SMF7.0A (CYStech Electronics)
Surface Mount Transient Voltage Suppressors

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CYStech Electronics Corp.
Surface Mount Transient Voltage Suppressors
Peak Pulse Power 200W Working Voltage 5.0 to 190V
SMF5.0A thru SMF190CA
Spec. No. : C296SP
Issued Date : 2011.06.20
Revised Date : 2016.05.17
Page No. : 1/9
Features
Glass passivated chip
Uni and Bidirectional unit
Excellent clamping capability
200W peak pulse power capability with a 10/1000μs waveform, repetition rate (duty cycle) : 0.01%
Very-fast response time
Low leakage
RoHS compliant
Mechanical Data
Case : Molded plastic
Terminals: Pure tin plated, solderable per MIL-STD-750 method 2026
Polarity: For uni-directional types, the band denotes the cathode, which is positive with respective to the anode
under normal TVS operation
Mounting position : Any
Epoxy: UL 94V-0 rate flame retardant
Devices for bidirectional applications
For bi-directional devices, use suffix CA (e.g. SMF10CA). Electrical characteristics apply in both directions.
Ordering Information
Device
SMFXXX(C)A-0-T1-G
Package
SMF
(Pb-free lead plating and halogen-free package)
Shipping
3000 pcs / tape & reel
Environment friendly grade : S for RoHS compliant products, G for RoHS compliant and
green compound products
Packing spec, T1 : 3000 pcs / tape & reel, 7reel
Product rank, zero for no rank products
Product name
SMF5.0A thru SMBJ190CA
CYStek Product Specification


SMF7.0A (CYStech Electronics)
Surface Mount Transient Voltage Suppressors

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CYStech Electronics Corp.
Spec. No. : C296SP
Issued Date : 2011.06.20
Revised Date : 2016.05.17
Page No. : 2/9
Maximum Ratings and Characteristics(TA=25C, unless otherwise noted)
Parameter
Peak pulse power dissipation with a 10/1000μs waveform (Note 1)
Peak pulse power dissipation with a 8/20μs waveform (Note 1)
Peak pulse current with a 10/1000μs waveform (Note 1)
Peak forward surge current, 8.3ms single half sine wave
uni-directional only (Note 2)
Typical thermal resistance, junction to ambient air (Note 3)
Symbol
PPP
PPP
IPP
IFSM
RthJA
Value
200
1000
See next table
20
200
Typical thermal resistance, junction to Lead (Note 3)
Power dissipation on infinite heatsink at TL=75°C
RthJL
PD
100
0.4
Maximum instantaneous forward voltage at 25A for
unidirectional only
Operating junction and storage temperature range
VF
TJ;TSTG
3.5
-55 ~ +150
Notes:
1. Non-repetitive current pulse, per Fig. 5 and derated above TA=25°C per Fig. 1.
2. Mounted on 8.3ms single half sine-wave or equivalent square wave, duty cycle=4 pulses per minute maximum.
3. Mounted on PCB with 10mm x 10 mm x 2mm Cu pads to each terminal.
Unit
W
W
A
A
K/W
K/W
W
V
°C
Electrical Characteristics Ratings at 25ambient temperature, unless otherwise noted.
Part Number
(UNI)
Part Number
(BI)
Device
Marking
Code
UNI BI
Breakdown Voltage Maximum
V(BR) @IT
reverse
leakage IR
Min Max IT @ VRWM
(V) (V) (mA) (μA)
Working
Peak
reverse
voltage
VRWM
(V)
Maximum Maximum
reverse clamping
surge voltage VC
Current @IPP
IPP
(A) (V)
SMF5.0A SMF5.0CA FE KE 6.40 7.00 10
400
5.0 21.74 9.2
SMF6.0A SMF6.0CA FG KG 6.67 7.37 10 400
6.0
19.42
10.3
SMF6.5A SMF6.5CA FK KK 7.22 7.98 10
250
6.5
17.86
11.2
SMF7.0A SMF7.0CA FM KM 7.78 8.60 10
100
7.0
16.67
12.0
SMF7.5A SMF7.5CA FP KP 8.33 9.21 1
50
7.5
15.50
12.9
SMF8.0A SMF8.0CA FR KR 8.89 9.83 1
25
8.0
14.71
13.6
SMF8.5A SMF8.5K
FT KT 9.44 10.40 1
10
8.5
13.89
14.4
SMF9.0A SMF9.0CA FV KV 10.00 11.10 1
5
9.0
12.99
15.4
SMF10A SMF10CA FX KX 11.10 12.30 1
2.5
10.0 11.76 17.0
SMF11A SMF11CA FZ KZ 12.20 13.50 1
2.5
11.0 10.99 18.2
SMF12A SMF12CA HE LE 13.30 14.70 1
2.5
12.0 10.05 19.9
SMF13A SMF13CA HG LG 14.40 15.90 1
1
13.0 9.30 21.5
SMF14A SMF14CA HK LK 15.60 17.20 1
1
14.0 8.62 23.2
SMF15A SMF15CA HM LM 16.70 18.50 1
1
15.0 8.20 24.4
SMF16A SMF16CA HP LP 17.80 19.70 1
1
16.0 7.69 26.0
SMF17A SMF17CA HR LR 18.90 20.90 1
1
17.0 7.25 27.6
SMF18A SMF18CA HT LT 20.00 22.10 1
1
18.0 6.85 29.2
SMF19A SMF19CA HB LB 21.10 23.30 1
1
19.0 6.54 30.6
SMF20A SMF20CA HV LV 22.20 24.50 1
1
20.0 6.17 32.4
SMF22A SMF22CA HX LX 24.40 26.90 1
1
22.0 5.63 35.5
SMF24A SMF24CA HZ LZ 26.70 29.50 1
1
24.0 5.14 38.9
SMF5.0A thru SMBJ190CA
CYStek Product Specification


