Electrical data identical with the devices
BZT55C... / TZMC...
D
Very sharp reverse characteristic
D
Low reverse current level
D
Very high stability
D
Low noise
D
Available with tighter tolerances
Applications
Voltage stabilization
BZM55C...
Vishay Telefunken
96 12315
Absolute Maximum Ratings
Tj = 25_C
ParameterTest ConditionsTypeSymbolValueUnit
Power dissipation
Z–currentI
Junction temperatureT
Storage temperature rangeT
R
thJA
x
300K/W
P
V
Z
j
stg
500mW
PV/V
Z
175
–65...+175
Maximum Thermal Resistance
Tj = 25_C
ParameterTest ConditionsSymbolValueUnit
Junction ambient mounted on epoxy–glass hard tissue, Fig. 1R
Junction tie point 35mm copper clad, 0.9 mm2 copper area per electrodeR
thJA
thJL
500K/W
300K/W
Electrical Characteristics
Tj = 25_C
ParameterTest ConditionsTypeSymbolMinTypMaxUnit
Forward voltageIF=200mAV
F
mA
°°
1.5V
C
C
Document Number 85598
Rev. 3, 01-Apr-991 (6)
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Page 2
BZM55C...
Vishay Telefunken
TypeV
ZnomIZT
BZM55C...VmAV
for VZT and r
1)
r
zjT
zjk
WW
at IZK IR and IR at V
mA
m
A
2)
m
A
R
TK
V%/K
2 V 42.452.28 to 2.56< 85< 6001< 100< 501–0.09 to –0.06
2 V 72.752.5 to 2.9< 85< 6001< 10< 501–0.09 to –0.06
3 V 03.052.8 to 3.2< 90< 6001< 4< 401–0.08 to –0.05
3 V 33.353.1 to 3.5< 90< 6001< 2< 401–0.08 to –0.05
3 V 63.653.4 to 3.8< 90< 6001< 2< 401–0.08 to –0.05
3 V 93.953.7 to 4.1< 90< 6001< 2< 401–0.08 to –0.05
4 V 34.354.0 to 4.6< 90< 6001< 1< 201–0.06 to –0.03
4 V 74.754.4 to 5.0< 80< 6001< 0.5< 101–0.05 to +0.02
5 V 15.154.8 to 5.4< 60< 5501< 0.1< 21–0.02 to +0.02
5 V 65.655.2 to 6.0< 40< 4501< 0.1< 21–0.05 to +0,05
6 V 26.255.8 to 6.6< 10< 2001< 0.1< 220.03 to 0.06
6 V 86.856.4 to 7.2< 8< 1501< 0.1< 230.03 to 0.07
7 V 57.557.0 to 7.9< 7< 501< 0.1< 250.03 to 0.07
8 V 28.257.7 to 8.7< 7< 501< 0.1< 26.20.03 to 0.08
9 V 19.158.5 to 9.6< 10< 501< 0.1< 26.80.03 to 0.09
101059.4 to 10.6< 15< 701< 0.1< 27.50.03 to 0.1
1111510.4 to 11.6< 20< 701< 0.1< 28.20.03 to 0.11
121251 1.4 to 12.7< 20< 901< 0.1< 29.10.03 to 0.11
1313512.4 to 14.1< 26< 1101< 0.1< 2100.03 to 0.11
1515513.8 to 15.6< 30< 1101< 0.1< 2110.03 to 0.11
1616515.3 to 17.1< 40< 1701< 0.1< 2120.03 to 0.11
1818516.8 to 19.1< 50< 1701< 0.1< 2130.03 to 0.11
2020518.8 to 21.2< 55< 2201< 0.1< 2150.03 to 0.11
2222520.8 to 23.3< 55< 2201< 0.1< 2160.04 to 0.12
2424522.8 to 25.6< 80< 2201< 0.1< 2180.04 to 0.12
2727525.1 to 28.9< 80< 2201< 0.1< 2200.04 to 0.12
3030528 to 32< 80< 2201< 0.1< 2220.04 to 0.12
3333531 to 35< 80< 2201< 0.1< 2240.04 to 0.12
3636534 to 38< 80< 2201< 0.1< 2270.04 to 0.12
39392.537 to 41< 90< 5001< 0.1< 5300.04 to 0.12
43432.540 to 46< 90< 6000.5< 0.1< 5330.04 to 0.12
47472.544 to 50< 110< 7000.5< 0.1< 5360.04 to 0.12
51512.548 to 54< 125< 7000.5< 0.1< 10390.04 to 0.12
56562.552 to 60< 135< 10000.5< 0.1< 10430.04 to 0.12
62622.558 to 66< 150< 10000.5< 0.1< 10470.04 to 0.12
68682.564 to 72< 200< 10000.5< 0.1< 10510.04 to 0.12
75752.570 to 79< 250< 15000.5< 0.1< 10560.04 to 0.12
VZ
1)
tp/T x 100ms, tighter tolerances available on request.
