1N4678 SERIES
AXIAL LEAD ZENER DIODES
VOLTAGE
FEATURES
• Planar Die construction
• 500mW Power Dissipation
• Ideally Suited for Automated Assembly Processes
• Lead free in compliance with EU RoHS 2011/65/EU directive
1.8 to 43 Volt
POWER
500mWatt
MECHANICAL DATA
• Case: Molded Glass DO-35
• Terminals: Solderable per MIL-STD-750, Method 2026
• Approx. Weight: 0.00465 ounces, 0.131 grams
• Packing information
B
- 2K per Bulk box
T/R - 10K per 15" plastic Reel
T/B - 5K per horiz. tape & Ammo box
1
2
Cathode
Anode
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
JA
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.
April 8,2014-REV.02
PAGE . 1
1N4678 SERIES
No mi na l Z e ne r V o 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
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
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Max. Zener Impedance
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
A
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
Max. Reverse Leakage Current
I
R
@ V
R
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
Marking
Code
April 8,2014-REV.02
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
,
Zener
Voltage (V)
Fig.4 Typical Zener Characteristics
April 8,2014-REV.02
PAGE . 3
1N4678 SERIES
Part No_packing code_Version
1N4678_AX_10001
1N4678_AY_10001
1N4678_R2_10001
1N4678_B0_10001
For example :
RB500V-40_R2_00001
Serial number
Part No.
Version code means HF
Packing size code means 13"
Packing type means T/R
Packing Code
XX
Packing type
Tape and Ammunition Box
(T/B)
Tape and Reel
(T/R)
Bulk Packing
(B/P)
Tube Packing
(T/P)
Tape and Reel (Right Oriented)
(TRR)
Tape and Reel (Left Oriented)
(TRL)
FORMING
1
st
Code
A
R
B
T
S
L
F
Packing size code
N/A
7"
13"
26mm
52mm
PANASERT T/B CATHODE UP
(PBCU)
PANASERT T/B CATHODE DOWN
(PBCD)
Version Code
XXXXX
2
nd
Code
HF or RoHS
1
st
Code 2
nd
~5
th
Code
0
1
2
X
Y
U
D
HF
RoHS
0
1
serial number
serial number
April 8,2014-REV.02
PAGE . 4
1N4678 SERIES
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•
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•
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document anytime without notification. Please refer to our website for the latest
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•
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of fitness for particular purpose, non-infringement and merchantability.
•
Applications shown on the herein document are examples of standard use and operation.
Customers are responsible in comprehending the suitable use in particular applications.
suitable for the specified use without further testing or modification.
Panjit International Inc. makes no representation or warranty that such applications will be
•
The products shown herein are not designed and authorized for equipments requiring high
level of reliability or relating to human life and for any applications concerning life-saving
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se
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•
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April 8,2014-REV.02
PAGE . 5
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