SMF7.0A (CYStech Electronics)
Surface Mount Transient Voltage Suppressors

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CYStech Electronics Corp.
Spec. No. : C296SP
Issued Date : 2011.06.20
Revised Date : 2016.05.17
Page No. : 3/9
Part Number Part Number
(UNI)
(BI)
SMF26A
SMF28A
SMF30A
SMF33A
SMF36A
SMF40A
SMF43A
SMF45A
SMF48A
SMF51A
SMF54A
SMF58A
SMF60A
SMF64A
SMF70A
SMF75A
SMF78A
SMF80A
SMF85A
SMF90A
SMF100A
SMF110A
SMF120A
SMF130A
SMF140A
SMF150A
SMF160A
SMF170A
SMF180A
SMF190A
SMF26CA
SMF28CA
SMF30CA
SMF33CA
SMF36CA
SMF40CA
SMF43CA
SMF45CA
SMF48CA
SMF51CA
SMF54CA
SMF58CA
SMF60CA
SMF64CA
SMF70CA
SMF75CA
SMF78CA
SMF80CA
SMF85CA
SMF90CA
SMF100CA
SMF110CA
SMF120CA
SMF130CA
SMF140CA
SMF150CA
SMF160CA
SMF170CA
SMF180CA
SMF190CA
Device
Marking
Code
UNI BI
Breakdown Voltage Maximum
V(BR) @IT
reverse
leakage IR
Min Max IT @ VRWM
(V) (V) (mA) (μA)
JE ME 28.90 31.90
JG MG 31.10 34.40
JK MK 33.30 36.80
JM MM 36.70 40.60
JP MP 40.00 44.20
JR MR 44.40 49.10
JT MT 47.80 52.80
JV MV 50.00 55.30
JX MX 53.30 58.90
JZ MZ 56.70 62.70
XE NE 60.00 66.30
XG NG 64.40 71.20
XK NK 66.70 73.70
XM NM 71.10 78.60
XP NP 77.80 86.00
XR NR 83.30 92.10
XT NT 86.70 95.80
XB NB 88.80 97.60
XV NV 94.40 104.00
XX NX 100.00 111.00
XZ NZ 111.00 123.00
TE PE 122.00 135.00
TG PG 133.00 147.00
TK PK 144.00 159.00
TB PB 155.00 171.00
TM PM 167.00 185.00
TP PP 178.00 197.00
TR PR 189.00 209.00
TT PT 200.00 220.00
TV PV 211.00 232.00
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
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Working
Peak
reverse
voltage
VRWM
(V)
26.0
28.0
30.0
33.0
36.0
40.0
43.0
45.0
48.0
51.0
54.0
58.0
60.0
64.0
70.0
75.0
78.0
80.0
85.0
90.0
100.0
110.0
120.0
130.0
140.0
150.0
160.0
170.0
180.0
190.0
Maximum Maximum
reverse clamping
surge voltage VC
Current
@IPP
IPP
(A) (V)
4.75 42.1
4.41 45.4
4.13 48.4
3.75 53.3
3.44 58.1
3.10 64.5
2.88 69.4
2.75 72.7
2.58 77.4
2.43 82.4
2.30 87.1
2.14 93.6
2.07 96.8
1.94 103.0
1.77 113.0
1.65 121.0
1.59 126.0
1.55 129.0
1.46 137.0
1.37 146.0
1.23 162.0
1.13 177.0
1.04 193.0
0.96 209.0
0.89 224.0
0.82 243.0
0.77 259.0
0.73 275.0
0.69 292.0
0.69 308.0
Note: 1.Suffix Adenotes 5% tolerance device.
2.Add suffix Cor CAafter part number to specify Bi-directional devices.
3.For bidirectional types having VR of 10 volts and less, the IR limit is doubled.
SMF5.0A thru SMBJ190CA
CYStek Product Specification


