LITE-ON
SEMICONDUCTOR
LZ52C-WS Series
ZENER VOLTAGE
- 5.1 to 36 Volts
POWER DISSIPATION - 500 mWatts
SURFACE MOUNT ZENER DIODE
FEATURES
For surface mounted application
Silicon epitaxial planar diode
Ultra small surface mount package
Low leakage current
2% tolerance device of Vz
B
0805
A
5V1
C
MECHANICAL DATA
Case : 0805
Case Material: "Green" molding compound, UL
flammability classification 94V-0, (No Br. Sb. Cl)
Terminals: Lead Free Plating
Polarity : Color band denotes cathode
Weight : Approx.10mg
D
0805
Dim.
A
B
Min.
1.80
1.05
0.75
0.25
Max.
2.20
1.45
0.95
0.65
5V
1
C
D
All Dimensions in millimeter
Maximum Ratings and Thermal Characteristics
Characteristic
Total Power Dissipation
Thermal Resistance Junction to Ambiant Air
Operating and Storage Temperature Range
@ T
A
= 25
℃
unless otherwise specified
Symbol
P
TOT
Value
500
300
Units
mW
℃
/W
℃
R
θ
JA
T
J
, T
STG
-65 to +175
Electrical Characteristics
@ T
A
= 25
℃
unless otherwise specified
Parameters
Forward Voltage
Symbol
V
F
Test Condition
IF = 200 mA
Max.
1.5
Unit
V
REV. 4, Oct-2010, KSJS02
RATING AND CHARACTERISTIC CURVES
LZ52C-WS Series
Fig.1 - POWER DISSIPATION DERATING CURVE
600
TOTAL POWER DISSIPATION (mW)
120
Fig.4 - ZENER CURRENT v.s ZENER VOLTAGE
500
ZENER CURRENT ( mA )
100
400
80
Ptot = 500mW
T
J
= 25
℃
300
60
200
40
100
20
0
0
25
50
75
100
125
150
175
200
AMBIENT TEMPERATURE , (
℃
)
0
0
5
10
15
20
25
30
35
40
45
ZENER BREAKDOWN VOLTAGE , ( V )
Fig.2-TYPICAL FORWARD CHARACTERISTICS
INSTANTANEOUS FORWARD CURRENT (mA)
100
200
Fig.5-TYPICAL JUNCTION CAPACITANCE
JUNCTION CAPACITANCE (pF)
10
150
f =1MHz
VR=2V
T
J
=25
℃
T
J
= 25
℃
1
100
0.1
Pulse Width: 300us
50
0.01
0.0
0.2
0.4
0.6
0.8
1.0
INSTANTANEOUS FORWARD VOLTAGE , ( V )
0
0
5
10
15
20
25
30
ZENER BREAKDOWN VOLTAGE , (V)
Fig.3 - TYPICAL CHANGE OF WORKING UNDER OPERATING
1000
Recommended Mounting Pad Layout
T
J
= 25
℃
VOLTAGE CHANGE , ( mV )
0.51
Typ.
100
1.40
Typ.
10
I
Z
= 5mA
1.22
Typ.
1
0
5
10
15
20
25
30
All dimensions in millimeter
ZENER BREAKDOWN VOLTAGE , ( V )
RATING AND CHARACTERISTIC CURVES
LZ52C-WS Series
Zener Voltage Range
(Note 1)
Type
Number
Marking
Code
Vz @ I
ZT
Min (V)
LZ52C5V1WS
LZ52C5V6WS
LZ52C6V2WS
LZ52C6V8WS
LZ52C7V5WS
LZ52C8V2WS
LZ52C9V1WS
LZ52C10WS
LZ52C11WS
LZ52C12WS
LZ52C13WS
LZ52C15WS
LZ52C16WS
LZ52C18WS
LZ52C20WS
LZ52C22WS
LZ52C24WS
LZ52C27WS
LZ52C30WS
LZ52C33WS
LZ52C36WS
5V1
5V6
6V2
6V8
7V5
8V2
9V1
10
11
12
13
15
16
18
20
22
24
27
30
33
36
5.00
5.48
6.08
6.66
7.35
8.04
8.92
9.80
10.78
11.76
12.74
14.70
15.68
17.64
19.60
21.56
23.52
26.46
29.40
32.34
35.28
Max (V)
5.20
5.72
6.32
6.94
7.65
8.36
9.28
10.20
11.22
12.24
13.26
15.30
16.32
18.36
20.40
22.44
24.48
27.54
30.60
33.66
36.72
Test
Current
I
ZT
mA
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
Maximum Zener
Impedance
Z
ZT
@ I
ZT
Z
ZK
@
I
ZK
=1.0mA
Maximum Reverse
Current
I
R
uA
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
@V
R
v
1.0
1.0
2.0
3.0
5.0
6.2
6.8
7.5
8.2
9.1
10
11
12
13
15
16
18
20
22
24
27
Ω
50
30
10
8
7
7
10
15
20
20
26
30
40
50
52
52
80
80
80
80
80
Ω
520
450
200
150
50
50
50
70
70
90
110
110
170
170
220
220
220
220
220
220
220
NOTE1 : Tested with pulses, Tp < 100ms
Legal Disclaimer Notice
LZ52C-WS Series
Important Notice and Disclaimer
LSC reserves the right to make changes to this document and its products and
specifications at any time without notice. Customers should obtain and confirm
the latest product information and specifications before final design, purchase or
use.
LSC makes no warranty, representation or guarantee regarding the suitability of
its products for any particular purpose, nor does LSC assume any liability for
application assistance or customer product design. LSC does not warrant or
accept any liability with products which are purchased or used for any
unintended or unauthorized application.
No license is granted by implication or otherwise under any intellectual property
rights of LSC.
LSC products are not authorized for use as critical components in life support
devices or systems without express written approval of LSC.
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