SMF48AG Datasheet PDF - Littelfuse

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SMF48AG
Littelfuse

Part Number SMF48AG
Description 200W Transient Voltage Suppressor
Page 6 Pages


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SMF5.0AT1G Series,
SZSMF5.0AT1G Series
200 W Transient
Voltage Suppressor
SOD-123 Flat Lead Package
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.
Features
Standoff Voltage: 5 58 Volts
Peak Power 200 Watts @ 1 ms (SMF5.0A SMF58A)
Low Leakage
Response Time is Typically < 1 ns
ESD Rating of Class 3 (> 16 kV) per Human Body Model
ESD Rating of Level 4 (8 kV Contact Discharge) per IEC6100042
EFT (Electrical Fast Transients) Rating of 40 A per IEC6100044
Low Profile Maximum Height of 1.0 mm
Small Footprint Footprint Area of 8.45 mm2
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
SZ Prefix for Automotive and Other Applications Requiring Unique
Site and Control Change Requirements; AECQ101 Qualified and
PPAP Capable
These Devices are PbFree and are RoHS Compliant
Mechanical Characteristics:
CASE: Void-free, transfer-molded, thermosetting plastic
Epoxy Meets UL 94 V0
LEAD FINISH: 100% Matte Sn (Tin)
MOUNTING POSITION: Any
QUALIFIED MAX REFLOW TEMPERATURE: 260°C
Device Meets MSL 1 Requirements
Littelfuse.com
PLASTIC SURFACE MOUNT
ZENER OVERVOLTAGE
TRANSIENT SUPPRESSOR
5 58 VOLTS
200 WATT PEAK POWER
SOD123FL
CASE 498
12
1: CATHODE
2: ANODE
MARKING DIAGRAM
1
CATHODE
xx M G
G
2
ANODE
xx = Device Code (Refer to page 3)
M = Date Code
G = Pb−Free Package
(Note: Microdot may be in either location)
ORDERING INFORMATION
Device
SMFxxxAT1G
SZSMFxxxAT1G
Package
SOD−123FL
(Pb−Free)
SOD−123FL
(Pb−Free)
Shipping
3,000 /
Tape & Reel
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.
September 19, 2016 − Rev. 7
1
Publication Order Number:
SMF5.0AT1/D



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SMF5.0AT1G Series, SZSMF5.0AT1G Series
MAXIMUM RATINGS
Rating
Symbol
Value
Unit
Maximum Ppk Dissipation (PW−10/1000 ms) (Note 1) SMF5.0A − SMF58A
Ppk 200
W
Maximum Ppk Dissipation @ TA = 25°C, (PW−8/20 ms) (Note 2)
Ppk 1000
W
DC Power Dissipation
@ TA = 25°C (Note 3)
Derate above 25°C
Thermal Resistance, Junction−to−Ambient (Note 3)
°PD°
RqJA
385 °mW
4.0 mW/°C
325 °C/W
Thermal Resistance, Junction−to−Lead (Note 3)
RqJcathode
26
°C/W
Operating and Storage Temperature Range
TJ, Tstg
−55 to +150
°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 TA = 25°C, per waveform of Figure 2.
2. Non−repetitive current pulse at TA = 25°C, per waveform of Figure 3.
3. Mounted with recommended minimum pad size, DC board FR−4.
ELECTRICAL CHARACTERISTICS (TA = 25°C unless
otherwise noted, VF = 3.5 V Max. @ IF (Note 4) = 12 A)
Symbol
Parameter
IPP Maximum Reverse Peak Pulse Current
VC Clamping Voltage @ IPP
VRWM Working Peak Reverse Voltage
IR Maximum Reverse Leakage Current @ VRWM
VBR Breakdown Voltage @ IT
IT Test Current
IF Forward Current
VF Forward Voltage @ IF
4. 1/2 sine wave (or equivalent square wave), PW = 8.3 ms,
duty cycle = 4 pulses per minute maximum.
I
IF
VC VBR VRWM
IIRT VF
V
IPP
UniDirectional TVS
Specifications subject to change without notice. © 2016 Littelfuse, Inc.
September 19, 2016 − Rev. 7
2
Publication Order Number:
SMF5.0AT1/D



