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SMAJ20A

更新时间： 2024-11-15 04:31:51
品牌 Logo 应用领域
银河微电 - BL Galaxy Electrical 二极管光电二极管局域网
页数 文件大小 规格书
4页 114K
描述
TRANSIENT VOLTAGE SUPPRESSOR

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SMAJ20A 数据手册

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GALAXY ELECTRICAL  
SMAJ5.0 - - - SMAJ188CA  
BL  
BREAKDOWN VOLTAGE: 5.0 --- 188 V  
PEAK PULSE POWER: 400 W  
TRANSIENT VOLTAGE SUPPRESSOR  
FEATURES  
Plastic package has underwriters laboratory  
flammability classification 94V-0  
Optimized for LAN protection applications  
Low profile package with built-in strain relief for  
surface mounted applications  
DO-214AC(SMA)  
Glass passivated junction  
Low incremental surge resistance, excellent clamping  
capability  
400W peak pulse power capability with a 10/1000µs wave-  
form, 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: foruni-directional types the color band denotes  
the cathode, which is postitive with respect to the  
anode under normal TVS operation  
Mounting position: any Weight: 0.002 ounces, 0.064 grams  
Devices for Bidirectional Applications  
For bi-directional devices, use suffixC or CA (e.g. SMAJ10C, SMAJ10CA). Electrical characteristics applyin both directions.  
MAXIMUM RATINGS AND CHARACTERISTICS  
Ratings at 25 ambient temperature unless otherwise specified.  
SYMBOL  
PPPM  
VALUE  
UNIT  
W
Peak pow er dissipation w ith a 10/1000μs w aveform (NOTE1,2, FIG.1)  
Peak pulse current w ith a 10/1000μs w aveform (NOTE1)  
Minimum 400  
See next table  
IPPM  
A
Typical thermal resistance, junction to ambient (NOTE3)  
RθJA  
120.0  
40.0  
/W  
A
Peak forw ard surge current, 8.3ms single half sine-w ave  
ffff uni-directional only (NOTE2)  
IFSM  
Typical thermal resistance, junction to ambient (NOTE3)  
Operating junction and storage temperature range  
RθJL  
30  
/W  
TJ, TSTG  
-55---+150  
NOTES: (1) Non-repetitive current pules, per Fig. 3 and derated above TA=25 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.  
www.galaxycn.com  
(3) Mounted on minimum recommended pad layout.  
BLGALAXY ELECTRICAL  
1.  
Document Number 0285005  
1234

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