SMAJ Series

Formosa MS
SMD Transient Voltage Suppressor
SMAJ Series
List
List................................................................................................. 1
Package outline............................................................................... 2
Features.......................................................................................... 2
Mechanical data............................................................................... 2
Maximum ratings ............................................................................. 2
Electrical characteristics................................................................... 3.4
Rating and characteristic curves........................................................ 4.5
Pinning information........................................................................... 6
Suggested solder pad layout............................................................. 6
Packing information.......................................................................... 7
Reel packing.................................................................................... 8
Suggested thermal profiles for soldering processes............................. 8
High reliability test capabilities...........................................................9
http://www.formosams.com/
TEL:886-2-22696661
FAX:886-2-22696141
Page 1
Document ID
Issued Date
DS-221801
2008/02/10
Revised Date
-
Revision
Page.
A
9
Formosa MS
SMD Transient Voltage Suppressor
SMAJ Series
400W Surface Mount Transient Voltage
Suppressors - 5.0V-220V
Package outline
Features
SMA-F
• 400W peak pulse power capability with a 10/1000 uS
waveform, repetition rate (duty cycle): 0.01%.
• Excellent clamping capability.
• Low incremental surge resistance.
• Fast response time from 0V to VBR, typically less than
.062(1.60)
.055(1.40)
.114(2.90)
.098(2.50)
1 pS for uni-directional & 5 nS for bi-directional types.
• Glass passivated chip junction.
• Lead-free parts meet RoHS requirments.
.181(4.60)
.157(4.00)
.012(.305)
.006(.152)
.098(2.44)
.078(2.00)
Mechanical data
.008(.203)
.002(.051)
.060(1.52)
.030(0.78)
.208(5.28)
.188(4.80)
• Epoxy:UL94-V0 rated flame retardant
• Case : Molded plastic, DO-214AC / SMA-F
• Terminals : Solder plated, solderable per
Dimensions in inches and (millimeters)
MIL-STD-750, Method 2026
• Polarity : Indicated by cathode band
• Mounting Position : Any
• Weight : Approximated 0.06 gram
Maximum ratings (AT
T A=25 oC unless otherwise noted)
PARAMETER
CONDITIONS
Peak Power Dissipation
with a 10/1000 uS waveform,
Note 1, 2 & Fig. 1
Peak Pulse current
with a 10/1000 ìS waveform
O
Symbol
SMAJ Series
UNIT
400
W
See Table 1
A
P PPM
I PPM
Steady State Power Dissipation
at TL=75 C, Note 2
P M(AV)
1.0
W
Peak Forward Surge Current
8.3mS Single Half Sine-Wave,
Note 3
I FSM
40
A
Maximum Instantaneours Forward Voltage
at 25A
For Uni-Directional Types Only
VF
3.5
Operating Temperature
TJ
Storage temperature
T STG
V
-55 ~ +150
O
C
-65 ~ +175
O
C
Note 1. Non-repetitive current pulse, per Fig. 3 and derated above TA=25 OC per Fig. 2
2. Mounted on copper pad area of 0.2"x0.2" (5.0x5.0 mm) per Fig 5
3. Measured on 8.3 mS single half sine-wave or equivalent square wave, duty cycle=4 pulses per minute maximum
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Page 2
Document ID
Issued Date
DS-221801
2008/02/10
Revised Date
-
Revision
Page.
A
9
Formosa MS
SMD Transient Voltage Suppressor
SMAJ Series
Electrical characteristics (at T =25 C unless otherwise noted)
o
A
Reverse
Stand-off
Voltage
Breakdown Voltage
Test
Current
Peak
Forward
Surge Current
Maximum Clamping
Voltage @IPP
Maximum
Leakage
Current
Marking Code
Part No.
