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SMF5.0AT1 Series
Zener Transient
Voltage Suppressor
SOD-123 Flat Lead Package
The SMF5.0A Series is designed to protect voltage sensitive
components from high voltage, high energy transients. Excellent
clamping capability, high surge capability, low zener impedance and
fast response time. Because of its small size, it is ideal for use in
cellular phones, portable devices, business machines, power supplies
and many other industrial/consumer applications.
Features
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•
Stand-of f Voltage: 5 - 170 Volts
•
Peak Power - 200 Watts @ 1 ms (SMF5.0A - SMF58A)
•
•
•
•
•
•
•
•
•
•
- 175 Watts @ 1 ms (SMF60A - SMF170A)
Maximum Clamp Voltage @ Peak Pulse Current
Low Leakage
Response Time is Typically < 1 ns
ESD Rating of Class 3 (> 16 kV) per Human Body Model
IEC61000-4-2 Level 4 ESD Protection
IEC61000-4-4 40 A ESD Protection
Low Profile - Maximum Height of 1.0 mm
Small Footprint - Footprint Area of 8.45 mm
2
Supplied in 8 mm Tape and Reel - 3,000 Units per Reel
Cathode Indicated by Polarity Band
Lead Orientation in Tape: Cathode Lead to Sprocket Holes
Pb-Free Packages are Available
PLASTIC SURFACE MOUNT
ZENER OVERVOLTAGE
TRANSIENT SUPPRESSOR
5 - 170 VOLTS
200 WATT PEAK POWER
1
1: CATHODE
2: ANODE
2
SOD-123FL
CASE 498
PLASTIC
MARKING DIAGRAM
Mechanical Characteristics:
CASE:
Void‐free, transfer‐molded, thermosetting plastic
Epoxy Meets UL 94 V-0
LEAD FINISH:
100% Matte Sn (Tin)
MOUNTING POSITION:
Any
QUALIFIED MAX REFLOW TEMPERATURE:
260°C
1
CATHODE
xx M
G
G
2
ANODE
Device Meets MSL 1 Requirements
xx = Device Code (Refer to page 3)
M
= Date Code
G
= Pb-Free Package
(Note: Microdot may be in either location)
ORDERING INFORMATION
Device
SMFxxxAT1
SMFxxxAT1G
Package
SOD-123FL
SOD-123FL
(Pb-Free)
Shipping
†
3000/Tape & Reel
3000/Tape & Reel
†For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specifications
Brochure, BRD8011/D.
DEVICE MARKING INFORMATION
See specific marking information in the device marking
column of the Electrical Characteristics table on page 3 of
this data sheet.
©
Semiconductor Components Industries, LLC, 2007
1
May, 2007 - Rev. 2
Publication Order Number:
SMF5.0AT1/D
SMF5.0AT1 Series
MAXIMUM RATINGS
Rating
Maximum P
pk
Dissipation (PW-10/1000
ms)
(Note 1) SMF60A - SMF170A
Maximum P
pk
Dissipation (PW-10/1000
ms)
(Note 1) SMF5.0A - SMF58A
Maximum P
pk
Dissipation @ T
A
= 25°C, (PW-8/20
ms)
(Note 2)
DC Power Dissipation @ T
A
= 25°C (Note 3)
Derate above 25°C
Thermal Resistance, Junction-to-Ambient (Note 3)
Thermal Resistance, Junction-to-Lead (Note 3)
Operating and Storage Temperature Range
Symbol
P
pk
P
pk
P
pk
°P
D
°
R
qJA
R
qJcathode
T
J
, T
stg
Value
175
200
1000
385
4.0
325
26
-55 to +150
Unit
W
W
W
°mW
mW/°C
°C/W
°C/W
°C
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
1. Non-repetitive current pulse at T
A
= 25°C, per waveform of Figure 2.
2. Non-repetitive current pulse at T
A
= 25°C, per waveform of Figure 3.
3. Mounted with recommended minimum pad size, DC board FR-4.
ELECTRICAL CHARACTERISTICS
(T
A
= 25°C unless
otherwise noted, V
F
= 3.5 V Max. @ I
F
(Note 4) = 12 A)
Symbol
I
PP
V
C
V
RWM
I
R
V
BR
I
T
I
F
V
F
Parameter
Maximum Reverse Peak Pulse Current
Clamping Voltage @ I
PP
Working Peak Reverse Voltage
Maximum Reverse Leakage Current @ V
RWM
Breakdown Voltage @ I
T
Test Current
Forward Current
Forward Voltage @ I
F
V
C
V
BR
V
RWM
I
F
I
I
R
V
F
I
T
V
I
PP
4. 1/2 sine wave (or equivalent square wave), PW = 8.3 ms,
duty cycle = 4 pulses per minute maximum.
