ZENER DIODE. 1N4748A Datasheet

1N4748A DIODE. Datasheet pdf. Equivalent


WON-TOP 1N4748A
®
WON-TOP ELECTRONICS
Features
Glass Passivated Die Construction
1.0W Power Dissipation
3.3V – 330V Nominal Zener Voltage
5% Standard Vz Tolerance
Low Inductance
For Use in Voltage Regulator or Reference
Plastic Case Material has UL Flammability
Classification Rating 94V-0
Mechanical Data
Case: DO-41, Molded Plastic
Terminals: Plated Leads Solderable per
MIL-STD-202, Method 208
Polarity: Cathode Band
Weight: 0.35 grams (approx.)
Mounting Position: Any
Marking: Type Number
Lead Free: For RoHS / Lead Free Version,
Add “-LF” Suffix to Part Number, See Page 5
1N4728A – Z1330A
1.0W ZENER DIODE
Pb
ABA
D
DO-41
Dim Min Max
A 25.4 —
B 4.06 5.21
C 0.71 0.864
D 2.00 2.72
All Dimensions in mm
C
Maximum Ratings @TA=25°C unless otherwise specified
Characteristic
Power Dissipation at TL = 50°C (Note 1)
Derate above 50°C
Forward Voltage @ IF = 200mA
Thermal Resistance, Junction to Ambient (Note 2)
Operating and Storage Temperature Range
Symbol
PD
VF
R JA
TJ, TSTG
Value
1.0
6.67
1.2
170
-65 to +150
Note: 1. Measured at lead length 3/8” (9.5mm) from body.
2. Valid provided that leads are kept at ambient temperature at a distance of 10mm from the case.
Unit
W
mW/°C
V
K/W
°C
© Won-Top Electronics Co., Ltd.
Revision: September, 2012
www.wontop.com
1


1N4748A Datasheet
Recommendation 1N4748A Datasheet
Part 1N4748A
Description 1.0W ZENER DIODE
Feature 1N4748A; ® WON-TOP ELECTRONICS Features  Glass Passivated Die Construction  1.0W Power Dissipation  3.3V –.
Manufacture WON-TOP
Datasheet
Download 1N4748A Datasheet




WON-TOP 1N4748A
1N4728A – Z1330A
1.0
0.8
0.6
Measured at lead length
9.5mm from case.
0.4
0.2
0
0
10000
1000
100
10
25 50 75 100 125
TL, LEAD TEMPERATURE (°C)
Fig. 1 Power Derating Curve
150
TJ = 25°C
IZ(RMS) = 0.1 IZ(DC)
VZ = 200V
VZ = 180V
VZ = 150V
VZ = 91V
VZ = 56V
VZ = 30V
VZ = 6.2V
1
0.5 1
10 100 500
IZT, ZENER TEST CURRENT (mA)
Fig. 3 Dynamic Resistance vs. Zener Current
10
1
0.1
TJ = 25°C
Pulse Width = 300µs
1% Duty Cycle
0.01
0.6 0.8 1.0 1.2 1.4 1.6
VF, INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 5 Typical Forward Characteristics
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2
®
500
WON-TOP ELECTRONICS
450
400
350
300
250
VZ @ IZT
200
150
100
50
0
0
1000
50 100 150 200 250
VZ, ZENER VOLTAGE (V)
Fig. 2 Typical Temperature Coefficients
300
TJ = 25°C
100
IZT = 5.0mA
IZT = 10mA
IZT = 20mA
10
IZT = 100mA
1
0.1
1
10 100 1000
VZ, ZENER VOLTAGE (V)
Fig. 3 Dynamic Resistance vs. Zener Voltage
1000
50% VZ Bias
Zero Bias
100
TJ = 25°C
f = 1MHz
10
1
10 100
VZ, NOMINAL ZENER VOLTAGE (V)
Fig. 6 Junction Capacitance vs. Nominal Zener Voltage
© Won-Top Electronics Co., Ltd.
Revision: September, 2012



WON-TOP 1N4748A
®
WON-TOP ELECTRONICS
1N4728A – Z1330A
Electrical Characteristics (@TA=25°C unless otherwise specified) Table 1
Type
Number
(Note 1)
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
1N4762A
1N4763A
1N4764A
Z1110A
Z1120A
Z1130A
Z1150A
Z1160A
Z1180A
Z1200A
Z1220A
Z1240A
Z1250A
Z1270A
Z1300A
Z1330A
Nominal Zener Test
Voltage (Note 2) Current
Maximum Zener Impedance
(Note 3)
VZ @ IZT
(V)
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
82
91
100
110
120
130
150
160
180
200
220
240
250
270
300
330
IZT
(mA)
76.0
69.0
64.0
58.0
53.0
49.0
45.0
41.0
37.0
34.0
31.0
28.0
25.0
23.0
21.0
19.0
17.0
15.5
14.0
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
2.3
2.0
1.9
1.7
1.6
1.4
1.2
1.0
0.9
0.9
0.8
0.8
0.7
ZZT @ IZT ZZK @ IZK
()
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
200
250
350
450
550
700
1000
1100
1200
1900
1600
1800
2000
2100
2300
2500
()
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
3000
3000
3000
4000
4500
5000
6000
6500
7000
9990
8000
8500
9000
9000
9500
9500
IZK
(mA)
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.00
0.50
0.50
0.50
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
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 Max DC Zener Max Surge
Leakage Current Current Current 8.3ms
IR @ VR
(µA) (V)
100 1.0
100 1.0
50 1.0
10 1.0
10 1.0
10 1.0
10 2.0
10 3.0
10 4.0
10 5.0
10 6.0
10 7.0
10 7.6
5 8.4
5 9.1
5 9.9
5 11.4
5 12.2
5 13.7
5 15.2
5 16.7
5 18.2
5 20.6
5 22.8
5 25.1
5 27.4
5 29.7
5 32.7
5 35.8
5 38.8
5 42.6
5 47.1
5 51.7
5 56.0
5 62.2
5 69.2
5 76.0
5 83.6
5 91.2
5 98.8
5 114.0
5 121.6
5 136.8
5 152.0
5 167.2
5 182.4
5 190.0
5 205.0
5 228.0
5 250.2
IZM
(mA)
276
252
234
217
193
178
162
146
133
121
110
100
91
83
76
69
61
57
50
45
41
38
34
30
27
25
23
22
19
18
16
14
13
12
11
10
9.0
8.6
7.8
7.0
6.4
5.8
5.2
4.7
4.0
3.8
3.6
3.3
3.0
2.7
IZS
(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
55
50
45
40
37
34
30
28
25
22
20
19
18
16
15
13
Note: 1. Type numbers listed have standard tolerance on the nominal zener voltage of ±5%.
2. Measured under thermal equilibrium and DC (IZT) test conditions.
3. f = 1KHz
© Won-Top Electronics Co., Ltd.
Revision: September, 2012
www.wontop.com
3





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