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参数资料
| 型号： | SCRN213R-F |
| 厂商： | Cornell Dubilier Electronics (CDE) |
| 文件页数： | 3/4页 |
| 文件大小： | 0K |
| 描述： | CAP FILM 5UF 400VAC SCREW |
| 标准包装： | 100 |
| 系列： | SCR |
| 电容： | 5.0µF |
| 额定电压 - AC： | 400Vpk |
| 电介质材料： | 纸，金属化 |
| 容差： | ±10% |
| 工作温度： | -40°C ~ 65°C |
| 安装类型： | 底座安装 |
| 封装/外壳： | 径向，Can - 螺丝端子 |
| 尺寸/尺寸： | 2.160" L x 1.310" W（54.86mm x 33.27mm） |
| 高度 - 座高（最大）： | 3.940"（100.08mm） |
| 端子： | 螺钉端子 |
| 引线间隔： | 0.810"（20.57mm） |
| 特点： | 高频和高稳定性 |
| 包装： | 散装 |
Type SCR, Commutating Capacitors
Type SCRN Film-Paper/Extended Foil Commutating Capacitor
Application Guide
How to Choose a Commutating Capacitor
1 . From circuit analysis or measurement, determine application values
for these six parameters:
Nominal capacitance in μF
Current pulse width in μs
Current pulse period in μs
Maximum peak voltage
Continuous AC voltage in Vrms
Maximum volt-amps (VA)
2. Choose a capacitor from the ratings table of the desired nominal
capacitance with a peak voltage rating no less than your maximum
peak voltage.
Using Volt-Ampere Ratings
3. Check that your application’s rms current is no more than the capacitor’s
Max. Amps RMS. You can calculate the current from your Vrms using the
equations in the following section.
4. Check that your application’s volt-amperes is not more than the
capacitor’s VA capability. The VA capability is the max VA rating times
the Volt-Ampere multiplier from Figure 2 (Current Pulse Width) and that
times the Volt-Ampere Multiplier from Figure 3 (Ambient Temperature).
See the following section for more on using volt-ampere multipliers.
If you need a greater VA capability, repeat these steps for a higher peak
voltage capacitor or consider connecting units in parallel to divide the
VA required. For up to peak voltage of 600 V, you may also consider
polypropylene film dielectric units, Catalog Numbers SCRN262R through
SCRN266R, with higher VA capability.
Pulse Wave Applications
The capacitors maximum VA rating is the maximum product of the
sine wave voltage and current that may be applied at 65 oC without
overheating the capacitor and reducing its expected life. For other
temperatures and pulsed current, use the multipliers of Figures 2 and 3
to derate the Max VA rating.
ΔV
T
V peak
Voltage
The Max Amps RMS rating is set by the capability of the capacitor
terminals. Exceeding this limit can damage the terminals and cause
capacitor failure.
Calculate the capacitor’s actual VA load as the product of the rms voltage
across the capacitor and the rms current through the capacitor. To
calculate rms current for an applied sine wave or squarewave voltage,
use these equations.
I peak
Current
Figure 1
For a sinewave voltage the current is:
Irms = 2 π fCVrmsX10 -6
and for a squarewave the current is:
Irms = C ? V/[0.64(tT) 0.5 ] = Ipeak(t/T) 0.5
where (f ) is repetition frequency in Hz, C is nominal capacitance in μF, ?V
the peak-to-peak squarewave amplitude in volts, (t) is the pulse width in
μs and T is the pulse period in μs.
The peak current for the square wave voltage is:
Ipeak = C?V/0.64t
CDE Cornell Dubilier ? 1605 E. Rodney French Blvd. ? New Bedford, MA 02744 ? Phone: (508)996-8561 ? Fax: (508)996-3830
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SCRN214R-F | 制造商:CDE 制造商全称:Cornell Dubilier Electronics 功能描述:Commutating Capacitors Film-Paper/Extended Foil Commutating Capacitor |
| SCRN215R-F | 制造商:CDE 制造商全称:Cornell Dubilier Electronics 功能描述:Commutating Capacitors Film-Paper/Extended Foil Commutating Capacitor |
| SCRN216R-F | 功能描述:薄膜电容器 20uF 400V Case C RoHS:否 制造商:Cornell Dubilier 产品类型: 电介质:Polyester 电容:0.047 uF 容差:10 % 电压额定值:100 V 系列:225P 工作温度范围:- 55 C to + 85 C 端接类型:Radial 引线间隔:9.5 mm |
| SCRN217R-F | 功能描述:薄膜电容器 30uF 400V Case D RoHS:否 制造商:Cornell Dubilier 产品类型: 电介质:Polyester 电容:0.047 uF 容差:10 % 电压额定值:100 V 系列:225P 工作温度范围:- 55 C to + 85 C 端接类型:Radial 引线间隔:9.5 mm |
| SCRN218R-F | 功能描述:薄膜电容器 40UF 400V RoHS:否 制造商:Cornell Dubilier 产品类型: 电介质:Polyester 电容:0.047 uF 容差:10 % 电压额定值:100 V 系列:225P 工作温度范围:- 55 C to + 85 C 端接类型:Radial 引线间隔:9.5 mm |
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