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SMAJ78 PDF预览

SMAJ78

更新时间: 2024-11-28 22:53:51
品牌 Logo 应用领域
威世 - VISHAY 二极管
页数 文件大小 规格书
4页 71K
描述
SURFACE MOUNT TRANSZORB⑩ TRANSIENT VOLTAGE SUPPRESSOR

SMAJ78 数据手册

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SMAJ5.0 THRU SMAJ170CA  
SURFACE MOUNT TRANSZORB™ TRANSIENT VOLTAGE SUPPRESSOR  
Stand-off Voltage - 5.0 to 170 Volts  
Peak Pulse Power - 300 Watts  
FEATURES  
Optimized for LAN protection applications  
Ideal for ESD protection of data lines in accordance  
with IEC 1000-4-2 (IEC801-2)  
DO-214AC  
Ideal for EFT protection of data lines in accordance with  
IEC1000-4-4 (IEC801-4)  
Plastic package has Underwriters Laboratory  
Flammability Classification 94V-0  
0.065 (1.65)  
0.049 (1.25)  
0.110 (2.79)  
0.100 (2.54)  
Glass passivated junction  
Excellent clamping capability  
Low incremental surge resistance  
Fast response time: typically less than 1.0ps from 0 Volts  
0.177 (4.50)  
0.157 (3.99)  
to V  
min.  
(BR)  
0.012 (0.305)  
0.006 (0.152)  
300W peak pulse power capability with a 10/1000µs  
waveform, repetition rate (duty cycle): 0.01%  
High temperature soldering guaranteed:  
250°C/10 seconds at terminals  
0.090 (2.29)  
0.078 (1.98)  
0.060 (1.52)  
0.030 (0.76)  
MECHANICAL DATA  
Case: JEDEC DO-214AC molded plastic body over  
passivated chip  
0.008 (0.203)  
MAX.  
0.208 (5.28)  
0.194 (4.93)  
Terminals: Solder plated, solderable per MIL-STD-750,  
Method 2026  
Polarity: For uni-directional types the color band denotes  
the cathode, which is postitive with respect to the anode  
under normal TVS operation  
Dimensions in inches and (millimeters)  
Mounting Position: Any  
Weight: 0.002 ounces, 0.064 gram  
DEVICES FOR BIDIRECTIONAL APPLICATIONS  
For bi-directional use suffix C or CA for types SMAJ5.0 thru SMAJ170 (e.g. SMAJ5.0C, SMAJ170CA)  
Electrical characteristics apply in both directions.  
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS  
Ratings at 25°C ambient temperature unless otherwise specified.  
SYMBOLS  
PPM  
VALUE  
UNITS  
Watts  
Amps  
Peak pulse power dissipation with a 10/1000µs waveform (NOTE 1, 2, FIG.1)  
Peak pulse current with a 10/1000µs waveform (NOTE 1)  
Minimum 300  
SEE TABLE 1  
IPPM  
Peak forward surge current 8.3ms single half sine-wave superimposed  
on rated load (JEDEC Method) (NOTES 2, 3) - unidirectional only  
IFSM  
40.0  
Amps  
Maximum instantaneous forward voltage at 25A (NOTE 3)  
Operating junction and storage temperature range  
VF  
3.5  
Volts  
°C  
TJ, TSTG  
-55 to +150  
NOTES:  
(1) Non-repetitive current pulse, per Fig.3 and derated above TA=25°C per Fig. 2  
(2) Mounted on 0.2 x 0.2” (5.0 x 5.0mm) copper pads to each terminal  
(3) Measured on 8.3ms single half sine-wave. For uni-directional devices only.  
1/20/99  

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