SMF7.0A (CYStech Electronics)
Surface Mount Transient Voltage Suppressors

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CYStech Electronics Corp.
Recommended Footprint
Spec. No. : C296SP
Issued Date : 2011.06.20
Revised Date : 2016.05.17
Page No. : 4/9
SMF5.0A thru SMBJ190CA
CYStek Product Specification


SMF7.0A (CYStech Electronics)
Surface Mount Transient Voltage Suppressors

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CYStech Electronics Corp.
Spec. No. : C296SP
Issued Date : 2011.06.20
Revised Date : 2016.05.17
Page No. : 5/9
SMF5.0A thru SMBJ190CA
CYStek Product Specification


SMF7.0A (CYStech Electronics)
Surface Mount Transient Voltage Suppressors

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Reel Dimension
CYStech Electronics Corp.
Spec. No. : C296SP
Issued Date : 2011.06.20
Revised Date : 2016.05.17
Page No. : 6/9
Carrier Tape Dimension
SMF5.0A thru SMBJ190CA
CYStek Product Specification


SMF7.0A (CYStech Electronics)
Surface Mount Transient Voltage Suppressors

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CYStech Electronics Corp.
Recommended Wave Soldering Profile
Spec. No. : C296SP
Issued Date : 2011.06.20
Revised Date : 2016.05.17
Page No. : 7/9
SMF5.0A thru SMBJ190CA
CYStek Product Specification


SMF7.0A (CYStech Electronics)
Surface Mount Transient Voltage Suppressors

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CYStech Electronics Corp.
Spec. No. : C296SP
Issued Date : 2011.06.20
Revised Date : 2016.05.17
Page No. : 8/9
Recommended wave soldering condition
Product
Peak Temperature
Pb-free devices
260 +0/-5 C
Soldering Time
5 +1/-1 seconds
Recommended temperature profile for IR reflow
Profile feature
Sn-Pb eutectic Assembly
Pb-free Assembly
Average ramp-up rate
(Tsmax to Tp)
3C/second max.
3C/second max.
Preheat
Temperature Min(TS min)
Temperature Max(TS max)
Time(ts min to ts max)
100C
150C
60-120 seconds
150C
200C
60-180 seconds
Time maintained above:
Temperature (TL)
Time (tL)
183C
60-150 seconds
217C
60-150 seconds
Peak Temperature(TP)
240 +0/-5 C
260 +0/-5 C
Time within 5C of actual peak
temperature(tp)
10-30 seconds
20-40 seconds
Ramp down rate
6C/second max.
6C/second max.
Time 25 C to peak temperature
6 minutes max.
8 minutes max.
Note : All temperatures refer to topside of the package, measured on the package body surface.
SMF5.0A thru SMBJ190CA
CYStek Product Specification


SMF7.0A (CYStech Electronics)
Surface Mount Transient Voltage Suppressors

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SMF Dimension
CYStech Electronics Corp.
Spec. No. : C296SP
Issued Date : 2011.06.20
Revised Date : 2016.05.17
Page No. : 9/9
DIM
Millimeters
Min. Max.
Inches
Min. Max.
DIM
Millimeters
Min. Max.
Inches
Min. Max.
A 1.60 1.90 0.063 0.075 E 3.50 3.90 0.138 0.154
B 2.60 2.90 0.102 0.114 F 0.95 1.30 0.037 0.051
C 0.70 1.20 0.028 0.047 G 0.35 0.85 0.014 0.033
D 0.05 0.25 0.002 0.010 H
Notes : 1.Controlling dimension : millimeters.
2.Maximum lead thickness includes lead finish thickness, and minimum lead thickness is the minimum thickness of base material.
3.If there is any question with packing specification or packing method, please contact your local CYStek sales office.
Material :
Lead : Pure tin plated.
Mold Compound : Epoxy resin family, flammability solid burning class:UL94V-0.
Important Notice:
All rights are reserved. Reproduction in whole or in part is prohibited without the prior written approval of CYStek.
CYStek reserves the right to make changes to its products without notice.
CYStek semiconductor products are not warranted to be suitable for use in Life-Support Applications, or systems.
CYStek assumes no liability for any consequence of customer product design, infringement of patents, or application assistance.
SMF5.0A thru SMBJ190CA
CYStek Product Specification




SMF7.0A.pdf
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