BZM55C...
Vishay Telefunken
Silicon Epitaxial Planar Z–Diodes
Features
D
D
D
D
D
D
D
D
D
Saving space
Hermetic sealed parts
Fits onto SOD 323 / SOT 23 footprints
Electrical data identical with the devices
BZT55C... / TZMC...
Very sharp reverse characteristic
Low reverse current level
Very high stability
Low noise
Available with tighter tolerances
96 12315
Applications
Voltage stabilization
Order Instruction
Type
BZM55C2V4
BZM55C2V4
Ordering Code
BZM55C2V4–TR
BZM55C2V4–TR3
Remarks
Tape and Reel (2.500 pcs)
Tape and Reel (10.000 pcs)
Absolute Maximum Ratings
T
j
= 25
_
C
Parameter
Power dissipation
Z–current
Junction temperature
Storage temperature range
Test Conditions
R
thJA
300K/W
x
Type
Symbol
P
V
I
Z
T
j
T
stg
Value
500
P
V
/V
Z
175
–65...+175
Unit
mW
mA
°
C
°
C
Maximum Thermal Resistance
T
j
= 25
_
C
Parameter
Junction ambient
Junction tie point
Test Conditions
mounted on epoxy–glass hard tissue, Fig. 1
35
m
m copper clad, 0.9 mm
2
copper area per electrode
Symbol
R
thJA
R
thJL
Value
500
300
Unit
K/W
K/W
Electrical Characteristics
T
j
= 25
_
C
Parameter
Forward voltage
Test Conditions
I
F
=200mA
Type
Symbol
V
F
Min
Typ
Max
1.5
Unit
V
Document Number
Rev. 4, 25-Jun-01
www.vishay.com
1 (6)
BZM55C...
Vishay Telefunken
Type
BZM55C...
2V4
2V7
3V0
3V3
3V6
3V9
4V3
4V7
5V1
5V6
6V2
6V8
7V5
8V2
9V1
10
11
12
13
15
16
18
20
22
24
27
30
33
36
39
43
47
51
56
62
68
75
1)
t /T
p
2)
at T =
j
V
Znom
I
ZT
for V
ZT
and r
zjT
V
mA
V
1)
2.4
5
2.28 to 2.56 < 85
2.7
5
2.5 to 2.9
< 85
3.0
5
2.8 to 3.2
< 90
3.3
5
3.1 to 3.5
< 90
3.6
5
3.4 to 3.8
< 90
3.9
5
3.7 to 4.1
< 90
4.3
5
4.0 to 4.6
< 90
4.7
5
4.4 to 5.0
< 80
5.1
5
4.8 to 5.4
< 60
5.6
5
5.2 to 6.0
< 40
6.2
5
5.8 to 6.6
< 10
6.8
5
6.4 to 7.2
<8
7.5
5
7.0 to 7.9
<7
8.2
5
7.7 to 8.7
<7
9.1
5
8.5 to 9.6
< 10
10
5
9.4 to 10.6
< 15
11
5
10.4 to 11.6 < 20
12
5
11.4 to 12.7 < 20
13
5
12.4 to 14.1 < 26
15
5
13.8 to 15.6 < 30
16
5
15.3 to 17.1 < 40
18
5
16.8 to 19.1 < 50
20
5
18.8 to 21.2 < 55
22
5
20.8 to 23.3 < 55
24
5
22.8 to 25.6 < 80
27
5
25.1 to 28.9 < 80
30
5
28 to 32
< 80
33
5
31 to 35
< 80
36
5
34 to 38
< 80
39
2.5
37 to 41
< 90
43
2.5
40 to 46
< 90
47
2.5
44 to 50
< 110
51
2.5
48 to 54
< 125
56
2.5
52 to 60
< 135
62
2.5
58 to 66
< 150
68
2.5
64 to 72
< 200
75
2.5
70 to 79
< 250
W
r
zjk
at
W
< 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
I
ZK
I
R
and
mA
A
1
< 100
1
< 10
1
<4
1
<2
1
<2
1
<2
1
<1
1
< 0.5
1
< 0.1
1
< 0.1
1
< 0.1
1
< 0.1
1
< 0.1
1
< 0.1
1
< 0.1
1
< 0.1
1
< 0.1
1
< 0.1
1
< 0.1
1
< 0.1
1
< 0.1
1
< 0.1
1
< 0.1
1
< 0.1
1
< 0.1
1
< 0.1
1
< 0.1
1
< 0.1
1
< 0.1
1
< 0.1
0.5 < 0.1
0.5 < 0.1
0.5 < 0.1
0.5 < 0.1
0.5 < 0.1
0.5 < 0.1
0.5 < 0.1
m
m
I
R
at V
R
A
2)
V
< 50
1
< 50
1
< 40
1
< 40
1
< 40
1
< 40
1
< 20
1
< 10
1
<2
1
<2
1
<2
2
<2
3
<2
5
<2
6.2
<2
6.8
<2
7.5
<2
8.2
<2
9.1
<2
10
<2
11
<2
12
<2
13
<2
15
<2
16
<2
18
<2
20
<2
22
<2
24
<2
27
<5
30
<5
33
<5
36
< 10
39
< 10
43
< 10
47
< 10
51
< 10
56
TK
VZ
%/K
–0.09 to –0.06
–0.09 to –0.06
–0.08 to –0.05
–0.08 to –0.05
–0.08 to –0.05
–0.08 to –0.05
–0.06 to –0.03
–0.05 to +0.02
–0.02 to +0.02
–0.05 to +0,05
0.03 to 0.06
0.03 to 0.07
0.03 to 0.07
0.03 to 0.08
0.03 to 0.09
0.03 to 0.1
0.03 to 0.11
0.03 to 0.11
0.03 to 0.11
0.03 to 0.11
0.03 to 0.11
0.03 to 0.11
0.03 to 0.11
0.04 to 0.12
0.04 to 0.12
0.04 to 0.12
0.04 to 0.12
0.04 to 0.12
0.04 to 0.12
0.04 to 0.12
0.04 to 0.12
0.04 to 0.12
0.04 to 0.12
0.04 to 0.12
0.04 to 0.12
0.04 to 0.12
0.04 to 0.12
x
100ms, tighter tolerances available on request.
