参数资料
| 型号： | V2F118A400Y2EDP |
| 厂商： | AVX Corporation |
| 文件页数： | 7/8页 |
| 文件大小： | 0K |
| 描述： | VARISTOR CAP FEEDTHRU 18V 0805 |
| 产品培训模块： | TransGuard™ Transient Protection Components TransGuard® Sub pF Varistors |
| 产品目录绘图： | V2F Series Top V2F Series Bottom |
| 标准包装： | 1 |
| 系列： | TransFeed |
| 电压 - 工作： | 18V |
| 电压 - 箝位： | 42V |
| 技术： | TVS，带馈通电容器 |
| 电路数： | 1 |
| 应用： | 电信 |
| 封装/外壳： | 0805（2012 公制） |
| 供应商设备封装： | 805 |
| 包装： | 标准包装 |
| 产品目录页面： | 2364 (CN2011-ZH PDF) |
| 其它名称： | 478-2485-6 |
TransFeed
AVX Multilayer Ceramic Transient Voltage Suppressors
TVS Protection and EMI Attenuation in a Single Chip
PERFORMANCE CHARACTERISTICS
FEEDTHRU VARISTORS
AVX Multilayer Feedthru Varistors (MLVF) are an ideal choice
for system designers with transient strike and broadband
EMI/RFI concerns.
Feedthru Varistors utilize a ZnO varistor material and the
electrode pattern of a feedthru capacitor. This combination
allows the package advantage of the feedthru and material
advantages of the ZnO dielectric to be optimized.
ZnO MLV Feedthrus exhibit electrical and physical advantages
over standard ZnO MLVs. Among them are:
1. Faster Turn on Time
2. Broadband EMI attenuation
3. Small size (relative to discrete MLV and EMI filter schemes)
Discrete MLV Model
The electrical model for a ZnO MLV and a ZnO Feedthru MLV
are shown below. The key difference in the model for
the Feedthru is a transformation in parallel to series induc-
tance. The added series inductance helps lower the injected
transient peak current (by 2πfL) resulting in an additional ben-
efit of a lower clamping voltage. The lowered parallel induc-
tance decreases the turn on time for the varistor to <250ps.
Discrete MLVF Model
PCB
Trace
R V
L P
C
R P
To Device
Requiring
Protection
L S
Solder Pad
R V
C
L S
R P
To Device
Requiring
Protection
Solder Pad
Ron
Ron
Solder Pad
L P
Solder Pad
Where: R v
R p
=
≥
Voltage Variable resistance
(per VI curve)
10 12 Ω
Where: R v
R p
=
=
Voltage Variable resistance
(per VI curve)
Body IR
C =
R on =
defined by voltage rating and energy level
turn on resistance
C
R on
=
=
defined by voltage rating and energy level
turn on resistance
L p
=
parallel body inductance
L p
=
minimized parallel body inductance
74
L s
=
series body inductance
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相关代理商/技术参数 |
参数描述 |
|---|---|
| V2F118A400Y2EDX | 功能描述:压敏电阻 40CV 750MA 0805 RoHS:否 制造商:EPCOS 产品:MLV 电压额定值 DC:22 V 电压额定值 AC:17 V 钳位电压:50 V 直径: 峰值浪涌电流:30 A 浪涌能量额定值:75 mJ 电容:74.2 pF 工作温度范围:- 55 C to + 125 C 安装:SMD/SMT 封装:Reel |
| V2F118A400Y2ERP | 功能描述:压敏电阻 18VDC .1J 40V RoHS:否 制造商:EPCOS 产品:MLV 电压额定值 DC:22 V 电压额定值 AC:17 V 钳位电压:50 V 直径: 峰值浪涌电流:30 A 浪涌能量额定值:75 mJ 电容:74.2 pF 工作温度范围:- 55 C to + 125 C 安装:SMD/SMT 封装:Reel |
| V2F118A400Y2ETP | 功能描述:压敏电阻 18 VDC 42v 200pF .1 J RoHS:否 制造商:EPCOS 产品:MLV 电压额定值 DC:22 V 电压额定值 AC:17 V 钳位电压:50 V 直径: 峰值浪涌电流:30 A 浪涌能量额定值:75 mJ 电容:74.2 pF 工作温度范围:- 55 C to + 125 C 安装:SMD/SMT 封装:Reel |
| V2F118C400Y1F | 制造商:AVX 制造商全称:AVX Corporation 功能描述:AVX Multilayer Ceramic Transient Voltage Suppressors TVS Protection and EMI Attenuation in a Single Chip |
| V2F118C400Y1FDP | 功能描述:压敏电阻 18volt 0.3joules RoHS:否 制造商:EPCOS 产品:MLV 电压额定值 DC:22 V 电压额定值 AC:17 V 钳位电压:50 V 直径: 峰值浪涌电流:30 A 浪涌能量额定值:75 mJ 电容:74.2 pF 工作温度范围:- 55 C to + 125 C 安装:SMD/SMT 封装:Reel |
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