BZM5221B - BZM5267B
500mW SURFACE MOUNT ZENER DIODE
POWER SEMICONDUCTOR
Features
•
•
•
•
500mW Power Dissipation
High Stability
Low Noise
Hemetic Package
D
B
Mechanical Data
•
•
•
•
•
Case: MicroMELF, Glass
Terminals: Solderable per MIL-STD-202,
Method 208
Polarity: Cathode Band
Marking: Cathode Band Only
Weight: 0.012 grams (approx.)
A
MicroMELF
Dim
A
B
C
Min
1.8
1.20
Max
2.0
1.25
1.35∅ Typical
All Dimensions in mm
Maximum Ratings and Electrical Characteristics
Characteristic
Power Dissipation
Zener Current
Thermal Resistance, Junction to Ambient Air
Forward Voltage
(Note 1)
(Note 1)
(Note 1)
P
d
I
Z
R
θJA
V
F
@ T
A
= 25°C unless otherwise specified
Value
500
P
d
/V
Z
300
1.5
-65 to +175
Unit
mW
mA
K/W
V
°C
Symbol
@ I
F
= 200mA
Operating and Storage Temperature Range
Notes:
T
j,
T
STG
1. Valid provided that electrodes are kept at ambient temperature.
2. Tested with pulses, T
p
≤
100ms.
DS30015 Rev. C-2
1 of 3
C
BZM5221B-BZM5267B
Electrical Characteristics
Type
Number
Nom (V)
BZM5221B
BZM5222B
BZM5223B
BZM5224B
BZM5225B
BZM5226B
BZM5227B
BZM5228B
BZM5229B
BZM5230B
BZM5231B
BZM5232B
BZM5233B
BZM5234B
BZM5235B
BZM5236B
BZM5237B
BZM5238B
BZM5239B
BZM5240B
BZM5241B
BZM5242B
BZM5243B
BZM5244B
BZM5245B
BZM5246B
BZM5247B
BZM5248B
BZM5249B
BZM5250B
BZM5251B
BZM5252B
BZM5253B
BZM5254B
BZM5255B
BZM5256B
BZM5257B
BZM5258B
BZM5259B
BZM5260B
BZM5261B
BZM5262B
BZM5263B
BZM5264B
BZM5265B
BZM5266B
BZM5267B
Notes:
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
@ T
A
= 25°C unless otherwise specified
Test
Current
I
ZT
Max (V)
2.52
2.63
2.84
294
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
17.85
18.90
19.95
21.00
23.10
25.20
26.25
28.35
29.40
31.50
34.65
37.80
40.95
45.15
49.35
53.55
58.80
63.00
65.10
71.40
78.75
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
9.0
8.5
7.8
7.4
7.0
6.6
6.2
5.6
5.2
5.0
4.6
4.5
4.2
3.8
3.4
3.2
3.0
2.7
2.5
2.2
2.1
2.0
1.8
1.7
Maximum Zener
Impedance
Z
ZT
@ I
ZT
W
30
30
30
30
30
28
24
23
22
19
17
11
7.0
7.0
5.0
6.0
8.0
8.0
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
Z
ZK
@ I
ZK
=
0.25mA
W
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
Maximum Reverse
Current
I
R
µA
100
100
75
75
50
25
15
10
5.0
5.0
5.0
5.0
5.0
5.0
3.0
3.0
3.0
3.0
3.0
3.0
2.0
1.0
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
@V
R
V
1.0
1.0
1.0
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
13
14
14
15
17
18
19
21
21
23
25
27
30
33
36
39
43
46
47
52
56
Typical
Temperature
Coefficient
@ I
ZT
%/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
+0.087
+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
Zener Voltage Range
(Note 2)
V
Z
@ I
ZT
Min (V)
2.28
2.38
2.57
2.66
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
16.15
17.10
18.05
19.00
20.90
22.80
23.75
25.65
26.60
28.50
31.35
34.20
37.05
40.85
44.65
48.45
53.20
57.00
58.90
64.60
71.25
2. Tested with pulses, T
p
≤
100ms.
DS30015 Rev. C-2
2 of 3
BZM5221B-BZM5267B
500
P
d
, TOTAL POWER DISSIPATION (mW)
200
V
R
= 2.0V
T
j
= 25
°
C
C
j
, DIODE CAPACITANCE (pF)
0
40
80
120
160
200
400
150
300
100
200
50
100
0
0
0
5
10
15
20
25
T
A
, AMBIENT TEMPERATURE
Fig.1 Power Dissipation vs Ambient Temperature
V
Z
, ZENER VOLTAGE (V)
Fig. 2 Diode Capacitance vs Zener Voltage
1000
DIFFERENTIAL ZENER RESISTANCE (
Ω
)
T
j
= 25
°
C
I
Z
= 1.0mA
100
5.0mA
10
10mA
1
0
5
10
15
20
25
V
Z
, ZENER VOLTAGE (V)
Fig. 3 Differential Zener Impedance
1000
r(t), NORMALIZED EFFECTIVE
TRANSIENT THERMAL RESISTANCE (K/W)
100
R
θ
JA
(t) = r(t)
*
R
θ
JA
R
θJA
= 300 K/W
P
(pk)
10
D = 0.5
0.2
0.1
0.05
0.02
0.01
t
1
t
2
T
J
- T
A
= P
PK
*
R
θ
JA
(t)
Duty Cycle, D = t
1
/t
2
1.0
0.1
1.0
10
100
1000
t
1
, SQUARE WAVE PULSE DURATION (seconds)
Fig. 4 Typical Normalized Transient Thermal Impedance Curves
DS30015 Rev. C-2
3 of 3
BZM5221B-BZM5267B
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