Q4008L4 Littelfuse / Teccor Brand Thyristors, Q4008L4 Datasheet - Page 9

• Manufacturer Part Number: Q4008L4
• Description: GATE TRIAC ISOLATED 8.0A 400V
• Manufacturer: Littelfuse / Teccor Brand Thyristors

Specifications of Q4008L4

• Triac Type: Standard
• Mounting Type: Through Hole
• Configuration: Single
• Current - Hold (ih) (max): 50mA
• Voltage - Off State: 400V
• Current - Gate Trigger (igt) (max): 25mA
• Current - Non Rep. Surge 50, 60hz (itsm): 83A, 100A
• Current - On State (it (rms)) (max): 8A
• Voltage - Gate Trigger (vgt) (max): 2.5V
• Package / Case: TO-220-3 Isolated Tab
• Current - On State (it (rms) (max): 8A
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Data Sheets
Figure E2.13 Peak Surge Current versus Surge Current Duration
Figure E2.14 Normalized DC Holding Current versus Case Temperature
©2004 Littelfuse, Inc.
Thyristor Product Catalog
4.0
3.0
2.0
1.0
-65
-40
-15
Case Temperature (T
INITIAL ON-STATE CURRENT
= 200 mA DC 0.8 A - 10 A Devices
= 400 mA DC 15 A - 25 A Devices
1000
400
300
200
120
100
80
60
50
40
30
20
10
1
+25
1
+65
C
) – ˚C
+125
Surge Current Duration – Full Cycles
10
E2 - 9
SUPPLY FREQUENCY: 60 Hz Sinusoidal
LOAD: Resistive
RMS ON-STATE CURRENT [l
Rated Value at Specified Case Temperature
NOTES:
Figure E2.15 Turn-on Time versus Gate Trigger Current (Typical)
1) Gate control may be lost during and
immediately following surge current interval.
2) Overload may not be repeated until
junction temperature has returned to
steady-state rated value.
8
7
6
5
4
3
2
1
0
0
100
Devices with l
25
Devices with l
50
GT
Devices with l
T(RMS)
75
DC Gate Trigger Current (l
= 10 mA
GT
100 125 150 175 200 225 250 275 300
]: Maximum
= 25 mA
GT
= 50 mA
1000
http://www.littelfuse.com
GT
) – mA
T
C
[phone]
= 25 ˚C
Triacs