1N4728A-G

Axial Lead Zener Diode
1N4728A-G Thru. Z1330A-G
Zener Voltage: 3.3 to 330 Volts
DC Power: 1 Watts
RoHS Device
Features
DO-41
- Glass passivated chip.
- Low leakage.
1.000(25.40)
MIN.
- Built-in strain relief.
0.033(0.84)
DIA.
0.028(0.71)
- Low inductance.
- High peak reverse power dissipation.
0.205(5.21)
0.165(4.19)
- For use in stabilizing and clipping
with high power rating.
0.117(2.97)
DIA.
0.090(2.29)
1.000(25.40)
MIN.
Mechanical data
- Case: Molded plastic.
- Epoxy: UL 94V-0 rate flame retardant.
Dimensions in inches and (millimeter)
- Terminals: Solderable per MIL-STD-202,
- method 208 guranteed.
- Polarity: Color band denotes cathode end.
- Mounting position: Any.
- Approx. weight: 0.35 grams(approx.).
Maximum Ratings and Electrical Characteristics
Ratings at 25°C ambient temperature unless otherwise specified.
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
Symbol
Value
Units
DC power dissipation at TL=50°C (Note 1)
PD
1
W
Maximum forward voltage at IF=200 mA
VF
1.2
V
RΘJA
170
K/W
Junction temperature range
TJ
-55 to +175
°C
Storage temperature range
TSTG
-55 to +175
°C
Characteristics
Maximum thermal resistance junction
to ambient air (Note 2)
Notes:
1. TL= Lead temperature at 3/8” (9.5mm) from body.
2. Valid provided that leads are kept at ambient temperature at a distance of 10mm from case.
Company reserves the right to improve product design , functions and reliability without notice.
REV: D
Page 1
QW-BZ007
Comchip Technology CO., LTD.
Axial Lead Zener Diode
Electrical Characteristics (1N4728A-G Thru. Z1330A-G)
Nominal Zener
Voltage
Part No
Maximum Zener Impedance
Maximum Reverse
Leakage Current
Maximum
DC Zener
Current
Maximum
Surge
Current
IR @VR
IZM
IRM
(mApk)
Marking
Code
[email protected]
IZT
[email protected]
[email protected]
IZK
(V)
(mA)
(Ω)
(Ω)
(mA)
(μA)
(V)
(mA)
1N4728A-G
3.3
76.00
10
400
1.00
100
1.0
274.00
1370
1N4728A
1N4729A-G
3.6
69.00
10
400
1.00
100
1.0
251.00
1255
1N4729A
1N4730A-G
3.9
64.00
9.0
400
1.00
50
1.0
232.00
1160
1N4730A
1N4731A-G
4.3
58.00
9.0
400
1.00
10
1.0
210.00
1050
1N4731A
1N4732A-G
4.7
53.00
8.0
500
1.00
10
1.0
192.00
960
1N4732A
1N4733A-G
5.1
49.00
7.0
550
1.00
10
1.0
177.00
885
1N4733A
1N4734A-G
5.6
45.00
5.0
600
1.00
10
2.0
161.00
805
1N4734A
1N4735A-G
6.2
41.00
2.0
700
1.00
10
3.0
146.00
730
1N4735A
1N4736A-G
6.8
37.00
3.5
700
1.00
5.0
4.0
133.00
660
1N4736A
1N4737A-G
7.5
34.00
4.0
700
0.50
5.0
5.0
121.00
605
1N4737A
1N4738A-G
8.2
31.00
4.5
700
0.50
5.0
6.0
110.00
550
1N4738A
1N4739A-G
9.1
28.00
5.0
700
0.50
0.5
7.0
100.00
500
1N4739A
1N4740A-G
10.0
25.00
7.0
700
0.25
0.5
7.6
91.00
454
1N4740A
1N4741A-G
11.0
23.00
8.0
700
0.25
0.1
8.4
83.00
414
1N4741A
1N4742A-G
12.0
21.00
9.0
700
0.25
0.1
9.1
76.00
380
1N4742A
1N4743A-G
13.0
19.00
10.0
700
0.25
0.1
9.9
69.00
344
1N4743A
1N4744A-G
15.0
17.00
