參數(shù)資料
型號(hào): 1SMA78AT3
廠商: MOTOROLA INC
元件分類: 參考電壓二極管
英文描述: Zener Transient Voltage Suppressors
中文描述: 400 W, UNIDIRECTIONAL, SILICON, TVS DIODE
封裝: PLASTIC, CASE 403B-01, SMA, 2 PIN
文件頁數(shù): 4/6頁
文件大?。?/td> 55K
代理商: 1SMA78AT3
1SMA5.0AT3 Series
http://onsemi.com
4
RATING AND TYPICAL CHARACTERISTIC CURVES
T
A
= 25
°
C
PW (I
D
) IS DEFINED AS THE
POINT WHERE THE PEAK CURRENT
DECAYS TO 50% OF I
pp
.
10 s
PEAK VALUE
I
ppm
HALF VALUE I
pp
/2
10/1000 s WAVEFORM
AS DEFINED BY R.E.A.
t
d
120
100
80
60
40
00
1
2
3
4
I
20
5
10
4
100
0.1
1
10
10
1
0.1
t
P
, PULSE WIDTH (ms)
Pp
NONREPETITIVE
PULSE WAVEFORM
SHOWN IN FIGURE 2.
T
A
= 25
°
C
,
0.01
0.001
t, TIME (ms)
120
100
80
60
40
0
0
40
80
120
160
T
A
, AMBIENT TEMPERATURE (
°
C)
P
20
200
P
10 x 1000 WAVEFORM
AS DEFINED BY R.E.A.
10,000
1,000
100
10
1
2
5
10
20
50
100
200
V
(BR)
, BREAKDOWN VOLTAGE (VOLTS)
MEASURED AT
ZERO BIAS
MEASURED AT
STANDOFF
VOLTAGE, V
WM
T
J
= 25
°
C
f = 1 MHz
V
sig
= 50 mV
pp
0
6
T, TEMPERATURE (
°
C)
50
100
150
P
5
4
3
2
0
1
Figure 1. Pulse Rating Curve
Figure 2. Pulse Waveform
Figure 3. Pulse Derating Curve
Figure 4. Typical Junction Capacitance
Figure 5. Steady State Power Derating
C
@ T
L
= 75
°
C
P
D
= 1.5 W
@ T
A
= 25
°
C
P
D
= 0.5 W
25
75
125
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