MCC
TM
Micro Commercial Components
omponents
20736 Marilla Street Chatsworth
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LS4678
THRU
LS4713
500mW Silicon
Zener Diodes
Features
Zener Voltage 1.8V-30V
Very Sharp Reverse Characteristic
VZ – tolerance ± 5%
High Reliability
Surface Mount Application
Moisture Sensitivity Level 1
•
Mechanical Data
Case: Double slug type, hermetically sealed glass
Polarity: Cathode indicated by polarity band
Quadro MELF
Cathode Mark
Maximum Ratings
Symbol
Max. Steady State Power
Dissipation at
T
L
<75
O
C, Lead Length=3/8”
Junction Temperature
Storage Temperature Range
Thermal Resistance( Junction
to Ambient)
P
D
T
J
T
STG
T
thJA
Value
500
200
-65 to 200
300
Units
mW
o
o
C
D
B
A
DIMENSIONS
INCHES
DIM
A
B
C
D
MIN
.130
.008
.055
.067
MAX
.146
.016
.063
MIN
3.30
.20
1.40
1.70
MM
MAX
3.70
.40
1.60
NOTE
C
C
K/W
∅
Electrical Characteristics @ 25 C Unless Otherwise Specified
Symbol
Max. Forward Voltage
@ I
F
=100mA
V
F
Maximum
1.5
Unit
V
SUGGESTED SOLDER
PAD LAYOUT
.155”
NOTE:
1) Some part number series have lower JEDEC registered
ratings.
2) Lead in Glass Exemption Applied, see EU Directive Annex 7(C)-I.
.022”
.065”
www.mccsemi.com
Revision:
B
1 of 5
2012/08/23
LS4678-LS4713
Zener Voltage
(2)
Device
(1)
MCC
TM
Micro Commercial Components
Electrical Characteristics (T
L
= 30
O
C Unless Otherwise Noted, VF=1.5V Max @ IF=100mA for all types)
Leakage Current
(3)
V
Z
(Volts)
Min
1.71
1.90
2.09
2.28
2.565
2.85
3.135
3.42
3.705
4.085
4.465
4.845
5.32
5.89
6.46
7.125
7.79
8.265
8.645
9.50
10.45
11.40
12.35
13.30
14.25
15.20
16.15
17.10
19.00
25.65
28.5
Nom
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
11
12
13
14
15
16
17
18
20
27
30
Max
1.89
2.10
2.31
2.52
2.835
3.15
3.465
3.78
4.095
4.515
4.935
5.355
5.88
6.51
7.14
7.875
8.61
9.135
9.555
10.5
11.55
12.6
13.65
14.7
15.75
16.8
17.85
18.9
21
28.35
31.5
@ I
ZT
uA
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
I
R
@ V
R
uA Max
7.5
5.0
5.0
2.0
1.0
0.8
7.5
7.5
5.0
4.0
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
0.01
0.01
0.01
Volts
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
15.2
20.4
22.8
I
ZM (4)
mA
120
110
100
95
90
85
80
75
70
65
60
55
50
45
35
31.8
29
27.4
26.2
24.8
21.6
20.4
19
17.5
16.3
15.4
14.5
13.2
11.9
8.8
7.9
V
Z (5)
Volts
0.7
0.7
0.75
0.8
0.85
0.9
0.95
0.95
0.97
0.99
0.99
0.97
0.96
0.95
0.9
0.75
0.5
0.4
0.08
0.1
0.11
0.12
0.13
0.14
0.15
0.16
0.17
0.18
0.2
0.27
0.3
LS4678
LS4679
LS4680
LS4681
LS4682
LS4683
LS4684
LS4685
LS4686
LS4687
LS4688
LS4689
LS4690
LS4691
LS4692
LS4693
LS4694
LS4695
LS4696
LS4697
LS4698
LS4699
LS4700
LS4701
LS4702
LS4703
LS4704
LS4705
LS4707
LS4711
LS4713
Note:
1) Tolerance and type number designation (V
Z
)
The type numbers listed have a standard tolerance of ±5% on the nominal zener voltage.C for
2%
2) Zener voltage (V
Z
) measurement
The zener voltage is measured with the device junction in the thermal equilibrium at the lead
temperature (T
L
) at 30
O
C ± 1
O
C and 3/8” lead length.
3) Reverse leakage current (I
R
)
Reverse leakage currents are guaranteed and measured at V
R
shown on the table.
4) Maximum zener current rating (IZM)
Maximum zener current ratings are based on maximum zener voltage of the individual units
and JEDEC 250mW rating.
5) Maximum voltage change ( V
Z
)
Voltage change is equal to the difference between V
Z
at 100uA and at 10uA
Revision:
B
www.mccsemi.com
2 of 5
2012/08/23
LS4678-LS4713
θV
Z , TEMPERATURE COEFFICIENT (mV/
°C)
+10
+8
+6
+4
+2
0
-2
-4
2
3
4
5
6
7
8
9
V
Z
, ZENER VOLTAGE (VOLTS)
10
11
12
RANGE
V
Z
@ I
ZT
(NOTE 2)
θV
Z , TEMPERATURE COEFFICIENT (mV/
°C)
+12
100
70
50
30
20
10
7
5
3
2
1
10
20
RANGE
MCC
Micro Commercial Components
V
Z
@ I
Z
(NOTE 2)
TM
30
50
V
Z
, ZENER VOLTAGE (VOLTS)
70
100
Figure
1.
Range for Units to 12 Volts
Figure
2.
