Document
Elektronische Bauelemente
SMAJ SERIES
5V ~ 440V 400W Peak Power Surface Mount TVS
RoHS Compliant Product A suffix of “-C” specifies halogen-free and lead-free
FEATURES
For surface mount application Build-in strain relief Excellent clamping capability Low profile package Fast response time: Typically less than 1.0ps from 0 volt to BV min. Typical IR less than 1mA above 10V High temperature soldering guaranteed: 260°C / 10 seconds at terminals
MECHANICAL DATA
Case: Molded Plastic Epoxy: UL 94V-0 rate flame retardant Lead: Solderable per MIL-STD-202,
Method 208 Guaranteed Polarity: Color band denotes cathode end except bidirectional Mounting position: Any Weight: 0.063 grams
SMA
B AC
D
GE F
H
REF.
A B C D
Millimeter Min. Max. 1.25 1.65 3.99 4.60 2.50 2.90
1.98 2.44
REF.
E F G H
Millimeter Min. Max. 0.051 0.203 4.78 5.28 0.76 1.52
0.006 0.012
PACKAGE INFORMATION
Package
MPQ
SMA
5K
LeaderSize 13’ inch
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
(Rating 25°C ambient temperature unless otherwise specified. Single phase half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%.)
Ratings
Symbol
Value
Peak Power Dissipation @ TA=25°C, T P=1ms 1
Peak Forward Surge Current @ 8.3ms single Half Sine-Wave superimposed on rated load (JEDEC method) 2
PPK IFSM
400 (Min.) 40
Maximum Instantaneous Forward voltage @ 25A for unidirectional only
VF 3.5
Operating and Storage Temperature Range
TJ, TSTG
Notes: 1. Non-repetitive current pulse per Fig. 3 and derated above TA=25°C per Fig. 2. 2. 8.3ms single half sine-wave, duty cycle = 4 pulses per minute maximum.
-55 ~ 150
Units W A
V °C
http://www.SeCoSGmbH.com/
26-Jan-2011 Rev. D
Any changes of specification will not be informed individually.
Page 1 of 4
Elektronische Bauelemente
SMAJ SERIES
5V ~ 440V 400W Peak Power Surface Mount TVS
RATINGS AND CHARACTERISTIC CURVES
FIG.1-PEAK PULSE POWER DERATING CURVE
100 Non-Repetitive Pulse Waveform Shown in Fig. 3 TA=25 C
10
PPPM, PEAK PULSE POWER, KW
IPPM, PEAK PULSE CURRENT, %
1.0
5.0mm2COPPER PAD AREAS
0.1 0.1 s
1.0 s
10 s
100 s
td, PULSE WIDTH, sec.
1.0ms
10ms
FIG.3-PULSE WAVE FORM
150
tf=10 s Peak Value IPPM
100
TA=25 C Pulse Width (td) is defined as the point where the Peak Current Decays to 50% of Ipp
50
td 0
0 1.0
Half Value-IPPM 2
10/1000 sec Waveform as Defined by R.E.A.
2.0 t, TIME, ms
e-kt 3.0
4.0
FIG.5-MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT
100
80 TJ=TJmax 8.3ms Single Half Sine-wave JEDEC Method
60
40
CJ, CAPACITANCE, pF
PEAK PULSE POWER(PPP) OR CURRENT(IPP) DERATING IN PERCENTAGE
FIG.2-PULSE DERATING CURVE
100
75
50
25
0 0 25 50 75 100 125 150 175 TA, AMBIENT TEMPERATURE ( C)
10,000 5,000
FIG.4-TYPICAL JUNCTION CAPACITANCE
TJ=25 C f=1.0MHz Vsig=50mVp-p
2,000 1,000
500
Measued at Zero Bias
200
100
50
Measured at Stand-Off
Voltage(VMW)
20
10 1.0
2.0 5.0 10 20
50 100
V(BR), BREAKDOWN VOLTAGE, VOLTS
200
IFSM, PEAK FORWARD SURGE CURRENT, AMPERES
20
1.