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BZX55C_08 Datasheet, PDF (1/2 Pages) Seme LAB – VOLTAGE REGULATOR DIODE IN A CERAMIC SURFACE MOUNT PACKAGE FOR HI–REL APPLICATIONS
BZX55C Series
MECHANICAL DATA
Dimensions in mm(inches)
0.51 ± 0.10
(0.02 ± 0.004)
3
0.31
(0.012)
rad.
2
1
1.91 ± 0.10
(0.075 ± 0.004)
3.05 ± 0.13
(0.12 ± 0.005)
0.31
(0.012)
rad.
A = 1.02 ± 0.10
(0.04 ± 0.004)
A
1.40
(0.055)
max.
LCC1 PACKAGE
Underside View
Pad 1 – Anode
Pad 2 – N/C
Pad 3 – Cathode
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
ABSOLUTE MAXIMUM RATINGS
PTOT
Power Dissipation
Derate above 25°C
TMB = 25°C
TOP
TSTG
TSOL
RθJA
RθJ–MB
Maximum Operating Ambient Temperature
Storage Temperature Range
Soldering Temperature
(5 seconds max.)
Thermal Resistance Junction to Ambient
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
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise stated)
Parameter
Test Conditions
Min.
VZ Zener Voltage
For VZ nom. ≤ 36V, IZ = 5mA
For VZ nom. ≥ 39V, IZ = 2.5mA
VZ min.
IR Reverse Current
VR = VR test
VR = VR test
TAMB = 150°C
ZZ Small Signal Breakdown Impedance IZ = IZ test
ZK Small Signal Breakdown Impedance For VZ nom. ≤ 36V, IZK = 1.0mA
near breakdown knee
For VZ nom. ≥ 39V, IZK = 0.5mA
Typ.
VZ nom.
Max. Units
VZ max. V
IR max. µA
IR max(2)
ZZ max. Ω
ZK max. Ω
See table 1 for type variants and test parameters.
Semelab Plc reserves the right to change test conditions, parameter limits and package dimensions without notice. Information furnished by Semelab is believed
to be both accurate and reliable at the time of going to press. However Semelab assumes no responsibility for any errors or omissions discovered in its use.
Semelab encourages customers to verify that datasheets are current before placing orders.
Semelab plc. Telephone +44(0)1455) 556565. Fax +44(0)1455) 552612.
E-mail: sales@semelab.co.uk Website http://www.semelab.co.uk
Document Number 5743
Issue 4