2024年5月20日发(作者：其和平)
元器件交易网
1N4728A - 1N4761A
1.0W ZENE DIODE
Features
·
·
·
·
1.0 Watt Power Dissipation
3.3V - 75V Nominal Zener Voltage
Standard V
Z
Tolerance is 5%
Lead Free Finish, RoHS Compliant (Note 2)
A
B
A
Mechanical Data
·
·
·
·
·
·
·
Case: DO-41
Case Material: Glass. UL Flammability Classification Rating
94V-0
Moisture Sensitivity: Level 1 per J-STD-020C
Terminals: Finish ¾ Sn96.5Ag3.5. Solderable per
MIL-STD-202, Method 208
Polarity: Cathode Band
Marking: Type Number
Weight: 0.35 grams
(approximate)
Dim
A
B
C
D
D
C
DO-41 Glass
Min
26.0
—
—
—
Max
—
4.10
0.86
2.60
All Dimensions in mm
Maximum Ratings
@ T
A
= 25°C unless otherwise specified
Characteristic
Zener Current (see Table page 2)
Power Dissipation
Derate Above 50°C
Thermal Resistance - Junction to Ambient Air
Forward Voltage @ I
F
= 200 mA
Operating and Storage Temperature Range
(Note 1)
Symbol
I
Z
P
d
R
qJA
V
F
T
j
, T
STG
Value
Pd / V
Z
1.0
6.67
175
1.2
-65 to + 175
Unit
mA
W
mW/°C
°C/W
V
°C
Note: 1. Valid provided that leads are kept at T
L
@ 50°C
with lead length = 9.5mm (3/8”) from case.
2. EC Directive 2002/95/EC (RoHS) revision 13.2.2003. Glass and High Temperature Solder Exemptions Applied where applicable,
see EU Directive Annex Notes 5 and 7.
DS18007 Rev. 16 - 21 of 41N4728A - 1N4761A
ã
Diodes Incorporated
元器件交易网
@ T
A
= 25°C unless otherwise specified
Electrical Characteristics
Nominal Zener
Voltage (Note 3)
V
Z
@ I
ZT
(V)
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
1N4759A
1N4760A
1N4761A
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
16
18
20
22
24
27
30
33
36
39
43
47
51
56
62
68
75
Test
Current
I
ZT
(mA)
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
Maximum Zener Impedance
(Note 4)
Z
ZT
@ I
ZT
(W)
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
16
20
22
23
25
35
40
45
50
60
70
80
95
110
125
150
175
Z
ZK
@ I
ZK
(W)
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
1000
1000
1500
1500
1500
2000
2000
2000
2000
I
ZK
(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
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
Maximum Reverse
Leakage Current
I
R
(µA)
100
100
50
10
10
10
10
10
10
10
10
10
10
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
@ V
R
(V)
1.0
1.0
1.0
1.0
1.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
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
56.0
Max Surge
Current
8.3ms
I
ZS
(mA)
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
Temperature
Coefficient
@ I
ZT
%/°C
-0.08 to -0.05
-0.08 to -0.05
-0.07 to -0.02
-0.07 to -0.01
-0.03 to +0.04
-0.01 to +0.04
0 to +0.045
+0.01 to +0.055
+0.015 to +0.06
+0.02 to +0.065
0.03 to 0.07
0.035 to 0.075
0.04 to 0.08
0.045 to 0.08
0.045 to 0.085
0.05 to 0.085
0.055 to 0.09
0.055 to 0.09
0.06 to 0.09
0.06 to 0.09
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
Type
Number
Notes: 3. Measured under thermal equilibrium and dc (I
ZT
) test conditions.
4. The Zener impedance is derived from the 60 Hz ac voltage which results when an ac current having an rms value equal to
10% of the Zener current (I
ZT
or I
ZK
) is superimposed on I
ZT
or I
ZK
. Zener impedance is measured at two points to insure a
sharp knee on the breakdown curve and to eliminate unstable units.