V RWM
V BR Min
V BR Max
IT
I FSM
VC
I PP
I R@V RWM
Volts
Volts
mA
A
Volts
A
µA
UNI
BI
SMAJ5.0(C)A
5.0
6.40
7.00
10
40
9.2
43.5
800
AE
WE
SMAJ6.0(C)A
6.0
6.67
7.37
10
40
10.3
38.0
800
AG
WG
SMAJ6.5(C)A
6.5
7.22
7.98
10
40
11.2
35.7
500
AK
WK
Volts
SMAJ7.0(C)A
7.0
7.78
8.60
1.0
40
12.0
33.3
200
AM
WM
SMAJ7.5(C)A
7.5
8.33
9.21
1.0
40
12.9
31.0
100
AP
WP
SMAJ8.0(C)A
8.0
8.89
9.83
1.0
40
13.6
29.4
50
AR
WR
WT
SMAJ8.5(C)A
8.5
9.44
10.4
1.0
40
14.4
27.7
10
AT
SMAJ9.0(C)A
9.0
10.0
11.1
1.0
40
15.4
26.0
5
AV
WV
SMAJ10(C)A
10
11.1
12.3
1.0
40
17.0
23.5
5
AX
WX
SMAJ11(C)A
11
12.2
13.5
1.0
40
18.2
22.0
5
AZ
WZ
SMAJ12(C)A
12
13.3
14.7
1.0
40
19.9
20.1
5
BE
XE
SMAJ13(C)A
13
14.4
15.9
1.0
40
21.5
18.6
5
BG
XG
SMAJ14(C)A
14
15.6
17.2
1.0
40
23.2
17.2
5
BK
XK
SMAJ15(C)A
15
16.7
18.5
1.0
40
24.4
16.4
5
BM
XM
SMAJ16(C)A
16
17.8
19.7
1.0
40
26.0
15.3
5
BP
XP
SMAJ17(C)A
17
18.9
20.9
1.0
40
27.6
14.5
5
BR
XR
SMAJ18(C)A
18
20.0
22.1
1.0
40
29.2
13.7
5
BT
XT
XV
XX
SMAJ20(C)A
20
22.2
24.5
1.0
40
32.4
12.3
5
BV
SMAJ22(C)A
22
24.4
26.9
1.0
40
35.5
11.2
5
BX
SMAJ24(C)A
24
26.7
29.5
1.0
40
38.9
10.3
5
BZ
XZ
SMAJ26(C)A
26
28.9
31.9
1.0
40
42.1
9.5
5
CE
YE
SMAJ28(C)A
28
31.1
34.4
1.0
40
45.4
8.8
5
CG
YG
SMAJ30(C)A
30
33.3
36.8
1.0
40
48.4
8.3
5
CK
YK
SMAJ33(C)A
33
36.7
40.6
1.0
40
53.3
7.5
5
CM
YM
SMAJ36(C)A
36
40.0
44.2
1.0
40
58.1
6.9
5
CP
YP
SMAJ40(C)A
40
44.4
49.1
1.0
40
64.5
6.2
5
CR
YR
SMAJ43(C)A
43
47.8
52.8
1.0
40
69.4
6.7
5
CT
YT
SMAJ45(C)A
45
50.0
55.3
1.0
40
72.7
5.5
5
CV
YV
SMAJ48(C)A
48
53.3
58.9
1.0
40
77.4
5.2
5
CX
YX
SMAJ51(C)A
51
56.7
62.7
1.0
40
82.4
4.9
5
CZ
YZ
SMAJ54(C)A
54
60.0
66.3
1.0
40
87.1
4.6
5
RE
ZE
93.6
4.3
5
RG
ZG
SMAJ58(C)A
58
64.4
71.2
1.0
40
SMAJ60(C)A
60
66.7
73.7
1.0
40
96.8
4.1
5
RK
ZK
SMAJ64(C)A
64
71.1
78.6
1.0
40
103.0
3.9
5
RM
ZM
SMAJ70(C)A
70
77.8
86.6
1.0
40
113.0
3.5
5
RP
ZP
SMAJ75(C)A
75
83.3
92.1
1.0
40
121.0
3.3
5
RR
ZR
SMAJ78(C)A
78
86.7
95.8
1.0
40
126.0
3.2
5
RT
ZT
SMAJ85(C)A
85
94.4
104
1.0
40
137.0
2.9
5
RV
ZV
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FAX:886-2-22696141
Page 3
Document ID
Issued Date
DS-221801
2008/02/10
Revised Date
-
Revision
Page.
A
9
Formosa MS
SMD Transient Voltage Suppressor
SMAJ Series
Electrical characteristics (at T =25 C unless otherwise noted)
o
A
Reverse
Stand-off
Voltage
V RWM
Test
Current
Breakdown Voltage
V BR Min
V BR Max
Volts
Peak
Forward
Surge Current
IT
Maximum
Leakage
Current
Maximum Clamping
Voltage @IPP
I FSM
VC
I PP
Marking Code
I R@V RWM
Part No.
