1N4678 SERIES
AXIAL LEAD ZENER DIODES
VOLTAGE
FEATURES
• Planar Die construction
• 500mW Power Dissipation
• Ideally Suited for Automated Assembly Processes
• In compliance with EU RoHS 2002/95/EC directives
1.8 to 43 Volts
POWER
500mWatts
MECHANICAL DATA
• Case: Molded Glass DO-35
• Terminals: Solderable per MIL-STD-750, Method 2026
• Polarity: See Diagram Below
• Approx. Weight: 0.13 grams
• Mounting Position: Any
• Ordering information: Suffix : “ -35 ” to order DO-35 Package
• Packing information
B
- 2K per Bulk box
T/R - 10K per 15" plastic Reel
T/B - 5K per horiz. tape & Ammo box
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS (T
A
=25
o
C unless otherwise noted)
Rating
Power Dissipation at T
A
= 25
O
C
Maximum Forward Voltage at I
F
=100mA
Maximum Thermal Resistance Junction to Ambient Air (Notes 1)
Operating Junction Temperature Range
Storage Temperature Range
Symbol
P
TOT
V
F
R
θJA
T
J
T
STG
Value
500
1
300
-55 to +175
-55 to +175
Units
mW
V
O
C/W
O
C
C
O
NOTES :
1. Valid provided that leads at a distance of 10mm from case are kept at ambient temperature.
February 23,2011-REV.00
PAGE . 1
1N4678 SERIES
No mi na l Ze ne r Vo lta g e
Part
Number
No m.V
1N4678
1N4679
1N4680
1N4681
1N4682
1N4683
1N4684
1N4685
1N4686
1N4687
1N4688
1N4689
1N4690
1N4691
1N4692
1N4693
1N4694
1N4695
1N4696
1N4697
1N4698
1N4699
1N4700
1N4701
1N4702
1N4703
1N4704
1N4705
1N4706
1N4707
1N4708
1N4709
1N4710
1N4711
1N4712
1N4713
1N4714
1N4715
1N4716
1N4717
1.8
2.0
2.2
2.4
2.7
3.0
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.2
6.8
7.5
8.2
8.7
9.1
10.0
11.0
12.0
13.0
14.0
15.0
16.0
17.0
18.0
19.0
20.0
22.0
24.0
25.0
27.0
28.0
30.0
33.0
36.0
39.0
43.0
Max. Zener Impedance
Max. Reverse Leakage Current
Marking
Code
V
1.0
1.0
1.0
1.0
1.0
1.0
1.5
2.0
2.0
2.0
3.0
3.0
4.0
5.0
5.1
5.7
6.2
6.6
6.9
7.6
8.4
9.1
9.8
10.6
11.4
12.1
12.9
13.6
14.4
15.2
16.7
18.2
19.0
20.4
21.2
22.8
25.0
27.3
29.6
32.6
1N4678
1N4679
1N4680
1N4681
1N4682
1N4683
1N4684
1N4685
1N4686
1N4687
1N4688
1N4689
1N4690
1N4691
1N4692
1N4693
1N4694
1N4695
1N4696
1N4697
1N4698
1N4699
1N4700
1N4701
1N4702
1N4703
1N4704
1N4705
1N4706
1N4707
1N4708
1N4709
1N4710
1N4711
1N4712
1N4713
1N4714
1N4715
1N4716
1N4717
V
Z
@ I
ZT
Mi n.V
1.710
1.900
2.090
2.280
2.565
2.850
3.135
3.420
3.705
4.085
4.465
4.845
5.320
5.890
6.460
7.125
7.790
8.265
8.645
9.500
10.45
11.40
12.35
13.30
14.25
15.20
16.15
17.10
18.05
19.00
20.90
22.80
23.75
25.65
26.60
28.50
31.35
34.20
37.05
40.85
Ma x.V
1.890
2.100
2.310
2.520
2.835
3.150
3.465
3.780
4.095
4.515
4.935
5.355
5.880
6.510
7.140
7.875
8.610
9.135
9.555
10.50
11.55
12.60
13.65
14.70
15.75
16.80
17.85
18.90
19.95
21.00
23.10
25.20
26.25
28.35
29.40
31.50
34.65
37.80
40.95
45.15
Ω
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Z
ZT
@ I
ZT
mA
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
μA
7.50
5.00
4.00
2.00
1.00
0.80
7.50
7.50
5.00
4.00
10
10
10
10
10
10
1.0
1.0
1.0
1.0
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
I
R
@ V
R
February 23,2011-REV.00
PAGE . 2
1N4678 SERIES
P
D
, Power Dissipation (W)
0.6
1000
0.5
0.4
0.3
0.2
0.1
0
0
25
50
75
100
125
150
175
I
F
, Forward Current
(mA)
T
J
= 125°C
100
T
J
= 175°C
T
J
= 25°C
10
T
J
= 75°C
1
0.2
0.4
0.6
0.8
1
1.2
T
L
, Lead Temperature (°C)
V
F
, Forward Voltage (V)
Fig.1 Power Derating Curve
Fig.2 Typical Forward Characteristics
2.0V
4.3V
3.6V
3.3V
3.0V
6.2V
5.6V
4.7V
10V
11V
22V
60
I
R
,Leakage Current (μA)
50
40
30
20
10
T
J
= 25°C
0
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
V
R
, Reverse Voltage (V)
Fig.3 Typical Reverse Characteristics
6.2V
5.6V
4.7V
4.3V
3.6V
3.3V
3.0V
10V
11V
22V
30
2.0V
I
Z
, Leakage Current (mA)
25
20
15
10
5
0
0
1
2
3
T
J
= 25°C
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
V
Z
, Reverse Voltage (V)
Fig.4 Typical Zener Characteristics
February 23,2011-REV.00
PAGE . 3
电子工程世界
综合技术交流
