BZM5221B SERIES
SURFACE MOUNT ZENER DIODES
VOLTAGE
2.4 to 68 Volts
POWER
500 mWatts
FEATURES
• Planar Die construction
• 500mW Power Dissipation
• Ideally Suited for Automated Assembly Processes
• Lead free in comply with EU RoHS 2011/65/EU directives
0.040(1.0)
0.008(0.2)
0.079(2.0)
0.071(1.8)
0.043(1.1)
MECHANICAL DATA
• Case: Molded Glass MICRO-MELF
• Terminals: Solderable per MIL-STD-750, Method 2026
• Polarity: See Diagram Below
• Approx. Weight: 0.008 grams
• Mounting Position: Any
• Packing information
T/R - 2.5K per 7" plastic Reel
0.008(0.2)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Parameter
Power Dissipation at T
A
= 25
O
C
Junction Temperature
Storage Temperature Range
Symbol
Value
500
175
-65 to +175
Units
mW
O
P
TOT
T
J
T
S
C
C
O
Valid provided that leads at a distance of 8mm from case are kept at ambient temperature.
Parameter
Thermal Resistance Junction to Ambient Air
Forward Voltage at I
F
= 200mA
Symbol
R
JA
V
F
Min.
--
--
Typ.
--
--
Max.
0.3
1
o
Units
C/mW
V
Valid provided that leads at a distance of 8mm from case are kept at ambient temperature.
May 7,2013-REV.03
0.048(1.2)DIA.
PAGE . 1
BZM5221B SERIES
Nominal Zener Voltage
Part Number
No m. V
BZM5221B
BZM5222B
BZM5223B
BZM5224B
BZM5225B
BZM5226B
BZM5227B
BZM5228B
BZM5229B
BZM5230B
BZM5231B
BZM5232B
BZM5233B
BZM5234B
BZM5235B
BZM5236B
BZM5237B
BZM5238B
BZM5239B
BZM5240B
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
V
Z
@ I
ZT
Mi n. 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
5.7
5.89
6.46
7.13
7.79
8.27
8.65
9.5
Ma x. V
2.52
2.63
2.84
2.94
3.15
3.47
3.78
4.1
4.52
4.94
5.36
5.88
6.3
6.51
7.14
7.88
8.61
9.14
9.56
10.5
30
30
30
30
29
28
24
23
22
19
17
11
7
7
5
6
8
8
10
17
Max. Zener Impedance
Z
ZT
@ I
ZT
mA
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
1200
1250
1300
1400
1600
1600
1700
1900
2000
1900
1600
1600
1600
1000
750
500
500
600
600
600
Z
ZK
@ I
ZK
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
Max Reverse
Leakage Current
I
R
@ V
R
A
100
100
75
75
50
25
15
10
5
5
5
5
5
5
3
3
3
3
3
3
V
1
1
1
1
1
1
1
1
1
2
2
3
3.5
4
5
6
6.5
6.5
7
8
Notes.
STANDARD VOLTAGE TOLERANCE IS + 5% AND :
SUFFIX “ A” FOR + 3%
SUFFIX “ B” FOR + 5%
SUFFIX “ C” FOR + 10%
SUFFIX “ D” FOR + 20%
May 7,2013-REV.03
PAGE . 2
BZM5221B SERIES
Nominal Zener Voltage
Part Number
No m. V
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
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
V
Z
@ I
ZT
Mi n. V
10.45
11.4
12.35
13.3
14.25
15.2
16.15
17.1
18.05
19
20.9
22.8
23.75
25.65
26.6
28.5
31.35
34.2
37.05
40.85
44.65
48.45
53.2
57
58.9
64.6
Ma x. V
11.55
12.6
13.65
14.7
15.75
16.8
17.85
18.9
19.95
21
23.1
25.2
26.25
28.35
29.4
31.5
34.65
37.8
40.95
45.15
49.35
53.55
58.8
63
65.1
71.4
22
30
13
15
16
17
19
21
23
25
29
33
35
41
44
49
58
70
80
93
150
125
150
170
185
230
Max. Zener Impedance
Z
ZT
@ I
ZT
mA
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
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
Z
ZK
@ I
ZK
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
Max Reverse
Leakage Current
I
R
@ V
R
A
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
V
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
Notes.
STANDARD VOLTAGE TOLERANCE IS + 5% AND :
SUFFIX “ A” FOR + 3%
SUFFIX “ B” FOR + 5%
SUFFIX “ C” FOR + 10%
SUFFIX “ D” FOR + 20%
May 7,2013-REV.03
PAGE . 3
BZM5221B SERIES
RATING AND CHARACTERISTIC CURVES
POWER DISSIPATION, mWatts
500
400
300
200
100
0
50
100
150
200
O
250
AMBIENT TEMPERATURE, C
FIG. 1 POWER DERATING CURVE
Vz (V)
5
10
15
20
25
30
Iz (mA)
50
40
30
20
10
Test Current
Iz = 20mA
0
5242
5241
5245
5239
5235
5234
5232
5231
5230
5229
5250
5252
5228
5224
Fig.2 BREAKDOWN CHARACTERISTICS
May 7,2013-REV.03
PAGE . 4
BZM5221B SERIES
MOUNTING PAD LAYOUT
ORDER INFORMATION
• Packing information
T/R - 10K per 13" plastic Reel
T/R - 2.5K per 7" plastic Reel
May 7,2013-REV.03
PAGE . 5
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