SMD Zener Diode
CZRW5223B-HF Thru CZRW5256B-HF
Voltage: 2.7 to 30 Volts
Power: 350 mWatts
RoHS Device
Halogen Free
Features
- For surface mounted applications.
- General purpose,medium current
- Ideally suited for automated assembly
processes.
0.026(0.65)
0.018(0.45)
0.067(1.70)
0.059(1.50)
SOD-123
0.152(3.85)
0.140(3.55)
Mechanical data
- Case: SOD-123, Molded plastic.
- Terminals: Solder Plated,solderable per
MIL-STD-750,method 2026.
- Polarity: Cathode band.
- Weight: 0.01 grams(approx.).
0.110(2.80)
0.102(2.60)
0.049(1.25)
0.041(1.05)
0.006 (0.15)
0.003 (0.08)
0.004(0.10) Max.
0.020 (0.50) REF
Circuit Diagram
1
2
Dimensions in inches and (millimeter)
Maximum Ratings
(@Ta=25°C unless otherwise specified)
Parameter
Forward Voltage (Note 2)
Power Dissipation (Note 1)
Thermal Resistance,Junction to Ambient Air
Operating and Storage Temperature Range
@ I
F
=10mA
Symbol
V
F
P
D
R
θJA
T
J,
T
STG
2
Value
0.9
350
357
-65 to +150
Unit
V
mW
°C/W
°C
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
Company reserves the right to improve product design , functions and reliability without notice.
QW-JZ001
REV:E
Page 1
SMD Zener Diode
Electrical Characteristics(Ta = 25°C)
Zener Voltage
Part Number
V
Z
(V)@I
ZT
Min
Nom
Max
Operating
resistance
Z
ZT
(Ohm)
Max
I
ZT
(mA)
Rising
operating
resistance
Z
ZK
(Ohm)
Max
I
ZK
(mA)
Reverse
current
I
R
(uA)
Max
V
R
(V)
Marking
Code
CZRW5223B-HF
CZRW5225B-HF
CZRW5226B-HF
CZRW5227B-HF
CZRW5228B-HF
CZRW5229B-HF
CZRW5230B-HF
CZRW5231B-HF
CZRW5232B-HF
CZRW5233B-HF
CZRW5234B-HF
CZRW5235B-HF
CZRW5236B-HF
CZRW5237B-HF
CZRW5238B-HF
CZRW5239B-HF
CZRW5240B-HF
CZRW5241B-HF
CZRW5242B-HF
CZRW5243B-HF
CZRW5244B-HF
CZRW5245B-HF
CZRW5246B-HF
CZRW5248B-HF
CZRW5250B-HF
CZRW5251B-HF
CZRW5252B-HF
CZRW5253B-HF
CZRW5254B-HF
CZRW5255B-HF
CZRW5256B-HF
2.57
2.85
3.14
3.42
3.71
4.09
4.47
4.85
5.32
5.70
5.89
6.46
7.13
7.79
8.27
8.65
9.50
10.45
11.40
12.35
13.30
14.25
15.20
17.10
19.00
20.90
22.80
23.75
25.65
26.60
28.50
2.7
3.0
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.0
6.2
6.8
7.5
8.2
8.7
9.1
10
11
12
13
14
15
16
18
20
22
24
25
27
28
30
2.84
3.15
3.47
3.78
4.10
4.52
4.94
5.36
5.88
6.30
6.51
7.14
7.88
8.61
9.14
9.56
10.50
11.55
12.60
13.65
14.70
15.75
16.80
18.90
21.00
23.10
25.20
26.25
28.35
29.40
31.50
30
30
28
24
23
22
19
17
11
7
7
5
6
8
8
10
17
22
30
13
15
16
17
21
25
29
33
35
41
44
49
20
20
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
5.0
4.5
4.2
1300
1600
1600
1700
1900
2000
1900
1600
1600
1600
1000
750
500
500
600
600
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
0.25
0.25
0.25
75
50
25
15
10
5
5
5
5
5
5
3
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
0.1
1.0
1.0
1.0
1.0
1.0
1.0
2.0
2.0
3.0
3.5
4.0
5.0
6.0
6.5
6.5
7.0
8.0
8.4
9.1
9.9
10
11
12
14
15
17
18
19
21
21
23
.C3
.C5
.G1
.G2
.G3
.G4
.G5
.E1
.E2
.E3
.E4
.E5
.F1
.F2
.F3
.F4
.F5
.H1
.H2
.H3
.H4
.H5
.J1
.J3
.J5
.K1
.K2
.K3
.K4
.K5
.M1
Company reserves the right to improve product design , functions and reliability without notice.
QW-JZ001
REV:E
Page 2
SMD Zener Diode
RATING AND CHARACTERISTIC CURVES (CZRW5223B-HF Thru CZRW5256B-HF)
Fig.1 - Power Derating Curve
400
100
Pulsed
Fig.2 - Forward Characteristics
Power Dissipation, (mW)
300
Forward Current, (mA)
75
10
200
1
100
0
0
25
50
100
125
150
0.1
300
400
500
600
700
800
900
1000
Ambient Temperature, (°C)
Forward Voltage, (mV)
Fig.3 - Reverse Characteristics
100
Pulsed
Fig.4 - Capacitance Characteristics
75
80
Capacitance Between Terminals, (pF)
Ta=25°C
f=1MH
Z
60
Zener Current, (mA)
60
45
40
30
20
15
0
5
6
7
8
9
10
11
12
0
0
0.9
1.8
2.7
3.6
4.5
5.4
6.3
7.2
8.1
Zener Voltage, ( V )
Reverse Voltage, (V)
Company reserves the right to improve product design , functions and reliability without notice.
QW-JZ001
REV:E
Page 3
SMD Zener Diode
Reel Taping Specification
P
0
P
1
Index hole
d
E
T
F
B
P
A
W
C
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
1.85 ± 0.10
0.073 ± 0.004
B
3.94 ± 0.10
0.155 ± 0.004
C
1.57 ± 0.10
0.062 ± 0.004
d
1.55 + 0.10
0.061 + 0.004
D
178 ± 1.00
7.008 ± 0.039
D
1
54.40 ± 0.40
2.142 ± 0.016
D
2
13.0 ± 0.20
0.512 ± 0.008
SOD-123
(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
0.158 ± 0.004
P
0
4.00 ± 0.10
0.158 ± 0.004
P
1
2.00 ± 0.10
0.079 ± 0.004
W
8.00+0.30/-0.10
0.315+0.012/-0.004
W
1
9.50 ± 1.00
0.374 ± 0.039
SOD-123
(mm)
(inch)
Company reserves the right to improve product design , functions and reliability without notice.
QW-JZ001
REV:E
Page 4
Comchip Technology CO., LTD.
SMD Zener Diode
Marking Code
Part Number
CZRW5223B ~ 5256B-HF
Marking Code
.XX
.XX
Product type marking code (see page.2)
Suggested PAD Layout
SOD-123
SIZE
(mm)
A
B
C
D
E
3.35
0.80
1.00
4.15
2.55
(inch)
0.132
0.031
0.039
0.163
0.100
D
A
E
C
B
Standard Packaging
Case Type
SOD-123
Qty Per Reel
(Pcs)
3,000
Reel Size
(inch)
7
Company reserves the right to improve product design , functions and reliability without notice.
QW-JZ001
REV:E
Page 5
Comchip Technology CO., LTD.
