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器件描述：Surface Mount TRANSZORB Transient Voltage Suppressors
器件厂商：VISAY [Vishay Siliconix]
厂商主页：http://www.vishay.com
文件大小：40.81KB
文件页数：3
PDF阅读：1.5SMC51A.pdf (点击阅读器件资料)
摘要：
Surface Mount TRANSZORB
?
Transient Voltage Suppressors
V(BR) Unidirectional
6.8 to 540V
V(BR) Bidirectional
6.8 to 220V
Peak Pulse Power 1500W
Devices for Bidirectional Applications
For bi-directional devices, use suffix CA (e.g. 1.5SMC10CA). Electrical characteristics apply in both directions.
Maximum Ratings & Thermal Characteristics Ratings at 25°C ambient temperature unless otherwise specified.
Parameter Symbol Value Unit
Peak power dissipation with a 10/1000?s waveform
(1)(2)
(Fig. 1) PPPM 1500 W
Peak pulse current with a 10/1000?s waveform
(1)
(Fig. 3) IPPM See Next Table A
Power dissipation on infinite heatsink, TA = 50°CPM(AV) 6.5 W
Peak forward surge current 8.3ms single half sine-wave
IFSM 200 A
uni-directional only
(2)
Thermal resistance junction to ambient air
(3)
RθJA 75 °C/W
Thermal resistance junction to leads RθJL 15 °C/W
Operating junction and storage temperature range TJ, TSTG –65 to +150 °C
Notes: (1) Non-repetitive current pulse, per Fig.3 and derated above TA = 25°C per Fig. 2
(2) Mounted on 0.31 x 0.31” (8.0 x 8.0mm) copper pads to each terminal
(3) Mounted on minimum recommended pad layout
Features
? Low profile package with built-in strain relief for
surface mounted applications
? Glass passivated junction
? Low incremental surge resistance
? Low inductance
? Excellent clamping capability
? 1500W peak pulse power capability with a 10/1000?s
waveform, repetition rate (duty cycle): 0.01%
? Very fast response time
? Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
Mechanical Data
Case: JEDEC DO-214AB (SMC) molded plastic over
passivated junction
Terminals: Solder plated, solderable per MIL-STD-750,
Method 2026. High temperature soldering: 250°C/10
seconds at terminals.
Polarity: For uni-directional types the band denotes the
cathode, which is positive with respect to the anode
under normal TVS operation.
Standard Packaging: 16mm tape (EIA STD RS-481)
Weight: 0.007 oz., 0.21 g
Packaging Codes – Options (Antistatic):
51 – 1K per Bulk box, 10K/carton
57 – 850 per 7" plastic Reel (16mm tape), 8.5K/carton
9A – 3.5K per 13" plastic Reel (16mm tape), 35K/carton
0.280 (7.11)
0.260 (6.60)
0.012 (0.305)
0.006 (0.152)
0.008
(0.203)
Max.
0.320 (8.13)
0.305 (7.75)
0.060 (1.52)
0.030 (0.76)
0.245 (6.22)
0.220 (5.59)
0.126 (3.20)
0.114 (2.90)
0.103 (2.62)
0.079 (2.06)
Cathode Band
Dimensions in inches
and (millimeters)
DO-214AB
(SMC J-Bend)
0.185 MAX.
(4.69 MAX.)
0.121 MIN.
(3.07 MIN.)
0.060 MIN.
(1.52 MIN.)
0.320 REF
Mounting Pad Layout
Extended
V
oltage Range
1.5SMC Series
Vishay Semiconductors
formerly General Semiconductor
Document Number 88303 www.vishay.com
31-Jul-03 1
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