DS18007 Rev. 16 - 22 of 4
1N4728A - 1N4761A
元器件交易网
1.0
P
d
,
T
O
T
A
L
P
O
W
E
R
D
I
S
S
I
P
A
T
I
O
N
(
W
)
250
0.8
200
0.6
150
0.4
100
0.2
50
0
00
0
030
15
25
1020
l, Lead Length (mm)
Fig. 2 Typical Thermal Resistance vs. Lead Length
5
T
A
, AMBIENT TEMPERATURE ( C)
Fig.1 Power Dissipation vs Ambient Temperature
1000
f = 1MHz
T
A
= 25C
1000
I
Z
= 1mA
C
j
,
D
I
O
D
E
C
A
P
A
C
I
T
A
N
C
E
(
p
F
)
100
V
R
= 0V
V
R
= 2V
V
R
= 5V
V
R
= 20V
100
2mA
5mA
10mA
20mA
10
V
R
= 30V
10
1
0
V
Z
, ZENER VOLTAGE (V)
Fig.3, Junction Capacitance vs Zener Voltage
(Note 6)
Ordering Information
Device
(Type Number)-A*
(Type Number)-T*
Packaging
DO-41
DO-41
1
110100
V
Z
, ZENER VOLTAGE (V)
Fig. 4 Typical Zener Impedance vs. Zener Voltage
Shipping
5K/Ammo Pack
5K/Tape & Reel
Notes: 5. *Add "-A" or "-T" to the appropriate type number in Table 1. Example: 6.2V Zener = 1N4735A-A for ammo pack.
6. For packaging details, visit our website at /datasheets/
DS18007 Rev. 16 - 23 of 4
1N4728A - 1N4761A
元器件交易网
IMPORTANT NOTICE
Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes without further
notice to any product herein. Diodes Incorporated does not assume any liability arising out of the application or use of any product described herein; neither
does it convey any license under its patent rights, nor the rights of others. The user of products in such applications shall assume all risks of such use and will
agree to hold Diodes Incorporated and all the companies whose products are represented on our website, harmless against all damages.
LIFE SUPPORT
Diodes Incorporated products are not authorized for use as critical components in life support devices or systems without the expressed written approval of the
President of Diodes Incorporated.
DS18007 Rev. 16 - 24 of 4
1N4728A - 1N4761A
2024年5月20日发(作者：其和平)
元器件交易网
1N4728A - 1N4761A
1.0W ZENE DIODE
Features
·
·
·
·
1.0 Watt Power Dissipation
3.3V - 75V Nominal Zener Voltage
Standard V
Z
Tolerance is 5%
Lead Free Finish, RoHS Compliant (Note 2)
A
B
A
Mechanical Data
·
·
·
·
·
·
·
Case: DO-41
Case Material: Glass. UL Flammability Classification Rating
94V-0
Moisture Sensitivity: Level 1 per J-STD-020C
Terminals: Finish ¾ Sn96.5Ag3.5. Solderable per
MIL-STD-202, Method 208
Polarity: Cathode Band
Marking: Type Number
Weight: 0.35 grams
(approximate)
Dim
A
B
C
D
D
C
DO-41 Glass
Min
26.0
—
—
—
Max
—
4.10
0.86
2.60
All Dimensions in mm
Maximum Ratings
@ T
A
= 25°C unless otherwise specified
Characteristic
Zener Current (see Table page 2)
Power Dissipation
Derate Above 50°C
Thermal Resistance - Junction to Ambient Air
Forward Voltage @ I
F
= 200 mA
Operating and Storage Temperature Range
(Note 1)
Symbol
I
Z
P
d
R
qJA
V
F
T
j
, T
STG
Value
Pd / V
Z
1.0
6.67
175
1.2
-65 to + 175
Unit
mA
W
mW/°C
°C/W
V
°C
Note: 1. Valid provided that leads are kept at T
L
@ 50°C
with lead length = 9.5mm (3/8”) from case.
2. EC Directive 2002/95/EC (RoHS) revision 13.2.2003. Glass and High Temperature Solder Exemptions Applied where applicable,
see EU Directive Annex Notes 5 and 7.
