1N746A Diode Datasheet

1N746A Datasheet, PDF, Equivalent


Part Number

1N746A

Description

Zener Diode

Manufacture

NTE

Total Page 2 Pages
Datasheet
Download 1N746A Datasheet


1N746A
1N746A thru 1N759A
Zener Diode, 1/2 Watt
5% Tolerance
Features:
D Zener Voltage 3.3 to 12V
D DO35 Package
Absolute Maximum Ratings: (TA = +25C unless otherwise specified)
DC Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500mW
Operating Junction Temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +175C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65to +200C
Lead Temperature (During Soldering, 1/16” from case, 10 seconds max), TL . . . . . . . . . . . . +230C
Electrical Characteristics: (TA = +25C, unless otherwise specified)
Device
Number
Nominal
Zener
Voltage
Vz @ Izt
(Note 1)
Volts
Zener
Test
Current
(Izt)
mA
Maximum
Dynamic
Impedance
Zzt @ Izt
(Note 2)
Ohms
Maximum
Regulator
Current
IZM
(Note 3)
mA
Typical
Temperature
Coefficient
vz
%/C
Maximum Reverse
Leakage Current
IR @ VR = 1V
TA = +255C TA = +1505C
A A
1N746A
3.3
20
28
110 0.070 10
30
1N747A
3.6
20
24
100 0.065
10
30
1N748A
3.9
20
23
95 0.060 10
30
1N749A
4.3
20
22
85 0.055 2
30
1N750A
4.7
20
19
75 0.030 2
30
1N751A
5.1
20
17
70 0.030 1
20
1N752A
5.6
20
11
65 +0.038 1
20
1N753A
6.2
20
7
60
0.045
0.1
20
Note 1. Measured with device junction in thermal equilibrium.
Note 2. The Zener impedance is derived from the 1kHz AC voltage which results when an AC current
having an RMS value equal to 10% of the Zener current (IZT) is superimposed on IZT. Zener
impedance is measured at two points to insure a sharp knee on the breakdown curve and
to eliminate unstable units.
Note 3. valid provided that leads at a distance of 3/8” from case are kept at ambient temperature.

1N746A
Electrical Characteristics (Cont’d): (TA = +25C, unless otherwise specified)
Device
Number
Nominal
Zener
Voltage
Vz @ Izt
(Note 1)
Volts
Zener
Test
Current
(Izt)
mA
Maximum
Dynamic
Impedance
Zzt @ Izt
(Note 2)
Ohms
Maximum
Regulator
Current
IZM
(Note 3)
mA
Typical
Temperature
Coefficient
vz
%/C
Maximum Reverse
Leakage Current
IR @ VR = 1V
TA = +255C TA = +1505C
A A
1N754A
6.8
20
5
55
0.050
0.1
20
1N755A
7.5
20
6
50
0.058
0.1
20
1N756A
8.2
20
8
45
0.062
0.1
20
1N757A
9.1
20
10
40
0.068
0.1
20
1N758A 10 20 17
35
0.075
0.1
20
1N759A 12 20 30
30
0.077
0.1
20
Note 1. Measured with device junction in thermal equilibrium.
Note 2. The Zener impedance is derived from the 1kHz AC voltage which results when an AC current
having an RMS value equal to 10% of the Zener current (IZT) is superimposed on IZT. Zener
impedance is measured at two points to insure a sharp knee on the breakdown curve and
to eliminate unstable units.
Note 3. valid provided that leads at a distance of 3/8” from case are kept at ambient temperature.
1.000
(25.4)
Min
.200 (5.08)
Max
.022 (.509) Dia Max
Color Band Denotes Cathode
.090 (2.28)
Dia Max


Features 1N746A thru 1N759A Zener Diode, 1/2 Watt 5% Tolerance Features: D Zener Vol tage 3.3 to 12V D DO35 Package Absolut e Maximum Ratings: (TA = +25C unless otherwise specified) DC Power Dissipat ion, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500mW Operating Junction Temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +175C Storage Tem perature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −65 to +200C Lead Temperature (During Solde ring, 1/16” from case, 10 seconds max ), TL . . . . . . . . . . . . +230C Electrical Characteristics: (TA = +25 C, unless otherwise specified) Device Number Nominal Zener Voltage Vz @ Izt (Note 1) Volts Zener Test Current (Iz t) mA Maximum Dynamic Impedance Zzt @ Izt (Note 2) Ohms Maximum Regulator Cu rrent IZM (Note 3) mA Typical Temperature Coefficient vz %/C Maximum Reverse .
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