SMD Zener Diode
Voltage: 2.7 to 30 Volts
Power: 350 mWatts
RoHS Device
Features
- For surface mounted applications.
- Ultra-Small surface medium package.
- General purpose, medium current.
- Ideally suited for automated assembly
processes.
Comchip
SMD Diode Specialist
CZRW5223B-G Thru. CZRW5256B-G
SOD-123
0.152(3.85)
0.140(3.55)
0.026(0.65)
0.018(0.45)
0.067(1.70)
0.059(1.50)
Mechanical data
- Case: SOD-123, Molded plastic.
- Terminals: Solder Plated,solderable per
MIL-STD-750,method 2026.
- Polarity: Cathode band.
0.049(1.25)
0.041(1.05)
0.110(2.80)
0.102(2.60)
0.006 (0.15)
0.003 (0.08)
0.004(0.10) Max.
- Weight: 0.01 gram(approx.).
0.020 (0.50) REF
Dimensions in inches and (millimeter)
Maximum Rating (@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.
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SMD Zener Diode
Comchip
SMD Diode Specialist
RATING AND CHARACTERISTIC CURVES (CZRW5223B-G Thru CZRW5256B-G)
Fig.1- Power Derating Curve
400
Power Dissipation , (mW)
300
200
100
0
0
25
50
75
100
125
150
175
Ambient Temperature , (°C)
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SMD Zener Diode
Reel Taping Specification
P
0
P
1
d
Index hole
E
Comchip
SMD Diode Specialist
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)
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Comchip Technology CO., LTD.
SMD Zener Diode
Marking Code
Part Number
CZRW5223B-G ~ CZRW5256B-G
Comchip
SMD Diode Specialist
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
B
D
A
E
C
0.100
Standard Packaging
Case Type
SOD-123
Qty Per Reel
(Pcs)
3,000
Reel Size
(inch)
7
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Comchip Technology CO., LTD.
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