DATA SHEET
BZM5221B SERIES
SURFACE MOUNT ZENER DIODES
VOLTAGE
2.4 to 47 Volts
POWER
500 mWatts
MICRO-MELF
Unit : inch (mm)
FEATURES
• Planar Die construction
• 500mW Power Dissipation
• Ideally Suited for Automated Assembly Processes
.049(1.25)
.047(1.2)DIA.
MECHANICAL DATA
• Case: Molded Glass MICRO-MELF
• Terminals: Solderable per MIL-STD-202E, Method 208
• Polarity: See Diagram Below
• Approx. Weight: 0.01 grams
• Mounting Position: Any
• Packing information
T/R - 2.5K per 7" plastic Reel
.043(1.1)
.008(0.2)
.079(2.0)
.071(1.8)
.008(0.2)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Parameter
Power Dissipation at Tamb = 25
Junction Temperature
Storage Temperature Range
O
Symbol
Value
500
175
-65 to +175
Units
mW
O
C
P
TOT
T
J
T
S
C
C
O
Valid provided that leads at a distance of 10mm from case are kept at ambient temperature.
Parameter
Thermal Resi stance Juncti on to Ambi ent Ai r
Forward Voltage at IF = 100mA
Symbol
Min.
--
--
Typ.
Max.
0.3
1
Uni ts
K/mW
V
RthA
VF
--
--
Vali d provi ded that leads at a di stance of 10mm from case are kept at ambi ent temperature.
STAD-JAN.27.2004
PAGE . 1
Nomi nal 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
BZM5241B
BZM5242B
BZM5243B
BZM5244B
BZM5245B
BZM5246B
BZM5247B
BZM5248B
BZM5249B
BZM5250B
BZM5251B
BZM5252B
BZM5253B
BZM5254B
BZM5255B
BZM5256B
BZM5257B
BZM5258B
BZM5259B
BZM5260B
BZM5261B
2.40
2.50
2.70
2.80
3.00
3.30
3.60
3.90
4.30
4.70
5.10
5.60
6.00
6.20
6.80
7.50
8.20
8.70
9.10
10.00
11.00
12.00
13.00
14.00
15.00
16.00
17.00
18.00
19.00
20.00
22.00
24.00
25.00
27.00
28.00
30.00
33.00
36.00
39.00
43.00
47.00
Max. Zener Impedance
Z
ZT
@ I
ZT
Z
ZK
@ I
ZK
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
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
Max Reverse
Leakage C urrent
I
R
@ V
R
uA
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
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
10.0
11.0
12.0
13.0
14.0
14.0
15.0
17.0
18.0
19.0
21.0
21.0
23.0
25.0
27.0
30.0
33.0
36.0
V
Z
@ I
ZT
M i 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
5.70
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
M a x. V
2.52
2.63
2.84
2.94
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
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
150
mA
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
9.5
9.5
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
Notes.
STANDARD VOLTAGE TOLERANCE IS + 5% AND :
SUFFIX “ A” FOR + 3%
SUFFIX “ B” FOR + 5%
SUFFIX “ C” FOR + 10%
SUFFIX “ D” FOR + 20%
STAD-JAN.27.2004
PAGE . 2
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)
Iz (mA)
50
40
30
20
10
0
5
10
15
20
25
30
Test Current
Iz = 20mA
5242
5241
5239
5245
5235
5234
5232
5231
5230
5229
5250
5252
5228
5224
Fig.2 BREAKDOWN CHARACTERISTICS
STAD-JAN.27.2004
PAGE . 3
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