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BZX55C Datasheet(PDF) 1 Page - Seme LAB

Part No. BZX55C
Description  VOLTAGE REGULATOR DIODE IN A CERAMIC SURFACE MOUNT PACKAGE FOR HI.REL APPLICATIONS
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Maker  SEME-LAB [Seme LAB]
Homepage  http://www.semelab.co.uk
Logo SEME-LAB - Seme LAB

BZX55C Datasheet(HTML) 1 Page - Seme LAB

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BZX55C Series
Semelab plc. Telephone (01455) 556565. Telex: 341927. Fax (01455) 552612.
Prelim. 3/95
PTOT
Power Dissipation
TMB = 25°C
Derate above 25°C
TOP
Maximum Operating Ambient Temperature
TSTG
Storage Temperature Range
TSOL
Soldering Temperature
(5 seconds max.)
RθJA
Thermal Resistance Junction to Ambient
RθJ–MB
Thermal Resistance Junction to Mounting Base
500mW
4mW/°C
–55 to +150°C
–65 to +175°C
260°C
336°C/W
140°C/W
MECHANICAL DATA
Dimensions in mm(inches)
21
0.51 ± 0.10
(0.02 ± 0.004)
0.31
(0.012)
1.91 ± 0.10
(0.075 ± 0.004)
3.05 ± 0.13
(0.12 ± 0.005)
1.02 ± 0.10
(0.04 ± 0.004)
1.40
(0.055)
max.
A
0.31
(0.012)
rad.
rad.
A =
3
VOLTAGE REGULATOR
DIODE IN A
CERAMIC SURFACE MOUNT
PACKAGE
FOR HI–REL APPLICATIONS
FEATURES
• HERMETIC CERAMIC SURFACE MOUNT
PACKAGE (SOT23 COMPATIBLE)
• VOLTAGE RANGE 2.4 TO 75V
SOT23 CERAMIC
(LCC1 PACKAGE)
ABSOLUTE MAXIMUM RATINGS
Pad 1 – Anode
Pad 2 – N/C
Pad 3 – Cathode
Parameter
Test Conditions
Min.
Typ.
Max.
Units
VZ
Zener Voltage
IR
Reverse Current
ZZ
Small Signal Breakdown Impedance
ZZ
Small Signal Breakdown Impedance
near breakdown knee
For VZ nom. ≤ 36V, IZ = 5mA
For VZ nom. ≥ 39V, IZ = 2.5mA
VR = VR test
VR = VR test
TAMB = 150°C
IZ = IZ test
For VZ nom. ≤ 36V, IZK = 1mA
For VZ nom. ≥ 39V, IZK = 0.5mA
VZ min. VZ nom. VZ max.
IR max.
IR max(2)
ZZ max.
ZK max.
V
µA
ELECTRICAL CHARACTERISTICS (T
A = 25°C unless otherwise stated)
See table 1 for type variants and test parameters.
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