT=40℃.(Ta=20℃)
●Operating temperature : -30℃～+105℃.
●Storage temperature range (packaging conditions): -5℃～+30℃ and RH 70% (Max.)
Test equipments :
●L&Q: HP 4285A or HP 4284A，VR116/VR7210.
●DCR: Milli-ohm meter，VR131.
●Electrical specifications at 25℃.
Part No. | Trun ratio | L(1—3) | DCR(1—3) |
VE3W7850-12:400uH | 15T:100T | 500uH ±20% | 2.1 Ω MAX |
Supplier Information
Supplier:
Shenzhen Volume Source Electronics Co., Ltd.
Manufacturer:
ShenzhenVolume Source Electronics Co., Ltd.
Manufacturing Address:
No.
4
B,
North
of
Longgang
Science
and
Technology
Industrial
Zone,
Bantian,
Longgang
District,
Shenzhen
TeL:
0755-28906603-812
Fax:0755-28906603-806
E-mail:yhp@volumesz.com.cn
Http://www.volumesz.com.cnM.P:13316585579
Mr.Yu
