CYStech Electronics Corp.
Surface Mount Transient Voltage Suppressors
Peak Pulse Power 400W Stand Off Voltage 5.0 to 440V
Spec. No. : C290SA
Issued Date : 2010.01.19
Revised Date : 2013.05.07
Page No. : 1/9
SMAJ5.0 thru SMAJ440CA
Features
•
Low profile package with built-in strain relief for surface mounted
applications
•
Plastic package has UL flammability classification 94V-0
•
Ideal for ESD protection of data line in accordance with IEC1000-4-2
(IEC801-2)
•
Ideal for EFT protection of data line in accordance with IEC1000-4-4
(IEC801-4)
•
Very-fast response time
•
Optimized for LAN protection applications
•
Low incremental surge resistance, excellent clamping capability
•
Glass passivated junction
•
High temperature soldering guaranteed: 250°C/10seconds at terminals
•
400W peak pulse power capability with a 10/1000μs waveform,
repetition rate (duty cycle) : 0.01% (300W above 78V)
Outline
DO-214AC (SMA)
Mechanical Data
•
Case : JEDEC DO-214AC(SMA) molded plastic body
•
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
•
Weight: 0.002 oz., 0.064 gram
Devices for bidirectional applications
For bi-directional devices, electrical characteristics apply in both directions.
Maximum Ratings and Characteristics
(T
A
=25°C, unless otherwise noted)
Parameter
Peak pulse power dissipation with a 10/1000μs waveform
(Fig. 1)
Peak pulse current with a 10/1000μs waveform
(Fig. 3)
Peak forward surge current, 8.3ms single half sine wave
uni-directional only
(Note 2)
Typical thermal resistance, junction-to-case
Typical thermal resistance, junction-to-ambient
(Note 3)
Maximum instantaneous forward voltage at 25A for
unidirectional only
(Note 4)
Operating junction and storage temperature range
Symbol
P
PPM
I
PPM
I
FSM
R
θJC
R
θJA
V
F
T
J
;T
STG
Value
Minimum 400
(Note 1, 2)
See next table
(Note 1)
40
32
120
3.5 / 5.0
-55 ~ +150
Rating is 300W above78V.
Unit
W
A
A
°C/W
°C/W
V
°C
Notes: 1.Non-repetitive current pulse, per Fig. 3 and derated above T
A
=25°C per Fig. 2.
2.Mounted on 0.2”×0.2” (5mm×5mm) copper pads to each terminal.
3.Mounted on minimum recommended pad layout.
4.V
F
<3.5V for devices of V
BR
<200V and V
F
<5V for devices of V
BR
>201V.
SMAJ5.0 thru SMAJ440CA
CYStek Product Specification
CYStech Electronics Corp.
Electrical Characteristics(Cont.)
Part Number
UNI
SMAJ110
SMAJ110A
SMAJ120
SMAJ120A
SMAJ130
SMAJ130A
SMAJ140
SMAJ140A
SMAJ150
SMAJ150A
SMAJ160
SMAJ160A
SMAJ170
SMAJ170A
SMAJ180
SMAJ180A
SMAJ190
SMAJ190A
SMAJ200A
SMAJ220A
SMAJ250A
SMAJ300A
SMAJ350A
SMAJ400A
SMAJ440A
BI
SMAJ110C
SMAJ110CA
SMAJ120C
SMAJ120CA
SMAJ130C
SMAJ130CA
SMAJ140C
SMAJ140CA
SMAJ150C
SMAJ150CA
SMAJ160C
SMAJ160CA
SMAJ170C
SMAJ170CA
SMAJ180C
SMAJ180CA
SMAJ190C
SMAJ190CA
SMAJ200CA
SMAJ220CA
SMAJ250CA
SMAJ300CA
SMAJ350CA
SMAJ400CA
SMAJ440CA
Device
Marking
Code
UNI
SD
SE
SF
SG
SH
SK
SA
SB
SL
SM
SN
SP
SQ
SR
SS
ST
SU
SV
SW
SX
SZ
DE
DG
DK
DM
BI
VD
VE
VF
VG
VH
VK
VA
VB
VL
VM
VN
VP
VQ
VR
VS
VT
VU
VV
VW
VX
VZ
HE
HG
HK
HM
Breakdown
Voltage
V
BR
@ I
T
(V)
Min
122
122
133
133
144
144
155
155
167
167
178
178
189
189
200
200
211
211
224
246
279
335
391
447
492
Max
149
135
163
147
176
159
190
171
204
185
218
197
231
209
245
222
258
232
247
272
309
371
432
494
543
Test
current
at I
T
(mA)
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
Reverse
standoff
voltage
V
RWM
(V)
110
110
120
120
130
130
140
140
150
150
160
160
170
170
180
180
180
180
200
220
250
300
350
400
440
Maximum
reverse
leakage at
V
RWM
I
R
(μA)
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
Spec. No. : C290SA
Issued Date : 2010.01.19
Revised Date : 2013.05.07
Page No. : 4/9
Maximum
Maximum clamping
peak pulse voltage at
Current
I
PPM
V
C
I
PPM
(A)
(V)
1.5
196
1.7
177
1.4
214
193
1.6
231
1.3
209
1.4
251
1.6
227
1.8
1.1
268
243
1.2
287
1.0
259
1.2
304
0.99
275
1.09
322
1.2
292
1.4
340
1.2
308
1.3
324
1.2
1.1
356
1.0
405
0.8
486
0.7
567
0.6
648
0.6
713
Note: 1.Suffix ‘A’ denotes 5% tolerance device. Without ‘A’ denotes 10% tolerance device.
2.Add suffix ‘C’ or ‘CA’ after part number to specify bi-directional devices.
3.For bi-directional devices with V
R
of 10 volts and less, the I
R
limit is doubled.
SMAJ5.0 thru SMAJ440CA
CYStek Product Specification
嵌入式系统
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
