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SMAJ18CA の電気的特性と機能

SMAJ18CAのメーカーはWeitronです、この部品の機能は「(SMAJ Series) 400W Surface Mount Transient Voltage Suppressors」です。


製品の詳細 ( Datasheet PDF )

部品番号 SMAJ18CA
部品説明 (SMAJ Series) 400W Surface Mount Transient Voltage Suppressors
メーカ Weitron
ロゴ Weitron ロゴ 




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SMAJ18CA Datasheet, SMAJ18CA PDF,ピン配置, 機能
www.DataSheet.co.kr
400W Surface Mount
Transient Voltage Suppressors
Feature:
* 400 Watt Peak Power Dissipation
* Glass Passivated Die Construction
* Excellent Clamping Capability Fast Response Time
* Plastic Material Has UL Flammability Classification Rating 94V-O
Mechanical Data
* Case:Transfer Molded Epoxy
* Polarity: Indicator by Cathode Band
(Bi-directional Devices Has no Polarity Indicator)
* Terminals: Solderable per MIL-STD-202 Method 208
* Weight: 0.064grams(approx)
SMAJ5.0A/CA thru
SMAJ170A/CA
Peak Pulse Power
400 Watt
Stand-off Voltage
5.0 To 170 VOLTS
SMA(DO-214AC)
Maximum Ratings
Characteristics
Peak Pulse Power Dissipation
on 10/1000us Waveform(1)(2)(FIG1)
Peak Pulse Current of
on 10/1000us Waveform(FIG3)
Peak Forward Surge Current 8.3ms Single
Half Sine-Wave, Superimposed on Rated
Load(JEDEC Method)(2)(3)
Operating and Storage Junction Temperature
Range
Symbol
PPPM
I PPM
I FSM
Tj, T STG
Value
400
see
Table
40
-55 to -150
Unit
W
A
A
C
NOTE: 1. Non-Repetitive Current Pulse, per FIG3 and Derated above TA=25 C per FIG2
2. Mounted on 5.0mm2 Copper Pads to each Terminal
3. 8.3ms Single Half Sine-Wave, or equivalent Square Wave, Duty Cycle=4 pulses per minutes Maximum.
WEITRON
http://www.weitron.com.tw
Datasheet pdf - http://www.DataSheet4U.net/

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SMAJ18CA pdf, ピン配列
www.DataSheet.co.kr
SMAJ5.0A/CA thru
SMAJ170A/CA
100
10
S MAJ 85 --
S MAJ 170
1
Non-repetitive P uls e
Waveform s hown in F IG . 3
T A = 25 oC
S MAJ 5.0 --
S MAJ 78
0.2 x 0.2" (5.0 x 5.0mm)
C opper P ad Areas
0.1
0.1ms 1.0ms
10ms
100ms 1.0ms 10ms
td — P uls e Width (s ec.)
FIG.1 – Peak Pulse Power Rating Curve
150
tr = 10 us ec.
T J = 25 oC
P uls e Width (td)
is defined as the point
P eak Value
where the peak current
IP P M
100
decays to 50% of IP P M
Half Value — IP P
IP P M
2
50 10/1000 s ec. Waveform
as defined by R .E .A.
td
0
0 1.0 2.0 3.0
t — Time (ms )
FIG. 3 – Pulse Wavef orm
4.0
1000
100
10
100
75
50
25
0.2 x 0.2" (5.0 x 5.0mm)
C opper P ad Areas
0
0 25 50 75 100 125 150 175 200
T A — Ambient Temperature ( oC )
FIG. 2 –Pulse Derating Curve
10,000
1,000
T J = 25 oC
f = 1.0MHz
V s ig = 50mV p-p
Measured at
S tand-Off
Voltage, V WM
U ni-D ire c tiona l
100 B i-Directional
10
1 10 100
V WM — R evers e S tand-off Voltage (V )
FIG. 4 – Typical Junction Capacitance
200
200
T J = T J max.
8.3ms S ingle Half S ine-Wave
(J E DE C Method)
100
50
1
0.001
0.01 0.1 1 10 100
tp — P uls e Duration (s ec)
1000
FIG.5 – Typical Transient Thermal
Impedance
10
1
5 10
50 100
Number of C ycles at 60 Hz
FIG.6 - Maximum Non-Repetitive Forward
Surge Current Uni-Directional Only
WEITRON
http://www.weitron.com.tw
Datasheet pdf - http://www.DataSheet4U.net/


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