14.0
700
0.25
0.1
11.4
61.00
305
1N4744A
1N4745A-G
16.0
15.50
16.0
700
0.25
0.1
12.2
57.00
285
1N4745A
1N4746A-G
18.0
14.00
20.0
750
0.25
0.1
13.7
50.00
250
1N4746A
1N4747A-G
20.0
12.50
22.0
750
0.25
0.1
15.2
45.00
225
1N4747A
1N4748A-G
22.0
11.50
23.0
750
0.25
0.1
16.7
41.00
205
1N4748A
1N4749A-G
24.0
10.50
25.0
750
0.25
0.1
18.2
38.00
190
1N4749A
1N4750A-G
27.0
9.50
35.0
750
0.25
0.1
20.6
34.00
170
1N4750A
1N4751A-G
30.0
8.50
40.0
1000
0.25
0.1
22.8
30.00
150
1N4751A
1N4752A-G
33.0
7.50
45.0
1000
0.25
0.1
25.1
27.00
135
1N4752A
1N4753A-G
36.0
7.00
50.0
1000
0.25
0.1
27.4
25.00
125
1N4753A
1N4754A-G
39.0
6.50
60.0
1000
0.25
0.1
29.7
23.00
115
1N4754A
1N4755A-G
43.0
6.00
70.0
1500
0.25
0.1
32.7
22.00
110
1N4755A
1N4756A-G
47.0
5.50
80.0
1500
0.25
0.1
35.8
19.00
95
1N4756A
1N4757A-G
51.0
5.00
95.0
1500
0.25
0.1
38.8
18.00
90
1N4757A
1N4758A-G
56.0
4.50
110.0
2000
0.25
0.1
42.6
16.00
80
1N4758A
1N4759A-G
62.0
4.00
125.0
2000
0.25
0.1
47.1
14.00
70
1N4759A
1N4760A-G
68.0
3.70
150.0
2000
0.25
0.1
51.7
13.00
65
1N4760A
1N4761A-G
75.0
3.30
175.0
2000
0.25
0.1
56.0
12.00
60
1N4761A
1N4762A-G
82.0
3.00
200.0
3000
0.25
0.1
62.2
11.00
55
1N4762A
1N4763A-G
91.0
2.80
250.0
3000
0.25
0.1
69.2
10.00
50
1N4763A
1N4764A-G
100.0
2.50
350.0
3000
0.25
0.1
76.0
9.00
45
1N4764A
Notes:
1. The type number listed have a standard tolerance on the nominal zener voltage of ± 5%.
2. The reverse surge current is a non-repetitive, 8.3ms pulse width square wave
or equivalent sine-wave superimposed on IZT per JEDEC method.
Company reserves the right to improve product design , functions and reliability without notice.
REV: D
Page 2
QW-BZ007
Comchip Technology CO., LTD.
Axial Lead Zener Diode
Electrical Characteristics (1N4728A-G Thru. Z1330A-G)
Nominal Zener
Voltage
Part No
Maximum Zener Impedance
Maximum Reverse
Leakage Current
Maximum
DC Zener
Current
Maximum
Surge
Current
IR @VR
IZM
IRM
(mApk)
[email protected]
IZT
[email protected]
[email protected]
IZK
(V)
(mA)
(Ω)
(Ω)
(mA)
(μA)
(V)
(mA)
Marking
Code
Z1110A-G
110.0
2.30
450.0
4000
0.25
0.1
83.6
8.60
40
Z1110A
Z1120A-G
120.0
2.00
550.0
4500
0.25
0.1
91.2
7.80
37
Z1120A
Z1130A-G
130.0
1.90
700.0
5000
0.25
0.1
98.8
7.00
34
Z1130A
Z1150A-G
150.0
1.70
1000.0
6000
0.25
0.1
114.0
6.40
30
Z1150A
Z1160A-G
160.0
1.60
1100.0
6500
0.25
0.1
121.6
5.80
28
Z1160A
Z1180A-G
180.0
1.40
1200.0
7000
0.25
0.1
136.8
5.20
25
Z1180A
Z1200A-G
200.0
1.20
1900.0
9990
0.25
0.1
152.0
4.70
22
Z1200A
Z1220A-G
220.0
1.10
1600.0
8000
0.25
0.1
167.2
4.00
20
Z1220A
Z1240A-G
240.0
0.90
1800.0
8500
0.25
0.1
182.4
3.80
19
Z1240A
Z1250A-G
250.0
0.90
2000.0
9000
0.25
0.1
190.0
3.60
18
Z1250A
Z1270A-G
270.0
0.80
2100.0
9000
0.25
0.1
205.0
3.30
16
Z1270A
Z1300A-G
300.0
0.80
2300.0
9500
0.25
0.1
228.0
3.00
15
Z1300A
Z1330A-G
330.0
0.70
2500.0
9500
0.25
0.1
250.0
2.70
13
Z1330A
Notes:
