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SZSMF14AT1G

型号：

SZSMF14AT1G

品牌：

LITTELFUSE[ LITTELFUSE ]

页数：

6 页

PDF大小：

330 K

下载PDF手册
SMF5.0AT1G Series,  
SZSMF5.0AT1G Series  
200 W Transient  
Voltage Suppressor  
SOD-123 Flat Lead Package  
Littelfuse.com  
The SMF5.0AT1G 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.  
PLASTIC SURFACE MOUNT  
ZENER OVERVOLTAGE  
TRANSIENT SUPPRESSOR  
5 − 58 VOLTS  
200 WATT PEAK POWER  
Features  
• Stand−off Voltage: 5 − 58 Volts  
• Peak Power − 200 Watts @ 1 ms (SMF5.0A − SMF58A)  
• Low Leakage  
• Response Time is Typically < 1 ns  
SOD−123FL  
CASE 498  
• ESD Rating of Class 3 (> 16 kV) per Human Body Model  
• ESD Rating of Level 4 (8 kV Contact Discharge) per IEC61000−4−2  
• EFT (Electrical Fast Transients) Rating of 40 A per IEC61000−4−4  
• Low Profile − Maximum Height of 1.0 mm  
1
2
2
• Small Footprint − Footprint Area of 8.45 mm  
1: CATHODE  
2: ANODE  
• Supplied in 8 mm Tape and Reel − 3,000 Units per Reel  
• Cathode Indicated by Polarity Band  
MARKING DIAGRAM  
• Lead Orientation in Tape: Cathode Lead to Sprocket Holes  
• SZ Prefix for Automotive and Other Applications Requiring Unique  
Site and Control Change Requirements; AEC−Q101 Qualified and  
PPAP Capable  
• These Devices are Pb−Free and are RoHS Compliant  
xx M G  
1
2
G
CATHODE  
ANODE  
xx = Device Code (Refer to page 3)  
Mechanical Characteristics:  
M
= Date Code  
CASE: Void-free, transfer-molded, thermosetting plastic  
Epoxy Meets UL 94 V−0  
G
= Pb−Free Package  
(Note: Microdot may be in either location)  
LEAD FINISH: 100% Matte Sn (Tin)  
MOUNTING POSITION: Any  
QUALIFIED MAX REFLOW TEMPERATURE: 260°C  
Device Meets MSL 1 Requirements  
ORDERING INFORMATION  
Device  
Package  
Shipping  
SMFxxxAT1G  
SOD−123FL  
(Pb−Free)  
3,000 /  
Tape & Reel  
SZSMFxxxAT1G SOD−123FL  
(Pb−Free)  
3,000 /  
Tape & Reel  
DEVICE MARKING INFORMATION  
See specific marking information in the device marking  
column of the Electrical Characteristics table on page 3 of  
this data sheet.  
Specifications subject to change without notice. © 2016 Littelfuse, Inc.  
1
Publication Order Number:  
September 19, 2016 − Rev. 7  
SMF5.0AT1/D  
SMF5.0AT1G Series, SZSMF5.0AT1G Series  
MAXIMUM RATINGS  
Rating  
Symbol  
Value  
200  
Unit  
W
Maximum P Dissipation (PW−10/1000 ms) (Note 1) SMF5.0A − SMF58A  
P
pk  
pk  
pk  
Maximum P Dissipation @ T = 25°C, (PW−8/20 ms) (Note 2)  
P
1000  
W
pk  
A
DC Power Dissipation  
@ T = 25°C (Note 3)  
°P °  
385  
4.0  
325  
°mW  
mW/°C  
°C/W  
A
D
Derate above 25°C  
Thermal Resistance, Junction−to−Ambient (Note 3)  
Thermal Resistance, Junction−to−Lead (Note 3)  
Operating and Storage Temperature Range  
R
q
JA  
R
26  
°C/W  
°C  
q
Jcathode  
T , T  
−55 to +150  
J
stg  
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 = 25°C, per waveform of Figure 2.  
A
2. Non−repetitive current pulse at T = 25°C, per waveform of Figure 3.  
A
3. Mounted with recommended minimum pad size, DC board FR−4.  
ELECTRICAL CHARACTERISTICS (T = 25°C unless  
A
I
otherwise noted, V = 3.5 V Max. @ I (Note 4) = 12 A)  
F
F
I
F
Symbol  
Parameter  
I
Maximum Reverse Peak Pulse Current  
Clamping Voltage @ I  
PP  
V
C
PP  
V
C
V
V
V
Working Peak Reverse Voltage  
BR RWM  
RWM  
V
I
R
I
T
V
F
I
R
Maximum Reverse Leakage Current @ V  
RWM  
V
Breakdown Voltage @ I  
Test Current  
BR  
T
I
T
I
F
Forward Current  
I
PP  
V
F
Forward Voltage @ I  
F
Uni−Directional TVS  
4. 1/2 sine wave (or equivalent square wave), PW = 8.3 ms,  
duty cycle = 4 pulses per minute maximum.  
Specifications subject to change without notice. © 2016 Littelfuse, Inc.  
Publication Order Number:  
2
September 19, 2016 − Rev. 7  
SMF5.0AT1/D  
 
