1N4728A Fairchild Semiconductor, 1N4728A Datasheet - Page 2

• Manufacturer Part Number: 1N4728A
• Description: DIODE ZENER 3.3V 1W DO-41
• Manufacturer: Fairchild Semiconductor

Specifications of 1N4728A

• Voltage - Zener (nom) (vz): 3.3V
• Current - Reverse Leakage @ Vr: 100µA @ 1V
• Tolerance: ±5%
• Power - Max: 1W
• Impedance (max) (zzt): 10 Ohm
• Mounting Type: Through Hole
• Package / Case: DO-204AL, DO-41, Axial
• Operating Temperature: -65°C ~ 200°C
• Zener Voltage: 3.3 V
• Voltage Tolerance: 5 %
• Zener Current: 76 mA
• Power Dissipation: 1 W
• Maximum Reverse Leakage Current: 100 uA
• Maximum Zener Impedance: 10 Ohms
• Maximum Operating Temperature: + 200 C
• Mounting Style: Through Hole
• Minimum Operating Temperature: - 65 C
• Zener Voltage Vz Typ: 3.3V
• Power Dissipation Pd: 1W
• Operating Temperature Range: -65��C To +200°C
• Diode Case Style: DO-41
• No. Of Pins: 2
• Breakdown Voltage: 3.3V
• Diode Type: Zener
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Forward (vf) (max) @ If: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

1N4728A - 1N4758A Rev. H1
Notes:
1. Zener Voltage (V
Top Mark Information
1N4743A
1N4744A
1N4745A
1N4746A
1N4747A
1N4748A
1N4749A
1N4750A
1N4751A
1N4752A
1N4753A
1N4754A
1N4755A
1N4756A
1N4757A
1N4758A
1N4728A
1N4729A
1N4730A
1N4731A
1N4732A
1N4733A
1N4734A
1N4735A
1N4736A
1N4737A
1N4738A
1N4739A
1N4740A
1N4741A
1N4742A
1N4743A
1N4744A
1N4745A
1N4746A
1N4747A
1N4748A
1N4749A
1N4750A
1N4751A
1N4752A
1N4753A
1N4754A
1N4755A
1N4756A
1N4757A
1N4758A
The zener voltage is measured with the device junction in the thermal equilibrium at the lead temperature (T
Device
Device
Z
)
Min.
12.35
14.25
25.65
31.35
37.05
40.85
44.65
48.45
15.2
17.1
20.9
22.8
28.5
34.2
53.2
19
V
Z
(V) @ I
Line 1
Typ.
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
13
15
16
18
20
22
24
27
30
33
36
39
43
47
51
56
Z
(Note 1)
Max.
13.65
15.75
28.35
34.65
40.95
45.15
49.35
53.55
16.8
18.9
23.1
25.2
31.5
37.8
58.8
21
Line 2
Test Current
47
47
47
47
47
47
47
47
47
47
47
47
47
47
47
47
47
47
47
47
47
47
47
47
47
47
47
47
47
47
47
I
Z
15.5
12.5
11.5
10.5
(mA)
9.5
8.5
7.5
6.5
5.5
4.5
19
17
14
7
6
5
2
Z
Line 3
Max. Zener Impedance
Z
(Ω)
110
10
14
16
20
22
23
25
35
40
45
50
60
70
80
95
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
@ I
Z
L
) at 30°C ± 1°C and 3/8” lead length.
I
Z
ZK
ZK
1000
1000
1000
1000
1500
1500
1500
2000
700
700
700
750
750
750
750
750
(Ω)
@
Line 4
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
(mA)
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
I
ZK
Leakage Current
(μA)
I
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
R
Line 5
www.fairchildsemi.com
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
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
(V)
V
9.9
R