1. The type number listed have a standard tolerance on the nominal zener voltage of ± 5%.
2. The reverse surge current is a non-repetitive, 8.3ms pulse width square wave
or equivalent sine-wave superimposed on IZT per JEDEC method.
Company reserves the right to improve product design , functions and reliability without notice.
REV: D
Page 3
QW-BZ007
Comchip Technology CO., LTD.
Axial Lead Zener Diode
RATING AND CHARACTERISTIC CURVES (1N4728A-G Thru. Z1330A-G)
Fig.1 - Power Temperature Derating Curve
Fig.2 - Temperature Coefficients
v.s. Zener Voltage
1.2
1.0
0.8
0.6
0.4
0.2
0
100
Temperature Coefficient, ΘVz (mV/°C)
Max. Power Dissipation, PD (W)
1.4
Range
10
1
0
25
50
75
100
125
150
175
100
1
Lead Temperature, TL (°C)
Zener Voltage,Vz (V)
Fig.3 - Typical Thermal Resistance
v.s. Lead Length
175
Junction to Lead Thermal
Resistance , ΘJL (°C/W)
150
125
100
75
50
25
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
0
1
Lead Length to Heatsink, L (inches)
Fig.4 - Maximum Surge Power
100
Peak Surge Power, Ppk (W)
Rectangular waveform
TJ=25°C prior to initial pulse
5% duty cycle
11V-91V Non-Repetitive
10
10% duty cycle
20% duty cycle
1
0.01
0.1
1
10
100
1000
Pulse Width, PW (ms)
Company reserves the right to improve product design , functions and reliability without notice.
REV: D
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QW-BZ007
Comchip Technology CO., LTD.
Axial Lead Zener Diode
Taping Specification For Axial Lead Diodes
E
90℃±5℃
Z
A
L
L1
B
H
L2
T
E
W
12
o
0
D2
D1 D
W1
DO-41
DO-41
SYMBOL
A
B
Z
T
E
L1
L2
(mm)
5.00 ± 0.50
52.00 ± 0.50
1.20 (max)
6.00 ± 0.40
3.00 (max)
1.00 (max)
1.00 (max)
(inch)
0.197 ± 0.020
2.047 ± 0.020
0.047 (max)
0.236 ± 0.016
0.118 (max)
0.039 (max)
0.039 (max)
SYMBOL
L
W
H
D
D1
D2
W1
(mm)
260.00
75.00
145.00
330 (max)
85.70 ± 0.30
16.60 ± 0.40
72.00 ± 3.00
(inch)
10.236
2.953
5.709
13.00 (max)
3.374 ± 0.012
0.654 ± 0.016
2.835 ± 0.118
Company reserves the right to improve product design , functions and reliability without notice.
REV: D
Page 5
QW-BZ007
Comchip Technology CO., LTD.
Axial Lead Zener Diode
Standard Packaging
Part Number
Code
Packaging
1N4728A-G Thru. Z1330A-G
NA
AMMO PACK
1N4728AT-G Thru. Z1330AT-G
T
REEL PACK
Note: (1)Suffix code after part number to specify packaging item.
AMMO PACK
Case Type
DO-41
BOX
CARTON
( pcs )
( pcs )
5,000
50,000
REEL PACK
Case Type
DO-41
REEL
Reel Size
( pcs )
(inch)
5,000
13
Company reserves the right to improve product design , functions and reliability without notice.
REV: D
Page 6
QW-BZ007
Comchip Technology CO., LTD.
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