BZX55C Series
MECHANICAL DATA
Dimensions in mm(inches)
0.51 ± 0.10
(0.02 ± 0.004)
0.31 rad.
(0.012)
3
2
1
1.91 ± 0.10
(0.075 ± 0.004)
3.05 ± 0.13
(0.12 ± 0.005)
A=
0.76 ± 0.15
(0.03 ± 0.006)
VOLTAGE REGULATOR
DIODE IN A
CERAMIC SURFACE MOUNT
PACKAGE
FOR HI–REL APPLICATIONS
A
1.40
(0.055)
max.
2.54 ± 0.13
(0.10 ± 0.005)
0.31 rad.
(0.012)
FEATURES
• HERMETIC CERAMIC SURFACE MOUNT
PACKAGE (SOT23 COMPATIBLE)
• VOLTAGE RANGE 2.4 TO 75V
1.02 ± 0.10
(0.04 ± 0.004)
LCC1 PACKAGE
Underside View
Pad 1 – Anode
Pad 2 – N/C
Pad 3 – Cathode
ABSOLUTE MAXIMUM RATINGS
P
TOT
Power Dissipation
Derate above 25°C
T
OP
T
STG
T
SOL
R
θJA
R
θJ–MB
Maximum Operating Ambient Temperature
Storage Temperature Range
Soldering Temperature
Thermal Resistance Junction to Ambient
Thermal Resistance Junction to Mounting Base
(5 seconds max.)
T
MB
= 25°C
500mW
4mW/°C
–55 to +150°C
–65 to +175°C
260°C
336°C/W
140°C/W
ELECTRICAL CHARACTERISTICS
(T
A
= 25°C unless otherwise stated)
Parameter
V
Z
I
R
Z
Z
Z
K
Zener Voltage
Reverse Current
Small Signal Breakdown Impedance
Small Signal Breakdown Impedance
near breakdown knee
Test Conditions
For V
Z
nom.
≤
36V,
For V
Z
nom.
≥
39V,
V
R
= V
R
test
V
R
= V
R
test
I
Z
= I
Z
test
For V
Z
nom.
≤
36V,
For V
Z
nom.
≥
39V,
I
ZK
= 1.0mA
I
ZK
= 0.5mA
T
AMB
= 150°C
I
Z
= 5mA
I
Z
= 2.5mA
Min.
V
Z
min.
Typ.
Max.
Units
V
µA
Ω
Ω
V
Z
nom. V
Z
max.
I
R
max.
I
R
max
(2)
Z
Z
max.
Z
K
max.
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
SEME-LAB [ SEME LAB ]
