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參數(shù)資料
| 型號： | ST-40RP |
| 元件分類： | 晶閘管 |
| 英文描述： | 45 V, DIAC, DO-214 |
| 封裝： | ROHS COMPLIANT PACKAGE-2 |
| 文件頁數(shù)： | 4/8頁 |
| 文件大?。?/td> | 250K |
| 代理商： | ST-40RP |
340
Revised: July 9, 2008
2008 Littelfuse, Inc.
Teccor
brand Thyristors
Standard Bidirectional DIAC Trigger
Please refer to http://www.littelfuse.com for current information.
Specifications are subject to change without notice.
HTxxx & HTMxxx & STxxx Series
Figure 6: Circuit Used to Measure DIAC
Characteristics (Refer to Figure 4)
Figure 7: Peak Output Current vs. Triggering
Capacitance (Per Figure 5 with R
L
of 20
Ω
)
120 V rms
60 Hz
47 k
D.U.T.
R
L
20
1%
V
C
100 k
*
C
T
I
L
0.1 μF
*
Adjust for one firing in each half cycle. D.U.T. = Diac
Triggering Capacitance (C
T
) – μF
P
P
)
0
5
0
100
1
5
0
200
2
5
0
300
.01
.02
.03
.04
.0
5
.06
.07
.08
.09
.10
Typical (3
5
V Device)
Soldering Parameters
Reflow Condition
Pb – Free assembly
Pre Heat
- Temperature Min (T
s(min)
)
- Temperature Max (T
s(max)
)
- Time (min to max) (t
s
)
Average ramp up rate (Liquidus Temp
(T
L
) to peak
T
S(max)
to T
L
- Ramp-up Rate
- Temperature (T
L
) (Liquidus)
- Time (min to max) (t
s
)
Peak Temperature (T
P
)
Time within 5°C of actual peak
Temperature (t
p
)
Ramp-down Rate
150°C
200°C
60 – 190 secs
5°C/second max
5°C/second max
Reflow
217°C
60 – 150 seconds
260 °C
20 – 40 seconds
5°C/second max
Time 25°C to peak Temperature (T
P
)
Do not exceed
8 minutes Max.
280°C
Time
T
T
P
T
L
T
S(max)
T
S(min)
25
t
P
t
L
t
S
time to peak temperature
Preheat
Ramp-up
Ramp-down
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