Littelfuse Q2L Series 3.3x3.3 QFN - Manual (Page 2)

SIDACtor
® Protection Thyristors

Revised: January 7, 2013
© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com for current information.
Broadband Optimized ™ Protection
Q2L Series - 3.3x3.3 QFN
Surge Ratings
Package Symbol Parameter Value Unit
3.3 x 3.3 QFN T
J
Operating Junction Temperature Range -40 to +150 °C
T
S
Storage Temperature Range -65 to +150 °C
R
0JA
Thermal Resistance: Junction to Ambient 120 °C/W
Thermal Considerations
I H
I
T
I
S
I DRM
V DRM V
T
+V -V
+I
-I
V S
50
100
0
t
r
t
d
0
Peak
Value
Half Value
t – Time (μs)
I PP
– P
eak Pulse Current – %I
PP
t
r
= rise time to peak value
t
d
= decay time to half value
Waveform = t
r x t d
V-I Characteristics t
r
x t
d
Pulse Waveform
-8
-40 -20 0 20 40 60 80 100 120 140 160
-6
-4
0
2
4
6
8
10
12
14
Junction Temperature (T
J
) – °C
P
ercent of
V
S
Change – % 25 °C
25°C
Case Temperature (T
C
) - ºC
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
-40 -20 0 20 40 60 80 100 120 140 160
R
atio of
I H
I H
(T
C
= 2
5ºC)
Normalized V
S
Change vs. Junction Temperature Normalized DC Holding Current vs. Case Temperature
S
eries
I
TSM
50/60 Hz
di/dt
2x10 1
2x10 2
8x20 1
1.2x50 2
10x160 1
10x160 2
10x560 1
10x560 2
10x1000 1
10x1000 2
5x310 1
10x700 2
A min A min A min A min A min A min A min A/μs max
C 500 400 200 150 100 200 3 30 500
Notes:
1 Current waveform in μs
2 Voltage waveform in μs
3 for surge rating of P4500Q22CLRP 10x700μs min=150A & typical=180A
- Peak pulse current rating (I
PP
) is repetitive and guaranteed for the life of the product.
- I
PP
ratings applicable over temperature range of -40ºC to +85ºC
- The device must initially be in thermal equilibrium with -40°C < T
J
< +150°C