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1N5257B 参数 Datasheet PDF下载

1N5257B图片预览
型号: 1N5257B
PDF下载: 下载PDF文件 查看货源
内容描述: 作者:玻璃硅稳压二极管技术规格 [TECHNICAL SPECIFICATIONS OF GLASS SILICON ZENER DIODES]
分类和应用: 稳压二极管
文件页数/大小: 2 页 / 231 K
品牌: DCCOM [ DC COMPONENTS ]
 浏览型号1N5257B的Datasheet PDF文件第2页  
DC COMPONENTS CO., LTD.
R
1N5221B
THRU
1N5259B
RECTIFIER SPECIALISTS
TECHNICAL SPECIFICATIONS OF
GLASS SILICON ZENER DIODES
FEATURES
* Voltage Range:2.4V to 39V
* Double slug type construction
DO-35
MECHANICAL DATA
* Case: Glass sealed case
* Lead: MIL-STD-202E, Method 208 guaranteed
* Polarity: Color band denotes cathode end
* Mounting position: Any
* Weight: 0.13 gram
25.0MIN
0.52Ø
4.2MAX
2.0MAX
25.0MIN
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 C ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
Dimensions in millimeters
o
SYMBOL
Zener Current see Table "Characterisitics"
o
Power Dissipation at Tamb=25 C
VALUE
500
(1)
175
-55 to + 175
UNITS
Ptot
Tj
Tstg
mW
o
o
Junction Temperature
Storage Temperature Range
C
C
K/mW
Thermal Resistance
Junction to Ambient Air
RthA
-
-
0.3
(1)
Typ.
Min.
Max.
Volts
Forward Voltage
at IF=100mA
V
F
-
-
1
Typ.
Min.
Max.
1)Valid Provided that leads are kept at ambient temperature at a distance of 8 mm from case.
NOTE: Suffix "B" indicates Zener Voltage Tolerance ± 5%
160
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