SMF5.0AT1G Series, SZSMF5.0AT1G Series  
ELECTRICAL CHARACTERISTICS (T = 30°C unless otherwise noted, V = 1.25 Volts @ 200 mA)  
L
F
V
RWM  
(V)  
V
BR  
@ I (V) (Note 6)  
I
T
I
R
@ V  
V
I
(A)  
T
RWM  
C(Max)  
PP(Max)  
(Note 5)  
5
Min  
Nom  
6.7  
Max  
(mA)  
10  
10  
10  
10  
1
(mA)  
400  
400  
250  
100  
50  
25  
5
(V)  
(Note 7)  
21.7  
19.4  
17.9  
16.7  
15.5  
14.7  
13.0  
11.8  
11.0  
10.1  
9.3  
Device*  
SMF5.0AG  
SMF6.0AG  
SMF6.5AG  
SMF7.0AG  
SMF7.5AG  
SMF8.0AG  
SMF9.0AG  
SMF10AG  
SMF11AG  
SMF12AG  
SMF13AG  
SMF14AG  
SMF15AG  
SMF18AG  
SMF20AG  
SMF22AG  
SMF24AG  
SMF26AG  
SMF28AG  
SMF30AG  
SMF33AG  
SMF36AG  
SMF48AG  
SMF51AG  
SMF58AG  
Marking  
KE  
KG  
KK  
KM  
KP  
KR  
KV  
KX  
KZ  
6.4  
6.67  
7.22  
7.78  
8.33  
8.89  
10  
7
9.2  
6
7.02  
7.6  
7.37  
7.98  
8.6  
10.3  
11.2  
12  
6.5  
7
8.2  
7.5  
8
8.77  
9.36  
10.55  
11.7  
12.85  
14  
9.21  
9.83  
11.1  
12.3  
13.5  
14.7  
15.9  
17.2  
18.5  
22.1  
24.5  
26.9  
29.5  
31.9  
34.4  
36.8  
40.6  
44.2  
58.9  
62.7  
71.2  
12.9  
13.6  
15.4  
17  
1
9
1
10  
11  
12  
13  
14  
15  
18  
20  
22  
24  
26  
28  
30  
33  
36  
48  
51  
58  
11.1  
12.2  
13.3  
14.4  
15.6  
16.7  
20  
1
2.5  
2.5  
2.5  
1
1
18.2  
19.9  
21.5  
23.2  
24.4  
29.2  
32.4  
35.5  
38.9  
42.1  
45.4  
48.4  
53.3  
58.1  
77.4  
82.4  
93.6  
LE  
1
LG  
LK  
15.15  
16.4  
17.6  
21  
1
1
1
8.6  
LM  
LT  
1
1
8.2  
1
1
6.8  
LV  
22.2  
24.4  
26.7  
28.9  
31.1  
33.3  
36.7  
40  
23.35  
25.6  
28.1  
30.4  
32.8  
35.1  
38.7  
42.1  
56.1  
59.7  
67.8  
1
1
6.2  
LX  
1
1
5.6  
LZ  
1
1
5.1  
ME  
MG  
MK  
MM  
MP  
MX  
MZ  
NG  
1
1
4.8  
1
1
4.4  
1
1
4.1  
1
1
3.8  
1
1
3.4  
53.3  
56.7  
64.4  
1
1
2.6  
1
1
2.4  
1
1
2.1  
5. A transient suppressor is normally selected according to the Working Peak Reverse Voltage (V  
than the DC or continuous peak operating voltage level.  
) which should be equal to or greater  
RWM  
6. V measured at pulse test current I at ambient temperature of 25°C.  
BR  
T
7. Surge current waveform per Figure 2 and derate per Figure 3.  
*Include SZ-prefix devices where applicable.  
Specifications subject to change without notice. © 2016 Littelfuse, Inc.  
Publication Order Number:  
3
September 19, 2016 − Rev. 7  
SMF5.0AT1/D  
 