Range for Units 12 to 100 Volts
θV
Z , TEMPERATURE COEFFICIENT (mV/
°C)
θV
Z , TEMPERATURE COEFFICIENT (mV/
°C)
200
180
160
140
120
100
V
Z
@ I
ZT
(NOTE 2)
120
130
140
150
160
170
180
190
200
+6
+4
+2
0
-2
-4
V
Z
@ I
Z
T
A
= 25°C
20 mA
0.01 mA
1 mA
NOTE: BELOW 3 VOLTS AND ABOVE 8 VOLTS
NOTE:
CHANGES IN ZENER CURRENT DO NOT
NOTE:
AFFECT TEMPERATURE COEFFICIENTS
3
4
5
6
7
8
V
Z
, ZENER VOLTAGE (VOLTS)
V
Z
, ZENER VOLTAGE (VOLTS)
Figure
3.
Range for Units 120 to 200 Volts
Figure
4.
Effect of Zener Current
1000
500
C, CAPACITANCE (pF)
200
100
50
20
10
5
2
1
1
2
5
10
20
50% OF
V
Z
BIAS
0 V BIAS
T
A
= 25°C
100
70
50
C, CAPACITANCE (pF)
30
20
10
7
5
3
2
1
T
A
= 25°C
0 BIAS
1 V BIAS
1 VOLT BIAS
50% OF V
Z
BIAS
50
100
120
140
160
180
190
200
220
V
Z
, ZENER VOLTAGE (VOLTS)
V
Z
, ZENER VOLTAGE (VOLTS)
Figure
5.
Typical Capacitance 2.4–100 Volts
Figure 6. Typical Capacitance 120–200 Volts
Revision:
B
www.mccsemi.com
3 of 5
2012/08/23
LS4678-LS4713
Ppk , PEAK SURGE POWER (WATTS)
100
70
50
30
20
10
7
5
3
2
1
0.01
0.02
0.05
0.1
0.2
0.5
1
2
5
10
20
50
10% DUTY CYCLE
20% DUTY CYCLE
5% DUTY CYCLE
11 V-91 V NONREPETITIVE
1.8 V-10 V NONREPETITIVE
MCC
Micro Commercial Components
RECTANGULAR
WAVEFORM
T
J
= 25°C PRIOR TO
INITIAL PULSE
TM
100
200
500
1000
PW, PULSE WIDTH (ms)
Figure 7. Maximum Surge Power 1.8–91 Volts
Ppk , PEAK SURGE POWER (WATTS)
ZZ , DYNAMIC IMPEDANCE (OHMS)
1000
700
500
300
200
100
70
50
30
20
10
7
5
3
2
1
0.01
1000
500
RECTANGULAR
WAVEFORM, T
J
= 25°C
200
100
50
20
10
5
2
1
0.1
0.2
0.5
V
Z
= 2.7 V
47 V
27 V
T
J
= 25°C
i
Z
(rms) = 0.1 I
Z
(dc)
f = 60 Hz
100-200 VOLTS NONREPETITIVE
6.2 V
0.1
1
10
100
1000
1
2
5
10
20
50
100
PW, PULSE WIDTH (ms)
I
Z
, ZENER CURRENT (mA)
Figure
8.
Maximum Surge Power DO-204AH
100–200 Volts
Figure
9.
Effect of Zener Current on
Zener Impedance
ZZ , DYNAMIC IMPEDANCE (OHMS)
1000
700
500
200
100
70
50
20
10
7
5
2
1
1
2
3
5
7
10
I
Z
= 1 mA
5 mA
20 mA
I F , FORWARD CURRENT (mA)
T
J
= 25°C
i
Z
(rms) = 0.1 I
Z
(dc)
f = 60 Hz
1000
500
200
100
50
20
10
5 150°C
2
1
75°C
MAXIMUM
MINIMUM
25°C
0°C
20
30
50
70 100
0.4
0.5
0.6
0.7
0.8
0.9
1
1.1
V
Z
, ZENER VOLTAGE (VOLTS)
V
F
, FORWARD VOLTAGE (VOLTS)
Figure
10.
Effect of Zener Voltage on Zener Impedance
Figure 11. Typical Forward Characteristics
Revision:
B
www.mccsemi.com
4 of 5
2012/08/23
MCC
Micro Commercial Components
TM
Ordering Information :
Device
Part Number-TP
Packing
Tape&Reel:
2.5Kpcs/Reel
***IMPORTANT NOTICE***
Micro Commercial Components Corp.
reserves the right to make changes without further notice to any product herein to
make corrections, modifications , enhancements , improvements , or other changes .
Micro Commercial Components
Corp .
does not assume any liability arising out of the application or use of any product described herein; neither does it
convey any license under its patent rights ,nor the rights of others . The user of products in such applications shall assume all
risks of such use and will agree to hold
Micro Commercial Components Corp .
and all the companies whose products are
represented on our website, harmless against all damages.
***LIFE SUPPORT***
MCC's products are not authorized for use as critical components in life support devices or systems without the express written
approval of Micro Commercial Components Corporation.
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strong measures to protect ourselves and our customers from the proliferation of counterfeit parts. MCC strongly encourages
customers to purchase MCC parts either directly from MCC or from Authorized MCC Distributors who are listed by country on
our web page cited
below.
Products customers buy either from MCC directly or from Authorized MCC Distributors are genuine
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MCC will not provide any warranty
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MCC is committed to combat this global
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Revision:
B
5 of 5
2012/08/23
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