KNOX 1N5545

LOW VOLTAGE AVALANCHE ZENER DIODES
HIGH PERFORMANCE: LOW NOISE, LOW LEAKAGE
1N5518 - 1N5546
NOMINAL
TEST
MAX ZENER MAX REVERSE LEAKAGE MAX NOISE MAX REGULATION
MAX
.
PART
ZENER
CURRENT IMPEDANCE
CURRENT
DENSITY AT
FACTOR
REGULATOR
NUMBER VOLTAGE
(NOTE 2)
(NOTE 3)
(NOTE 4)
CURRENT
(NOTE 1) Vz @ Izt
Izt
Zzt @ Izt
Ir
Vr1
Vr2
Iz = 250 µA
∆ Vz
IzL
Izm
(VOLTS)
(mA)
(OHMS)
(µAdc)
(VOLTS)
(ND µV / √ Hz) (VOLTS)
(mAdc)
(mAdc)
1N5518
1N5519
1N5520
1N5521
1N5522
1N5523
1N5524
1N5525
1N5526
1N5527
1N5528
1N5529
1N5530
1N5531
1N5532
1N5533
1N5534
1N5535
1N5536
1N5537
1N5538
1N5539
1N5540
1N5541
1N5542
1N5543
1N5544
1N5545
1N5546
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.2
6.8
7.5
8.2
9.1
10.0
11.0
12.0
13.0
14.0
15.0
16.0
17.0
18.0
19.0
20.0
22.0
24.0
25.0
28.0
30.0
33.0
20
20
20
20
10
5
3
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
26
24
22
18
22
26
30
30
30
35
40
45
60
80
90
90
100
100
100
100
100
100
100
100
100
100
100
100
100
5.0
3.0
1.0
3.0
2.0
2.0
2.0
1.0
1.0
0.5
0.5
0.1
0.05
0.05
0.05
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.9
0.9
0.9
1.0
1.5
2.0
3.0
4.5
5.5
6.0
6.5
7.0
8.0
9.0
9.5
10.5
11.5
12.5
13.0
14.0
15.0
16.0
17.0
18.0
20.0
21.0
23.0
24.0
28.0
1.0
1.0
1.0
1.5
2.0
2.5
3.5
5.0
6.2
6.8
7.5
8.2
9.1
9.9
10.8
11.7
12.6
13.5
14.4
15.3
16.2
17.1
18.0
19.8
21.6
22.4
25.2
27.0
29.7
0.5
0.5
0.5
0.5
0.5
0.5
1.0
1.0
1.0
2.0
4.0
4.0
4.0
5.0
10.0
15.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
25.0
30.0
35.0
40.0
45.0
50.0
0.90
0.90
0.85
0.75
0.60
0.65
0.30
0.20
0.10
0.05
0.05
0.05
0.10
0.20
0.20
0.20
0.20
0.20
0.20
0.20
0.20
0.20
0.20
0.25
0.30
0.35
0.40
0.45
0.50
2.0
2.0
2.0
2.0
1.0
0.25
0.25
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
115
105
98
88
81
75
68
61
56
51
46
42
38
35
32
29
27
25
24
22
21
20
19
17
16
15
14
13
12
1. Package Style
DO-7
2. Suffix denotes Vz tolerance: non suffix ± 20%, A suffix ± 10%: Ir @ Vr1, Vz, + Vf only.
Suffix B ± 5%: Ir @ Vr2, Vz, ∆ Vz, Vf, ND.
3. Measured with 10%, 60 Hz AC superimposed on Izt.
4. Measured from 1000 to 3000 Hz.
5. Difference between Vz at Izt and IzL .
6. Forward Voltage (Vf): If = 200mA, Ta = 25°°C, Max = 1.1 Vdc.
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