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SMAJ78/5A

更新时间： 2024-11-27 13:40:51
品牌 Logo 应用领域
威世 - VISHAY 二极管
页数 文件大小 规格书
5页 89K
描述
Trans Voltage Suppressor Diode, 78V V(RWM), Unidirectional,

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SMAJ78/5A 技术参数

是否Rohs认证：不符合生命周期：Obsolete
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8541.10.00.50风险等级：5.9
Is Samacsys：N击穿电压标称值：96.35 V
最大钳位电压：139 V二极管类型：TRANS VOLTAGE SUPPRESSOR DIODE
JESD-609代码：e0极性：UNIDIRECTIONAL
最大重复峰值反向电压：78 V子类别：Transient Suppressors
表面贴装：YES端子面层：Tin/Lead (Sn/Pb)
Base Number Matches：1

SMAJ78/5A 数据手册

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SMAJ5.0 thru 188CA  
Vishay Semiconductors  
formerly General Semiconductor  
Surface Mount TRANSZORB®  
Transient Voltage Suppressors  
DO-214AC (SMA)  
Stand-off Voltage 5.0 to 188V  
Peak Pulse Power 400W  
Cathode Band  
0.065 (1.65)  
0.049 (1.25)  
0.110 (2.79)  
0.100 (2.54)  
Mounting Pad Layout  
0.066 MIN.  
(1.68 MIN.)  
0.074 MAX.  
(1.88 MAX.)  
0.177 (4.50)  
0.157 (3.99)  
Dimensions in inches  
and (millimeters)  
0.012 (0.305)  
0.006 (0.152)  
0.060 MIN.  
(1.52 MIN.)  
0.208  
(5.28) REF  
0.090 (2.29)  
0.078 (1.98)  
Features  
• Plastic package has Underwriters Laboratory  
Flammability Classification 94V-0  
0.060 (1.52)  
0.030 (0.76)  
0.008 (0.203)  
MAX.  
• Ideal for ESD protection of data lines in  
accordance with IEC 1000-4-2 (IEC801-2)  
0.208 (5.28)  
0.194 (4.93)  
• 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  
Mechanical Data  
Case: JEDEC DO-214AC molded plastic over  
passivated chip  
Terminals: Solder plated, solderable per MIL-STD-750,  
• Glass passivated junction  
• Low incremental surge resistance, excellent clamping  
capability  
• 400W peak pulse power capability with a 10/1000µs  
waveform, repetition rate (duty cycle): 0.01% (300W  
above 78V)  
• Very fast response time  
• High temperature soldering guaranteed:  
250°C/10 seconds at terminals  
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  
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  
PPPM  
IPPM  
Value  
Unit  
Peak pulse power dissipation with  
400  
W
a 10/1000µs waveform(1,2) (see fig. 1)  
Peak pulse current with a waveform(1)  
See Next Table  
40  
A
Peak forward surge current 8.3ms single half sine-wave  
IFSM  
A
uni-directional only(2)  
Typical thermal resistance, junction to ambient(3)  
Typical thermal resistance, junction to lead  
R
120  
30  
°C/W  
°C/W  
°C  
θJA  
R
θJL  
Operating junction and storage temperature range  
TJ, TSTG  
–55 to +150  
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  
Document Number 88390  
17-Feb-04  
www.vishay.com  
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