BZQ55C(A)(B)(D)2V4
THRU
BZQ55C(A)(B)(D)47
SURFACE MOUNT ZENER DIODES
QUADRO MELF
Standard Zener voltage tolerance is 5% AND
SUFFIX "BZQ55A" FOR 1%
SUFFIX "BZQ55B" FOR 2%
SUFFIX "BZQ55C" FOR 5%
SUFFIX "BZQ55D" FOR 20%
These diodes are also available in QUADRO MELF case
with the type designation BZQ55C(A)(B)(D)2V4.....
BZQ55C(A)(B)(D)47
0.146(3.70)
0.130(3.30)
0.063(1.60)
0.055(1.40)
0.020(0.50)
0.012(0.30)
Case: MELF Molded Glass
0.020(0.50)
0.012(0.30)
67
0.0
(1.
70
)
Characteristic
Power Dissipation at Tamb=25
Z-current
Tremal Resistance Junction to Ambient Air
Maximum instantaneous forward voltage drop
at IF=200 mADC
Junction temperature
Storage temperature range
Symbol
P
tot
Iz
R
th
J-A
Value
Units
W
0.51)
P
V
/V
Z
0.31)
1.5
175
-65 to+175
K/W
Volts
VF
T
J
Tstg
1) Valid provided that leads are kept at ambient temperature at adistance of 8mm from case
ZENER DIODES BZQ55C(A)(B)(D)2V4 THRU BZQ55C(A)(B)(D)47
W
0.5
0.4
CHANGE IN THE POWER DISSIPATION DUE
TO THE AMBIENT TEMPERATURE
P
tot
0.3
0.2
0.1
0
0
25
50
75
100
125
150
175
200
AMBIENT TEMPERATURE
BREAKDOWN CHARACTERISTICS
50
40
0
5
10
15
20
25
30
V
Iz
30
20
10
0
6V8
6V8
6V2
6V2
5V6
5V6
5V1
5V1
4V7
4V7
4V7
4V3
4V3
3V9
3V9
3V3
3V3
15
15
11
11
11
12
12
24
24
24
2V4
2V4
2V4
20
20
20
22
22
22
27
27
27
9V1
9V1
Vz
2
ZENER DIODES BZQ55C(A)(B)(D)2V4 THRU BZQ55C(A)(B)(D)47
Nominal
Zener
Voltage
Vz at Izt
Volts
BZQ55C2V4
BZQ55C2V7
BZQ55C3V0
BZQ55C3V3
BZQ55C3V6
BZQ55C3V9
BZQ55C4V3
BZQ55C4V7
BZQ55C5V1
BZQ55C5V6
BZQ55C6V2
BZQ55C6V8
BZQ55C7V5
BZQ55C8V2
BZQ55C9V1
BZQ55C10
BZQ55C11
BZQ55C12
BZQ55C13
BZQ55C15
BZQ55C16
BZQ55C18
BZQ55C20
BZQ55C22
BZQ55C24
BZQ55C27
BZQ55C30
BZQ55C33
BZQ55C36
BZQ55C39
BZQ55C43
BZQ55C47
2.28-2.56
2.5-2.9
2.8-3.2
3.1-3.5
3.4-3.8
3.7-4.1
4.0-4.6
4.4-5.0
4.8-5.4
5.2-6.0
5.8-6.6
6.4-7.2
7.0-7.9
7.7-8.7
8.5-9.6
9.4-10.6
10.4-11.6
11.4-12.7
12.4-14.1
13.8-15.6
15.3-17.1
16.8-19.1
18.8-21.2
20.8-23.3
22.8-25.6
25.1-28.9
28-32
31-35
34-38
37-41
40-46
44-50
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
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
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
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
1.0
1.0
1.0
1.0
Test
Current
IzT
Maximum Zener Impedance
Z
Z
T at I
Z
T
Z
Z
K at I
Z
K
IzK
Maximum Reverse
Leakage Current
IR
A
50
10
4
Test
Voltage
Suffix B
Device
Type
Typical
Temperature
coefficient
%/
-0.070
-0.070
-0.070
-0.065
-0.060
-0.050
-0.025
-0.010
-0.015
-0.025
+0.035
+0.045
+0.050
+0.050
+0.060
+0.070
+0.070
+0.070
+0.070
+0.070
+0.070
+0.070
+0.070
+0.070
+0.080
+0.080
+0.080
+0.080
+0.080
+0.080
+0.080
+0.080
Maximum
Regulator
Current
IzM
Volts
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
2.0
3.0
5.0
6.0
7.0
7.5
8.5
9.0
10
11
12
14
15
17
18
20
22
24
27
30
33
36
150
135
125
115
105
95
90
85
80
70
64
58
53
47
43
40
36
32
29
27
24
21
20
18
16
14
13
12
11
10
9.2
8.5
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
1)
STANDARD VOLTAGE TOLERANCE IS
SUFFIX "BZQ55A" FOR 1%
SUFFIX "BZQ55B"X FOR 2%
SUFFIX "BZQ55C" FOR 5%
SUFFIX "BZQ55D" FOR 20%
5% AND
1.STANDARS ZENER DIODE 500mW
Vz TOLERANCE= 5%
2.QUADRO MELF MOLDED GLASS.
*MEASURED WITH PULSES Tp=20mSec.
3
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