SMD Zener Diode
Page 1
QW-A2002
Features
150mW Power Dissipation.
High Voltages from 2 ~ 39 V.
Designed for mounting on small surface.
Extremely thin/leadless package.
Pb free product.
Mechanical data
Case: 0603(1608)Standard package
Molded plastic.
Terminals: Gold plated, solderable per
MIL-STD-750,method 2026.
Polarity: Indicated by cathode band.
Weight: 0.003 gram(approx.).
REV:B
0.071(1.80)
0.063(1.60)
0.014(0.35) Typ.
0.039(1.00)
0.031(0.80)
0.033(0.85)
0.027(0.70)
Dimensions in inches and (millimeter)
0603(1608)
0.012 (0.30) Typ.
0.028(0.70) Typ.
SMD Diodes Specialist
Peak ESD voltage capability (IEC 61000-4-2)
Parameter Symbol Value
0.9
150
8
Unit
V
mW
Forward current , surge peak
8.3 ms single half sine-wave superimposed
on rate load( JEDEC method )
2.0 A
Maximum Rating AND Electrical Characteristics
IFSM
PD
VF
VPV kV
Maximum Forward Voltage Drop at IF = 10 mA
O
Maximum Power Dissipation at 25 C
Operating Junction and Storage Temperature Range -55 to +125
TJOC
Voltage 2 to 39 Volts
Power 150 mWatts
(RoHS Device)
CZRU52C2 Thru CZRU52C39
Comchip Technology CO., LTD.
Page 2
QW-A2002
SMD Zener Diode
CZRU 52C2
CZRU 52C2V2
CZRU 52C2V4
CZRU 52C2V7
CZRU 52C3
CZRU 52C3V3
CZRU 52C3V6
CZRU 52C3V9
CZRU 52C4V3
CZRU 52C4V7
CZRU 52C5V1
CZRU 52C5V6
CZRU 52C6V2
CZRU 52C6V8
CZRU 52C7V5
CZRU 52C8V2
CZRU 52C9V1
CZRU 52C10
CZRU 52C11
CZRU 52C12
CZRU 52C13
CZRU 52C15
CZRU 52C16
CZRU 52C18
CZRU 52C20
CZRU 52C22
CZRU 52C24
CZRU 52C27
CZRU 52C30
CZRU 52C33
CZRU 52C36
CZRU 52C39
Part Nu mbe r
Mar king
Code
Z0
Z1
Z2
Z3
Z4
Z5
Z6
Z7
Z8
Z9
ZA
ZB
ZC
ZE
ZF
ZG
ZH
ZJ
ZK
ZM
ZN
ZP
ZQ
ZR
ZS
ZT
ZU
ZV
ZW
ZX
ZY
ZZ
1.90
2.09
2.28
2.57
2.85
3.14
3.42
3.71
4.09
4.47
4.85
5.32
5.89
6.46
7.13
7.79
8.65
9.50
10.45
11.40
12.35
14.25
15.20
17.10
19.00
20.90
22.80
25.65
28.50
31.35
34.20
37.05
Min Ma x
2.10
2.31
2.52
2.84
3.15
3.47
3.78
4.10
4.52
4.94
5.36
5.88
6.51
7.14
7.88
8.61
9.56
10.50
11.55
12.60
13.65
15.75
16.80
18.90
21.00
23.10
25.20
28.35
31.50
34.65
37.80
40.95
5
IZ(mA)
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
100
100
85
83
95
95
95
95
95
78
60
40
10
8
7
7
10
15
20
20
25
30
40
50
50
55
80
80
80
80
90
90
Max
5
IZ(mA)
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
600
600
600
500
500
500
500
500
500
500
480
400
200
150
50
50
50
70
70
90
110
110
170
170
220
220
220
250
250
250
250
300
Max
1
IZ(mA)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
100
100
100
75
50
25
15
10
5
5
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
0.1
Max
1
VR(V)
1
1
1
1
1
1
1
1
2
0.8
1
2
3
5
7
7.5
8.5
9
10
11
12
14
15
17
18
20
23
25
27
29
6
VZ(V) ZZT(Ohm) ZZK( Ohm) IR(uA)
Zener Voltage Operating
resistance
Rising
operating
Resistance
Reverse
current
O
Electrical Characteristics(Ta = 25 C)
REV:B
SMD Diodes Specialist
Comchip Technology CO., LTD.