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SMF5.0AT1G Series, SZSMF5.0AT1G Series
ELECTRICAL CHARACTERISTICS (TL = 30°C unless otherwise noted, VF = 1.25 Volts @ 200 mA)
VRWM (V)
VBR @ IT (V) (Note 6)
IT
IR @ VRWM
VC(Max)
IPP(Max) (A)
Device*
Marking (Note 5)
Min
Nom
Max (mA)
(mA)
(V) (Note 7)
SMF5.0AG
KE 5 6.4 6.7 7 10 400 9.2
21.7
SMF6.0AG
KG
6
6.67 7.02 7.37
10
400
10.3
19.4
SMF6.5AG
KK
6.5 7.22 7.6 7.98 10
250
11.2
17.9
SMF7.0AG
KM 7 7.78 8.2 8.6 10 100 12
16.7
SMF7.5AG
KP 7.5 8.33 8.77 9.21 1 50 12.9 15.5
SMF8.0AG
KR
8
8.89 9.36 9.83
1
25
13.6
14.7
SMF9.0AG
KV
9
10
10.55
11.1
1
5
15.4
13.0
SMF10AG
KX 10 11.1 11.7 12.3 1 2.5
17
11.8
SMF11AG
KZ 11 12.2 12.85 13.5 1 2.5 18.2
11.0
SMF12AG
LE 12 13.3 14 14.7 1 2.5 19.9
10.1
SMF13AG
LG 13 14.4 15.15 15.9 1
1
21.5
9.3
SMF14AG
LK 14 15.6 16.4 17.2 1
1
23.2
8.6
SMF15AG
LM 15 16.7 17.6 18.5 1
1
24.4
8.2
SMF18AG
LT 18 20 21 22.1 1
1
29.2
6.8
SMF20AG
LV 20 22.2 23.35 24.5 1
1
32.4
6.2
SMF22AG
LX 22 24.4 25.6 26.9 1
1
35.5
5.6
SMF24AG
LZ 24 26.7 28.1 29.5 1
1
38.9
5.1
SMF26AG
ME 26 28.9 30.4 31.9 1
1
42.1
4.8
SMF28AG
MG 28 31.1 32.8 34.4 1
1
45.4
4.4
SMF30AG
MK 30 33.3 35.1 36.8 1
1
48.4
4.1
SMF33AG
MM 33 36.7 38.7 40.6 1
1
53.3
3.8
SMF36AG
MP
36
40 42.1 44.2
1
1
58.1
3.4
SMF48AG
MX 48 53.3 56.1 58.9 1
1
77.4
2.6
SMF51AG
MZ 51 56.7 59.7 62.7 1
1
82.4
2.4
SMF58AG
NG 58 64.4 67.8 71.2 1
1
93.6
2.1
5. A transient suppressor is normally selected according to the Working Peak Reverse Voltage (VRWM) which should be equal to or greater
than the DC or continuous peak operating voltage level.
6. VBR measured at pulse test current IT at ambient temperature of 25°C.
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.
September 19, 2016 − Rev. 7
3
Publication Order Number:
SMF5.0AT1/D



No Preview Available !

SMF5.0AT1G Series, SZSMF5.0AT1G Series
TYPICAL PROTECTION CIRCUIT
Zin
Vin
LOAD
VL
10,000
1000
100
10
1.0
10 100 1000
tP, PULSE WIDTH (ms)
Figure 1. Pulse Rating Curve
PULSE WIDTH (tP) IS DEFINED
tr AS THAT POINT WHERE THE PEAK
CURRENT DECAYS TO 50%
100
OF IRSM.
PEAK VALUE − IRSM
tr 10 ms
50
HALF VALUE −
IRSM
2
0
10,000 0
tP
1 2 34
t, TIME (ms)
Figure 2. 10 X 1000 ms Pulse Waveform
100
90 tr
80
70
60
50
PEAK VALUE IRSM @ 8 ms
PULSE WIDTH (tP) IS DEFINED
AS THAT POINT WHERE THE
PEAK CURRENT DECAY = 8 ms
HALF VALUE IRSM/2 @ 20 ms
40
30 tP
20
10
0
0 20 40 60 80
t, TIME (ms)
Figure 3. 8 X 20 ms Pulse Waveform
160
140
120
100
80
60
40
20
0
0
25 50 75 100 125
TA, AMBIENT TEMPERATURE (°C)
Figure 4. Pulse Derating Curve
150
Specifications subject to change without notice. © 2016 Littelfuse, Inc.
September 19, 2016 − Rev. 7
4
Publication Order Number:
SMF5.0AT1/D



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