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参数资料
| 型号： | MMQA18VT3G |
| 厂商： | ON SEMICONDUCTOR |
| 元件分类： | TVS二极管 - 瞬态电压抑制 |
| 英文描述： | 150 W, UNIDIRECTIONAL, 4 ELEMENT, SILICON, TVS DIODE |
| 封装： | LEAD FREE, PLASTIC, CASE 318F-05, SC-74, 6 PIN |
| 文件页数： | 4/6页 |
| 文件大小： | 69K |
| 代理商： | MMQA18VT3G |
MMQA5V6T1 Series
http://onsemi.com
4
TYPICAL CHARACTERISTICS
Figure 3. Steady State Power Derating Curve
Figure 4. Pulse Derating Curve
0
25
50
75
100
125
150
175
300
250
200
150
100
50
0
P D
,POWER
DISSIP
ATION
(mW)
TA, AMBIENT TEMPERATURE (°C)
FR-5 BOARD
ALUMINA SUBSTRATE
100
90
80
70
60
50
40
30
20
10
00
25
50
75
100
125
150
175
200
TA, AMBIENT TEMPERATURE (°C)
PEAK
PULSE
DERA
TING
IN
%
OF
PEAK
POWER
OR
CURRENT
@
T A
=25
C°
Figure 5. 10
× 1000 ms Pulse Waveform
VALUE
(%)
100
50
0
123
4
t, TIME (ms)
tr
tP
PULSE WIDTH (tP) IS DEFINED
AS THAT POINT WHERE THE
PEAK CURRENT DECAYS TO 50%
OF IRSM.
tr ≤ 10 ms
HALF VALUE
IRSM
2
PEAK VALUEIRSM
Figure 6. 8
× 20 ms Pulse Waveform
Figure 7. Maximum NonRepetitive Surge
Power, Ppk versus PW
Figure 8. Typical Maximum NonRepetitive
Surge Power, Ppk versus VBR
Ppk
PEAK
SURGE
POWER
(W)
0.1
1.0
10
100
1000
1.0
10
100
Power is defined as VRSM x IZ(pk) where VRSM is the clamping voltage at IZ(pk).
PW, PULSE WIDTH (ms)
UNIDIRECTIONAL
RECTANGULAR
WAVEFORM, TA = 25°C
100
90
80
70
60
50
40
30
20
10
0
020
40
60
80
t, TIME (ms)
%
OF
PEAK
PULSE
CURRENT
200
180
160
140
120
100
80
60
40
20
0
5.6
6.8
12
20
33
NOMINAL VZ
P
tP
tr
PULSE WIDTH (tP) IS DEFINED
AS THAT POINT WHERE THE
PEAK CURRENT DECAY = 8 ms
PEAK VALUE IRSM @ 8 ms
HALF VALUE IRSM/2 @ 20 ms
27
,PEAK
SURGE
POWER
(W)
PK
8 × 20 WAVEFORM AS PER FIGURE 6
10 × 100 WAVEFORM AS PER FIGURE 5
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相关代理商/技术参数 |
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| MMQA20V | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Direct ProTek Replacement:SMS15 |Alternative ProTek Replacement:PSMS24 |
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| MMQA20VT1 | 功能描述:TVS二极管阵列 20V 150W TVS Quad RoHS:否 制造商:Littelfuse 极性: 通道:4 Channels 击穿电压: 钳位电压:11.5 V 工作电压:2.5 V 峰值浪涌电流:20 A 安装风格:SMD/SMT 端接类型:SMD/SMT 系列: 最小工作温度:- 40 C 最大工作温度:+ 85 C |
| MMQA20VT1G | 功能描述:TVS二极管阵列 MI SC74 TVS QUAD 20V TR RoHS:否 制造商:Littelfuse 极性: 通道:4 Channels 击穿电压: 钳位电压:11.5 V 工作电压:2.5 V 峰值浪涌电流:20 A 安装风格:SMD/SMT 端接类型:SMD/SMT 系列: 最小工作温度:- 40 C 最大工作温度:+ 85 C |
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