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參數資料
| 型號： | 1.5SMC51A |
| 廠商： | Vishay Intertechnology,Inc. |
| 元件分類： | TVS-瞬態抑制二極管 |
| 英文描述： | Surface Mount TRANSZORB Transient Voltage Suppressors |
| 中文描述： | 表面貼裝TRANSZORB瞬態電壓抑制器 |
| 文件頁數： | 1/3頁 |
| 文件大小： | 40K |
| 代理商： | 1.5SMC51A |
Surface Mount T
RANS
Z
ORB
Transient Voltage Suppressors
Extended
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
Peak power dissipation with a 10/1000
μ
s waveform
(1)(2)
(Fig. 1)
Peak pulse current with a 10/1000
μ
s waveform
(1)
(Fig. 3)
Symbol
Value
Unit
P
PPM
1500
W
I
PPM
See Next Table
A
Power dissipation on infinite heatsink, T
A
= 50
°
C
P
M(AV)
6.5
W
Peak forward surge current 8.3ms single half sine-wave
uni-directional only
(2)
Thermal resistance junction to ambient air
(3)
I
FSM
200
A
R
θ
JA
75
°
C/W
Thermal resistance junction to leads
R
θ
JL
15
°
C/W
Operating junction and storage temperature range
T
J
, T
STG
–
65 to +150
°
C
Notes:
(1) Non-repetitive current pulse, per Fig.3 and derated above T
A
= 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
μ
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
VoltageRange
1.5SMC Series
Vishay Semiconductors
formerly General Semiconductor
Document Number 88303
31-Jul-03
www.vishay.com
1
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