SMD Zener Diode
SMD Diodes Specialist
CZRW5221B-HF Thru CZRW5267B-HF
Voltage: 2.4 to 75 Volts
Power: 500 mWatts
RoHS Device
Features
Halogen free.
For surface mounted applications.
500mW Power Dissipation.
Ideally suited for automated assembly
processes.
Pb free product.
0.026(0.65)
0.018(0.45)
0.067(1.70)
0.059(1.50)
0.152(3.85)
0.140(3.55)
SOD-123
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) Max.
0.004(0.10) Max.
Weight: 0.01 gram(approx.).
0.02 (0.50) MIN.
Dimensions in inches and (millimeter)
Maximum Rating AND Electrical Characteristics
Parameter
Maximum Power Dissipation,T
A
= 25°C
Operating Junction and Storage Temperature Range
Symbol
P
D
T
J
Value
500
-55 to +150
Unit
mW
O
C
REV:B
QW-HZ001
Page 1
SMD Zener Diode
SMD Diodes Specialist
RATING AND CHARACTERISTIC CURVES (CZRW5221B-HF Thru CZRW5267B-HF)
Fig.1 Typical forward voltage
1000
1000
100
Forward current(mA)
Leakage current(uA)
Fig.2 Typical leakage current
10
1
0.1
0.01
0.001
0.0001
+25 C
O
100
+150 C
O
0
C
O
5
+7
5
-5 5
+2
O
10
+1
5
C
O
C
O
C
-55 C
O
1
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
0.00001
0
10
20
30
40
50
60
70
80
90
Forward Voltage(V)
Normal zener voltage(V)
Fig.3 Temperature coefficents
100
Temperature coefficient,(mV/°C)
0.6
0.5
Power dissipation(W)
Fig.4 Steady state power derating
O
T
A
= 25 C
0.4
0.3
0.2
0.1
10
1
1
30
Nominal zener voltage(V)
100
0
0
25
50
75
100
O
125
150
175
Temperature(C)
REV:B
QW-HZ001
Page 3
SMD Zener Diode
SMD Diodes Specialist
Reel Taping Specification
P
0
P
1
Index hole
d
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
1.90 ± 0.10
0.074
±
0.004
B
4.00 ± 0.10
0.157
±
0.004
C
1.50 ± 0.10
0.059
±
0.004
d
1.55 ± 0.10
0.061
±
0.004
D
178 ± 1
7.008
±
0.04
D
1
50.0 MIN.
1.968 MIN.
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
0.157
±
0.004
P
0
4.00 ± 0.10
0.157
±
0.004
P
1
2.00 ± 0.05
0.079
±
0.002
W
8.00 ± 0.30
0.315
±
0.012
W
1
14.4 MAX.
0.567 MAX.
SOD-123
(mm)
(inch)
REV:B
QW-HZ001
Page 4
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