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Datasheet 1N4745A PDF ( 特性, スペック, ピン接続図 )

部品番号 1N4745A
部品説明 1 WATT ZENER DIODES
メーカ Digitron Semiconductors
ロゴ Digitron Semiconductors ロゴ 
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1N4745A Datasheet, 1N4745A PDF,ピン配置, 機能
1N4728(A)-1N4764(A)
High-reliability discrete products
and engineering services since 1977
1 WATT ZENER DIODES
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
Power dissipation @ 25°C
Junction temperature
Operating and storage temperature range
Maximum thermal resistance, junction to lead
@ 3/8 inch lead length from body
Maximum thermal resistance, junction to ambient
when mounted on FR4 PC board with 4mm2 copper pads and track width 1mm, length 25mm
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
Forward voltage @ 200mA
Solder temperatures
Value
1W
175°C
-65 to +175°C
80°C/W
140°C/W
1.0W @ TL ≤ 95°C
1.0W @ TA ≤ 35°C
1.2 volts maximum
260°C for 10 s maximum
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise specified)
Type
Number
Zener
Voltage(4)
(VZ)
Test
Current
(lZT)
Maximum
Dynamic
Impedance(2)
(ZZT @ lZT)
Maximum
Reverse
Current (lR
@ VR)
Test
Voltage
(VR)
1N4728
1N4729
1N4730
1N4731
1N4732
1N4733
1N4734
1N4735
1N4736
1N4737
1N4738
1N4739
1N4740
1N4741
1N4742
1N4743
1N4744
VOLTS
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.2
6.8
7.5
8.2
9.1
10
11
12
13
15
mA
76
69
64
58
53
49
45
41
37
34
31
28
25
23
21
19
17
OHMS
10
10
9.0
9.0
8.0
7.0
5.0
2.0
3.5
4.0
4.5
5.0
7.0
8.0
9.0
10
14
μA VOLTS
100 1
100 1
50 1
10 1
10 1
10 1
10 2
10 3
10 4
10 5
10 6
10 7
10 7.6
5 8.4
5 9.1
5 9.9
5 11.4
Maximum
Regulator
Current (lZM)
TA = 50°C
mA
276
252
234
217
193
178
162
146
133
121
110
100
91
83
76
69
61
Maximum
Knee
Impedance(2)
(ZZK @ lZK)
OHMS
400
400
400
400
500
550
600
700
700
700
700
700
700
700
700
700
700
Test
Current
(lZK)
mA
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
0.5
0.5
0.5
0.25
0.25
0.25
0.25
0.25
Maximum
(Surge)
Current(3)
(lS)
mA
1380
1260
1190
1070
970
890
810
730
660
605
550
500
454
414
380
344
304
Rev. 20120912

1 Page



1N4745A pdf, ピン配列
High-reliability discrete products
and engineering services since 1977
MECHANICAL CHARACTERISTICS
Case:
DO-41
Marking:
Body painted, alpha-numeric
Polarity:
Cathode band
1N4728(A)-1N4764(A)
1 WATT ZENER DIODES
Rev. 20120912


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