Uni-Directional TVS
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2
SMF5.0AT1 Series
ELECTRICAL CHARACTERISTICS
(T
L
= 30°C unless otherwise noted, V
F
= 1.25 Volts @ 200 mA)
V
RWM
(V)
Device*
SMF5.0A, G
SMF6.0A, G
SMF6.5A, G
SMF7.0A, G
SMF7.5A, G
SMF8.0A, G
SMF8.5A, G
SMF9.0A, G
SMF10A, G
SMF11A, G
SMF12A, G
SMF13A, G
SMF14A, G
SMF15A, G
SMF16A, G
SMF17A, G
SMF18A, G
SMF20A, G
SMF22A, G
SMF24A, G
SMF26A, G
SMF28A, G
SMF30A, G
SMF33A, G
SMF36A, G
SMF40A, G
SMF43A, G
SMF45A, G
SMF48A, G
SMF51A, G
SMF54A, G
SMF58A, G
SMF60A, G
SMF64A, G
SMF70A, G
SMF75A, G
SMF78A, G
SMF85A, G
SMF90A, G
SMF100A, G
SMF110A, G
SMF120A, G
SMF130A, G
SMF150A, G
SMF160A, G
SMF170A, G
Marking
KE
KG
KK
KM
KP
KR
KT
KV
KX
KZ
LE
LG
LK
LM
LP
LR
LT
LV
LX
LZ
ME
MG
MK
MM
MP
MR
MT
MV
MX
MZ
NE
NG
NK
NM
NP
NR
NT
NV
NX
NZ
PE
PG
PK
PM
PP
PR
(Note 5)
5
6
6.5
7
7.5
8
8.5
9
10
11
12
13
14
15
16
17
18
20
22
24
26
28
30
33
36
40
43
45
48
51
54
58
60
64
70
75
78
85
90
100
110
120
130
150
160
170
V
BR
@ I
T
(V)
(Note 6)
Min
6.4
6.67
7.22
7.78
8.33
8.89
9.44
10
11.1
12.2
13.3
14.4
15.6
16.7
17.8
18.9
20
22.2
24.4
26.7
28.9
31.1
33.3
36.7
40
44.4
47.8
50
53.3
56.7
60
64.4
66.7
71.1
77.8
83.3
86.7
94.4
100
111
122
133
144
167
178
189
Nom
6.7
7.02
7.6
8.2
8.77
9.36
9.92
10.55
11.7
12.85
14
15.15
16.4
17.6
18.75
19.9
21
23.35
25.6
28.1
30.4
32.8
35.1
38.7
42.1
46.8
50.3
52.65
56.1
59.7
63.15
67.8
70.2
74.85
81.9
87.7
91.25
99.2
105.5
117
128.5
140
151.5
176
187.5
199
Max
7
7.37
7.98
8.6
9.21
9.83
10.4
11.1
12.3
13.5
14.7
15.9
17.2
18.5
19.7
20.9
22.1
24.5
26.9
29.5
31.9
34.4
36.8
40.6
44.2
49.1
52.8
55.3
58.9
62.7
66.3
71.2
73.7
78.6
86
92.1
95.8
104
111
123
135
147
159
185
197
209
I
T
(mA)
10
10
10
10
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
I
R
@ V
RWM
(mA)
400
400
250
100
50
25
10
5
2.5
2.5
2.5
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
V
C(Max)
(V)
9.2
10.3
11.2
12
12.9
13.6
14.4
15.4
17
18.2
19.9
21.5
23.2
24.4
26
27.6
29.2
32.4
35.5
38.9
42.1
45.4
48.4
53.3
58.1
64.5
69.4
72.7
77.4
82.4
87.1
93.6
96.8
103
113
121
126
137
146
162
177
193
209
243
259
275
I
PP(Max)
(A)
(Note 7)
21.7
19.4
17.9
16.7
15.5
14.7
13.9
13.0
11.8
11.0
10.1
9.3
8.6
8.2
7.7
7.2
6.8
6.2
5.6
5.1
4.8
4.4
4.1
3.8
3.4
3.1
2.9
2.8
2.6
2.4
2.3
2.1
1.8
1.7
1.5
1.4
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.7
0.6
5. A transient suppressor is normally 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.
6. V
BR
measured at pulse test current I
T
at ambient temperature of 25°C.
7. Surge current waveform per Figure 2 and derate per Figure 3.
*The “G'' suffix indicates Pb-Free package available.
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3
SMF5.0AT1 Series
TYPICAL PROTECTION CIRCUIT
Z
in
V
in
LOAD
V
L
10,000
P
P
, PEAK POWER (WATTS)
PULSE WIDTH (t
P
) IS DEFINED
AS THAT POINT WHERE THE PEAK
t
r
CURRENT DECAYS TO 50%
OF I
RSM
.
t
r
≤
10
ms
PEAK VALUE - I
RSM
VALUE (%)
1000
100
100
50
t
P
I
HALF VALUE -
RSM
2
10
1.0
10
100
t
P
, PULSE WIDTH (ms)
1000
10,000
0
0
1
2
3
4
t, TIME (ms)
Figure 1. Pulse Rating Curve
Figure 2. 10 X 1000
ms
Pulse Waveform
100
% OF PEAK PULSE CURRENT
90
80
70
60
50
40
30
20
10
0
0
t
r
PEAK VALUE I
RSM
@ 8
ms
PULSE WIDTH (t
P
) IS DEFINED
AS THAT POINT WHERE THE
PEAK CURRENT DECAY = 8
ms
HALF VALUE I
RSM
/2 @ 20
ms
PEAK PULSE DERATING IN % OF
PEAK POWER OR CURRENT @ T
A
= 25°C
160
140
120
100
80
60
40
20
0
0
25
50
75
100
125
150
t
P
20
40
t, TIME (ms)
60
80
T
A
, AMBIENT TEMPERATURE (°C)
Figure 3. 8 X 20
ms
Pulse Waveform
Figure 4. Pulse Derating Curve
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4
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