參數(shù)資料
型號(hào): 1N749
廠商: MICROSEMI CORP-SCOTTSDALE
元件分類: 參考電壓二極管
英文描述: Low Current Operation at 250 ,Low Reverse Leakage,Low Noise Zener Diode
中文描述: 4.3 V, 0.417 W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, DO-204AA
封裝: HERMETIC SEALED, GLASS, DO-7, 2 PIN
文件頁(yè)數(shù): 1/3頁(yè)
文件大?。?/td> 33K
代理商: 1N749
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
-
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
1N749-1 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:SILICON 400 mW ZENER DIODES
1N749A 功能描述:穩(wěn)壓二極管 4.3V .5W RoHS:否 制造商:Vishay Semiconductors 齊納電壓:12 V 電壓容差:5 % 電壓溫度系數(shù):0.075 % / K 齊納電流: 功率耗散:3 W 最大反向漏泄電流:3 uA 最大齊納阻抗:7 Ohms 最大工作溫度:+ 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DO-214AC 封裝:Reel
1N749A BK 功能描述:DIODE ZENER 4.3V 500MW DO35 制造商:central semiconductor corp 系列:- 包裝:散裝 零件狀態(tài):有效 電壓 - 齊納(標(biāo)稱值)(Vz):4.3V 容差:±5% 功率 - 最大值:500mW 阻抗(最大值)(Zzt):22 歐姆 不同?Vr 時(shí)的電流 - 反向漏電流:2μA @ 1V 不同 If 時(shí)的電壓 - 正向(Vf):1.5V @ 200mA 工作溫度:-65°C ~ 200°C 安裝類型:通孔 封裝/外殼:DO-204AH,DO-35,軸向 供應(yīng)商器件封裝:DO-35 標(biāo)準(zhǔn)包裝:2,500
1N749A TR 制造商:Central Semiconductor Corp 功能描述:Zener Diodes 4.3V .5W
1N749A 制造商:Fairchild Semiconductor Corporation 功能描述:Zener Diode