1N991DHR-PBF [DIGITRON]
Zener Diode, 180V V(Z), 1%, 0.5W, Silicon, Unidirectional, DO-35;![1N991DHR-PBF](http://pdffile.icpdf.com/pdf2/p00298/img/icpdf/1N992A-PBF_1804598_icpdf.jpg)
型号: | 1N991DHR-PBF |
厂家: | ![]() |
描述: | Zener Diode, 180V V(Z), 1%, 0.5W, Silicon, Unidirectional, DO-35 测试 二极管 |
文件: | 总4页 (文件大小:754K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
1N957B-1N992B
500 mW SILICON ZENER DIODES
High-reliability discrete products
and engineering services since 1977
FEATURES
Available as “HR” (high reliability) screened per MIL-PRF-19500, JANTX level. Add “HR” suffix to base part number.
Available as non-RoHS (Sn/Pb plating), standard, and as RoHS by adding “-PBF” suffix.
MAXIMUM RATINGS
Rating
Value
Operating temperature
Storage temperature
-65°C to +175°C
-65°C to +175°C
250°C/W junction to lead at 3/8” lead length from body, or 310°C/W junction to ambient when mounted on
FR4 PC board(1)
Thermal resistance
Steady-state power
≤ 25°C when mounted on FR4 PC board(1)
0.5W at TL ≤ 50°C 3/8” from body or 0.48W at TA
@ 200 mA: 1.1 volts maximum (1N957B-1N985B)
@ 200mA: 1.3 volts maximum (1N985-1N992B)
260°C for 10 s maximum
Forward voltage
Solder temperature
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise specified)
Nominal
Maximum Maximum
Zener
zener
Maximum
temperature
coefficient
DC zener
surge
Maximum reverse
leakage current
test
Maximum zener impedance(3)
Part
voltage
(2)
current
(4)
current
(5)
current
number
(1)
VZ
Volts
6.8
7.5
8.2
9.1
10
IZT
mA
18.5
16.5
15.0
14.0
12.5
11.5
10.5
9.5
ZZT @ IZT
Ohms
4.5
5.5
6.5
7.5
8.5
9.5
11.5
13
ZZK
Ohms
700
@IZK
mA
IZM
mA
55
50
45
41
38
32
31
28
25
24
20
18
16
15
13
12
11
10
9.5
8.8
IZSM
mA
300
275
250
225
200
175
160
150
130
120
110
100
90
IR
µA
150
75
50
25
10
5
@VR
Volts
5.2
αvz
%/°C
0.05
1N957B
1N958B
1N959B
1N960B
1N961B
1N962B
1N963B
1N964B
1N965B
1N966B
1N967B
1N968B
1N969B
1N970B
1N971B
1N972B
1N973B
1N974B
1N975B
1N976B
1.0
700
0.5
5.7
0.058
0.065
0.068
0.075
0.076
0.077
0.079
0.082
0.083
0.085
0.086
0.087
0.088
0.090
0.091
0.092
0.093
0.094
0.095
700
0.5
6.2
700
0.5
6.9
700
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
7.6
11
700
8.4
12
700
5
9.1
13
700
5
9.9
15
8.5
16
700
5
11.4
12.2
13.7
15.2
16.7
18.2
20.6
22.8
25.1
27.4
29.7
32.7
16
7.8
17
700
5
18
7.0
21
750
5
20
6.2
25
750
5
22
5.6
29
750
5
24
5.2
33
750
80
5
27
4.6
41
750
70
5
30
4.2
49
1000
1000
1000
1000
1500
65
5
33
3.8
58
60
5
36
3.4
70
55
5
39
3.2
80
46
5
43
3.0
93
44
5
Rev. 20150825
1N957B-1N992B
500 mW SILICON ZENER DIODES
High-reliability discrete products
and engineering services since 1977
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise specified)
Nominal
zener
voltage
(2)
Maximum Maximum
Zener
test
current
Maximum
temperature
coefficient
DC zener
surge
Maximum reverse
leakage current
Maximum zener impedance(3)
Part
current
(4)
current
(5)
number
(1)
VZ
Volts
47
IZT
mA
2.7
ZZT @ IZT
Ohms
105
ZZK
@IZK
mA
IZM
mA
7.9
7.4
6.8
6.0
5.5
5.0
4.6
4.1
3.7
3.3
3.1
2.7
2.4
2.2
2.0
1.8
IZSM
mA
40
37
35
30
28
26
23
21
18
16
15
13
12
11
10
9
IR
µA
5
@VR
Volts
35.8
38.8
42.6
47.1
51.7
56.0
62.2
69.2
76.0
83.6
91.2
98.8
114.0
121.6
136.8
152.0
αvz
Ohms
1500
1500
2000
2000
2000
2000
3000
3000
3000
4000
4500
5000
6000
6500
7100
8000
%/°C
0.095
0.096
0.096
0.097
0.097
0.098
0.098
0.099
0.110
0.110
0.110
0.110
0.110
0.110
0.110
0.110
1N977B
1N978B
1N979B
1N980B
1N981B
1N982B
1N983B
1N984B
1N985B
1N986B
1N987B
1N988B
1N989B
1N990B
1N991B
1N992B
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
51
2.5
125
5
56
2.2
150
5
62
2.0
185
5
68
1.8
230
5
75
1.7
270
5
82
1.5
330
5
91
1.4
400
5
100
110
120
130
150
160
180
200
1.3
500
5
1.1
750
5
1.0
900
5
0.95
0.85
0.80
0.68
0.65
1100
1500
1700
2200
2500
5
5
5
5
5
NOTE 1. Zener voltage tolerance on ‘’B’’ suffix is + 5%. Suffix letter A denotes +10%. No suffix denotes +20% tolerance. ‘’C’’ suffix denotes + 2% and ‘’D’’ suffix denotes + 1%.
NOTE 2. Zener voltage is measured with the device junction in thermal equilibrium at an ambient temperature of 25°C + 3°C.
NOTE 3. Zener impedance is derived by superimposing on IZTA 60HZ rms a.c. current equal to 10% of IZT
.
NOTE 4: The values of IZM are calculated for a ±5% tolerance on nominal zener voltage. Allowance has been made for the rise in zener voltage above VZT which results from zener impedance
and the increase in junction temperature as power dissipation approaches 400mW. In the case of individual diodes IZM is that value of current which results in a dissipation of 400mW at 75°C
lead temperature at 3/8” from body.
NOTE 5: The surge for IZM is a square wave or equivalent half-sine wave pulse of 1/120 second duration.
Rev. 20150825
1N957B-1N992B
500 mW SILICON ZENER DIODES
High-reliability discrete products
and engineering services since 1977
MECHANICAL CHARACTERISTICS
Case
DO-35
Marking
Polarity
Body painted, alph-numeric
Cathode band
Rev. 20150825
1N957B-1N992B
500 mW SILICON ZENER DIODES
High-reliability discrete products
and engineering services since 1977
Rev. 20150825
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