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参数资料
| 型号： | SK025L56TP |
| 元件分类： | 晶闸管 |
| 英文描述： | 25 A, 1000 V, SCR, TO-220AB |
| 封装： | ROHS COMPLIANT, PLASTIC, TO-220L, 3 PIN |
| 文件页数： | 4/9页 |
| 文件大小： | 972K |
| 代理商： | SK025L56TP |
272
Revised: November 1, 2010 05:04 PM
2010 Littelfuse, Inc
Teccor brand Thyristors
Specifications are subject to change without notice.
Please refer to http://www.littelfuse.com for current information.
20 / 25 Amp Standard SCRs
Sxx20x & Sxx25x Series
Figure 3: Normalized DC Holding Current
vs. Junction Temperature
Figure 4: On-State Current vs. On-State
Voltage (Typical)
125
0.0
0.5
1.0
1.5
2.0
-40
-1510356085110
Junction Temperature (T
J) – (C)
Ratio
of
I H
/
I H
(T
J
=
25C)
T
J = 25°C
0
10
20
30
40
50
60
70
80
90
0.70.8
0.91.0
1.11.2
1.31.4
1.51.6
Sxx25L
Sxx25R
Sxx25N
Sxx20L
Instantaneous On-state Voltage (v
T) – Volts
Intantaneous
On-stat
eCu
rr
ent
(i
T)
–
Amp
s
Figure 5: Power Dissipation (Typical)
vs. RMS On-State Current
Figure 6: Maximum Allowable Case Temperature
vs. RMS On-State Current
0
2
4
6
8
10
12
14
16
18
20
22
05
10
15
20
25
Sxx25L
Sxx25R
Sxx25N
Sxx20L
RMS On-State Current [I
T(RMS)] - (Amps)
Av
er
ag
eOn-Sta
te
Po
we
rDissipatio
n
[P
D(
AV
)]
-(W
at
ts
)
70
75
80
85
90
95
100
105
110
115
120
125
130
05
10
15
20
25
30
CURRENT WAVEFORM: Sinusoidal
LOAD: Resistive or Inductive
CONDUCTION ANGLE: 180°
Sxx25R
Sxx25N
Sxx20L
Sxx25L
RMS On-State Current [I
T(RMS)] - Amps
Maximum
Allo
wa
ble
Case
Temper
at
ur
e(T
C)
-
°C
Figure 7: Maximum Allowable Case Temperature
vs. Average On-State Current
Figure 8: Maximum Allowable Ambient Temperature
vs. RMS On-State Current
70
75
80
85
90
95
100
105
110
115
120
125
130
02
46
81012141618
CURRENT WAVEFORM: Sinusoidal
LOAD: Resistive or Inductive
CONDUCTION ANGLE: 180°
Sxx20L
Sxx25L
Sxx25R
Sxx25N
Average On-State Current [I
T(AVE)] - Amps
Maximum
Allo
w
able
Case
Te
mper
at
ur
e(T
C)
-
°C
0
20
40
60
80
100
120
0.0
0.5
1.01.5
2.0
2.5
CURRENT WAVEFORM: Sinusoidal
LOAD: Resistive or Inductive
CONDUCTION ANGLE: 180°
FREE AIR RATING
Sxx20L
Sxx25L
Sxx25N
Sxx25R
RMS On-State Current [I
T(RMS)] - Amps
Maximum
All
ow
able
Ambient
Temper
at
ur
e(T
A)
-
C
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|---|---|
| SK025L56 | 25 A, 1000 V, SCR, TO-220AB |
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| SK025R56 | 25 A, 1000 V, SCR, TO-220AB |
| SK025RTP | 25 A, 1000 V, SCR, TO-220AB |
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