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

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
Dimensions
Inches Millimeters
Min Max Min Max
" 0.126 0.134 3.200 3.400
# 0.126 0.134 3.200 3.400
C 0.075 0.083 1.900 2.100
E 0.011 0.019 0.285 0.485
F 0.088 0.096 2.230 2.430
H 0.035 0.043 0.900 1.100
J 0.000 0.008 0.000 0.200
, 0.004 0.012 0.100 0.300
, 0.004 0.012 0.100 0.300
M1 0.063 0.071 1.610 1.810
M2 0.045 0.053 1.153 1.353
N1 0.095 0.103 2.420 2.620
N2 0.082 0.090 2.080 2.280
2.54
(.100”)
H
1.50
(.059”)
1.27
(.050”)
K1
N2
N1
END VIEW SIDE VIEW
M2
M1
K2
F
E
C
J
B
A
TOP VIEW
BOTTOM VIEW
Recommended
Soldering Pad Outline
(Reference Only)
Dimensions — 3.3x3.3 QFN
Soldering Parameters
Physical Specifications
Environmental Specifications
Lead Material $PQQFS
"MMPZ
Terminal Finish 
.BUUF5JO
1MBUFE
Body Material
6-
SFDPHOJ[FE
FQPYZ
NFFUJOH
nBNNBCJMJUZ

DMBTTJmDBUJPO
7
High Temp Voltage
Blocking

3BUFE
7
DRM
(V
"$

1FBL

¡$
PS
¡$



PS

IST

.*-45%
.FUIPE



+&%&$

+&4%"
Temp Cycling
¡$
UP
¡$


NJO
EXFMM


VQ
UP


DZDMFT

.*-45%
.FUIPE


&*"+&%&$


+&4%"
Biased Temp &
Humidity 52 V
DC

¡$

3)


VQ
UP

IST

&*"
+&%&$

+&4%"
High Temp Storage
¡$

IST

.*-45%
.FUIPE



+&%&$

+&4%"
Low Temp Storage ¡$


IST
Thermal Shock
¡$
UP
¡$


NJO
EXFMM


TFD
USBOTGFS



DZDMFT

.*-45%
.FUIPE


+&%&$


+&4%"
Resistance to Solder
Heat
¡$


TFDT

.*-45%
.FUIPE

Moisture Sensitivity
Level 3)

¡$


IST


SFnPX
DZDMFT

¡$
1FBL


+&%&$+45%

-FWFM

Reflow Condition
1C'SFF
BTTFNCMZ

TFF
'JH

Pre Heat
- Temperature Min (T
s(min)
) ¡$
- Temperature Max (T
s(max)
) ¡$
- Time (Min to Max) (t
s
) 
TFDT
Average ramp up rate (Liquidus Temp (T
L
)
to peak)
¡$TFD
.BY
T
S(max)
to T
L
- Ramp-up Rate ¡$TFD
.BY
Reflow
- Temperature (T
L
) (Liquidus) ¡$
- Temperature (t
L
) 
TFDT
Peak Temp (T
P
)  
¡$
Time within 5°C of actual Peak Temp (t
p
) 
TFDT
.BY
Ramp-down Rate ¡$TFD
.BY
Time 25°C to Peak Temp (T
P
) 
NJO
.BY
Do not exceed ¡$
Time
T
emper
at
ur
e
T
P
T
L
T
S(max)
T
S(min)
25
t
P
t
L
t
S
time to peak temperature
(t 25ºC to peak)
Ramp-down
Ramp-up
Preheat
Critical Zone
T L to T P
Figure 1