Description
Features
n5 & 10 % VOLTAGE
TOLERANCES AVAILABLE
Mechanical Dimensions
nWIDE VOLTAGE RANGE
nMEETS UL SPECIFICATION 94V-0
Maximum Ratings 1N4728...4764 Series
Data Sheet
1 Watt
ZENER DIODES (3.3V to 100V)
1N4728...4764 Series
Page 12-4
Units
DC Power Dissipation with TL = > = 75 ...PD
Lead Length = .375 Inches
Derate Above 50
Operating & Storage Temperature Range...TJ, TSTRG
°C
°C
............................................. 1 ...............................................
............................................. 6.67 ...............................................
Watt
mW / °C
°C......................................... -65 to 100 ..........................................
.205
.160
1.00 Min.
.031 typ.
.080
.107
JEDEC
D0-41
Steady State Power Derating
Watts
TL = Lead Temperature (°°
°°
°C)
Temperature Coefficients vs. Voltage
mV/oC
Zener Voltage (Volts)
Typical Junction Capacitance
pF
Zener Voltage (Volts)
50% Vz Bias
0 V Bias
1 V Bias
Zener Current vs. Zener Voltage
Zener Voltage (Volts)
Zener Current (mA)
Data Sheet
1 Watt
ZENER DIODES (3.3V to 100V)
1N4728...4764 Series
Page 12-5
°C
NOTES: 1. For 10% Tolerance on Zener Voltage, Specify No Suffix. For 5% Tolerance,
Specify Suffix A. (Example: 1N4728A = 3.3V +/- 5%)
2. TA = 25 unless otherwise specified. Measurements made at Thermal Equilibrium.
Nominal
Zener Voltage
Test Current
Izt Max
MAX. ZENER IMPEDANCE MAX. REVERSE
LEAKAGE CURRENT
T
A
= 25
C
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.2
7.5
8.2
6.0
9.1
10
11
12
13
15
16
18
20
22
24
27
30
33
36
39
43
47
51
56
62
68
75
82
91
100
76
69
64
58
53
49
45
41
37
34
31
28
25
23
21
19
17
15.5
14
12.5
11.5
10.5
9.5
8.5
7.5
7.0
6.5
6.0
5.5
5.0
4.5
4.0
3.7
3.3
3.0
2.8
2.5
o
Zzt @ Izt
Ohms
Zzk @ Izk
Ohms
400
400
400
400
500
550
600
700
700
700
700
700
700
700
700
700
700
700
750
750
750
750
750
1000
1000
1500
1500
1500
1500
1500
2000
2000
2000
2000
3000
3000
3000
1
1
1
1
1
1
1
1
1
0.5
0.5
0.5
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
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
1
1
1
1
1
1
2
3
4
5
6
7
7.6
8.4
9.1
9.9
11.4
12.2
13.7
15.2
16.7
18.2
20.6
22.8
25.1
27.4
29.7
32.7
35.8
38.8
42.6
47.1
51.7
56
62.2
69.2
76
1380
1260
1190
1070
970
890
810
730
660
605
550
500
454
414
380
344
304
285
250
225
205
190
170
150
135
125
115
110
95
90
80
70
65
60
55
50
45
Part #
Jedec Type #
IR (µA) VR
MAX
SURGE CURRENT
Lead Length = .375". Thermal Resistance of Heat Sink = 30 / W, VF = 1.1V Max. @ IF = 200mA.
°C
Electrical Characteristics @ 25OC.
Izk
mA
1N4728
1N4729
1N4730
1N4731
1N4732
1N4733
1N4734
1N4735
1N4736
1N4737
1N4738
1N4739
1N4740
1N4741
1N4742
1N4743
1N4744
1N4745
1N4746
1N4747
1N4748
1N4749
1N4750
1N4751
1N4752
1N4753
1N4754
1N4755
1N4756
1N4757
1N4758
1N4759
1N4760
1N4761
1N4762
1N4763
1N4764
10
10
9
9
8
7
5
2
3.5
4
4.5
5
7
8
9
10
14
16
20
22
23
25
35
40
45
50
60
70
80
95
110
125
150
175
200
250
350
100
100
50
10
10
10
10
10
10
10
10
10
10
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
