Axial Leaded Glass Zener Diode
Comchip
SMD Diode Specialist
1N5221B-G Thru. 1N5267B-G
Voltage: 2.4 to 75 Volts
Power: 0.5 Watts
RoHS Device
Features
-500mW power dissipation
-Stabilizing voltage.
1.02(26.00) Min.
DO-35
Mechanical data
-Case: Glass, DO-35
-Polarity: Indicated by cathode band
0.079(2.00)Max.
0.165(4.20)Max.
1.02(26.00) Min.
0.022(0.55)Max.
Dimensions in inches and (millimeter)
Maximum Ratings
(T
A
=25°C, unless otherwise noted)
Parameter
Power dissipation
Zener current
Junction temperature
Storage temperature range
Conditions
T
L
=25°C
Symbol
P
tot
I
Z
T
J
T
STG
Value
500
P
tot
/V
Z
175
-65 to +175
Unit
mW
mA
°C
°C
Electrical Characteristics
(T
A
=25°C, unless otherwise noted)
Parameter
Thermal resistance (Note 1)
Forward voltage
Conditions
junction to ambient air
L=4mm, T
L
=25°C
I
F
=200mA
Symbol
R
θJA
V
F
Max
300
1.1
Unit
°C/W
V
Note:
Based on dc-measurement at thermal equilibrium; lead length = 9.5 (3/8”); thermal resistance of heat sink =30°C/W
Company reserves the right to improve product design , functions and reliability without notice.
QW-BZ001
REV: C
Page 1
Comchip Technology CO., LTD.
Axial Leaded Glass Zener Diode
Electrical Characteristics (1N5221B-G Thru. 1N5267B-G)
Nominal
(1)
Zener Voltage
Part No.
Vz @ I
ZT
V
1N5221B-G
1N5222B-G
1N5223B-G
1N5224B-G
1N5225B-G
1N5226B-G
1N5227B-G
1N5228B-G
1N5229B-G
1N5230B-G
1N5231B-G
1N5232B-G
1N5233B-G
1N5234B-G
1N5235B-G
1N5236B-G
1N5237B-G
1N5238B-G
1N5239B-G
1N5240B-G
1N5241B-G
1N5242B-G
1N5243B-G
1N5244B-G
1N5245B-G
1N5246B-G
1N5247B-G
1N5248B-G
1N5249B-G
1N5250B-G
1N5251B-G
1N5252B-G
1N5253B-G
1N5254B-G
1N5255B-G
1N5256B-G
1N5257B-G
1N5258B-G
1N5259B-G
1N5260B-G
1N5261B-G
1N5262B-G
1N5263B-G
1N5264B-G
1N5265B-G
1N5266B-G
1N5267B-G
2.4
2.5
2.7
2.8
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
17
18
19
20
22
24
25
27
28
30
33
36
39
43
47
51
56
60
62
68
75
Ω
30
30
30
30
29
28
24
23
22
19
17
11
7
7
5
6
8
8
10
17
22
30
13
15
16
17
19
21
23
25
29
33
35
41
44
49
58
70
80
93
105
125
150
170
185
230
270
Zz
T
@ Iz
T
mA
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
9.5
9
8.5
7.8
7.4
7
6.6
6.2
5.6
5.2
5
4.6
4.5
4.2
3.8
3.4
3.2
3
2.7
2.5
2.2
2.1
2
1.8
1.7
Ω
1200
1250
1300
1400
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
600
600
700
700
800
900
1000
1100
1300
1400
1400
1600
1700
Zz
k
@ Iz
k
mA
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
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
μA
100
100
75
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
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
I
R
@ V
R
V
1
1
1
1
1
1
1
1
1
2
2
3
3.5
4
5
6
6.5
6.5
7
8
8.4
9.1
9.9
10
11
12
13
14
14
15
17
18
19
21
21
23
25
27
30
33
36
39
43
46
47
52
56
Maximum dynamic
Impedance resistance
Comchip
SMD Diode Specialist
Maxumum Reverse
Leakage Current
Temperature
of Coefficient
Marking Code
@ Iz
