BZM55C(B)2V0
THRU
BZM55C(B)75
SURFACE MOUNT ZENER DIODES
Micro Melf
Standard Zener voltage tolerance is 5% AND
SUFFIX "BZM55B" FOR 2%
SUFFIX "BZM55C" FOR 5%
Saving space
Fits onto SOD 323 / SOT 23 foot prints
5
Gl 3(1.
as 35
s
)
Micro Melf package
0.0
0.079(2.00)
0.070(1.80)
0.051(1.30)
0.047(1.20)
Case: MICRO MELF Molded Glass
Characteristic
Power Dissipation at Tamb=25
Z-current
Tremal Resistance Junction to Ambient Air
Maximum instantaneous forward
IF=200 mADC
voltage drop
Junction temperature
Storage temperature range
Symbol
P
tot
Iz
R
th
J-A
Value
Units
W
1)
0.5
P
V
/V
Z
2)
500
1.5
175
-65 to+175
K/W
Volts
VF
T
J
Tstg
1) on R
thJA<=
300K/W
2) on PC board 50mm x 50mm x 1.6mm
ZENER DIODES BZM55C(B)2V0 THRU BZM55C(B)75
Ptot-TOTAL POWER DISSIPATION
(W)
W
0.5
0.4
0.3
0.2
0.1
FIGURE.1-TOTAL POWER DISSIPATION
CHARACTERISTICS
1000
V
Z
-VOLTAGE CHANGE(mV)
FIGURE.2-TYPICAL CHANGE OF WORKING
VOLTAGE CHARACTERISTICS
T
j
=25
100
10
I
Z
=5mA
0
0
25
50
75
100 125 150 175 200
0
0
5
10
15
20
25
AMBIENT TEMPERATURE
V
Z
,Z-VOLTAGE(V)
1.3
1.2
1.1
1.0
0.9
TK
VZ
-TEMPERATURE COEFFICIENT OF
V
Z
(10
-4
/K)
Vztn-RELATIVE VOLTAGE CHANGE
FIGURE.3-TYPICAL CHANGE OF WORKING
VOLTAGE CHARACTERISTICS
V
ztn
=V
zt
/V
z
(25 )
TK
VZ
=10X10 /K
-4
15
FIGURE.4-TEMPERATURE COEFFICIENT
CHARACTERISTICS
8X10 /K
-4
6X10 /K
-4
4X10 /K
-4
2X10 /K
0
-4
-2X10 /K
-4
-4X10 /K
-4
10
5
I
Z
=5mA
0
-5
0.8
-60
0
60
120
180
240
0
10
20
30
40
50
JUNCTION TEMPERATURE
V
Z
,Z-VOLTAGE(V)
C
P
-DIODE CAPACITANCE(
P
F)
150
V
R
=2V
T
j
=25
I
F
-FORWAR CURRENT(mA)
200
FIGURE.5-DIODE CAPACITANCE
CHARACTERISTICS
100
10
1
0.1
0.01
FIGURE.6-FORWARD CURRENT
CHARACTERISTICS
T
j
=25
100
50
0
0
5
10
15
20
25
0.001
0
0.2
0.4
0.6
0.8
1.0
V
Z
,Z-VOLTAGE(V)
V
F
,FORWARD VOLTAGE(V)
2
ZENER DIODES BZM55C(B)2V0 THRU BZM55C(B)75
100
I
Z
-Z-CURRENT(mA)
80
60
40
20
FIGURE.7-Z-CURRENT CHARACTERISTICS
P
tot
=500mW
T
amb
=25
I
Z
-Z-CURRENT(mA)
50
40
FIGURE.8-Z-CURRENT CHARACTERISTICS
P
tot
=500mW
T
amb
=25
30
20
10
0
15
0
0
4
8
12
16
20
20
25
30
35
40
V
Z
,Z-VOLTAGE(V)
V
Z
,Z-VOLTAGE(V)
R
Z
-DIFFERENTIAL Z-RESISTANCE( )
1000
FIGURE.9-DIFFERENTIAL Z-RESISTANCE
CHARACTERISTICS
I
Z
=1mA
1000
Z
thp
-THERMAL RESISTANCE
FOR PULSE COND.(K/W)
FIGURE.10-THERMAL RESPONSE
CHARACTERISTICS
Tp/T=0.1
Tp/T=0.5
100
5mA
10
10mA
100
Tp/T=0.2
Single Pulse
10
Tp/T=0.05
Tp/T=0.01
Tp/T=0.02
R
thJA
=300K/W
T=T
jmax
-T
amb
1/2
T/ Z
thp
) )/(2
rzj
)
T
j
=25
1
0
5
10
15
20
25
I
ZM
=(-V
Z
+V
Z2 rzj
x
+4
1
0
5
10
15
20
25
V
Z
,Z-VOLTAGE(V)
T
P
,PULSE LENGTH(ms)
3
ZENER DIODES BZM55C(B)2V0 THRU BZM55C(B)75
Nominal
Zener
Voltage
Vz at Izt
Volts
1.90-2.10
2.09-2.31
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
48-54
52-60
58-66
64-72
70-79
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
5
5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
5% AND
100
100
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
600
600
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
1000
1000
1000
1000
1500
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
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
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
150
150
50
10
4
Test
Voltage
Suffix B
Device
Type
V
Z
Volts
TK
VZ
%K
-0.090~-0.060
-0.090~-0.060
-0.090~-0.060
-0.090~-0.060
-0.080~-0.050
-0.080~-0.050
-0.080~-0.050
-0.080~-0.050
-0.060~-0.030
-0.050~+0.020
-0.020~+0.020
-0.050~+0.050
0.030~0.060
0.030~0.070
0.030~0.070
0.030~0.080
0.030~0.090
0.030~0.100
0.030~0.110
0.030~0.110
0.030~0.110
0.030~0.110
0.030~0.110
0.030~0.110
0.030~0.110
0.040~0.120
0.040~0.120
0.040~0.120
0.040~0.120
0.040~0.120
0.040~0.120
0.040~0.120
0.040~0.120
0.040~0.120
0.040~0.120
0.040~0.120
0.040~0.120
0.040~0.120
0.040~0.120
Volts
1.0
1.0
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
6.2
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
BZM55C2V0
BZM55C2V2
BZM55C2V4
BZM55C2V7
BZM55C3V0
BZM55C3V3
BZM55C3V6
BZM55C3V9
BZM55C4V3
BZM55C4V7
BZM55C5V1
BZM55C5V6
BZM55C6V2
BZM55C6V8
BZM55C7V5
BZM55C8V2
BZM55C9V1
BZM55C10
BZM55C11
BZM55C12
BZM55C13
BZM55C15
BZM55C16
BZM55C18
BZM55C20
BZM55C22
BZM55C24
BZM55C27
BZM55C30
BZM55C33
BZM55C36
BZM55C39
BZM55C43
BZM55C47
BZM55C51
BZM55C56
BZM55C62
BZM55C68
BZM55C75
2.0
2.2
2.4
2.7
3.0
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
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
1)
STANDARD VOLTAGE TOLERANCE IS
SUFFIX "BZM55B" FOR 2%
SUFFIX "BZM55C" FOR 5%
4
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