MDE Semiconductor, Inc.
78-150 Calle Tampico, Unit 210, La Quinta, CA. U.S.A. 92253 Tel: 760-564-8656 • Fax: 760-564-2414
SMAJ SERIES
SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR
VOLTAGE-5.0 TO 170 Volts
400 Watt Peak Pulse Power
FEATURES
• For surface mounted applications in order to
optimize board space
• Low profile package
• Built-in strain relief
• Glass passivated junction
• Low inductance
• Excellent clamping capability
• Repetition rate (duty cycle):0.01%
• Fast response time: typically less than
1.0 ps from 0 volts to BV for unidirectional types
• Typical IR less than 1µA above 10V
• High temperature soldering:
250°C/10 seconds at terminals
• Plastic package has Underwriters Laboratory
Flammability Classification 94 V-O
MECHANICAL DATA
Case: JEDEC DO214AC. Molded plastic over glass
passivated junction
Terminals: Solder plated, solderable per
MIL-STD-750, Method 2026
Polarity: Color band denoted positive end (cathode)
except Bidirectional
Standard Packaging: 12mm tape (EIA STD RS-481)
Weight: 0.002 ounces, 0.064 grams)
DEVICES FOR BIPOLAR APPLICATIONS
For Bidirectional use C or CA Suffix for types SMAJ5.0 thru types SMAJ170 (e.g. SMAJ5.0C, SMAJ170CA)
Electrical characteristics apply in both directions.
MAXIMUM RATINGS AND CHARACTERISTICS
Ratings at 25°C ambient temperature unless otherwise specified.
RATING
SYMBOL
VALUE
UNITS
Peak Pulse Power Dissipation on 10/1000 µs
Minimum 400
Watts
P
ppm
waveform
(NOTE 1, 2, Fig.1)
Peak Pulse Current of on 10/1000 µs waveform
(Note 1,Fig 3)
Ippm
SEE TABLE 1
Amps
Peak Forward Surge Current, 8.3ms Single Half Sine-wave
40
Amps
I
FSM
Superimposed on Rated Load,
(JEDEC Method)(Note2, 3)
Operatings and Storage Temperature Range
Tj, Tstg
-55 +150
°C
NOTES:
1. Non-repetitive current pulse, per Fig.3 and derated above Ta=25 °C per Fig.2.
2. Mounted on Copper Pad area of 0.8x0.8" (20x20mm) per Fig.5.
3. 8.3ms single half sine-wave, or equivalent square wave, Duty cycle=4 pulses per minutes maximum.
8/6/2002
MDE Semiconductor, Inc.
78-150 Calle Tampico, Unit 210, La Quinta, CA., USA 92253 Tel: 760-564-8656 • Fax: 760-564-2414
400 Watt Surface Mount TVS
DEVICE
DEVICE
UNI-
CIRECTIONAL MARKING MARKING
CODE BI-
CODE
PART
UNI-POLAR
NUMBER
POLAR
MAXIMUM
TEST
REVERSE BREAKDOWN BREAKDOWN
VOLTAGE CURRENT CLAMPING
VOLTAGE
STANDOFF
VOLTAGE
(It)
VBR (V)
VBR (V)
VOLTAGE
@Ipp Vc (V)
mA
MAX. @ IT
MIN. @ IT
VRWM (V)
PEAK
PULSE
CURRENT
Ipp (A)
REVERSE
LEAKAGE
@ VRWM
IR (µA)
SMAJ36
SMAJ36A
SMAJ40
SMAJ40A
SMAJ43
SMAJ43A
SMAJ45
SMAJ45A
SMAJ48
SMAJ48A
SMAJ51
SMAJ51A
SMAJ54A
SMAJ54A
SMAJ58
SMAJ58A
SMAJ60
SMAJ60A
SMAJ64
SMAJ64A
SMAJ70
SMAJ70A
SMAJ75
SMAJ75A
SMAJ78
SMAJ78A
SMAJ85
SMAJ85A
SMAJ90
SMAJ90A
SMAJ100
SMAJ100A
SMAJ110
SMAJ110A
SMAJ120
SMAJ120A
SMAJ130
SMAJ130A
SMAJ150
SMAJ150A
SMAJ160
SMAJ160A
SMAJ170
SMAJ170A
CN
CP
CQ
CR
CS
CT
CU
CV
CW
CX
CY
CZ
RD
RE
RF
RG
RH
RK
RL
RM
RN
RP
RQ
RR
RS
RT
RU
RV
RW
RX
RY
RZ
SD
SE
SF
SG
SH
SK
SL
SM
SN
SP
SQ
SR
YN
YP
YQ
YR
YR
YT
YU
YV
YW
YX
YY
YZ
ZD
ZE
ZF
ZG
ZH
ZK
ZL
ZM
ZN
ZP
ZQ
ZR
ZS
ZT
ZU
ZV
ZW
ZX
ZY
ZZ
VD
VE
VF
VG
VH
VK
VL
VM
VN
VP
VQ
VR
36.00
36.00
40.00
40.00
43.00
43.00
45.00
45.00
48.00
48.00
51.00
51.00
54.00
54.00
58.00
58.00
60.00
60.00
64.00
64.00
70.00
70.00
75.00
75.00
78.00
78.00
85.00
85.00
90.00
90.00
100.00
100.00
110.00
110.00
120.00
120.00
130.00
130.00
150.00
150.00
160.00
160.00
170.00
170.00
40.00
40.00
44.40
44.40
47.80
47.80
50.00
50.00
53.30
53.30
56.70
56.70
60.00
60.00
64.40
64.40
66.70
66.70
71.10
71.10
77.80
77.80
83.30
83.30
86.70
86.70
94.40
94.40
100.00
100.00
111.00
111.00
122.00
122.00
133.00
133.00
144.00
144.00
167.00
167.00
178.00
178.00
189.00
189.00
48.90
44.20
54.30
49.10
58.40
52.80
61.10
55.30
65.20
58.90
69.30
62.70
73.30
66.30
78.70
71.20
81.50
73.70
86.90
78.60
95.10
86.00
102.00
92.10
106.00
95.80
115.00
104.00
122.00
111.00
136.00
123.00
149.00
135.00
163.00
147.00
176.00
159.00
204.00
185.00
218.00
197.00
231.00
209.00
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
64.3
58.1
71.4
64.5
76.7
69.4
80.3
72.7
85.5
77.4
91.1
82.4
96.3
87.1
103.0
93.6
107.0
96.8
114.0
103.0
125.0
113.0
134.0
121.0
139.0
126.0
151.0
137.0
160
146
179
162
196
177
214.0
193
230
209
268
243
287
259
304.0
275
6.2
6.9
5.6
6.2
5.20
5.8
5.0
5.5
4.7
5.2
4.4
4.9
4.2
4.6
3.9
4.3
3.7
4.1
3.5
3.9
3.2
3.5
3.0
3.3
2.9
3.2
2.0
2.2
1.9
2.1
1.7
1.9
1.5
1.7
1.4
1.6
1.3
1.4
1.1
1.2
1
1.2
0.99
1.09
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
For Bidirectional type having Vrwm of 10volts and less, the IR limit is double.
8/6/2002
嵌入式系统
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