SMD Zener Diode
CZRF52C2 Thru. CZRF52C39
Voltage 2 to 39 Volts
Power 350 mWatts
RoHS Device
Features
- 350mW Power Dissipation.
- High Voltages from 2 ~ 39 V.
- Designed for mounting on small surface.
- Extremely thin/leadless package.
- Pb free product.
0.051(1.30)
0.043(1.10)
0.102(2.60)
0.095(2.40)
1005/SOD-323F
Mechanical data
- Case: 1005/SOD-323F Standard package
Molded plastic.
- Terminals: Gold plated, solderable per
MIL-STD-750,method 2026.
- Polarity: Indicated by cathode band.
- Weight: 0.006 gram(approx.).
0.040(1.00) Typ.
0.020(0.50) Typ.
0.035(0.90)
0.027(0.70)
0.012 (0.30) Typ.
Dimensions in inches and (millimeter)
Circuit Diagram
1
2
Maximum Rating And Electrical Characteristics
(at TA=25°C unless otherwise noted)
Parameter
Maximum Forward Voltage Drop at I
F
= 10 mA
Maximum Power Dissipation at 25 °C
Forward current , surge peak
8.3 ms single half sine-wave superimposed
on rate load( JEDEC method )
Peak ESD voltage capability (IEC 61000-4-2)
Operating Junction and Storage Temperature Range
Symbol
V
F
P
D
Value
0.9
350
Unit
V
mW
I
FSM
2.0
A
V
PV
T
J
8
-55 to +125
kV
°C
Company reserves the right to improve product design , functions and reliability without notice.
QW-A2001
REV:C
Page 1
Comchip Technology CO., LTD.
SMD Zener Diode
Electrical Characteristics(Ta = 25°C)
Zener Voltage
Part Number
Marking
Code
V
Z
(V)
Min
CZRF52C2
CZRF52C2V2
CZRF52C2V4
CZRF52C2V7
CZRF52C3
CZRF52C3V3
CZRF52C3V6
CZRF52C3V9
CZRF52C4V3
CZRF52C4V7
CZRF52C5V1
CZRF52C5V6
CZRF52C6V2
CZRF52C6V8
CZRF52C7V5
CZRF52C8V2
CZRF52C9V1
CZRF52C10
CZRF52C11
CZRF52C12
CZRF52C13
CZRF52C15
CZRF52C16
CZRF52C18
CZRF52C20
CZRF52C22
CZRF52C24
CZRF52C27
CZRF52C30
CZRF52C33
CZRF52C36
CZRF52C39
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
Max
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
Operating
resistance
ZZT(Ohm)
Rising
operating
Resistance
ZZK(Ohm)
Max
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
Reverse
current
IR(uA)
Max
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
I
Z
(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
5
Max
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
I
Z
(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
5
I
Z
(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
1
V
R
(V)
1
1
1
1
1
1
1
1
1
2
0.8
1
2
3
5
6
7
7.5
8.5
9
10
11
12
14
15
17
18
20
23
25
27
29
REV:C
Company reserves the right to improve product design , functions and reliability without notice.
QW-A2001
Page 2
Comchip Technology CO., LTD.
