SMD Zener Diode
CZRF52C2-HF Thru. CZRF52C39-HF
Voltage 2 to 39 Volts
Power 350 mWatts
RoHS Device
Halogen Free
Features
- 350mW Power Dissipation.
- High Voltages from 2 ~ 39 V.
- Designed for mounting on small surface.
- Extremely thin/leadless package.
- Pb free product.
0.035(0.90)
0.027(0.70)
0.051(1.30)
0.043(1.10)
1005/SOD-323F
0.102(2.60)
0.095(2.40)
Mechanical data
- Case: 1005/SOD-323F Standard package
Molded plastic.
0.020(0.50) Typ.
0.012 (0.30) Typ.
- Terminals: Gold plated, solderable per
MIL-STD-750,method 2026.
- Polarity: Indicated by cathode band.
0.040(1.00) Typ.
Dimensions in inches and (millimeter)
- Weight: 0.006 gram(approx.).
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-G2004
REV:B
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-HF
CZRF52C2V2-HF
CZRF52C2V4-HF
CZRF52C2V7-HF
CZRF52C3-HF
CZRF52C3V3-HF
CZRF52C3V6-HF
CZRF52C3V9-HF
CZRF52C4V3-HF
CZRF52C4V7-HF
CZRF52C5V1-HF
CZRF52C5V6-HF
CZRF52C6V2-HF
CZRF52C6V8-HF
CZRF52C7V5-HF
CZRF52C8V2-HF
CZRF52C9V1-HF
CZRF52C10-HF
CZRF52C11-HF
CZRF52C12-HF
CZRF52C13-HF
CZRF52C15-HF
CZRF52C16-HF
CZRF52C18-HF
CZRF52C20-HF
CZRF52C22-HF
CZRF52C24-HF
CZRF52C27-HF
CZRF52C30-HF
CZRF52C33-HF
CZRF52C36-HF
CZRF52C39-HF
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
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
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:B
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
Company reserves the right to improve product design , functions and reliability without notice.
QW-G2004
Page 2
Comchip Technology CO., LTD.
SMD Zener Diode
RATING AND CHARACTERISTIC CURVES (CZRF52C2-HF Thru. CZRF52C39-HF)
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-G2004
REV:B
Page 3
Comchip Technology CO., LTD.
SMD Zener Diode
RATING AND CHARACTERISTIC CURVES (CZRF52C2-HF Thru. CZRF52C39-HF)
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-G2004
REV:B
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-G2004
REV:B
Page 5
Comchip Technology CO., LTD.
嵌入式系统
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