WILLAS ZMM5249B

WILLAS
ZMM5221B thru ZMM5267B
500mW Mini MELF Zener Diodes
MINI-MELF/LL-34
Unit : inch (mm)
Features
SCS501V
Plannar Die constuction
500mW Power Dissipation
VOLTAGE 40V
0.1AMP Schottky Barrier Rectifiers
VZ–tolerance ± 5%
Weight 0.03g
.063(1.6)
Ideally Suited for Automated Assembly Processes
.020(0.5)
.012(0.3)
.020(0.5)
.012(0.3)
Pb Free Product
.012 (0.3)
Voltage stabilization
Cathode Band
.076 (1.95)
.100 (2.55)
.112 (2.85)
age
Maximum Ratings
Tj = 25_C
Top View
Dimensions in inches
.043 (1.1)
Type
.006 (0.15)
max.
.059 (1.5)
and (millimeters)
Test Conditions
Tamb=25°C
.049 (1.25)
max.
Item
Power dissipation
AL DATA Z–current
Junction temperature
, JEDEC SOD-323(SC-76)
Storage temperature range
ted, solderable per MIL-STD-750,
.004 (0.1)
max.
uction
.146(3.7)
.130(3.3)
SOD-323(SC-76)
Applications
.065 (1.65)
S
.055(1.4)DIA.
D
D
D
D
D
Symbol
Value
PTOT
500
IZ
PV/VZ
Tj
-65 to +175
Tstg
–65 to +175
Unit
mW
mA
°C
°C
026
y cathode band
Any
unce, 0.0045 gram
Maximum Thermal Resistance
.010 (0.25)
min.
Tj = 25_C
Parameter
Junction ambient
Marking Code: Test
JV or 4Conditions
Symbol
RthJA
l=9.5mm (3/8”), TL=constant
Unit
K/W
Electrical Characteristics
RATING AND
ELECTRICAL CHARACTERISTICS
Tj = 25_C
emperature unless otherwise Parameter
specified.
e, 60Hz, resistive of inductive load.
erate current by 20%
Forward voltage
Test Conditions
IF=200mA
Conditions
er
rse Voltage
Symbol
Type
Min.
Typ.
VRM
Voltage
Symbol
VF
Max.
Unit
45
V
V
VR
40
I F = 10mA DC
VF1
0.34
V
I F = 100mA DC
VF2
0.55
V
VR = 10V DC
IR
30
µ A
A
IO
0.1
rrent
IFSM
1
A
terminals
CT
6.0
pF
TJ
125
o
nt
e
Value
300
WILLAS ELECTRONIC CORP.
TSTG
-40
+125
C
C
o
Min
Typ
Max
1.1
Unit
V
WILLAS
ZMM5221B thru ZMM5267B
Nominal Zener Voltage
Part No.
Max Reverse
Leakage Current
Max. Zener Impedance
VZ @ IZT
ZZT @ IZT
ZZK @ IZK
TKVZ
IR @ VR
Marking
Code
Nom. V
Min. V
Max. V
Ω
mA
Ω
mA
μA
V
%K
ZMM5221B
2.4
2.28
2.52
30
20.0
1200
0.25
100
1.0
< –0.085
5221
ZMM5222B
2.5
2.38
2.63
30
20.0
1250
0.25
100
1.0
< –0.085
5222
ZMM5223B
2.7
2.57
2.84
30
20.0
1300
0.25
75
1.0
< –0.080
5223
ZMM5224B
2.8
2.66
2.94
30
20.0
1400
0.25
75
1.0
< –0.080
5224
ZMM5225B
3.0
2.85
3.15
29
20.0
1600
0.25
50
1.0
< –0.075
5225
ZMM5226B
3.3
3.14
3.47
28
20.0
1600
0.25
25
1.0
< –0.070
5226
ZMM5227B
3.6
3.42
3.78
24
20.0
1700
0.25
15
1.0
< –0.065
5227
ZMM5228B
3.9
3.71
4.10
23
20.0
1900
0.25
10
1.0
< –0.060
5228
ZMM5229B
4.3
4.09
4.52
22
20.0
2000
0.25
5.0
1.0
< +0.055
5229
ZMM5230B
4.7
4.47
4.94
19
20.0
1900
0.25
5.0
2.0
< +0.030
5230
ZMM5231B
5.1
4.85
5.36
17
20.0
1600
0.25
5.0
2.0
< +0.030
5231
ZMM5232B
5.6
5.32
5.88
11
20.0
1600
0.25
5.0
3.0
< +0.038
5232
ZMM5233B
6.0
5.70
6.30
7
20.0
1600
0.25
