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參數資料
| 型號： | 1N749A-1 |
| 廠商： | MICROSEMI CORP-LAWRENCE |
| 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： | 4.3 V, 0.5 W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, DO-35 |
| 封裝： | HERMETIC SEALED, GLASS PACKAGE-2 |
| 文件頁數： | 1/3頁 |
| 文件大小： | 33K |
| 代理商： | 1N749A-1 |
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PDF資料 |
PDF描述 |
|---|---|
| 1N749ATR | Low Current Operation at 250??A???Low Reverse Leakage,Low Noise Zener Diode(250??A?·￥?????μ?μ?????°????????????μ?μ?????????a?￡°???é???o3?o???????) |
| 1N749ATR-1 | Low Current Operation at 250??A???Low Reverse Leakage,Low Noise Zener Diode(250??A?·￥?????μ?μ?????°????????????μ?μ?????????a?￡°???é???o3?o???????) |
| 1N749AUR | Low Current Operation at 250??A???Low Reverse Leakage,Low Noise Zener Diode(250??A?·￥?????μ?μ?????°????????????μ?μ?????????a?￡°???é???o3?o???????) |
| 1N749AUR-1 | LEADLESS PACKAGE FOR SURFACE MOUNT |
| 1N749AURTR | Low Current Operation at 250??A???Low Reverse Leakage,Low Noise Zener Diode(250??A?·￥?????μ?μ?????°????????????μ?μ?????????a?￡°???é???o3?o???????) |
相關代理商/技術參數 |
參數描述 |
|---|---|
| 1N749A1J | 制造商: 功能描述: |
| 1N749A1JAN | 制造商: 功能描述: |
| 1N749A-1JANTX | 制造商:Microsemi Corporation 功能描述: |
| 1N749A-1JANTX/T/R/ROCKWELL | 制造商:Microsemi Corporation 功能描述:ZENER SGL 4.3V 5% 480MW 2PIN DO-35 - Tape and Reel |
| 1N749ARL | 制造商:Motorola Inc 功能描述:4.3 V, 0.5 W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, DO-204AH |
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