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參數資料
| 型號： | 1.5SMC540A |
| 廠商： | Littelfuse, Inc. |
| 英文描述： | Silicon Avalanche Diodes - 1500W Surface Mount Transient Voltage Supressors |
| 中文描述： | 硅雪崩二極管- 1500W的表面貼裝瞬態電壓Supressors |
| 文件頁數： | 1/4頁 |
| 文件大小： | 68K |
| 代理商： | 1.5SMC540A |
- 554 -
.129(3.27)
.012(.31)
.008(.20)
.004(.10)
.060(1.52)
.245(6.22)
.280(7.11)
.260(6.60)
.103(2.62)
.079(2.00)
.320(8.13)
.305(7.75)
REV.1 Jan.-2004
1.5SMC SERIES
Surface Mount Transient Voltage Suppressor
Voltage Range
6.8 to 200 Volts
1500 Watts Peak Power
Features
For surface mounted application in order to optimize board
space
Low profile package
Built-in strain relief
Glass passivated junction
Excellent clamping capability
Fast response time: Typically less than 1.0ps from 0 volt to
BV min.
Typical I
R
less than 1
μ
A above 10V
High temperature soldering guaranteed:
260
O
C / 10 seconds at terminals
Plastic material used carries Underwriters Laboratory
Flammability Classification 94V-0
1500 watts peak pulse power capability with a 10 X 1000 us
waveform by 0.01% duty cycle
Mechanical Data
Case: Molded plastic
Terminals: Solder plated
Polarity: Indicated by cathode band
Standard packaging: 16mm tape (EIA STD RS-481)
Weight: 0.21gram
Maximum Ratings and Electrical Characteristics
Rating at 25
℃
ambient temperature unless otherwise specified.
Type Number
Peak Power Dissipation at T
A
=25
O
C, Tp=1ms
(Note 1)
Power Dissipation on Intinite Heatsink, T
A
=50
O
C
Peak Forward Surge Current, 8.3 ms Single Half
Sine-wave Superimposed on Rated Load
(JEDEC method) (Note 2, 3) - Unidirectional Only
Thermal Resistance Junction to Ambient Air
(Note 4)
Thermal Resistance Junction to Leads
SMC/DO-214AB
Dimensions in inches and (millimeters)
Symbol
P
PK
P
M(AV)
Value
Units
Watts
W
Minimum 1500
6.5
I
FSM
200
Amps
R
θ
JA
50
O
C/W
R
θ
JL
T
J
, T
STG
15
O
C/W
O
C
Operating and Storage Temperature Range
Notes: 1. Non-repetitive Current Pulse Per Fig. 3 and Derated above T
A
=25
O
C Per Fig. 2.
2. Mounted on 8.0mm
2
(.013mm Thick) Copper Pads to Each Terminal.
3. 8.3ms Single Half Sine-wave or Equivalent Square Wave, Duty Cycle=4 Pulses Per Minute
Maximum.
4. Mounted on 5.0mm
2
(.013mm thick) land areas.
Devices for Bipolar Applications
1. For Bidrectional Use C or CA Suffix for Types 1.5SMC6.8 through Types 1.5SMC200A.
2. Electrical Characteristics Apply in Both Directions.
-55 to + 150
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