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參數(shù)資料
| 型號(hào)： | 5KP45/64 |
| 廠商： | VISHAY SEMICONDUCTORS |
| 元件分類(lèi)： | TVS二極管 - 瞬態(tài)電壓抑制 |
| 英文描述： | 5000 W, UNIDIRECTIONAL, SILICON, TVS DIODE |
| 封裝： | PLASTIC, CASE P600, 2 PIN |
| 文件頁(yè)數(shù)： | 4/6頁(yè) |
| 文件大?。?/td> | 108K |
| 代理商： | 5KP45/64 |
www.vishay.com
4
Document Number 88308
Rev. 1.2, 27-Oct-04
5KP5.0 thru 5KP188A
Vishay Semiconductors
formerly General Semiconductor
Application
The 5KP series of high power transient voltage sup-
pressors were designed to be used on the output of
switching power supplies. These devices may be
used to replace crowbar circuits. Both the 5 and 10
percent voltage tolerances are referenced to the
power supply output voltage level.
They are able to withstand high levels of peak current
while allowing a circuit breaker to trip or a fuse blow
before shorting. This will enable the user to reset the
breaker or replace the fuse and continue operation.
For this type operation, it is recommended that a suf-
ficient mounting surface be used for dissipating the
heat generated by the Transient Voltage Suppressor
during the transient or over-voltage condition.
Ratings and Characteristics Curves
(TA = 25 °C unless otherwise specified)
Figure 1. Peak Pulse Power Rating Curve
Figure 2. Pulse Power Derating Curve
0.1
s 1.0s
10
s
100
s
1.0ms
10ms
0.1
1.0
10
100
Non-repetitive pulse
waveform shown in
Fig. 3 TA =25
°C
td, Pulse Width
P
PPM
,
Peak
Pulse
Power
(kW)
0
50
100
150
200
0
25
50
75
100
25
75
125
175
TA - Ambient Temperature (
°C)
P
eak
Pulse
P
o
w
e
r
(P
PP
)
o
r
Current
(I
PP
)
Der
ating
in
P
ercentage
,
%
Figure 3. Pulse Waveform
Figure 4. Typical Junction Capacitance
0
50
100
150
I PPM
-
P
eak
Pulse
Current,
%
I RSM
TJ =25
°C
Pulse Width (td)
is defined as the point
where the peak current
decays to 50 % of IPPM
tr=10
sec.
Peak Value
IPPM
Half Value - IPP
IPPM
2
td
10/1000
sec. Waveform
as defined by R.E.A.
0
1.0
2.0
3.0
4.0
t - Time (ms)
1
10
100
200
100
1,000
10,000
100,000
VWM - Reverse Stand-off Voltage (V)
C
J
,
Junction
Capacitance
(pF)
TJ =25
°C
f=1MHz
Vsig = 50 m Vp-p
Measured at
Zero Bias
Measured at
Stand-off Voltage,
VWM
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