SMD Zener Diode
RATING AND CHARACTERISTIC CURVES (CZRF52C2 Thru. CZRF52C39)
Fig.1 TEMPERATURE COEFFICENTS
C)
C)
7
6
5
4
3
2
1
0
1
-2
-3
-4
2
3
4
5
6
7
8
9
10
11
12
NOMINAL ZENER VOLTAGE,VOLTS
O
O
Fig.2 TEMPERATURE COEFFICENTS
100
TEMPERATURE COEFFICIENT,(mV/
TEMPERATURE COEFFICIENT,(mV/
10
1
10
20
30
40
50
NOMINAL ZENER VOLTAGE,VOLTS
Fig.3 EFFECT OF ZENER VOLTAGE
ON ZENER IMPEDANCE
1000
DYNAMIC IMPEDANCE,Ohm
T
J
=25 C
I
Z
(AC)0.1I
Z
(DC)
F=1kHZ
O
Fig.4 TYPICAL FORWARD VOLTAGE
1000
100
I
Z
=5mA
FORWARD CURRENT,mA
I
Z
=1mA
100
I
Z
=20mA
10
10
5C
O
C
O
75
1
1
10
NORMALL ZENER VOLTAGE,VOLTS
50
1
0.4
0.5
12
25
C
O
0.6
0.7
0.8
0.9
1.0
1.1
FORWARD VOLTAGE, Volts
Fig.5 TYPICAL LEAKAGE CURRENT
100
10
LEAKAGE CURRENT,mA
Fig.6 TYPICAL CAPACITANCE
400
350
300
CAPACITANCE,
P
F
+125 C
O
T
A
=25 C
O
1
0.1
0.01
0.001
+25 C
-55 C
0
5
10
15
20
25
30
35
40
45
O
O
0V BIAS
1V BIAS
250
200
150
100
50
0
0
10
20
30
40
BIASAT
50% OF V
Z
NOM
0.0001
0.00001
NOMINAL ZENER VOLTAGE,Volts
NORMAL ZENER VOLTAGE,VOLTS
Company reserves the right to improve product design , functions and reliability without notice.
QW-A2001
REV:C
Page 3
Comchip Technology CO., LTD.
SMD Zener Diode
RATING AND CHARACTERISTIC CURVES (CZRF52C2 Thru. CZRF52C39)
Fig.7 ZENER VOLTAGE VERSUS ZENER CURRENT
100
2
2V2
2V4
2V7
3
3V3
3V6
3V9
4V3
4V7
5V1
5V6
6V2
6V8
7V5
8V2
9V1
Fig.8 ZENER VOLTAGE VERSUS ZENER CURRENT
100
12
13
15
16
18
20
22
24
27
30
T
A
=25 C
10
11
O
T
A
=25 C
33
36
39
O
ZENER CURRENT,mA
1
ZENER CURRENT,mA
10
10
1
0.1
0.1
0.01
0
2
4
6
8
10
12
ZENER VOLTAGE,Volts
0.01
10
20
30
40
50
ZENER VOLTAGE,Volts
Fig.9 STEADY STATE POWER DERATING
0.6
0.5
0.4
0.3
0.2
0.1
0
0
25
50
75
O
POWER DISSIPATION,Watts
100
125
150
TEMPERATURE(C)
Company reserves the right to improve product design , functions and reliability without notice.
QW-A2001
REV:C
Page 4
Comchip Technology CO., LTD.
SMD Zener Diode
Reel Taping Specification
P
0
P
1
d
Index hole
E
T
F
B
Polarity
W
C
P
A
12
0
o
D
2
D
1
D
W
1
Trailer
.......
.......
10 pitches (min)
Device
.......
.......
.......
.......
Leader
.......
.......
10 pitches (min)
End
Start
Direction of Feed
SYMBOL
A
1.55 ± 0.10
0.061 ± 0.004
B
2.65 ± 0.10
0.104 ± 0.004
C
1.05 ± 0.10
0.041 ± 0.004
d
1.55 + 0.05
0.061 + 0.002
D
178 ± 1
7.008 ± 0.04
D
1
60.0 MIN.
2.362 MIN.
D
2
13.0 ± 0.20
0.512 ± 0.008
1005
(SOD-323F)
(mm)
(inch)
SYMBOL
E
1.75 ± 0.10
0.069 ± 0.004
F
3.50 ± 0.05
0.138 ± 0.002
P
4.00 ± 0.10
0.157 ± 0.004
P
0
4.00 ± 0.10
0.157 ± 0.004
P
1
2.00 ± 0.05
0.079 ± 0.002
T
0.23 ± 0.05
0.009 ± 0.002
W
8.00 ± 0.20
0.315 ± 0.008
W
1
13.5 MAX.
0.531 MAX.
1005
(SOD-323F)
(mm)
(inch)
Company reserves the right to improve product design , functions and reliability without notice.
QW-A2001
REV:C
Page 5
Comchip Technology CO., LTD.
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