BZM55B
SERIES
SURFACE MOUNT ZENER DIODES
VOLTAGE RANGE 2.4 to 75 Volts POWER 500 mWatt
FEATURES
* Planar Die construction
* 500mW Power Dissipation
* Ideally Suited for Automated Assembly Processes
0.043(1.1)
MICRO-MELF
MECHANICAL DATA
* Case: Molded Glass MICRO-MELF
* Terminals: Solderable per MIL-STD-750, Method 2026
0.008(0.2)
0.008(0.2)
0.079(2.0)
0.071(1.8)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
o
C ambient temperature unless otherwise specified.
Resistive or inductive load.
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Parameter
Power Dissipation at T
A
= 25
O
C
Junction Temperature
Storage Temperature Range
Symbol
Value
500
-65 to +175
-65 to +175
Units
mW
O
P
TOT
T
J
T
S
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
1.5
o
0.0 48(1.2)D I A.
0 .0 4 0 (1 .0 )
C
C
Units
C/mW
V
Valid provided that leads at a distance of 8mm from case are kept at ambient temperature.
2018-12/62
REV: O
Nominal Zener Voltage
Part Number
Nom. V
BZM55-B2V4
BZM55-B2V7
BZM55-B3V0
BZM55-B3V3
BZM55-B3V6
BZM55-B3V9
BZM55-B4V3
BZM55-B4V7
BZM55-B5V1
BZM55-B5V6
BZM55-B6V2
BZM55-B6V8
BZM55-B7V5
BZM55-B8V2
BZM55-B9V1
BZM55-B10
BZM55-B11
BZM55-B12
BZM55-B13
BZM55-B15
BZM55-B16
BZM55-B18
BZM55-B20
BZM55-B22
BZM55-B24
BZM55-B27
BZM55-B30
BZM55-B33
BZM55-B36
BZM55-B39
BZM55-B43
BZM55-B47
BZM55-B51
BZM55-B56
BZM55-B62
BZM55-B68
BZM55-B75
Max. Zener Impedance
Z
ZT
@ I
ZT
Z
ZK
@ I
ZK
mA
600
600
600
600
600
600
600
600
550
450
200
150
50
50
50
70
70
90
110
110
170
170
220
220
220
220
220
220
220
500
600
700
700
1000
1000
1000
1500
Max. Reverse
Leakage Current
I
R
@ V
R
A
50
10
4
2
2
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
0.1
0.1
0.1
0.1
0.1
0.1
V
Z
@ I
ZT
M in. V
2.35
2.65
2.94
3.23
3.53
3.82
4.21
4.61
5.00
5.49
6.08
6.66
7.35
8.04
8.92
9.80
10.78
11.76
12.74
14.70
15.68
17.64
19.60
21.56
23.5
26.5
29.4
32.3
35.3
38.2
42.1
46.1
50
54.9
60.8
66.6
73.5
M ax. V
2.45
2.75
3.06
3.37
3.67
3.98
4.39
4.79
5.20
5.71
6.32
6.94
7.65
8.36
9.28
10.20
11.22
12.24
13.26
15.30
16.32
18.36
20.40
22.44
24.5
27.5
30.6
33.7
36.7
39.8
43.9
47.9
52
57.1
63.2
69.4
76.5
mA
85
85
85
85
85
85
75
60
35
25
10
8
7
7
10
15
20
20
26
30
40
50
55
55
80
80
80
80
80
90
90
110
125
135
150
200
250
V
1
1
1
1
1
1
1
1
1
1
2
3
5
6
7
7.5
8.5
9
10
11
12
14
15
17
18
20
22
24
27
30
33
36
39
43
47
51
56
2.4
2.7
3
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.2
6.8
7.5
8.2
9.1
10
11
12
13
15
16
18
20
22
24
27
30
33
36
39
43
47
51
56
62
68
75
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0.5
0.5
0.5
0.5
0.5
Notes. STANDARD VOLTAGE TOLERANCE IS + 5% AND :
SUFFIX “ A” FOR + 1%
SUFFIX “ B” FOR + 2%
SUFFIX “ C” FOR + 5%
SUFFIX “ D” FOR + 20%
RATING AND CHARACTERISTICS CURVES (BZM55B SERIES)
500
400
300
200
100
P O W E R D I S S I PAT I O N , m Wa t t s
0
50
100
150
200
O
250
AMBIENT TEMPERATURE, C
FIG. 1 POWER DERATING CURVE
Vz (V)
30
Iz (mA)
50
40
30
20
10
0
5
10
15
20
25
Test Current
Iz = 5mA
27
24
20
22
15
12
11
9V1
6V8
5V6
5V1
4V7
4V3
3V9
3V3
2V4
Fig.2 BREAKDOWN CHARACTERISTICS
Mounting Pad Layout
Marking Description
BZM55B2V4
Part No.
Voltage-code
Cathode Band
2V4~75
PACKAGING OF DIODE AND BRIDGE RECTIFIERS
REEL PACK
PACKAGE
PACKING
EA PER EA PER COMPONENT TAPE SPACE REEL DIA CARTON SIZE EA PER
GROSS
SPACE
INNER
REEL
CARTON WEIGHT(Kg)
CODE
(mm)
(mm)
(mm)
(mm)
BOX
-T
2,500
---
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178
390*205*310
100,000
7.10
MICRO-MELF
