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参数资料
| 型号： | 1N749AT50A |
| 厂商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分类： | 参考电压二极管 |
| 英文描述： | 4.3 V, 0.5 W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, DO-204AH |
| 封装： | HERMETIC SEALED, GLASS, DO-35, 2 PIN |
| 文件页数： | 1/5页 |
| 文件大小： | 215K |
| 代理商： | 1N749AT50A |
1N746A
-
1N759A
Series
1N746A-1N759A Rev. A1
Device
VZ
(V)
ZZ
(
)
IZT
(mA)
IR1
(
A)
VR
(V)
IR2
(
A)
VR
TA=150
°°°°C
(V)
TC
(%/
°°°°C)
IZRM*
(mA)
1N746A
1N747A
1N748A
1N749A
1N750A
3.3
3.6
3.9
4.3
4.7
28
24
23
22
19
20
10
2.0
1.0
30
1.0
- 0.070
- 0.065
- 0.060
+/- 0.055
+/- 0.030
110
100
95
85
75
1N751A
1N752A
1N753A
1N754A
5.1
5.6
6.2
6.8
17
11
7.0
5.0
20
1.0
0.1
1.0
20
1.0
+/- 0.030
+ 0.038
+ 0.045
+ 0.050
70
65
60
55
1N755A
1N756A
1N757A
1N758A
1N759A
7.5
8.2
9.1
10
12
6.0
8.0
10
17
30
20
0.1
1.0
20
1.0
+ 0.058
+ 0.062
+ 0.068
+ 0.075
+ 0.077
50
45
40
35
38
1N746A - 1N759A Series Half Watt Zeners
Absolute Maximum Ratings*
TA = 25°C unless otherwise noted
Tolerance: A = 5%
Electrical Characteristics
TA = 25°C unless otherwise noted
@
NOTES:
1) These ratings are based on a maximum junction temperature of 200 degrees C.
2) These are steady state limits. The factory should be consulted on applications involving pulsed
or low duty cycle operations.
*These ratings are limiting values above which the serviceability of the diode may be impaired.
*IZRM (Maximum Zener Current Rating) Values shown are based on the JEDEC rating of 400 milliwatts. Where the actual zener voltage (VZ) is known at the
operating point, the maximum zener current may be increased and is limited by the derating curve.
Symbol
Parameter
Value
Units
TSTG
Storage Temperature Range
-65 to +200
°C
TJ
Maximum Junction Operating Temperature
+ 175
°C
Lead Temperature (1/16” from case for 10
seconds)
+ 230
°C
PD
Total Device Dissipation
Derate above 25
°C
500
3.33
mW
mW/
°C
DO-35
COLOR BAND DENOTES CATHODE
2001 Fairchild Semiconductor Corporation
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 1N749A-TP | 制造商:Micro Commercial Components (MCC) 功能描述:Diode Zener Single 4.3V 5% 500mW 2-Pin DO-35 T/R |
| 1N749ATR | 功能描述:稳压二极管 4.3V 0.5W Zener RoHS:否 制造商:Vishay Semiconductors 齐纳电压:12 V 电压容差:5 % 电压温度系数:0.075 % / K 齐纳电流: 功率耗散:3 W 最大反向漏泄电流:3 uA 最大齐纳阻抗:7 Ohms 最大工作温度:+ 150 C 安装风格:SMD/SMT 封装 / 箱体:DO-214AC 封装:Reel |
| 1N749A-TR | 制造商:Vishay Angstrohm 功能描述:Diode Zener Single 4.3V 5% 500mW 2-Pin DO-35 T/R |
| 1N749ATR-1 | 制造商:MICROSEMI 制造商全称:Microsemi Corporation 功能描述:SILICON 400 mW ZENER DIODES |
| 1N749AUR | 制造商:MICROSEMI 制造商全称:Microsemi Corporation 功能描述:SILICON 400 mW ZENER DIODES |
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