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1N4751 产品描述及参数 - Won-Top Electronics
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DO-41
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1N4751数据手册
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High-reliability discrete products
and engineering services since 1977
1N4728(A)-1N4764(A)
1 WATT ZENER DIODES
Rev. 20120912
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
Characteristics
Value
Power dissipation @ 25°C
1W
Junction temperature
175°C
Operating and storage temperature range
-65 to +175°C
Maximum thermal resistance, junction to lead
@ 3/8 inch lead length from body
80°C/W
Maximum thermal resistance, junction to ambient
when mounted on FR4 PC board with 4mm2 copper pads and track width 1mm, length 25mm
140°C/W
Steady state power
@ 3/8 inch lead length from body
when mounted on FR4 PC board with 4mm2 copper pads and track width 1mm, length 25mm
1.0W @ T
L
≤ 95°C
1.0W @ T
A
≤ 35°C
Forward voltage @ 200mA
1.2 volts maximum
Solder temperatures
260°C for 10 s maximum
ELECTRICAL CHARACTERISTICS (T
A
= 25°C unless otherwise specified)
Type
Number
Zener
Voltage
(4)
(V
Z
)
Test
Current
(l
ZT
)
Maximum
Dynamic
Impedance
(2)
(Z
ZT
@ l
ZT
)
Maximum
Reverse
Current
(l
R
@ V
R
)
Test
Voltage
(V
R
)
Maximum
Regulator
Current (l
ZM
)
T
A
= 50°C
Maximum
Knee
Impedance
(2)
(Z
ZK
@ l
ZK
)
Test
Current
(l
ZK
)
Maximum
(Surge)
Current
(3)
(l
S
)
VOLTS
mA
OHMS
μA
VOLTS
mA
OHMS
mA
mA
1N4728
3.3
76
10
100
1
276
400
1.0
1380
1N4729
3.6
69
10
100
1
252
400
1.0
1260
1N4730
3.9
64
9.0
50
1
234
400
1.0
1190
1N4731
4.3
58
9.0
10
1
217
400
1.0
1070
1N4732
4.7
53
8.0
10
1
193
500
1.0
970
1N4733
5.1
49
7.0
10
1
178
550
1.0
890
1N4734
5.6
45
5.0
10
2
162
600
1.0
810
1N4735
6.2
41
2.0
10
3
146
700
1.0
730
1N4736
6.8
37
3.5
10
4
133
700
1.0
660
1N4737
7.5
34
4.0
10
5
121
700
0.5
605
1N4738
8.2
31
4.5
10
6
110
700
0.5
550
1N4739
9.1
28
5.0
10
7
100
700
0.5
500
1N4740
10
25
7.0
10
7.6
91
700
0.25
454
1N4741
11
23
8.0
5
8.4
83
700
0.25
414
1N4742
12
21
9.0
5
9.1
76
700
0.25
380
1N4743
13
19
10
5
9.9
69
700
0.25
344
1N4744
15
17
14
5
11.4
61
700
0.25
304
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