SMF SERIES
SURFACE MOUNT
UNIDIRECTIONAL AND BIDIRECTIONAL
TRANSIENT VOLTAGE SUPPRESSORS
FEATURES
●
For surface mounted applications in order to
.
REVERSE VOLTAGE
- 5.0
to
170
Volts
POWER DISSIPATION
- 200
Watts
SOD-123FL
.114(2.9)
.098(2.5)
.039(1.0)
.024(0.6)
.077(1.95)
.061(1.55)
.047(1.2)
.031(0.8)
.010(0.25)
.002(0.05)
.043(1.1)
.020(0.5)
.154(3.9)
.138(3.5)
.004(0.1)max
Dimensions in inches and(millimeters)
VALUE
200
20
See Next Table
1.25
-55 to + 150
-55 to + 150
UNIT
WATTS
AMPS
AMPS
VOLTS
℃
℃
optimize board space
●
Low profile space
●
Glass passivated chip
●
Low inductance
●
Excellent clamping capability
●
Very fast response time
●
Typical ID less than 1µA at V
WM
●
200 W peak pulse power capability
with a 10/1000
µs
waveform
●
Component in accordance to
RoHS 2002/95/1 and WEEE 2002/96/EC
MECHANICAL DATA
●
Case: JEDEC SOD-123FL molded plastic
over passivated chip
●
Terminals: Solder plated, solderable per
MIL-STD-750 Method 2026
●
Polarity: For uni-directional types the band
by laser denotes the cathode, which is
positive with respect to the anode under
normal TVS operation
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating at 25℃ ambient temperature unless otherwise specified.
Single phase, half wave ,60Hz, resistive or inductive load.
For capacitive load, derate current by 20%
CHARACTERISTICS
Peak pulse power dissipation
with a 10/1000µs waveform (Note1,2)
Peak forward surge current 8.3ms single half sine-wave
Peak pulse current 10/1000μS waveform(Note 1)
Forward voltage @IF=200mA (Note 3)
Operating Temperature Range
Storage Temperature Range
SYMBOL
PPPM
IFSM
IPPM
V
F
T
J
T
STG
Notes: 1.Non-repetitive current pulse and derated above TA=25℃
2.Mounted on 5.0mm2 copper pads to each terminal.
3. 8.3ms single half-wave duty cycle=4 pulses per minutes maximum (uni-directional units only).
REV. 1, 30-Dec-2011
~ 334 ~
RATING AND CHARACTERTIC CURVES
SMF SERIES
FIG.1-PULSE RATING CURVE
100
PEAK PULSE DERATING IN % OF
PEAK POWER OR CURRENT
100
FIG.2-PULSE DERATING CURVE
P
P
, PEAK POWER (
K
w)
10
75
50
1.0
T
A
=25℃
NON-REPETIVE PULSE WAVE
FORM SHOWN IN FIG.3
25
0
0
25
50
75
100
125
150
175
200
0.1
0.1us
1.0us
10us
100us
1.0ms
10ms
T
A
AMBIENT TEMPERATURE,℃
TP, PULSE WIDTH
FIG.3-PULSE WAVEFORM
FIG.4-TYPICAL JUNCTION CAPACITANCE
IP
，
PEAK PULSE CURRENT
， （
%
）
T
R
=10us
Peak value(I
RSM
)
Half value =
I
RSM
2
Pulse with (Tp) is defined
as that point where the
peak current decays to
50% of I
RSM
CAPACITANCE
，（
P
F
）
100
10000
1000
Measured at
Zero Bias
T
J
=25℃
50
T
J
=
25°C
10*1000waveform as
defined by R.E.A
100
Measured at
Stand-off
Voltage (V
RWM
)
TP
10
1
4
10
100
1000
0
0
1.0
2.0
T, TIME (ms)
3.0
4.0
STAND-OFF VOLTAGE,VOLTS
FIG.5-MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
30
PEAK FORWARD SURGE CURRENT,
AMPERES
25
20
15
10
5
0
1
2
5
10
20
50
100
NUMBER OF CYCLES AT 60Hz
T
J
=T
J
max 8.3mS
single half sine-
wave(JEDEC Method)
REV. 1, 30-Dec-2011
~ 335 ~
SMF SERIES
TRR House
No.