5.0
3.5
< +0.038
5233
ZMM5234B
6.2
5.89
6.51
7
20.0
1000
0.25
5.0
4.0
< +0.045
5234
ZMM5235B
6.8
6.46
7.14
5
20.0
750
0.25
3.0
5.0
< +0.050
5235
ZMM5236B
7.5
7.13
7.88
6
20.0
500
0.25
3.0
6.0
< +0.058
5236
ZMM5237B
8.2
7.79
8.61
8
20.0
500
0.25
3.0
6.5
< +0.062
5237
ZMM5238B
8.7
8.27
9.14
8
20.0
600
0.25
3.0
6.5
< +0.065
5238
ZMM5239B
9.1
8.65
9.56
10
20.0
600
0.25
3.0
7.0
< +0.068
5239
ZMM5240B
10.0
9.50
10.50
17
20.0
600
0.25
3.0
8.0
< +0.075
5240
ZMM5241B
11.0
10.45
11.55
22
20.0
600
0.25
2.0
8.4
< +0.076
5241
ZMM5242B
12.0
11.40
12.60
30
20.0
600
0.25
1.0
9.1
< +0.077
5242
ZMM5243B
13.0
12.35
13.65
13
9.5
600
0.25
0.5
9.9
< +0.079
5243
ZMM5244B
14.0
13.30
14.70
15
9.0
600
0.25
0.1
10.0
< +0.082
5244
ZMM5245B
15.0
14.25
15.75
16
8.5
600
0.25
0.1
11.0
< +0.082
5245
ZMM5246B
16.0
15.20
16.80
17
7.8
600
0.25
0.1
12.0
< +0.083
5246
ZMM5247B
17.0
16.15
17.85
19
7.4
600
0.25
0.1
13.0
< +0.084
5247
ZMM5248B
18.0
17.10
18.90
21
7.0
600
0.25
0.1
14.0
< +0.085
5248
ZMM5249B
19.0
18.05
19.95
23
6.6
600
0.25
0.1
14.0
< +0.086
5249
ZMM5250B
20.0
19.00
21.00
25
6.2
600
0.25
0.1
15.0
< +0.086
5250
ZMM5251B
22.0
20.90
23.10
29
5.6
600
0.25
0.1
17.0
< +0.087
5251
ZMM5252B
24.0
22.80
25.20
33
5.2
600
0.25
0.1
18.0
< +0.088
5252
ZMM5253B
25.0
23.75
26.25
35
5.0
600
0.25
0.1
19.0
< +0.089
5253
ZMM5254B
27.0
25.65
28.35
41
4.6
600
0.25
0.1
21.0
< +0.090
5254
ZMM5255B
28.0
26.60
29.40
44
4.5
600
0.25
0.1
21.0
< +0.091
5255
ZMM5256B
30.0
28.50
31.50
49
4.2
600
0.25
0.1
23.0
< +0.091
5256
ZMM5257B
33.0
31.35
34.65
58
3.8
700
0.25
0.1
25.0
< +0.092
5257
ZMM5258B
36.0
34.20
37.80
70
3.4
700
0.25
0.1
27.0
< +0.093
5258
ZMM5259B
39.0
37.05
40.95
80
3.2
800
0.25
0.1
30.0
< +0.094
5259
ZMM5260B
43.0
40.85
45.15
93
3.0
900
0.25
0.1
33.0
< +0.095
5260
ZMM5261B
47.0
44.65
49.35
150
2.7
1000
0.25
0.1
36.0
< +0.095
5261
ZMM5262B
51.0
48.45
53.55
125
2.5
1100
0.25
0.1
39.0
< +0.096
5262
ZMM5263B
56.0
53.20
58.80
150
2.2
1300
0.25
0.1
43.0
< +0.096
5263
ZMM5264B
60.0
57.00
63.00
170
2.1
1400
0.25
0.1
46.0
< +0.097
5264
ZMM5265B
62.0
58.90
65.10
185
2.0
1400
0.25
0.1
47.0
< +0.097
5265
ZMM5266B
68.0
64.60
71.40
230
1.8
1600
0.25
0.1
52.0
< +0.097
5266
ZMM5267B
75.0
71.25
78.75
270
1.7
1700
0.25
0.1
56.0
< +0.098
5267
1) Based on dc–measurement at thermal equilibrium; lead length = 9.5mm (3/8”); thermal resistance of heat sink = 30K/W
WILLAS
ZMM5221B thru ZMM5267B
POWER DISSIPATION, mWatts
RATING AND CHARACTERISTIC CURVES
500
400
300
200
100
0
50
100
150
200
250
O
AMBIENT TEMPERATURE, C
FIG. 1 POWER DERATING CURVE
Iz (mA)
Vz (V)
5
50
10
15
20
25
40
Test Current
Iz = 20mA
30
20
10
24
20
15
12
11
9.1
3.9
6.8
6.2
5.6
5.1
4.7
4.3
2.7
0
30
Fig.2 BREAKDOWN CHARACTERISTICS