SMD Zener Diode
Voltage: 2.7 to 30 Volts
Power: 350 mWatts
RoHS Device
Page 1
REV:G
Mechanical data
- Case: SOD-123, Molded plastic.
- Terminals: Solder Plated,solderable per
MIL-STD-750,method 2026.
- Polarity: Cathode band.
- Weight: 0.01 gram(approx.).
CZRW5223B-G Thru. CZRW5256B-G
Parameter Symbol Value Unit
Maximum Rating (@Ta=25°C unless otherwise specified)
0.9
mW
VF
Forward Voltage (Note 2) @ IF=10mA
Power Dissipation (Note 1) 350
PD
QW-BZ018
357
Thermal Resistance, Junction to Ambient Air
Operating and Storage Temperature Range -65 to +150
TJ,TSTG °C
RθJA
V
°C/W
2
Notes: 1. Device mounted on ceramic PCB; 7.6mm x 9.4mm x 0.87mm with pad areas 25mm .
2. Tested with pulses, Tp≤1.0ms.
Features
- For surface mounted applications.
- Ideally suited for automated assembly
processes.
- Ultra-Small surface medium package.
- General purpose, medium current.
Circuit Diagram
21
0.152(3.85)
0.140(3.55)
0.049(1.25)
0.041(1.05)
Dimensions in inches and (millimeter)
SOD-123
0.020 (0.50) REF
0.004(0.10) Max.
0.110(2.80)
0.102(2.60)
0.067(1.70)
0.059(1.50)
0.026(0.65)
0.018(0.45)
0.006 (0.15)
0.003 (0.08)
Company reserves the right to improve product design , functions and reliability without notice.
SMD Zener Diode
Page 2
Electrical Characteristics(@Ta = 25°C unless otherwise specified)
QW-BZ018
Marking
Code
Part Number
Zener Voltage
Min
VZ(V)@IZT
Max IZT(mA)
ZZT(Ohm)
Max IZK(mA)
ZZK(Ohm)
Max VR(V)
IR(uA)
Operating
resistance
Rising
operating
resistance
Reverse
current
Nom Max
CZRW5223B-G
CZRW5225B-G
CZRW5226B-G
CZRW5227B-G
CZRW5228B-G
CZRW5229B-G
CZRW5230B-G
CZRW5231B-G
CZRW5232B-G
CZRW5234B-G
CZRW5235B-G
CZRW5236B-G
CZRW5237B-G
CZRW5239B-G
CZRW5240B-G
CZRW5241B-G
CZRW5242B-G
CZRW5243B-G
CZRW5244B-G
CZRW5245B-G
CZRW5246B-G
CZRW5248B-G
CZRW5250B-G
CZRW5251B-G
CZRW5252B-G
CZRW5254B-G
CZRW5255B-G
CZRW5256B-G
C3
C5
G1
G2
G3
G4
G5
E1
E2
E4
E5
F1
F2
F5
H1
H2
H3
H4
H5
J1
J3
J5
K1
K2
K4
K5
M1
F4
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
13.30
14.25
15.20
17.10
19.00
20.90
22.80
25.65
26.60
28.50
1300
1600
1600
1700
1900
2000
1900
1600
1600
1000
750
500
500
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
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
75
50
25
15
10
5
5
5
5
5
3
3
3
3
3
2
1
0.5
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
1.0
1.0
1.0
1.0
1.0
1.0
2.0
2.0
3.0
4.0
5.0
6.0
6.5
8.0
8.4
9.1
9.9
10
11
12
14
15
17
18
21
21
23
7.0
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
9.5
9.0
8.5
7.8
7.0
6.2
5.6
5.2
5.0
4.5
4.2
30
30
28
24
23
22
19
17
11
7
5
6
8
17
22
30
13
15
16
17
21
25
29
33
41
44
49
10
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
14.70
15.75
16.80
18.90
21.00
23.10
25.20
28.35
29.40
31.50
2.7
3.0
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.2
6.8
7.5
8.2
9.1
10
11
12
13
14
15
16
18
20
22
24
27
28
30
REV:G
CZRW5233B-G E35.70 1600 0.25 53.5
20
7
6.30
6.0
CZRW5238B-G F3
8.27 600 0.25 36.52089.148.7
CZRW5253B-G K323.75 600 0.25 0.1 195.0
35
26.2525
Company reserves the right to improve product design , functions and reliability without notice.
SMD Zener Diode
Page 3
QW-BZ018
RATING AND CHARACTERISTIC CURVES (CZRW5223B-G Thru CZRW5256B-G)
REV:G
Fig.1 - Power Derating Curve
Ambient Temperature, (°C)
Power Dissipation, (mW)
0 25 50 75 100 125 150
0
100
200
300
400
Fig.4 - Capacitance Characteristics
0 0.9 1.8 3.6 5.4 6.3 8.12.7 4.5 7.2
Reverse Voltage, (V)
Capacitance Between Terminals, (pF)
0
15
30
45
60
75
Fig.2 - Forward Characteristics
Forward Voltage, (mV)
700 800 1000400 600 900
500
300
0.1
1
10
100
Forward Current, (mA)
Zener Voltage, ( V )
9 10 126 811
7
5
0
60
100
80
40
20
Fig.3 - Reverse Characteristics
Zener Current, (mA)
Ta=25°C
f=1MHZ
Company reserves the right to improve product design , functions and reliability without notice.
Pulsed
Pulsed
Page 4
Reel Taping Specification
Comchip Technology CO., LTD.
SMD Zener Diode
QW-BZ018
Trailer Device Leader
10 pitches (min)10 pitches (min)
.......
.......
....... ..............
....... .............. Start
Direction of Feed
End
REV:G
B C dD D2D1
SOD-123
SYMBOL
A
(mm)
(inch) 2.142 0.016±
4.00 0.10±
1.55 + 0.10 54.40 0.40± 13.0 0.20±
4.00 0.10± 2.00 0.10±
178 1.00±
7.008 0.039± 0.512 0.008±
SYMBOL
(mm)
(inch) 0.158 0.004± 0.158 0.004± 0.079 0.004±
E F P P0P1W W1
1.75 ± 0.10
0.069 ± 0.004
3.50 0.05±
0.138 0.002±
SOD-123
1.85 0.10±
0.073 0.004±
3.94 0.10±
0.155 0.004±
1.57 0.10±
0.062 0.004±
9.50 ± 1.00
0.374 0.039±
0.061 + 0.004
0.315+0.012/-0.004
8.00+0.30/-0.10
D1
D2
D
W1
T
C
o
120
Index hole
d
E
F
B W
P
P0
P1
A
Company reserves the right to improve product design , functions and reliability without notice.
Page 5
Part Number
CZRW5223B-G ~ CZRW5256B-G
Marking Code
XX
Marking Code
Suggested PAD Layout
SIZE (inch)
0.132
(mm)
3.35
0.80
1.00
0.031
0.039
SOD-123
4.15 0.163
E2.55 0.100
A
B
C
D
A
C
B
E
D
Comchip Technology CO., LTD.
XX
SMD Zener Diode
QW-BZ018
REV:G
Product type marking code (see page.2)
Standard Packaging
Case Type
SOD-123 3,000
REEL
( pcs )
Reel Size
(inch)
7
REEL PACK
Company reserves the right to improve product design , functions and reliability without notice.
