SMF5.0A
THRU
SMF220CA
Surface Mount Transient Voltage
Suppressor Power 200 Watts Stand-Off Voltage: 5.0V -220V
FEATURES
• For surface mounted applications in order to
optimize board space.
• Low profile package
• Glass passivated junction
• Low inductance
• Plastic package has Underwriters Laboratory
Flammability
MECHANICAL DATA
•
Case: SOD-123FL
•
Terminals: Solderable per MIL-STD-750, Method 2026
•
Approx. Weight:15mg 0.00048oz
Top View
Simplified outline SOD-123F(L) and symbol
Bipolar
1
2
Unipolar
P INNING
PIN
1
2
DESCRIPTION
Cathode
Anode
Maximum Ratings and Electrical characteristics
Ratings at 25 C ambient temperature unless otherwise specified.
Parameter
Peak Pulse Power Dissipation on TA=2 5 C (Note 1,2,5, Fig1)
Peak Forward Surge Current (Note 3)
Symbol
P
PPM
I
FSM
(UNI)
Value
200
20
1.66
Unit
W
A
A
2
/Sec
Typical Current Squarad Time
Peak Pulse Current on 10/1000 us waveform (Note 1 ) Fig 2
Steady State Power Dissipation (Note 4)
Operating Junction and Storage Range
Typical Thermal Resistance
I
2
t
I
PPM
see Table 1
1
-55 to +150
180
A
W
C
C
2016-10
REV: A1
P
M(AV)
T
J,
T
STG
R
JA
NOTES
1. Non-repetitive current pulse per Fig 3 and derated above T
A
=25 C per Fig 2
2. Mounted on 5mm
2
copper pads to each terminal
3. 8.3ms single half sinewave, or equivalent square wave duty cycle=4 pulses per minutes maximum
4. lead temperature at T
L
=75 C
5. Peak pulse powe. waveform is tp=10/1000us
6. A transient suppressor is selected according to the working peak reverse voltage(V
RWM
), Which Should be
equal to or greater than the DC or continuous peak operating voltage level
RATING AND CHARACTERISTICS CURVES ( SMF5.0A THRU SMF220CA )
F ig.1 Peak Pulse Power Rating Curve
100
Non-Repetive Pulse.Wavefom
Shown in Figure.3
T
A
=25 C
Fig.2 Forward Current Derating Curve
PEAK PULSE POWER(PPP)O R C URRENT(Ipp)
DERATINGI N P ERCENTAGE%
P
PPM
,PEA K P ULS E F ORWAR D , kW
100
80
60
40
20
0
25
50
75
100
125
150
175
T
A
,AMBIENT TEMPERATURE, C
10
1.0
0.1
0.1
1
10
100
1000
10000
td,PULSE WIDTH ,us
Fig.3 Pulse Waveform
120
t
f
=10usec
I
FSM
,PEA K F ORWAR D S URG E C URRENT,
AMPERES
Fig.4 Maximum Non-Repetitive Peak
Forward Surge Current
30
25
20
15
10
05
0
1
10
100
T
J
=T
J max
8.3ms Single Half Sinepwave
JEDEC Method
T
A
=25 C
Pulse Width (td) is Defined
as the Point where the Peak.
Current Decayst to 50% of Ipp
I
ppm
,Pea k P uls e C urren t ( %)
100
80
Peak Value
I
ppm
Half Value-I
pp
/2
60
10/1000usec Waveform as Defined bye R.E.A.
40
20
0
0
1.0
2.0
3.0
4.0
T,TIME,ms
Number of Cycles at 60Hz
单片机
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