S4012R Littelfuse Inc, S4012R Datasheet - Page 11

• Manufacturer Part Number: S4012R
• Description: SCR THYRISTOR, 12A, 400V, TO-220AB
• Manufacturer: Littelfuse Inc

Specifications of S4012R

• Peak Repetitive Off-state Voltage, Vdrm: 400V
• Gate Trigger Current Max, Igt: 0.02mA
• Current It Av: 12A
• On State Rms Current It(rms): 12A
• Peak Non Rep Surge Current Itsm 50hz: 100A
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Data Sheets
Figure E6.23 Peak Surge Current versus Surge Current Duration
Figure E6.24 Power Dissipation (Typical) versus RMS On-state Current
©2004 Littelfuse, Inc.
Thyristor Product Catalog
(1 A)
0.6
1.0
0.8
0.4
0.2
0
RMS On-state Current [I
0
CURRENT WAVEFORM: Half Sine Wave
LOAD: Resistive or Inductive
CONDUCTION ANGLE: 180˚
0.2
1000
100
200
800
600
500
400
300
80
60
40
30
20
10
50
8
4
6
5
2
3
1.0 A Devices
1
0.4
1
Notes:
1) Gate control may be lost during and
2) Overload may not be repeated until
0.6
steady-state rated value.
immediately following surge current
interval.
junction temperature has returned to
2
0.8
T(RMS)
3
1.0
] – Amps
4
5
Surge Current Duration – Full Cycles
6 7 8 10
E6 - 11
20 30 40 60 80100
Figure E6.25 Power Dissipation (Typical) versus RMS On-state Current
SUPPLY FREQUENCY: 60 Hz Sinusoidal
LOAD: Resistive
RMS ON-STATE CURRENT: [I T(RMS) ]: Max-
Rated Value at Specified Case Temperature
(6 A through 20 A)
18
16
14
12
10
8
6
4
2
0
0
CURRENT WAVEFORM: Half Sine Wave
LOAD: Resistive or Inductive
CONDUCTION ANGLE: 180˚
2
200 300400 600 1000
RMS On-state Current [I
4
6 A to 10 A Devices
6
12 A Devices
8
15 A to 20 A Devices
10
12
T(RMS)
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14
] – Amps
16
[phone]
18
20
SCRs