ZMM5221B - ZMM5267B
500mW SURFACE MOUNT ZENER DIODE
Features
·
·
·
500mW Power Dissipation
Outline Similar to JEDEC DO-213AA
Hemetic Glass Package
C
B
A
Mechanical Data
·
·
·
·
·
Case: MiniMELF
Terminals: Solderable per MIL-STD-202,
Method 208
Polarity: Cathode Band
Marking: Cathode Band Only
Weight: 0.034 grams (approx.)
MiniMELF
Dim
A
B
C
Min
3.30
1.30
0.28
Max
3.70
1.60
0.50
All Dimensions in mm
Maximum Ratings and Electrical Characteristics
Characteristic
Power Dissipation
Thermal Resistance, Junction to Ambient Air
Forward Voltage
(Note 1)
(Note 1)
P
d
R
qJA
V
F
@ T
A
= 25°C unless otherwise specified
Value
500
300
1.5
-65 to +175
Unit
mW
°C /W
V
o
C
Symbol
@ I
F
= 200mA
Operating and Storage Temperature Range
T
j,
T
STG
Notes:
1. Valid provided that electrodes are kept at ambient temperature.
2. Tested with pulses, T
p
£
100ms.
1 of 3
ZMM5221B-ZMM5267B
Electrical Characteristics
Type
Number
Nom (V)
ZMM5221B
ZMM5222B
ZMM5223B
ZMM5224B
ZMM5225B
ZMM5226B
ZMM5227B
ZMM5228B
ZMM5229B
ZMM5230B
ZMM5231B
ZMM5232B
ZMM5233B
ZMM5234B
ZMM5235B
ZMM5236B
ZMM5237B
ZMM5238B
ZMM5239B
ZMM5240B
ZMM5241B
ZMM5242B
ZMM5243B
ZMM5244B
ZMM5245B
ZMM5246B
ZMM5247B
ZMM5248B
ZMM5249B
ZMM5250B
ZMM5251B
ZMM5252B
ZMM5253B
ZMM5254B
ZMM5255B
ZMM5256B
ZMM5257B
ZMM5258B
ZMM5259B
ZMM5260B
ZMM5261B
ZMM5262B
ZMM5263B
ZMM5264B
ZMM5265B
ZMM5266B
ZMM5267B
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
Maximum Zener
Impedance
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
Z
ZT
@ I
ZT
W
30
30
30
30
29
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
%/ °C
-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.
2 of 3
ZMM5221B-ZMM5267B
500
200
V
R
= 2.0V
T
j
= 25
°
C
P
d
, POWER DISSIPATION (mW)
400
C
j
, JUNCTION CAPACITANCE (pF)
0
40
80
120
160
200
150
300
100
200
100
50
0
0
0
5
10
15
20
25
V
Z
, ZENER VOLTAGE (V)
Fig. 2 Junction Capacitance vs Zener Voltage
T
A
, AMBIENT TEMPERATURE
Fig.1 Power Dissipation vs Ambient Temperature
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 (
o
C/W)
100
R
θ
JA
(t) = r(t)
P
(pk)
t
1
D = 0.5
0.2
0.1
0.05
0.02
0.01
t
2
T
J
- T
A
= P
PK
R
θJA
= 300 K/W
*
R
θ
JA
10
Duty Cycle, D = t
1
/t
2
*
R
θ
JA
(t)
1.0
0.1
1.0
10
100
1000
t
1
, SQUARE WAVE PULSE DURATION (seconds)
Fig. 4 Typical Normalized Transient Thermal Impedance Curves
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ZMM5221B-ZMM5267B
PCB设计
