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參數(shù)資料
型號(hào): 1N749B
廠商: Microsemi Corporation
元件分類: 參考電壓二極管
英文描述: Low Current Operation at 250??A???Low Reverse Leakage,Low Noise Zener Diode(250??A?·¥?????μ?μ?????°????????????μ?μ?????????a?£°???é???o3?o???????)
中文描述: 在250μA低電流操作,低反向漏,低噪聲穩(wěn)壓二極管(250μA工作電流,小反向漏電流,低噪聲,齊納二極管)
文件頁(yè)數(shù): 1/3頁(yè)
文件大小: 33K
代理商: 1N749B
Note:
(1) Valid provided that leads at a distance of 8 mm from case are kept at ambient temperature.
Features
1N746 THRU 1N759
SILICON PLANAR ZENER DIODES
Silicon Planar Zener Diodes
Standard Zener voltage tolerance is
10%. Add suffix A
for
5% tolerance. Other tolerances, non standard and
higher Zener voltages upon request.
Absolute Maximum Ratings (T
a=25
)
1
Symbols
Values
Units
Zener current see Table "Characteristics"
Power dissipation at T
amb=50
P
tot
400 1)
mW
Junction Temperature
T
j
175
Storage temperature range
T
S
-65 to +175
Note:
(1) Valid provided that leads at a distance of 8 mm from case are kept at ambient temperature.
Characteristics at T
amb=25
Symbols
Min.
Typ.
Max.
Units
Thermal resistance
junction to ambient Air
R
thA
-
0.3 1)
K/mW
Forward voltage at I
F=200mA
V
F
--
1.2
V
DIMENSIONS
DIM
inches
mm
Note
Min.
Max.
Min.
Max.
A
-
0.154
-
3.9
B
-
0.075
-
1.9
C
-
0.020
-
0.52
D
1.083
-
27.50
-
相關(guān)PDF資料
PDF描述
1N749B-1 Low Current Operation at 250??A???Low Reverse Leakage,Low Noise Zener Diode(250??A?·¥?????μ?μ?????°????????????μ?μ?????????a?£°???é???o3?o???????)
1N749BTR Low Current Operation at 250??A???Low Reverse Leakage,Low Noise Zener Diode(250??A?·¥?????μ?μ?????°????????????μ?μ?????????a?£°???é???o3?o???????)
1N749BTR-1 Low Current Operation at 250??A???Low Reverse Leakage,Low Noise Zener Diode(250??A?·¥?????μ?μ?????°????????????μ?μ?????????a?£°???é???o3?o???????)
1N749BUR Low Current Operation at 250??A???Low Reverse Leakage,Low Noise Zener Diode(250??A?·¥?????μ?μ?????°????????????μ?μ?????????a?£°???é???o3?o???????)
1N749BUR-1 Low Current Operation at 250??A???Low Reverse Leakage,Low Noise Zener Diode(250??A?·¥?????μ?μ?????°????????????μ?μ?????????a?£°???é???o3?o???????)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
1N749B-1 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:SILICON 400 mW ZENER DIODES
1N749BTR 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:SILICON 400 mW ZENER DIODES
1N749BTR-1 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:SILICON 400 mW ZENER DIODES
1N749BUR 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:SILICON 400 mW ZENER DIODES
1N749BUR-1 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:SILICON 400 mW ZENER DIODES
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