Datasheet > N1449QL220

N1449QL220

更新时间： 2024-04-18 10:34:12

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描述
Littelfuse提供业界最全面的标准相位控制晶闸管系列之一。器件电压范围在400V至6500V，适合用于线电压230V至1000V以上的应用（电压更高的应用现可使用我们的中压晶闸管系列）。

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N1449QL220 数据手册

Wespack Phase Control Thyristor Types N1449QL200 to N1449QL220

Notes on Ratings and Characteristics

1.0 Voltage Grade Table

V_DRMV_DSMV_RRM

V_RSM

2100

2300

V_DV_R

DC V

1250

1350

Voltage Grade

2000

2200

2.0 Extension of Voltage Grades

This report is applicable to other voltage grades when supply has been agreed by Sales/Production.

3.0 De-rating Factor

A blocking voltage de-rating factor of 0.13%/°C is applicable to this device for T_jbelow 25°C.

4.0 Repetitive dv/dt

Standard dv/dt is 1000V/µs.

5.0 Snubber Components

When selecting snubber components, care must be taken not to use excessively large values of snubber

capacitor or excessively small values of snubber resistor. Such excessive component values may lead to

device damage due to the large resultant values of snubber discharge current. If required, please consult

the factory for assistance.

6.0 Rate of rise of on-state current

The maximum un-primed rate of rise of on-state current must not exceed 400A/µs at any time during

turn-on on a non-repetitive basis. For repetitive performance, the on-state rate of rise of current must not

exceed 200A/µs at any time during turn-on. Note that these values of rate of rise of current apply to the

total device current including that from any local snubber network.

7.0 Gate Drive

The nominal requirement for a typical gate drive is illustrated below. An open circuit voltage of at least

30V is assumed. This gate drive must be applied when using the full di/dt capability of the device.

I_GM

4A/µs

I_G

t_p1

The magnitude of I_GMshould be between five and ten times I_GT, which is shown on page 2. Its duration

(t_p1) should be 20µs or sufficient to allow the anode current to reach ten times I_L, whichever is greater.

Otherwise, an increase in pulse current could be needed to supply the necessary charge to trigger. The

‘back-porch’ current I_Gshould remain flowing for the same duration as the anode current and have a

magnitude in the order of 1.5 times I_GT.

Data Sheet. Types N1449QL200 to N1449QL220 Issue 1

Page 3 of 12

February, 2012

1 234 5 6 7...13

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