DS18007 Rev. 16 - 21 of 41N4728A - 1N4761A
ã
Diodes Incorporated
元器件交易网
@ T
A
= 25°C unless otherwise specified
Electrical Characteristics
Nominal Zener
Voltage (Note 3)
V
Z
@ I
ZT
(V)
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
1N4759A
1N4760A
1N4761A
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
16
18
20
22
24
27
30
33
36
39
43
47
51
56
62
68
75
Test
Current
I
ZT
(mA)
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
Maximum Zener Impedance
(Note 4)
Z
ZT
@ I
ZT
(W)
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
16
20
22
23
25
35
40
45
50
60
70
80
95
110
125
150
175
Z
ZK
@ I
ZK
(W)
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
1000
1000
1500
1500
1500
2000
2000
2000
2000
I
ZK
(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
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
Maximum Reverse
Leakage Current
I
R
(µA)
100
100
50
10
10
10
10
10
10
10
10
10
10
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
@ V
R
(V)
1.0
1.0
1.0
1.0
1.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
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
56.0
Max Surge
Current
8.3ms
I
ZS
(mA)
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
Temperature
Coefficient
@ I
ZT
%/°C
-0.08 to -0.05
-0.08 to -0.05
-0.07 to -0.02
-0.07 to -0.01
-0.03 to +0.04
-0.01 to +0.04
0 to +0.045
+0.01 to +0.055
+0.015 to +0.06
+0.02 to +0.065
0.03 to 0.07
0.035 to 0.075
0.04 to 0.08
0.045 to 0.08
0.045 to 0.085
0.05 to 0.085
0.055 to 0.09
0.055 to 0.09
0.06 to 0.09
0.06 to 0.09
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
Type
Number
Notes: 3. Measured under thermal equilibrium and dc (I
ZT
) test conditions.
4. The Zener impedance is derived from the 60 Hz ac voltage which results when an ac current having an rms value equal to
10% of the Zener current (I
ZT
or I
ZK
) is superimposed on I
ZT
or I
ZK
. Zener impedance is measured at two points to insure a
sharp knee on the breakdown curve and to eliminate unstable units.
DS18007 Rev. 16 - 22 of 4
1N4728A - 1N4761A
元器件交易网
1.0
P
d
,
T
O
T
A
L
P
O
W
E
R
D
I
S
S
I
P
A
T
I
O
N
(
W
)
250
0.8
200
0.6
150
0.4
100
0.2
50
0
00
0
030
15
25
1020
l, Lead Length (mm)
Fig. 2 Typical Thermal Resistance vs. Lead Length
5
T
A
, AMBIENT TEMPERATURE ( C)
Fig.1 Power Dissipation vs Ambient Temperature
1000
f = 1MHz
T
A
= 25C
1000
I
Z
= 1mA
C
j
,
D
I
O
D
E
C
A
P
A
C
I
T
A
N
C
E
(
p
F
)
100
V
R
= 0V
V
R
= 2V
V
R
= 5V
V
R
= 20V
100
2mA
5mA
10mA
20mA
10
V
R
= 30V
10
1
0
V
Z
, ZENER VOLTAGE (V)
Fig.3, Junction Capacitance vs Zener Voltage
(Note 6)
Ordering Information
Device
(Type Number)-A*
(Type Number)-T*
Packaging
DO-41
DO-41
1
110100
V
Z
, ZENER VOLTAGE (V)
Fig. 4 Typical Zener Impedance vs. Zener Voltage
Shipping
5K/Ammo Pack
5K/Tape & Reel
Notes: 5. *Add "-A" or "-T" to the appropriate type number in Table 1. Example: 6.2V Zener = 1N4735A-A for ammo pack.
6. For packaging details, visit our website at /datasheets/
DS18007 Rev. 16 - 23 of 4
1N4728A - 1N4761A
元器件交易网
IMPORTANT NOTICE
Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes without further
notice to any product herein. Diodes Incorporated does not assume any liability arising out of the application or use of any product described herein; neither
does it convey any license under its patent rights, nor the rights of others. The user of products in such applications shall assume all risks of such use and will
agree to hold Diodes Incorporated and all the companies whose products are represented on our website, harmless against all damages.
LIFE SUPPORT
Diodes Incorporated products are not authorized for use as critical components in life support devices or systems without the expressed written approval of the
President of Diodes Incorporated.
DS18007 Rev. 16 - 24 of 4
1N4728A - 1N4761A