1.5SMC SERIES
GLASS PASSIVATED JUNCTION TRANSIENT VOLTAGE SUPPRESSOR PEAK PULSE POWER 1500 Watts
BREAK DOWN VOLTAGE
FEATURES
• Plastic package has Underwriters Laboratory Flammability Classification 94V-O
• Glass passivated chip junction in SMC/DO-214AB package
• 1500W surge capability at 1.0ms
• Excellent clamping capability
• Low zener impedance
• Fast response time: typically less than 1.0 ps from 0 volts to BV min
• Typical IR less than 1µA above 10V
• High temperature soldering guaranteed: 260°C/10 seconds/.375" ,(9.5mm)
lead length/5lbs., (2.3kg) tension
•
Lead free in comply with EU RoHS 2002/95/EC directives
6.8 to 250 Volts
MECHANICAL DATA
• Case: JEDEC SMC/DO-214AB molded plastic
• Terminals: Axial leads, solderable per MIL-STD-750, Method 2026
• Polarity: Color band denoted cathode except Bipolar
• Mounting Position: Any
• Weight: 0.007 ounce, 0.021 gram
DEVICES FOR BIPOLAR APPLICATIONS
For Bidirectional use C or CA Suffix for types 1.5SMC6.8 thru types 1.5SMC250.
Electrical characteristics apply in both directions.
MAXIMUM RATINGS AND CHARACTERISTICS
Rating at 25°Cambient temperature unless otherwise specified.
Rating
Peak Power Dissipation at T
A
=25
O
C, T
P
=1ms(Note 1)
Typical Thermal Resistance Junction to Air (Note 2)
Peak Forward Surge Current, 8.3ms Single Half Sine-Wave
Superimposed on Rated Load (JECED Method) (Note 3)
Operating Junction and Storage Temperature Range
Symbol
P
P K
R
θ
JA
I
FSM
T
J
,T
S T G
Value
1500
50
200
-55 to +150
Units
Watts
O
C/W
Amps
O
C
NOTES:
1. Non-repetitive current pulse, per Fig. 3 and derated above T
A
=25°C per Fig. 2.
2. Mounted on Copper Leaf area of 0.79 in
2
(20mm
2
).
3. 8.3ms single half sine-wave, duty cycle= 4 pulses per minutes maximum.
STAD-APR.01.2009
2
PAGE . 1
1.5SMC SERIES
P
PPM
,PEAK PULSE FORWARD,KW
100
Non-Repetitve
Pulse Wavefom
Shown in Figure.3
T
A
= 25
O
C
100
PEAK PULSE FORWARD (P
PP
) OR CURRENT (I
PP
)
DERATING IN PERCENTAGE %
75
10
50
1.0
25
0.1
0.1
0
1.0
10
100
1000
10000
0
25
50
75
100
125
150
175
200
td,PULSE WIDTH,usec
Fig.1 PEAK PULSE POWER RATING VERSUS
PULSE TIME CURVE
T
A
,AMBIENT TEMPERATURE, C
O
Fig.2 PULSE DERATING CURVE
I
PPM
,PEAK PULSE CURRENT,%
150
tf= 10u se c
Pea k Va lue
Ip p m
T
A
= 25 C
Pulse Wid th (td ) is Define d
a s the Point Where t he Pea k
Current De c a ys to 5 0% of Ip p
10
4
Tj= 25 C
f= 1.0MHZ
Vsig = 50mVp -p
Me a sured a t
Zero Bia s
100
CJ,CAPACIT
ANCE,p F
1,000
Ha lf Va lue -Ip p
2
50
10/1000u se c Wa ve form
a s Defined b ye R.E.A.
100
Unidirectional
Bidirectional
Me a sure d a t
Sta nd -Off
Volta ge(V
RWM
)
e-kt
td
10
1.0
2.0
3.0
4.0
0
5.0 10
20
50
100
200
500
0
T,TIME,ms
V
(BR)
, BREAKDOWN VOLTAGE, VOLTS
Fig.4 TYPICAL JUNCTION CAPACITANCE
Fig.3 PULSE WAVEFORM
I
FSM
, PEAK FORWARD SURGE CURRENT
AMPERES
200
Tj= Tj m a x
8.3ms S
INGLE HALF sinc e -WAVE
JEDEC METHOD
100
50
UNIDIRECTIONAL ONLY
10
1
5
10
50
100
NUMBER OF CYCLES AT 60 Hz
Fig.5 MAXIMUN NON-REPETITEVE PEAK FORWARD
SURGE CURRENT UNIDIRECTIONAL
STAD-APR.01.2009
2
PAGE . 4
Embedded System
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