2)
at Tj= 150°C
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Figure 4. Temperature Coefficient of Vz vs. Z–Voltage
200
150
VR=2V
Tj=25°C
100
50
D
C – Diode Capacitance ( pF )
95 9601
0
051015
VZ – Z-Voltage ( V )
20
25
Figure 5. Diode Capacitance vs. Z–Voltage
Document Number 85598
Rev. 3, 01-Apr-993 (6)
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Page 4
BZM55C...
Vishay Telefunken
100
10
Tj=25°C
1
0.1
F
I – Forward Current ( mA )
0.01
0.001
00.20.40.60.8
95 9605
VF – Forward Voltage ( V )
Figure 6. Forward Current vs. Forward Voltage
100
80
P
=500mW
tot
T
=25°C
amb
60
40
Z
I – Z-Current ( mA )
20
0
04 81216
95 9604
VZ – Z-Voltage ( V )
Figure 7. Z–Current vs. Z–Voltage
1.0
20
50
P
=500mW
40
tot
T
=25°C
amb
30
20
Z
I – Z-Current ( mA )
10
0
15202530
95 9607
VZ – Z-Voltage ( V )
Figure 8. Z–Current vs. Z–Voltage
1000
W
IZ=1mA
100
5mA
10mA
10
Z
r – Differential Z-Resistance ( )
1
Tj=25°C
05101520
95 9606
VZ – Z-Voltage ( V )
Figure 9. Differential Z–Resistance vs. Z–Voltage
35
25
1000
tp/T=0.5
100
tp/T=0.2
10
tp/T=0.1
tp/T=0.02
tp/T=0.05
1
thp
Z – Thermal Resistance for Pulse Cond. (K/W)
–1
10
0
10
tp/T=0.01
Single Pulse
1
10
iZM=(–VZ+(V
2
+4rzjDT/Z
Z
R
=300K/W
thJA
D
T=T
jmax–Tamb
1/2
)
)/(2rzj)
thp
2
10
tp – Pulse Length ( ms )95 9603
Figure 10. Thermal Response
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Rev. 3, 01-Apr-994 (6)
Page 5
BZM55C...
Vishay Telefunken
0.152
25
10
95 10329
Figure 11. Board for R
0.711.3
0.355
2.5
24
definition (in mm)
thJA
1.27
9.9
Reflow Soldering
95 10330
1.2
0.60.6
1.2
2.4
Figure 12. Recommended foot pads (in mm)
Wave Soldering
95 10331
1.4
0.70.7
1.4
2.8
Figure 13. Recommended foot pads (in mm)
Dimensions in mm
96 12072
Document Number 85598
Rev. 3, 01-Apr-995 (6)
www.vishay.de • FaxBack +1-408-970-5600
Page 6
BZM55C...
Vishay Telefunken
Ozone Depleting Substances Policy Statement
It is the policy of Vishay Semiconductor GmbH to
1. Meet all present and future national and international statutory requirements.
2. Regularly and continuously improve the performance of our products, processes, distribution and operating
systems with respect to their impact on the health and safety of our employees and the public, as well as their
impact on the environment.
It is particular concern to control or eliminate releases of those substances into the atmosphere which are known as
ozone depleting substances (ODSs).
The Montreal Protocol (1987) and its London Amendments (1990) intend to severely restrict the use of ODSs and
forbid their use within the next ten years. V arious national and international initiatives are pressing for an earlier ban
on these substances.
Vishay Semiconductor GmbH has been able to use its policy of continuous improvements to eliminate the use of
ODSs listed in the following documents.
1. Annex A, B and list of transitional substances of the Montreal Protocol and the London Amendments respectively
2. Class I and II ozone depleting substances in the Clean Air Act Amendments of 1990 by the Environmental
Protection Agency (EPA) in the USA
3. Council Decision 88/540/EEC and 91/690/EEC Annex A, B and C (transitional substances) respectively.
Vishay Semiconductor GmbH can certify that our semiconductors are not manufactured with ozone depleting
substances and do not contain such substances.
We reserve the right to make changes to improve technical design and may do so without further notice.
Parameters can vary in different applications. All operating parameters must be validated for each customer application
by the customer. Should the buyer use Vishay-Telefunken products for any unintended or unauthorized application, the
buyer shall indemnify Vishay-Telefunken against all claims, costs, damages, and expenses, arising out of, directly or
indirectly , any claim of personal damage, injury or death associated with such unintended or unauthorized use.