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參數(shù)資料
| 型號： | SMAJ18CA/5A |
| 廠商： | VISHAY SEMICONDUCTORS |
| 元件分類： | TVS二極管 - 瞬態(tài)電壓抑制 |
| 英文描述： | 400 W, BIDIRECTIONAL, SILICON, TVS DIODE, DO-214AC |
| 封裝： | PLASTIC, SMA, 2 PIN |
| 文件頁數(shù)： | 1/5頁 |
| 文件大?。?/td> | 85K |
| 代理商： | SMAJ18CA/5A |
SMAJ5.0 thru 188CA
Vishay Semiconductors
formerly General Semiconductor
Document Number 88390
www.vishay.com
17-Feb-04
1
Surface Mount TRANSZORB
Transient Voltage Suppressors
Stand-off Voltage 5.0 to 188V
Peak Pulse Power 400W
Devices for Bidirectional Applications
For bi-directional devices, use suffix C or CA (e.g. SMAJ10C, SMAJ10CA). Electrical characteristics apply in both directions.
Maximum Ratings & Thermal Characteristics Ratings at 25°C ambient temperature unless otherwise specified.
Parameter
Symbol
Value
Unit
Peak pulse power dissipation with
PPPM
400
W
a 10/1000
s waveform(1,2) (see fig. 1)
Peak pulse current with a waveform(1)
IPPM
See Next Table
A
Peak forward surge current 8.3ms single half sine-wave
IFSM
40
A
uni-directional only(2)
Typical thermal resistance, junction to ambient(3)
RθJA
120
°C/W
Typical thermal resistance, junction to lead
RθJL
30
°C/W
Operating junction and storage temperature range
TJ, TSTG
–55 to +150
°C
Notes: (1) Non-repetitive current pulse, per Fig. 3 and derated above TA = 25°C per Fig. 2. Rating is 300W above 78V
(2) Mounted on 0.2 x 0.2" (5.0 x 5.0mm) copper pads to each terminal
(3) Mounted on minimum recommended pad layout
0.157 (3.99)
0.177 (4.50)
0.006 (0.152)
0.012 (0.305)
0.030 (0.76)
0.060 (1.52)
0.008 (0.203) MAX.
0.194 (4.93)
0.208 (5.28)
0.100 (2.54)
0.110 (2.79)
0.078 (1.98)
0.090 (2.29)
0.049 (1.25)
0.065 (1.65)
Cathode Band
Dimensions in inches
and (millimeters)
DO-214AC (SMA)
Features
Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
Ideal for ESD protection of data lines in
accordance with IEC 1000-4-2 (IEC801-2)
Ideal for EFT protection of data lines in
accordance with IEC 1000-4-4 (IEC801-4)
Low profile package with built-in strain relief for
surface mounted applications
Glass passivated junction
Low incremental surge resistance, excellent clamping
capability
400W peak pulse power capability with a 10/1000
s
waveform, repetition rate (duty cycle): 0.01% (300W
above 78V)
Very fast response time
High temperature soldering guaranteed:
250
°C/10 seconds at terminals
Mechanical Data
Case: JEDEC DO-214AC molded plastic over
passivated chip
Terminals: Solder plated, solderable per MIL-STD-750,
Method 2026
Polarity: For uni-directional types the band denotes the
cathode, which is positive with respect to the anode
under normal TVS operation
Mounting Position: Any
Weight: 0.002 oz., 0.064 g
Packaging Codes – Options (Antistatic):
51 – 1K per Bulk box, 20K/carton
61 – 1.8K per 7" plastic Reel (12mm tape), 36K/carton
5A – 7.5K per 13" plastic Reel (12mm tape), 75K/carton
0.074 MAX.
(1.88 MAX.)
0.208
(5.28) REF
0.066 MIN.
(1.68 MIN.)
0.060 MIN.
(1.52 MIN.)
Mounting Pad Layout
Extended
Voltage
Range
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