150 C
°
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2 (6)
Document Number
Rev. 4, 25-Jun-01
BZM55C...
Vishay Telefunken
Characteristics
(T
j
= 25
_
C unless otherwise specified)
TK
VZ
– Temperature Coefficient of V
Z
( 10
–4
/K )
600
P
tot
– Total Power Dissipation ( mW )
500
400
300
200
100
0
0
95 9602
15
10
5
I
Z
=5mA
0
–5
0
10
20
30
40
50
V
Z
– Z-Voltage ( V )
40
80
120
160
200
T
amb
– Ambient Temperature (
°C
)
95 9600
Figure 1. Total Power Dissipation vs.
Ambient Temperature
1000
Figure 4. Temperature Coefficient of Vz vs. Z–Voltage
200
C
D
– Diode Capacitance ( pF )
– Voltage Change ( mV )
T
j
= 25°C
100
150
V
R
= 2V
100
T
j
= 25°C
I
Z
=5mA
10
D
V
Z
50
1
0
95 9598
0
5
10
15
20
25
95 9601
0
5
10
15
20
25
V
Z
– Z-Voltage ( V )
V
Z
– Z-Voltage ( V )
Figure 2. Typical Change of Working Voltage
under Operating Conditions at T
amb
=25
°
C
1.3
V
Ztn
– Relative Voltage Change
V
Ztn
=V
Zt
/V
Z
(25°C)
1.2
I
F
– Forward Current ( mA )
TK
VZ
=10
10
–4
/K
8
6
10
–4
/K
10
–4
/K
10
–4
/K
10
–4
/K
Figure 5. Diode Capacitance vs. Z–Voltage
100
10
T
j
= 25°C
1
1.1
4
2
1.0
0.9
0.8
–60
0
–2 10
–4
/K
–4
10
–4
/K
0.1
0.01
0.001
0
60
120
180
240
95 9605
0
0.2
0.4
0.6
0.8
1.0
95 9599
T
j
– Junction Temperature (
°C
)
V
F
– Forward Voltage ( V )
Figure 3. Typical Change of Working Voltage vs.
Junction Temperature
Document Number
Rev. 4, 25-Jun-01
Figure 6. Forward Current vs. Forward Voltage
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3 (6)
BZM55C...
Vishay Telefunken
100
r
Z
– Differential Z-Resistance (
W
)
1000
I
Z
– Z-Current ( mA )
80
P
tot
=500mW
T
amb
=25°C
60
I
Z
=1mA
100
5mA
10 10mA
40
20
0
0
4
8
12
16
20
1
0
95 9606
T
j
= 25°C
5
10
15
20
25
95 9604
V
Z
– Z-Voltage ( V )
V
Z
– Z-Voltage ( V )
Figure 7. Z–Current vs. Z–Voltage
50
P
tot
=500mW
T
amb
=25°C
Figure 9. Differential Z–Resistance vs. Z–Voltage
I
Z
– Z-Current ( mA )
40
30
20
10
0
15
20
25
30
35
95 9607
V
Z
– Z-Voltage ( V )
Figure 8. Z–Current vs. Z–Voltage
Z
thp
– Thermal Resistance for Pulse Cond. (K/W)
1000
t
p
/T=0.5
100
t
p
/T=0.2
Single Pulse
10
t
p
/T=0.1
t
p
/T=0.05
1
10
–1
t
p
/T=0.02
i
ZM
=(–V
Z
+(V
Z2
+4r
zj
t
p
/T=0.01
R
thJA
=300K/W
D
T=T
jmax
–T
amb
D
T/Z
thp
)
1/2
)/(2r
zj
)
10
0
10
1
t
p
– Pulse Length ( ms )
10
2
95 9603
Figure 10. Thermal Response
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4 (6)
Document Number
Rev. 4, 25-Jun-01
BZM55C...
Vishay Telefunken
0.71
1.3
1.27
16773
Reflow Soldering
1.2
0.152
9.9
2
5
0.355
0.8
0.8
2.4
0.8
Figure 12. Recommended foot pads (in mm)
1
0
Wave Soldering
16774
2.5
1.4
95 10329
24
0.9
1.0
2.8
0.9
Figure 11. Board for R
thJA
definition (in mm)
Figure 13. Recommended foot pads (in mm)
Dimensions in mm
96 12072
Document Number
Rev. 4, 25-Jun-01
www.vishay.com
5 (6)
