JIEJIE MICROELECTRONICS CO. , Ltd
TEL
：+86-513-83639777 - 1 / 4 -
http://www.jjwdz.com
SMBJ3.3A 600W Transient Voltage Suppressor
Rev.2.3
FEATURES:
Planar technology.
Halogen-free and RoHS compliant.
Stand-off voltage: 3.3V.
600W peak pulse power capability at 10/1000μs waveform.
Meets MSL level 1, per J-STD-020, LF maximum peak of 260℃.
Terminal: solder plated, solderable per J-STD-002.
Excellent clamping capability.
Fast response time.
IEC61000-4-2 (ESD) ±30kV (air), ±30kV (contact).
ABSOLUTEMAXIMUMRATINGS(T
A
=25ºC, RH=45%-75%, unless otherwise noted)
Parameter Symbol Value Unit
Storage operating junction temperature
range
T
STG
/T
J
-55 to +150 ℃
Steady state power dissipation at T
L
=75℃ P
M(AV)
5.0 W
Peak pulse power dissipation at 10/1000μs
waveform
P
PP
600 W
MARKING
U03A : Device Marking Code
1409: In ninth week, 2014
1409
U03A
1409
ELECTRICALCHARACTERISTICS(T
A
=25℃)
Part
Number
V
R
I
R
@V
R
V
BR
@I
T
I
T
V
C
@I
PP
I
PP
①
C
O
②
Marking
V μA(max) V(min) mA V(max) A(max) pF(typ.)
SMBJ3.3A 3.3 100 4.1 1 8 75 4100 U03A
①Surge waveform: 10/1000μs
②C
O
is measured at: V
bias
=0V, V
RMS
=0.1V, f=1MHz
V
R
: Stand-off voltage -- Maximum voltage that can be applied
V
BR
: Breakdown voltage
V
C
: Clamping voltage -- Peak voltage measured across the suppressor at a specified I
PP
SMB
Symbol
600W /SMBJ3.3A��� JieJie Microelectronics CO. , Ltd
TEL：+86-513-83639777 - 2 / 4 - http://www.jjwdz.com
I
R
: Reverse leakage current
ORDERINGINFORMATION
RATINGSANDV‐ICHARACTERISTICSCURVES (T
A
=25ºC, unless otherwise noted)
FIG.1:V- I curve characteristics
(Uni-directional)
IPP
VC
VBR
VR
VF
V
I
I
F
IR
IT
FIG.2: Pulse waveform
IPPM(%IRSM)
0
100
50
0 1.0 2.0 3.0 4.0
Peak value
150
Half value
tr=10μs
td
tr = rise time to peak value
td = decay time to half value
t(ms)
FIG.3: Pulse derating curve
PPP derating in percentage(%)
0
20
0 25 50 75 100 125 150 175
100
T
J(℃)
40
60
80