SMF5.0AT1G Series, SZSMF5.0AT1G Series  
TYPICAL PROTECTION CIRCUIT  
Z
in  
LOAD  
V
in  
V
L
10,000  
1000  
PULSE WIDTH (t ) IS DEFINED  
AS THAT POINT WHERE THE PEAK  
CURRENT DECAYS TO 50%  
P
t
r
OF I  
.
RSM  
100  
t ≤ 10 ms  
r
PEAK VALUE − I  
RSM  
I
RSM  
2
HALF VALUE −  
50  
0
100  
10  
t
P
1.0  
10  
100  
t , PULSE WIDTH (ms)  
1000  
10,000  
0
1
2
3
4
t, TIME (ms)  
P
Figure 1. Pulse Rating Curve  
Figure 2. 10 X 1000 ms Pulse Waveform  
160  
140  
120  
100  
90  
80  
70  
60  
50  
40  
30  
20  
t
r
PEAK VALUE I  
@ 8 ms  
RSM  
PULSE WIDTH (t ) IS DEFINED  
P
AS THAT POINT WHERE THE  
PEAK CURRENT DECAY = 8 ms  
100  
80  
HALF VALUE I /2 @ 20 ms  
RSM  
60  
t
P
40  
20  
0
10  
0
0
25  
50  
75  
100  
125  
150  
0
20  
40  
t, TIME (ms)  
60  
80  
T , AMBIENT TEMPERATURE (°C)  
A
Figure 3. 8 X 20 ms Pulse Waveform  
Figure 4. Pulse Derating Curve  
Specifications subject to change without notice. © 2016 Littelfuse, Inc.  
Publication Order Number:  
4
September 19, 2016 − Rev. 7  
SMF5.0AT1/D  
SMF5.0AT1G Series, SZSMF5.0AT1G Series  
400  
350  
1
0.7  
0.5  
300  
0.3  
0.2  
250  
PULSE WIDTH  
10 ms  
200  
150  
100  
0.1  
0.07  
0.05  
1 ms  
0.03  
0.02  
100 ms  
50  
0
10 ms  
10 20  
0.01  
0.1 0.2  
0.5  
1
2
5
50 100  
0
25  
50  
75  
100  
125  
150 175  
D, DUTY CYCLE (%)  
T, TEMPERATURE (°C)  
Figure 6. Steady State Power Derating  
Figure 5. Typical Derating Factor for Duty Cycle  
1000  
1.2  
1.0  
0.8  
0.6  
0.4  
MEASURED @ ZERO BIAS  
100  
MEASURED @ 50% V  
RWM  
10  
1
0.2  
0
1
10  
100  
1000  
−55  
25  
85  
150  
WORKING PEAK REVERSE VOLTAGE (VOLTS)  
T, TEMPERATURE (°C)  
Figure 7. Forward Voltage  
Figure 8. Capacitance versus Working Peak  
Reverse Voltage  
Specifications subject to change without notice. © 2016 Littelfuse, Inc.  
Publication Order Number:  
5
September 19, 2016 − Rev. 7  
SMF5.0AT1/D  
SMF5.0AT1G Series, SZSMF5.0AT1G Series  
PACKAGE DIMENSIONS  
SOD−123FL  
CASE 498  
ISSUE D  
NOTES:  
1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982.  
2. CONTROLLING DIMENSION: MILLIMETER.  
E
q
3. DIMENSIONS A AND B DO NOT INCLUDE MOLD FLASH.  
4. DIMENSIONS D AND J ARE TO BE MEASURED ON FLAT SECTION  
OF THE LEAD: BETWEEN 0.10 AND 0.25 MM FROM THE LEAD TIP.  
D
1
2
MILLIMETERS  
INCHES  
NOM  
0.037  
0.002  
0.035  
0.006  
0.065  
0.106  
0.030  
0.142  
−
DIM  
A
A1  
b
c
D
E
L
MIN  
0.90  
0.00  
0.70  
0.10  
1.50  
2.50  
0.55  
3.40  
0°  
NOM  
0.95  
0.05  
0.90  
0.15  
1.65  
2.70  
0.75  
3.60  
−
MAX  
MIN  
0.035  
0.000  
0.028  
0.004  
0.059  
0.098  
0.022  
0.134  
0°  
MAX  
0.039  
0.004  
0.043  
0.008  
0.071  
0.114  
0.037  
0.150  
8°  
A1  
0.98  
0.10  
1.10  
0.20  
1.80  
2.90  
0.95  
3.80  
8°  
POLARITY INDICATOR  
OPTIONAL AS NEEDED  
A
TOP VIEW  
END VIEW  
q
H
E
q
H
RECOMMENDED  
SOLDERING FOOTPRINT  
E
c
SIDE VIEW  
4.20  
2X  
2X  
L
1.25  
2X  
b
2X  
1.22  
BOTTOM VIEW  
DIMENSIONS: MILLIMETERS  
Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and test each product  
selected for their own applications. Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation,  
military, aerospace, medical, life-saving, life-sustaining or nuclear facility applications, devices intended for surgical implant into the body, or any  
other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than  
those expressly set forth in applicable Littelfuse product documentation. Warranties granted by Littelfuse shall be deemed void for products used for  
any purpose not expressly set forth in applicable Littelfuse documentation. Littelfuse shall not be liable for any claims or damages arising out of  
products used in applications not expressly intended by Littelfuse as set forth in applicable Littelfuse documentation. The sale and use of Littelfuse  
products is subject to Littelfuse Terms and Conditions of Sale, unless otherwise agreed by Littelfuse.  
Littelfuse.com  
Specifications subject to change without notice. © 2016 Littelfuse, Inc.  
Publication Order Number:  
6
September 19, 2016 − Rev. 7  
SMF5.0AT1/D  
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