Surface Mount Zener Diodes
CZRW5221B-G thru CZRW5259B-G
Maximum Ratings and Electrial Characterics
(T =25 unless otherwise noted) V =1.2V, I =100mA for all types
A
F
F
Max Reverse
Nominal Zener Voltage
VZ @ IZT
Max. Zener Impedance
Zener
Current
IZM@ TA
Leakage Current
Part Number
ZZT @ IZT
mA
ZZK @ IZK
Ohm
IR @ VR
Nom. V Min. V Max. V Ohm
mA
nA
V
mA
500 mWatts Zener Diodes
CZRW5221B-G
CZRW5222B-G
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
CZRW5238B-G
CZRW5239B-G
CZRW5240B-G
CZRW5241B-G
CZRW5242B-G
CZRW5243B-G
CZRW5245B-G
CZRW5246B-G
CZRW5248B-G
CZRW5250B-G
CZRW5251B-G
CZRW5252B-G
CZRW5254B-G
CZRW5255B-G
CZRW5256B-G
CZRW5257B-G
CZRW5258B-G
CZRW5259B-G
2.4
2.5
2.7
3
2.28
2.38
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
8.27
8.65
9.5
10.45
11.4
12.35
14.25
15.2
17.1
19
2.52
2.63
2.84
3.15
3.47
3.78
4.1
30
30
30
30
28
24
23
22
19
17
11
7
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
2 0
9.5
8.5
7.8
7
1200
1250
1300
1600
1600
1700
1900
2000
1900
1600
1600
1000
750
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
0.25
0.25
100
100
75
50
25
15
10
5
1
1
188
180
167
150
138
126
115
106
97
1
1
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.2
6.8
7.5
8.2
8.7
9.1
10
1
1
1
4.52
4.94
5.36
5.88
6.51
7.14
7.88
8.61
9.14
9.56
10.5
11.55
12.6
13.65
15.75
16.8
18.9
21
1
5
2
5
2
89
5
3
81
5
4
73
5
3
5
67
6
8
8
500
3
6
61
500
500
3
6
58
55
3
6.5
6.5
8
10
17
22
30
13
16
17
21
25
29
33
41
44
49
58
70
80
600
3
50
600
3
45
11
600
3
8.4
9.1
9.9
11
12
14
15
17
18
21
21
23
25
27
30
41
12
600
2
3 8
35
13
600
1
15
600
0.5
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
30
16
600
28
18
600
25
20
6.2
5.6
5.2
5
4.5
4.2
3.8
3.4
3.2
600
23
22
20.9
22.8
25.65
26.6
28.5
31.35
34.2
37.05
23.1
25.2
28.35
29.4
31.5
34.65
37.8
40.95
600
21
24
600
19.1
16.8
16.2
15.1
13.8
12.6
11.6
27
600
28
600
30
600
33
700
36
700
39
800
NOTE:
1. Tolerance and T ype Number Designation. The type numbers listed have a standard tolerance on the nominal zener voltage of ±±5.
2. Specials Available Include:
A. Nominal zener voltages between the voltages shown and tighter voltage tolerances.
B. Matched sets.
3. Zener V oltage (V
4. Zener Impedance (Z
current (I ZT or IZK ) is superimposed on
±. Surge Current (I ) Non-Repetitive. The rating listed in the electrical characteristics table is maximum peak, non-repetitive, reverse surge current of 1/2 square wave or equivalent sine
Z
) Measurement. Guarantees the zener voltage when measured at 90 seconds while maintaining the lead temperature (T
) Derivation. The zener impedance is derived from the 60 cycle ac voltage, which results when an AC current having an rms value
ZT or IZK
L
) at 30 OC, from the diode body
.
Z
equal to 105 of the dc zener
I
.
R
wave pulse of 1/120 second duration superimposed on the test current,
I
ZT , per JEDEC registration; however, actual device capability is as described in Figure ±.
“-G” suffix designated RoHS compliant version
Page2
www.comchiptech.com