Page 3
QW-A2002
SMD Zener Diode
RATING AND CHARACTERISTIC CURVES (CZRU52C2 Thru CZRU52C39)
O
TEMPERATURE COEFFICIENT,(mV/ C)
Fig.1 TEMPERATURE COEFFICENTS
NOMINAL ZENER VOLTAGE,VOLTS
-4
6
5
4
3
2
1
0
1
-2
-3
2 1211
1098
7
6
5
4
3
7
Fig.6 TYPICAL CAPACITANCE
NORMAL ZENER VOLTAGE,VOLTS
CAPACITANCE,PF
0 10 20 30 40
0
50
100
150
200
250
300
350
400
0V BIAS
1V BIAS
BIASAT
50% OF VZNOM
O
TA =25 C
Fig.3 EFFECT OF ZENER VOLTAGE
ON ZENER IMPEDANCE
NORMALL ZENER VOLTAGE,VOLTS
50
110
1
10
100
1000
O
TJ=25 C
IZ (AC)0.1IZ (DC)
F=1kHZ
DYNAMIC IMPEDANCE,Ohm
IZ=20mA
IZ=1mA
IZ=5mA
Fig.5 TYPICAL LEAKAGE CURRENT
NOMI NA L ZENER VOLTAGE ,Volts
100
10
1
0.1
0.01
0.001
0.0001
0.00001 0 5 10 15 20 25 30 35 40 45
LEAKAGE CURRENT,mA
O
+125 C
O
+25 C
O
-55 C
FORWARD VOLTAGE , Volts
Fig.4 TYPICAL FORWARD VOLTAGE
0.4
1
10
100
1000
0.5 0.6 0.7 0.8 0.9 1.0 1.1
FORWARD CURRENT,mA
O
25 C
O
75C
O
125C
Fig.2 TEMPERATURE COEFFICENTS
NOMINAL ZENER VOLTAGE,VOLTS
O
TEMPERATURE COEFFICIENT,(mV/ C)
100
10 50
10
1
3020 40
REV:B
SMD Diodes Specialist
Comchip Technology CO., LTD.
Page 4
QW-A2002
SMD Zener Diode
0
0.6
0.5
0.4
0.3
0.2
0.1
0 150125100755025
POWER DISSIPATION,Watts
Fig.9 STEADY STATE POWER DERATING
RATING AND CHARACTERISTIC CURVES (CZRU52C2 Thru CZRU52C39)
TEMPERATURE( C)
O
ZENER VOLTAGE ,Volts
ZENER CURRENT,mA
ZENER VOLTAGE ,Volts
ZENER CURRENT,mA
Fig.7 ZENER VOLTAGE VERSUS ZENER CURRENT Fig.8 ZENER VOLTAGE VERSUS ZENER CURRENT
0.01
0.1
1
10
100
0246 8 10 12
O
TA =25 C
0.01
0.1
1
10
100
10 503020 40
2
2V2
2V4
2V7
3
3V3
3V6
3V9
4V3
4V7
5V1
5V6
6V2
6V8
7V5
8V2
9V1
10
11
O
TA =25 C
12
13
15
16
18
20
22
24
27
30
33
36
39
REV:B
SMD Diodes Specialist
Comchip Technology CO., LTD.
SMD Zener Diode
Page 5
QW-A2002
REV:B
SMD Diodes Specialist
Index hole
o
120
Trailer Device Leader
10 pitches (min)10 pitches (min)
.......
.......
....... ..............
....... ..............
End Start
d
E
F
B W
A
P
P0
P1
D1
D2
D
W1
T
C
Direction of Feed
BCdD D2
D1
E F P P0P1T
U/0603
SYMBOL
A
W W1
Reel Taping Specification
(mm)
(inch) 0.039 0.004±0.073 0.004±0.039 0.004±0.061 0.002±7.008 0.04±2.362 MIN. 0.512 0.008±
U/0603
SYMBOL
(mm)
(inch) 0.069 0.004±0.138 0.002±0.157 0.004±0.157 0.004±0.079 0.004±0.009 0.002±0.315 0.008±0.531 MAX.
Polarity
1.00 0.10± 1.85 0.10±
4.00 0.10±
1.55 0.05±
3.50 0.05±1.75 0.10±
60.0 MIN. 13.0 0.20±1.00 0.10±
4.00 0.10± 2.00 0.05± 0.23 0.05± 8.00 0.20± 13.5 MAX.
178 1±
Comchip Technology CO., LTD.
SMD Zener Diode
Page 6
QW-A2002
REV:B
SMD Diodes Specialist
Suggested PAD Layout
SIZE
(inch)
0.067
(mm)
1.70
0.60
0.80
0.024
0.031
U/0603
2.30 0.091
E1.10 0.043
Standard Package
Case Type
Qty per Reel
(Pcs)
4000
U/0603
Reel Size
(inch)
7
A
B
C
D
A
C
B
E
D
Comchip Technology CO., LTD.
