BZM55B
SERIES
SURFACE MOUNT ZENER DIODES
VOLTAGE RANGE 2.4 to 75 Volts POWER 500 mWatt
FEATURES
MICRO-MELF
* Planar Die construction
* 500mW Power Dissipation
* Ideally Suited for Automated Assembly Processes
0 .0 4 0 (1 .0 )
MECHANICAL DATA
* Case: Molded Glass MICRO-MELF
* Terminals: Solderable per MIL-STD-750, Method 2026
0.0 48(1.2)D I A.
0.043(1.1)
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
Symbol
Value
Units
PTOT
500
mW
Junction Temperature
TJ
-65 to +175
O
Storage Temperature Range
TS
-65 to +175
O
Power Dissipation at TA= 25OC
C
C
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 IF = 200mA
Symbol
Min.
Typ.
Max.
RQJA
--
--
0.3
VF
--
--
1.5
Valid provided that leads at a distance of 8mm from case are kept at ambient temperature.
Units
o
C/mW
V
2018-12/62
REV: O
Nominal Zener Voltage
Part Number
Max. Reverse
Leakage Current
Max. Zener Impedance
V Z @ I ZT
Z ZT @ I ZT
Z ZK @ I ZK
I R @ VR
Nom. V
M in. V
M ax. V
7
mA
7
mA
MA
V
BZM55-B2V4
2.4
2.35
2.45
85
5
600
1
50
1
BZM55-B2V7
2.7
2.65
2.75
85
5
600
1
10
1
BZM55-B3V0
3
2.94
3.06
85
5
600
1
4
1
BZM55-B3V3
3.3
3.23
3.37
85
5
600
1
2
1
BZM55-B3V6
3.6
3.53
3.67
85
5
600
1
2
1
BZM55-B3V9
3.9
3.82
3.98
85
5
600
1
2
1
BZM55-B4V3
4.3
4.21
4.39
75
5
600
1
1
1
BZM55-B4V7
4.7
4.61
4.79
60
5
600
1
0.5
1
BZM55-B5V1
5.1
5.00
5.20
35
5
550
1
0.1
1
BZM55-B5V6
5.6
5.49
5.71
25
5
450
1
0.1
1
BZM55-B6V2
6.2
6.08
6.32
10
5
200
1
0.1
2
BZM55-B6V8
6.8
6.66
6.94
8
5
150
1
0.1
3
BZM55-B7V5
7.5
7.35
7.65
7
5
50
1
0.1
5
BZM55-B8V2
8.2
8.04
8.36
7
5
50
1
0.1
6
BZM55-B9V1
9.1
8.92
9.28
10
5
50
1
0.1
7
BZM55-B10
10
9.80
10.20
15
5
70
1
0.1
7.5
BZM55-B11
11
10.78
11.22
20
5
70
1
0.1
8.5
BZM55-B12
12
11.76
12.24
20
5
90
1
0.1
9
BZM55-B13
13
12.74
13.26
26
5
110
1
0.1
10
BZM55-B15
15
14.70
15.30
30
5
110
1
0.1
11
BZM55-B16
16
15.68
16.32
40
5
170
1
0.1
12
BZM55-B18
18
17.64
18.36
50
5
170
1
0.1
14
BZM55-B20
20
19.60
20.40
55
5
220
1
0.1
15
BZM55-B22
22
21.56
22.44
55
5
220
1
0.1
17
BZM55-B24
24
23.5
24.5
80
5
220
1
0.1
18
BZM55-B27
27
26.5
27.5
80
5
220
1
0.1
20
BZM55-B30
30
29.4
30.6
80
5
220
1
0.1
22
BZM55-B33
33
32.3
33.7
80
5
220
1
0.1
24
BZM55-B36
36
35.3
36.7
80
5
220
1
0.1
27
BZM55-B39
39
38.2
39.8
90
2.5
500
1
0.1
30
BZM55-B43
43
42.1
43.9
90
2.5
600
1
0.1
33
BZM55-B47
47
46.1
47.9
110
2.5
700
1
0.1
36
BZM55-B51
51
50
52
125
2.5
700
0.5
0.1
39
BZM55-B56
56
54.9
57.1
135
2.5
1000
0.5
0.1
43
BZM55-B62
62
60.8
63.2
150
2.5
1000
0.5
0.1
47
BZM55-B68
68
66.6
69.4
200
2.5
1000
0.5
0.1
51
BZM55-B75
75
73.5
76.5
250
2.5
1500
0.5
0.1
56
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)
P O W E R D I S S I PAT I O N , m Wa t t s
500
400
300
200
100
0
50
100
150
200
250
O
AMBIENT TEMPERATURE, C
Iz (mA)
FIG. 1 POWER DERATING CURVE
50
5
10
15
20
25
Vz (V)
30
40
30
Test Current
Iz = 5mA
20
10
24
27
22
20
15
12
11
9V1
6V8
5V6
5V1
4V7
4V3
3V9
3V3
2V4
0
)LJ %5($.'2:1 &+$5$&7(5,67,&6
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
MICRO-MELF
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
---
---
---
178
390*205*310
100,000
7.10
DISCLAIMER NOTICE
Rectron Inc reserves the right to make changes without notice to any product
specification herein, to make corrections, modifications, enhancements or other
changes. Rectron Inc or anyone on its behalf assumes no responsibility or liability for any errors or inaccuracies. Data sheet specifications and its information
contained are intended to provide a product description only. "Typical" parameters which may be included on RECTRON data sheets and/ or specifications can and do vary in different applications and actual performance may vary over time. Rectron Inc does not assume any liability arising out of the application or
use of any product or circuit.
Rectron products are not designed, intended or authorized for use in medical,
life-saving implant or other applications intended for life-sustaining or other related applications where a failure or malfunction of component or circuitry may directly or indirectly cause injury or threaten a life without expressed written approval of Rectron Inc. Customers using or selling Rectron components for use in
such applications do so at their own risk and shall agree to fully indemnify Rectron Inc and its subsidiaries harmless against all claims, damages and expenditures.
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