SMD Zener Diode
CZRF2V4B Thru CZRF39VB
Voltage 2.4 to 39 Volts
Power 200 mWatts
RoHS Device
Features
-200mW Power Dissipation.
-High Voltages from 2.4 ~ 39 V.
-Designed for mounting on small surface.
-Extremely thin/leadless package.
-Constant voltage control.
-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.
-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.
0.012 (0.30) Typ.
Dimensions in inches and (millimeter)
Maximum Rating AND Electrical Characteristics
Parameter
Maximum Forward Voltage Drop at I
F
= 10 mA
Maximum Power Dissipation at 25 C
O
Symbol
V
F
P
D
Value
0.9
200
Unit
V
mW
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
I
FSM
2.0
A
V
PV
T
J
8
-55 to +125
kV
O
C
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QW-A2003
Page 1
Comchip Technology CO., LTD.
SMD Zener Diode
Electrical Characteristics(Ta = 25C)
Zener Voltage
Part Number
Marking
Code
V
Z
(V)
Min
CZRF2V4B
CZRF2V7B
CZRF3V0B
CZRF3V3B
CZRF3V6B
CZRF3V9B
CZRF4V3B
CZRF4V7B
CZRF5V1B
CZRF5V6B
CZRF6V2B
CZRF6V8B
CZRF7V5B
CZRF8V2B
CZRF9V1B
CZRF10VB
CZRF11VB
CZRF12VB
CZRF13VB
CZRF15VB
CZRF16VB
CZRF18VB
CZRF20VB
CZRF22VB
CZRF24VB
CZRF27VB
CZRF30VB
CZRF33VB
CZRF36VB
CZRF39VB
U2
U3
U4
U5
U6
U7
U8
U9
UA
UB
UC
UE
UF
UG
UH
UJ
UK
UM
UN
UP
UQ
UR
US
UT
UU
UV
UW
UX
UY
UZ
2.34
2.63
2.93
3.22
3.51
3.80
4.19
4.58
4.97
5.46
6.05
6.63
7.31
8.00
8.87
9.75
10.73
11.70
12.68
14.63
15.60
17.55
19.50
21.45
23.40
26.33
29.25
32.18
35.10
38.03
O
Operating
resistance
ZZT(Ohm)
Rising
operating
Resistance
ZZK(Ohm)
Max
1800
1900
2000
2200
2300
2400
2500
2200
2050
1800
1300
750
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
700
700
800
Reverse
current
IR(uA)
Max
100
75
50
25
15
10
5
3
2
2
1
1
0.5
0.5
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
Max
2.46
2.77
3.08
3.38
3.69
4.00
4.41
4.82
5.23
5.74
6.36
6.97
7.69
8.41
9.33
10.25
11.27
12.30
13.32
15.37
16.40
18.45
20.50
22.55
24.60
27.67
30.75
33.82
36.90
39.97
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
Max
100
100
95
95
90
90
88
70
50
25
10
8
7
7
10
15
18
22
25
32
36
42
48
55
62
70
78
88
95
130
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
I
Z
(mA)
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
V
R
(V)
1
1
1
1
1
1
1
1.5
2
3
4
5.2
6
6.5
7
8
8.4
9.1
9.9
11
12
14
15
17
18
21
23
25
27
30
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QW-A2003
Page 2
Comchip Technology CO., LTD.
SMD Zener Diode
RATING AND CHARACTERISTIC CURVES (CZRF2V4B Thru CZRF39VB)
100m
5. 1
5.6
6.2
6. 8
7.5
8.2
9. 1
10
12
13
11
15
16
18
20
22
27
24
30
33
10m
3.9
1m
ZENER CU RRENT:I
Z
(A)
100μ
10μ
1μ
100n
10n
0
5
10
15
20
25
30
35
40
4.3
4. 7
3 .6
ZENER VOLTAGE:V
Z
(V )
Fig.1 Zener voltage characteristics
O
TE MP CO EF FICI ENT CHA RA CT ERI STICS (%/ C)
300
0.10
I
Z
=5mA
0.08
0.06
0.04
0.02
0.00
2
-0.02
ZENER VOLTAGE:V
Z
(V)
-0.04
-0.06
-0.06
-0.08
10
20
30
I
Z
=500μA
POWER DISSIPATION:Pd(mW)
200
100
0
0
25
50
75
100
O
125
C)
150
AMBIENT TEMPERATURE:Ta(
Fig.2 Derating curve
Fig.3 Zener voltage-temp.
Coefficient characteristics
36
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QW-A2003
Page 3
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
±
0.004
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)
REV:C
QW-A2003
Page 4
Comchip Technology CO., LTD.
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