UNI
SMF36
SMF36A
SMF40
SMF40A
SMF43
SMF43A
SMF45
SMF45A
SMF48
SMF48A
SMF51
SMF51A
SMF54
SMF54A
SMF58
SMF58A
SMF60
SMF60A
SMF64
SMF64A
SMF70
SMF70A
SMF75
SMF75A
SMF78
SMF78A
SMF85
SMF85A
SMF90
SMF90A
SMF100
SMF100A
SMF110
SMF110A
SMF120
SMF120A
SMF130
SMF130A
SMF150
SMF150A
SMF160
SMF160A
SMF170
SMF170A
Marking
Code
UNI
36
36A
40
40A
43
43A
45
45A
48
48A
51
51A
54
54A
58
58A
60
60A
64
64A
70
70A
75
75A
78
78A
85
85A
90
90A
100
100A
110
110A
120
120A
130
130A
150
150A
160
160A
170
170A
Breakdown Voltage at I
T
2
V
(BR)
(V)
Test
Current
Stand-off
Voltage
Maximum
Maximum Peak
Reverse
Pulse Surge
Leakage at V
WM
Current
(3)
(4)
I
D
(µA)
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
I
PPM
(A)
3.06
3.40
2.80
3.10
2.60
2.90
2.55
2.80
2.35
2.60
2.16
2.40
2.10
2.30
2.00
2.20
1.90
2.10
1.79
2.00
1.65
1.80
1.55
1.70
1.45
1.60
1.34
1.50
1.30
1.40
1.14
1.30
1.04
1.20
0.95
1.00
0.89
1.00
0.75
0.80
0.75
0.80
0.65
0.70
Maximum
Clamping
Voltage
at I
PPM
V
C
(V)
64.30
58.10
71.40
64.50
76.70
69.40
80.30
72.70
85.50
77.40
91.10
82.40
96.30
87.10
103.00
93.60
107.00
96.80
114.00
103.00
125.00
113.00
134.00
121.00
139.00
126.00
151.00
137.00
160.00
146.00
179.00
162.00
196.00
177.00
214.00
193.00
231.00
209.00
268.00
243.00
287.00
259.00
304.00
275.00
Min
40.00
40.00
44.40
44.40
47.80
47.80
50.00
50.00
53.30
53.30
56.70
56.70
60.00
60.00
64.40
64.40
66.70
66.70
71.10
71.10
77.80
77.80
83.30
83.30
86.70
86.70
94.40
94.40
100.0
100.0
111.0
111.0
122.0
122.0
133.0
133.0
144.0
144.0
167.0
167.0
178.0
178.0
189.0
189.0
Max
48.90
44.20
54.30
49.10
58.40
52.80
61.10
55.30
65.10
58.90
69.30
62.70
73.30
66.30
78.70
71.20
81.50
73.70
86.90
78.60
95.10
86.00
102.0
92.10
106.0
95.80
115.0
104.0
122.0
111.0
136.0
123.0
149.0
135.0
163.0
147.0
176.0
159.0
204.0
185.0
218.0
197.0
231.0
209.0
I
T
(mA)
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
V
WM
(V)
36
36
40
40
43
43
45
45
48
48
51
51
54
54
58
58
60
60
64
64
70
70
75
75
78
78
85
85
90
90
100
100
110
110
120
120
130
130
150
150
160
160
170
170
Notes: (1) For bi-directional devices, use suffix C or CA (e.g. SMF5.0C,Marking Code 5C
；SMF5.0CA，Marking
Code 5CA). Electrical characteristics
apply in both directions.
(2) I
T
pulse test：tp≤5.0mS
(3) Surge current waveform 10 / 1000
μS.
(4) For bidirectional types with V
WM
of 10 volts and less, the I
D
limit is doubled.
REV. 1, 30-Dec-2011
~ 337 ~
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