Q4008LH4 Littelfuse / Teccor Brand Thyristors, Q4008LH4 Datasheet - Page 7

• Manufacturer Part Number: Q4008LH4
• Description: ALTERNISTOR 400V 8AMP TO-220AB
• Manufacturer: Littelfuse / Teccor Brand Thyristors

Specifications of Q4008LH4

• Triac Type: Alternistor - Snubberless
• Mounting Type: Through Hole
• Configuration: Single
• Current - Hold (ih) (max): 35mA
• Voltage - Off State: 400V
• Current - Gate Trigger (igt) (max): 35mA
• Current - Non Rep. Surge 50, 60hz (itsm): 83A, 100A
• Current - On State (it (rms)) (max): 8A
• Voltage - Gate Trigger (vgt) (max): 1.3V
• Package / Case: TO-220-3 Isolated Tab
• Current - On State (it (rms) (max): 8A
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Specifications are subject to change without notice.
Please refer to http://www.littelfuse.com for current information.
©2010 Littelfuse, Inc
Figure 9: Maximum Allowable Ambient Temperature vs. On-State Current
Figure 10: Surge Peak On-State Current vs. Number of Cycles
100
10
1
120
100
80
60
40
20
1
0.0
L/Qxx08Vyy
L/Qxx08Dyy
0.2
0.4
RMS On-State Current (I
0.6
Surge Current Duration- Full Cycles
10
L/Qxx08Vyy
0.8
CURRENT WAVEFORM: Sinusoidal
LOAD: Resistive or Inductive CONDUCTION
ANGLE: 360
FREE AIR RATING - NO HEATSINK
1.0
L/Qxx08Lyy
L/Qxx08Ryy
T(RMS)
L/Qxx08Ryy
L/Qxx08Nyy
L/Qxx08Lyy
1.2
) - Amps
Teccor
Teccor
8 Amp Sensitive, Standard & Alternistor (High Commutation) Triacs
1.4
100
1.6
®
®
Revised: July 29, 2010 12:24 PM
1.8
brand Thyristors
brand Thyristors
81
1000
LOAD: Resistive
RMS On-State Current: [I
Value at Specified Case Temperature
1. Gate control may be lost during and immediately
2. Overload may not be repeated until junction
following surge current interval.
temperature has returned to steady-state
rated value.
Lxx08xx & Qxx08xx & Qxx08xHx Series
T(RMS)