Volts
mA
A
Volts
A
µA
UNI
BI
SMAJ90(C)A
90
100
111
1.0
40
146.0
2.7
5
RX
ZX
SMAJ100(C)A
100
111
123
1.0
40
162.0
2.5
5
RZ
ZZ
Volts
SMAJ110(C)A
110
122
135
1.0
40
177.0
2.3
5
SE
VE
SMAJ120(C)A
120
133
147
1.0
40
193.0
2.0
5
SG
VG
SMAJ130(C)A
130
144
159
1.0
40
209.0
1.9
5
SK
VK
SMAJ150(C)A
150
167
185
1.0
40
243.0
1.6
5
SM
VM
SMAJ160(C)A
160
178
197
1.0
40
259.0
1.5
5
SP
VP
SMAJ170(C)A
170
189
209
1.0
40
275.0
1.4
5
SR
VR
SMAJ180(C)A
180
198
219
1.0
40
292.0
1.3
5
ST
VT
SMAJ190(C)A
190
209
231
1.0
40
308.0
1.3
5
SV
VV
SMAJ200(C)A
200
220
243
1.0
40
324.0
1.2
5
SX
VX
SMAJ210(C)A
210
231
255
1.0
40
340.0
1.2
5
SZ
VZ
1.0
40
356.0
1.1
5
TE
UE
220
SMAJ220(C)A
242
268
Note 1. VBR measured after IT applied for 300uS, IT=square wave pulse or equivalent
2. Surge current waveform per Fig. 3 and derated per Fig. 2
3. For bi-directional types having VWM of 10 volts and less, the I D limit is doubled
4. Suffix ‘C’ denotes bi-directional devices. Suffix ‘A’ denotes 5% tolerance devices, no suffix denotes 10% tolerance devices.
5. All terms and symbols are consistent with ANS/IEEE C62.35
6. Transient Voltage Suppressors (TVS) are devices used to protect vulnerable circuits from electrical overstress such as that caused by electrostatic discharge, inductive load
switching and induced lightning. Within the TVS, damaging voltage spikes are limited by clamping or avalanche action of a rugged silicon pn junction which reduces the
amplitude of the transient to a nondestructive level. See Fig. 7 & Fig. 8
Rating and characteristic curves (SMAJ SERIES)
Fig.2 - Pulse Derating Curve
Peak Pulse Power or Current
Derating in Percentage, %
Peak Pulse Power, P PPM (KW)
Fig.1 - Pealk Pulse Power Rating Curve
100
non-repetitive
pulse waveform
shown in Fig. 3
T A =25°C
10
1.0
0.1
0.1ì
1.0ì
10ì
100ì
1.0m
10m
Pulse Width, td ( Sec)
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100
75
50
25
0
0
25
50
75
100
125
150 175
200
Ambient Temperature, TA (°C)
Page 4
Document ID
Issued Date
DS-221801
2008/02/10
Revised Date
-
Revision
Page.
A
9
Fig.3 - Pulse Waveform
150
tr=10ìS
Junction Capacitance, C J (pF)
Peak Pulse Current, I PPM (%)
Rating and characteristic curves (SMAJ SERIES)
pulse width (td) is defined
as the point where the peak
current decays to 50%
peak value IPPM
100
half value IPPM /2
10/1000 ìS waveform
50
td
0
0
1.0
2.0
3.0
4.0
Fig.4 - Typical Junction Capacitance
10,000
1,000
100
10
1.0
Peak Forward Surge Current, I FSM (A)
Steady State Power Dissipation (W)
Fig.5 - Steady State Power Derating Curve
1.00
60Hz resistive
or inductive load
0.75
0.50
0
mounted on
0.2”x0.2” (5x5mm)
copper pads to
each terminal
0
25
50
75
100
10
100
125
150 175
200
Lead Temperature, TL (°C)
Fig. 7 - Transients of several thousand volts can be
clamped to a safe level by the TVS
Fig.6 - Maximum Non-Repetitive
Forward Surge Current
50
T J =T J max.
8.3mS single half sine-wave
40
30
20
uni-directional devices only
10
1
10
100
Number of Cycles at 60Hz
Fig. 8 - Transient current is divered to ground thru
TVS; the voltage seen by the protected load
is limited to the clamping voltage level
Transient Peak
Transient
Voltage
Clamping
Transient
+
+30V
+20V
Protected
Load
IC Failure Threshold
Transient
Current
TVS Clamping
Voltage (VC )
+12V
200
Breakdown Voltage, VBR (Volts)
time, t (mS)
0.25
measured in
stand-off
voltage, VWM
T J =25°C
f=1.0MHz
Vsig=50mVp-p
TVS
Normal Operating
Voltage
---
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Page 5
Document ID
Issued Date
DS-221801
2008/02/10
Revised Date
-
Revision
Page.
A
9
Formosa MS
SMD Transient Voltage Suppressor
SMAJ Series
Pinning information
Pin
Simplified outline
Symbol
Uni-Directional
Pin1 cathode
Pin2 anode
1
2
1
2
Bi-Directional
Pin1 cathode 1
Pin2 cathode 2
1
2
1
2
Suggested solder pad layout
C
A
B
Dimensions in inches and (millimeters)
PACKAGE
A
B
C
SMA-F
0.068 (1.70)
0.104 (2.60)
0.060(1.50)
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Page 6
Document ID
Issued Date
DS-221801
2008/02/10
Revised Date
-
Revision
Page.
