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1N4460-1N4496,
1N6485-1N6491
High-reliability discrete products
and engineering services since 1977
1.5 WATT GLASS ZENER DIODE
FEATURES
Available as “HR” (high reliability) screened per MIL-PRF-19500, JANTX level. Add “HR” suffix to base part number.
Available as non-RoHS (Sn/Pb plating), standard, and as RoHS by adding “-PBF” suffix.
MAXIMUM RATINGS
Operating Temperature:
Storage Temperature:
Power Dissipation:
Thermal Resistance
Forward Voltage
-65 to +175°C
-65 to +175°C
1.5 Watts @ TA = 25°C
42°C/W at 3/8 inch from body
1.00 V at 200 mA and 1.5 V at 1.0 A
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise specified)
Type
Nominal
Zener
Voltage
VZ
Test
Current
IZT
Maximum
Dynamic
Impedance
ZZT @ IZT
Maximum
Knee
Impedance
ZZK @ IZK
Maximum Reverse
Current
IR @ VR
1N6485
1N6486
1N6487
1N6488
1N6489
1N6490
1N6491
1N4460
1N4461
1N4462
1N4463
1N4464
1N4465
1N4466
1N4467
1N4468
1N4469
1N4470
1N4471
1N4472
1N4473
1N4474
1N4475
1N4476
1N4477
Volts
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.2
6.8
7.5
8.2
9.1
10.0
11.0
12.0
13.0
15.0
16.0
18.0
20.0
22.0
24.0
27.0
30.0
33.0
mA
76.0
69.0
64.0
58.0
53.0
49.0
45.0
40.0
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
Ohms
10
10
9
9
8
7
5
4
2.5
2.5
3
4
5
6
7
8
9
10
11
12
14
16
18
20
25
Ohms
400
400
400
400
500
500
600
200
200
400
400
500
500
550
550
550
600
600
650
650
650
700
700
750
800
mA
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
.50
.50
.50
.25
.25
.25
.25
.25
.25
.25
.25
.25
.25
.25
.25
.25
µA
50
50
35
5.0
4.0
1.0
.5
10.0
5.0
1.0
.50
.30
.30
.30
.20
.05
.05
.05
.05
.05
.05
.05
.05
.05
.05
Volts
1.0
1.0
1.0
1.0
1.0
1.0
2.0
3.72
4.08
4.50
4.92
5.46
8.00
8.80
9.60
10.40
12.00
12.80
14.40
16.00
17.60
19.20
21.60
24.00
26.40
Maximum
Continuous
Current
IZM
mA
433
397
366
366
304
280
255
230
210
191
174
157
143
130
119
110
95
90
79
71
65
60
53
48
43
Surge
Current
8.3 ms sq wave
IZSM
Amps
4.2
3.9
3.6
3.6
3.0
2.7
2.5
2.3
2.1
1.9
1.7
1.6
1.4
1.3
1.2
1.1
.95
.80
.79
.71
.65
.60
.53
.48
.43
Rev. 20120705

No Preview Available !

1N4460-1N4496,
1N6485-1N6491
High-reliability discrete products
and engineering services since 1977
1.5 WATT GLASS ZENER DIODE
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise specified)
Type
Nominal
Zener
Voltage
VZ
Test
Current
IZT
Maximum
Dynamic
Impedance
ZZT @ IZT
Maximum
Knee
Impedance
ZZK @ IZK
Maximum Reverse
Current
IR @ VR
Volts
mA
Ohms
Ohms mA
µA
1N4478
36.0
7.0
27
850 .25
.05
1N4479
39.0
6.5
30
900 .25
.05
1N4480
43.0
6.0
40
950 .25
.05
1N4481
47.0
5.5
50
1000 .25
.05
1N4482
51.0
5.0
60
1100 .25
.05
1N4483
56.0
4.5
70
1300 .25
.25
1N4484
62.0
4.0
80
1500 .25
.25
1N4485
68.0
3.7
100
1700 .25
.25
1N4486
75.0
3.3
130
2000 .25
.25
1N4487
82.0
3.0
160
2500 .25
.25
1N4488
91.0
2.8
200
3000 .25
.25
1N4489
100.0
2.5
250
3100 .25
.25
1N4490
110.0
2.0
300
4000 .25
.25
1N4491
120.0
2.0
400
4500 .25
.25
1N4492
130.0
1.9
500
5000 .25
.25
1N4493
150.0
1.7
700
6000 .25
.25
1N4494
160.0
1.6
1000
6500 .25
.25
1N4495
180.0
1.4
1300
7000 .25
.25
1N4496
200.0
1.2
1500
8000 .25
.25
Standard tolerance is 5%. Available in ±2%(C) tolerance and ±1%(D) tolerance.
Volts
28.80
31.2
34.4
37.6
40.8
44.8
49.6
54.4
60.4
65.6
72.8
80.0
88.0
96.0
104.0
120.0
128.0
144.0
160.0
Maximum
Continuous
Current
IZM
mA
40
37
33
30
28
26
23
21
19
17
16
14
13
12
11
9.5
8.9
7.9
7.2
Surge
Current
8.3 ms sq wave
IZSM
Amps
.40
.37
.33
.30
.28
.26
.23
.21
.19
.17
.16
.14
.13
.12
.11
.095
.089
.079
.072
Rev. 20120705

No Preview Available !

High-reliability discrete products
and engineering services since 1977
MECHANICAL CHARACTERISTICS
Case:
Digi A
Marking:
Body painted, alpha-numeric
Polarity:
Cathode band
1N4460-1N4496,
1N6485-1N6491
1.5 WATT GLASS ZENER DIODE
TYPICAL TEMPERATURE COEFFICIENT CHARACTERISTICS
POWER TEMPERATURE DERATING CURVE
Rev. 20120705