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參數資料
| 型號： | SA28T |
| 元件分類： | TVS二極管 - 瞬態電壓抑制 |
| 英文描述： | 500 W, UNIDIRECTIONAL, SILICON, TVS DIODE, DO-204AC |
| 封裝： | ROHS COMPLIANT, PLASTIC, DO-15, 2 PIN |
| 文件頁數： | 1/4頁 |
| 文件大?。?/td> | 141K |
| 代理商： | SA28T |
Silicon Avalanche Diodes
291
www .littelfuse .com
500 Watt Axial Leaded Transient Voltage Suppressors
MAXIMUM RATINGS AND CHARACTERISTICS @25C
AMBIENT TEMPERATURE (unless otherwise noted)
UNIT
Watts
Amps
Watts
Amps
°C
Notes:
1. Non-repetitive current pulse, per Fig.3 and derated above
TA= 25C per Fig.2
2. Mounted on Copper Pad area of 1.6x1.6"(40x40mm)
per Fig.5.
3. 8.3 ms single half sine-wave, or equivalent square wave, Duty
cycle= 4 pulses per minutes maximum.
The SA Series is designed specifically to protect sensitive
electronics equipment from voltage transients induced by
lightning and other transient voltage events. These devices are
ideal for the protection of I/O interfaces, Vcc bus and other
vulnerable circuits used in computer and consumer electronic
applications.
FEATURES
RoHS Compliant
5.0 to 180 Volts
Uni-directional and Bi-directional
Glass passivated chip junction
500W peak pulse power capability on 10/1000s waveform
Excellent clamping capability
Repetition rate (duty cycle): 0.01%
Low incremental surge resistance
Fast response time: typically less than 1.0ps from 0 Volts to
BV for unidirectional and 5.0ns for bidirectional types
Typical IR less than 1A above 10V
High temperature soldering guaranteed: 265C/10
seconds/.375",(9.5mm) lead length, 5lbs.,(2.3kg) tension
Agency Approvals: Recognized under the Components
Program of Underwriters Laboratories.
Agency File Number: E128662
SA
C A
Voltage
Bi-Directional
5%Voltage Tolerance
Packing Option
B = Bulk (1000 pcs)
T = Tape and reeled (4000 pcs)
SYMBOL
PPPM
IPPM
PM(AV)
IFSM
Tj, TSTG
VALUE
Min
500
SEE
TABLE 1
3
70
-55 to +175
RATING
Peak Pulse Power Dissipation on
10/1000s waveform(Note 1, FIG. 1)
Peak Pulse Current of on 10/1000s
waveform (Note 1, FIG. 3)
Steady State Power Dissipation at
TL=75C, Lead lengths .375",
(9.5mm)(Note 2)
Peak Forward Surge Current, 8.3ms
Single Half Sine-Wave Superimposed
on Rated Load, (JEDEC Method)
(Note 3)
Operating junction and Storage
Temperature Range
Mechanical Specifications:
Weight:
0.015 ounce, 0.4 gram
Case:
JEDEC DO-15 Molded Plastic over
passivated junction
Mounting Position:
Any
Polarity:
Color band denotes cathode except
Bidirectional
Terminal:
Plated Axial leads, solderable per
MIL-STD-750, Method 2026
ORDERING INFORMATION
SA Series
RoHS
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