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9
Formosa MS
SMD Transient Voltage Suppressor
SMAJ Series
Packing information
P0
P1
d
E
F
B
A
W
P
D2
D1
T
C
W1
D
unit:mm
Item
Symbol
Tolerance
SMA-F
Carrier width
Carrier length
Carrier depth
Sprocket hole
13" Reel outside diameter
13" Reel inner diameter
7" Reel outside diameter
7" Reel inner diameter
Feed hole diameter
Sprocket hole position
Punch hole position
Punch hole pitch
Sprocket hole pitch
Embossment center
Overall tape thickness
Tape width
Reel width
A
B
C
d
D
D1
D
D1
D2
E
F
P
P0
P1
T
W
W1
0.1
0.1
0.1
0.1
2.0
min
2.0
min
0.5
0.1
0.1
0.1
0.1
0.1
0.1
0.3
1.0
2.72
5.25
2.36
1.50
330.00
50.00
178.00
62.00
13.00
1.75
5.50
4.00
4.00
2.00
0.23
12.00
18.00
Note:Devices are packed in accor dance with EIA standar RS-481-A and specifications listed above.
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Page 7
Document ID
Issued Date
DS-221801
2008/02/10
Revised Date
-
Revision
Page.
A
9
Formosa MS
SMD Transient Voltage Suppressor
SMAJ Series
Reel packing
PACKAGE
REEL SIZE
REEL
(pcs)
COMPONENT
SPACING
(m/m)
BOX
(pcs)
INNER
BOX
(m/m)
REEL
DIA,
(m/m)
SMA-F
7"
1800
4.0
7,200
185*185*67
178
SMA-F
13"
7500
4.0
15,000
337*337*37
330
CARTON
(pcs)
APPROX.
GROSS WEIGHT
(kg)
430*190*220
43,200
6.4
360*340*370
120,000
17.0
CARTON
SIZE
(m/m)
Suggested thermal profiles for soldering processes
1.Storage environment: Temperature=10 oC~35 oC Humidity=65%±15%
2.Reflow soldering of surface-mount devices
Critical Zone
T L to T P
tP
TP
Ramp-up
TL
tL
Temperature
T smax
T smin
TS
ts
Preheat
25
Ramp-down
t25 oC to Peak
Wave Soldering
IR Reflow
Time
3.Flow (wave)soldering (solder dipping)
Profile Feature
Soldering Condition
Average ramp-up rate(T L to TP )
<3oC/sec
Preheat
-Temperature Min(Tsmin)
-Temperature Max(Tsmax)
-Time(min to max)(t s )
100oC
150oC
60~120sec
Tsmax to TL
-Ramp-upRate
<3oC/sec
Time maintained above:
-Temperature(TL )
-Time(tL )
183oC
60~150sec
255oC-0/+5 oC
Peak Temperature(T P )
Time within 5 oC of actual Peak
Temperature(tP )
10~30sec
Ramp-down Rate
<6 oC/sec
Time 25oC to Peak Temperature
<6minutes
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Page 8
Document ID
Issued Date
DS-221801
2008/02/10
Revised Date
-
Revision
Page.
A
9
Formosa MS
SMD Transient Voltage Suppressor
SMAJ Series
High reliability test capabilities
Item Test
Conditions
Reference
O
1. Solder Resistance
at 260±5 C for 10±2sec.
immerse body into solder 1/16"±1/32"
MIL-STD-750D
METHOD-2031
2. Solderability
at 245±5 OC for 5 sec.
MIL-STD-202F
METHOD-208
3. High Temperature Reverse Bias
V R=V RWM , rate at T A=150 OC for 168 hrs.
MIL-STD-750D
METHOD-1026
4. Forward Operation Life
Rated average rectifier current at T=25 OC for 500hrs.
MIL-STD-750D
METHOD-1027
T A = 25 OC, I F = I T
On state: power on for 5 min.
off state: power off for 5 min.
on and off for 500 cycles.
MIL-STD-750D
METHOD-1036
5. Intermittent Operation Life
6. Pressure Cooker
15P SIG at TA=121 OC for 4 hrs.
7. Temperature Cycling
-55 OC to +125OC dwelled for 30 min.
and transferred for 5min. total 10 cycles.
8. Thermal Shock
9. Forward Surge
10. Humidity
11. High Temperature Storage Life
12. Solvent Resistance
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MIL-STD-750D
METHOD-1051
MIL-STD-750D
METHOD-1056
0 OC for 5 min. rise to 100 OC for 5 min. total 10 cycles.
MIL-STD-750D
METHOD-4066-2
8.3ms single half sine-wave superimposed
on rated load, one surge.
at TA=65 OC, RH=98% for 1000hrs.
MIL-STD-750D
METHOD-1038
at 175OC for 1000 hrs.
MIL-STD-750D
METHOD-1031
Dip into Freon at 25OC for 1 min.
MIL-STD-202F
METHOD-215
Page 9
Document ID
Issued Date
DS-221801
2008/02/10
Revised Date
-
Revision
Page.
A
9