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參數資料
| 型號： | SA7.5T |
| 元件分類： | 參考電壓二極管 |
| 英文描述： | 500 W, UNIDIRECTIONAL, SILICON, TVS DIODE, DO-15 |
| 文件頁數： | 1/3頁 |
| 文件大小： | 25K |
| 代理商： | SA7.5T |
16
500 WATT AXIAL TRANSIENT VOLTAGE SUPPRESSORS
Protect sensitive electronics against voltage transients induced by electro-static discharge
(ESD), inductive load switching, and lightning. Ideal for the protection of I/O interfaces,
Vcc bus, and other integrated curcuits used in computer or datacom equipment.
FEATURES
Stand-off voltage Range 5.0 to 170 Volts
Glass Passivated Junction
Excellent clamping capability
Uni-directional and Bi-directional
100% surge tested
MAXIMUM RATING
Peak Pulse Power (Ppk): 500 Watts (10 X 1000s)
(see diagrams on page 6 for wave form)
1.0 Watt Steady State
Response time: 1 X 10-12 seconds (theoretical)
Forward surge rating: 70 Amps, 8.3ms half sine wave, (uni-directional devices only)
Operating & storage temperature: -55°C to +150°C
MECHANICAL DATA
CASE: DO15, Moulded plastic over glass passivated junction
Terminals: Axial leads, solderable per MIL-STD-202 Method 208
Solderable leads = 230°C for 10 seconds (1.59mm from case)
Marking: cathode band (positive terminal, uni-directional
devices only), device code, logo
Weight: 1 gram (approx)
All Dimensions in mm
Figure 1 - Capacitance vs. Working Voltage
1
10
100
1000
10000
10
100
1000
Device Stand-off Voltage - Volts
Bi-directional
Uni-directional
Cj (pf)
1
s
100w
500w
5kw
20kw
2kw
100kw
10
s
10 ms
100
s
1ms
Pulse Time (tp)
Pp
Voltage
5% Voltage Tolerance
Packaging Option
B = Bulk (1000 pcs)
T = Tape and reeled (5000 pcs)
Bi Directional
SA
A
C
ORDERING INFORMATION
SA50.0 - SA170A series
SA5.0 - SA170A series
All products are sold to the commercial specifications shown, for any additional reliability testing or extended parameters, please consult the factory.
contact semitron on: telephone: +44 (0)1793 724000 fax: +44 (0)1793 720401
Figure 2 - Peak Pulse Power vs. Pulse Time
6.10
6.47
25.4 min
0.76
0.86
3.05
3.25
25.4 min
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