T
α(%/K)
-0.085
-0.085
-0.080
-0.080
-0.075
-0.070
-0.065
-0.060
+0.055
+0.030
+0.030
+0.038
+0.038
+0.045
+0.050
+0.058
+0.062
+0.065
+0.068
+0.075
+0.076
+0.077
+0.079
+0.082
+0.082
+0.083
+0.084
+0.085
+0.086
+0.086
+0.087
+0.088
+0.089
+0.090
+0.091
+0.091
+0.092
+0.093
+0.094
+0.095
+0.095
+0.096
+0.096
+0.097
+0.097
+0.097
+0.098
1N5221B
1N5222B
1N5223B
1N5224B
1N5225B
1N5226B
1N5227B
1N5228B
1N5229B
1N5230B
1N5231B
1N5232B
1N5233B
1N5234B
1N5235B
1N5236B
1N5237B
1N5238B
1N5239B
1N5240B
1N5241B
1N5242B
1N5243B
1N5244B
1N5245B
1N5246B
1N5247B
1N5248B
1N5249B
1N5250B
1N5251B
1N5252B
1N5253B
1N5254B
1N5255B
1N5256B
1N5257B
1N5258B
1N5259B
1N5260B
1N5261B
1N5262B
1N5263B
1N5264B
1N5265B
1N5266B
1N5267B
Note:(1) Based on DC measurement at thermal equilibrium; lead length=9.5(3/8"); thermal resistance of heat sink=30°C/W
Company reserves the right to improve product design , functions and reliability without notice.
QW-BZ001
REV: C
Page 2
Comchip Technology CO., LTD.
Axial Leaded Glass Zener Diode
Comchip
SMD Diode Specialist
RATING AND CHARACTERISTIC CURVES (1N5221B-G Thru. 1N5267B-G)
Fig.1 - Power Derating Curve
600
Fig.2 - Thermal Resistance vs. Lead Length
600
Thermal Resistance, R
thA
(K/W)
Power Dissipation, P
tot
(mW)
500
400
300
200
100
0
0
25
50
75
100 125 150 175 200
500
400
300
200
100
0
0
L
L
TL=constant
5
10
15
20
Ambient Temperature, T
A
(°C)
Lead Length, L (mm)
Fig.3 - Forward Current vs. Forward Voltage
100
1000
Fig.4 - Differential Z-Resistance
vs. Z-Voltage
I
Z
=1mA
Forward Current, I
F
(mA)
Z-Resistance, R
Z
(Ω)
10
T
J
=25°C
100
1
5mA
0.1
10
10mA
T
J
=25°C
0.01
0.001
0
0.2
0.4
0.6
0.8
1.0
1
0
5
10
15
20
25
Forward Voltage, V
Z
(V)
Z-Voltage, V
Z
(V)
Fig.5 -
Z-Current vs. Z-Voltage
100
Ptot=500mW
T
amb
=25°C
Fig.6 -
Z-Current vs. Z-Voltage
50
Ptot=500mW
T
amb
=25°C
80
40
Z-Current,
I
Z
(mA)
Z-Current,
I
Z
(mA)
60
30
40
20
20
10
0
0
4
8
12
16
20
0
15
20
25
30
35
Z-Voltage
,
V
Z
(V)
Z-Voltage
,
V
Z
(V)
Company reserves the right to improve product design , functions and reliability without notice.
QW-BZ001
REV: C
Page 3
Comchip Technology CO., LTD.
Axial Leaded Glass Zener Diode
Taping Specification For Axial Lead Diodes
E
A
Z
90℃±5℃
Comchip
SMD Diode Specialist
L1
B
L2
T
E
SYMBOL
DO-35
(mm)
(inch)
A
5.00 ± 0.5
B
52.0
±
1.5
Z
1.2 (max)
T
6.0
±
0.4
E
0.8 (max)
L1-L2
1.0 (max)
0.039 (max)
0.197± 0.020 2.047
±
0.059 0.047 (max) 0.236
±
0.016 0.032(max)
Marking Code
Part Number
1N5221-G ~ 1N5267-G
Marking Code
1N52XXB
Cathode band
1N
52
XXB
XX : Product type marking code (see page.4)
Standard Packaging
AMMO PACK
Case Type
BOX
( pcs )
CARTON
( pcs )
DO-35
5,000
100,000
Company reserves the right to improve product design , functions and reliability without notice.
QW-BZ001
REV: C
Page 4
Comchip Technology CO., LTD.
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