SMF5.0(C)A THRU SMF170(C)A
TRANSIENT VOLTAGE SUPPRESSOR
Standoff Voltage:
5.0-170 Volts
Peak Pulse Power:
200 Watts
SOD-123FL
Cathode Band
Top View
FEATURE
200W Peak Pulse Power Dissipation
5.0V - 170V Standoff Voltages
Glass Passivated Die Construction
Uni- and Bi-Directional Versions Available
Excellent Clamping Capability
Fast Response Time
Plastic Material: UL Flammability
Classification Rating 94V-0
MECHANICAL DATA
1.8 ± 0.1
2.8
±
0.1
1.0 ± 0.1
0.20 0.10
1.0
0.2
0.6
0.25
·
·
·
3.7
±
0.2
·
·
·
Dimensions in millimeters
Case:JEDEC SOD-123FL molded plastic body
Terminals: Solderable per MIL-STD-750,
Method 2026
Polarity Indicator: Cathode Band
(Note: Bi-directional devices have no polarity
indicator.)
Marking: Date Code and Marking Code
See Page 3
Weight: 0.064 grams (approx.)
Ordering Info: See Page 3
DEVICES FOR BIDIRECTIONAL APPLICATIONS
For bidirectional use suffix A or CA for types SMF5.0A thru SMF170A (e.g. SMF5.0CA,SMF170CA)
Electrical characteristics apply in both directions.
Maximum Ratings
@ T
A
= 25°C unless otherwise specified
Symbol
P
PK
I
FSM
PM
(AV)
@ I
PP
= 30A
V
F
T
j
T
STG
Value
200
30
1.0
3.5
-55 to +150
-55 to +175
Unit
W
A
W
V
°C
°C
Characteristic
Peak Pulse Power Dissipation
(Non repetitive current pulse derated above T
A
= 25°C) (Note 1)
Peak Forward Surge Current, 8.3ms Single Half Sine Wave
Superimposed on Rated Load (JEDEC Method) (Notes 1, 2, & 3)
Steady State Power Dissipation @ T
L
= 75°C
Instantaneous Forward Voltage
(Notes 1, 2, & 3)
Operating Temperature Range
Storage Temperature Range
Notes:
1. Valid provided that terminals are kept at ambient temperature.
2. Measured with 8.3ms single half sine-wave. Duty cycle = 4 pulses per minute maximum.
3. Unidirectional units only.
TRANSIENT VOLTAGE SUPPRESSOR SMF5.0(C)A THRU SMF170(C)A
100
10000
T
j
= 25°C
PEAK PULSE DERATING IN % OF
PEAK POWER OR CURRENT
75
C
T
, JUNCTION CAPACITANCE (pF)
Unidirectional
1000
50
Bidirectional
100
25
10 X 1000 Waveform
as defined by REA
0
0
25
50
75
100 125 150 175 200
T
A
, AMBIENT TEMPERATURE (°C)
Fig. 1 Pulse Derating Curve
100
10
1
10
100
1000
V
WM
, STANDOFF VOLTAGE (V)
Fig. 2 Typical Total Capacitance
I
P
, PEAK PULSE CURRENT (%I
pp
)
P
d
, PEAK PULSE POWER (kW)
T
j
= 25°C
Non Repetitive
Pulse Waveform
Shown in Fig. 4
100
Peak Value I
pp
10
Half Value I
pp
/2
50
1.0
t
p
0.1
0.1
1.0
10
100
1000
10000
0
10 X 1000 Waveform
as defined by R.E.A.
0
1
2
3
t, TIME (ms)
Fig. 4 Pulse Waveform
PM
(AV),
STEADY STATE POWER DISSIPATION (W)
60
1.0
PEAK FORWARD SURGE CURRENT, (A)
50
Pulse Width 8.3ms
Single Half-Sine-Wave
(JEDEC METHOD)
0.8
40
0.6
30
0.4
20
0.2
60Hz Resistive or
Inductive Load
10
0
1
2
5
10
20
50
100
NUMBER OF CYCLES AT 60Hz
Fig. 5 Maximum Non-Repetitive Surge Current
0.0
0
25
50
75
100
125
150
175
200
T
L
, LEAD TEMPERATURE (°C)
Fig. 6 Steady State Power Derating Curve
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