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)
2.54 ± 0.13
(0.10 ± 0.005)
0.76 ± 0.15
(0.03 ± 0.006)
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
VZZener Voltage
IRReverse Current
ZZSmall Signal Breakdown Impedance
ZZSmall Signal Breakdown Impedance
near breakdown knee
For VZnom. ≤36V, IZ= 5mA
For VZnom. ≥39V, IZ= 2.5mA
VR= VRtest
VR= VRtest TAMB = 150°C
IZ= IZtest
For VZnom. ≤36V, IZK = 1mA
For VZnom. ≥39V, IZK = 0.5mA
VZmin. VZnom. VZmax.
IRmax.
IRmax(2)
ZZmax.
ZKmax.
V
µA
Ω
Ω
ELECTRICAL CHARACTERISTICS(TA= 25°C unless otherwise stated)
See table 1 for type variants and test parameters.
Underside View
BZX55C Series
Semelab plc. Telephone (01455) 556565. Telex: 341927. Fax (01455) 552612. Prelim. 3/95
BZX55C2V4 2.4 2.28 2.56 155 85 1.0 50 -0.08 -0.06 600 100
BZX55C2V7 2.7 2.5 2.9 135 85 1.0 10 -0.08 -0.06 600 50
BZX55C3V0 3.0 2.8 3.2 125 85 1.0 4.0 -0.08 -0.06 600 40
BZX55C3V3 3.3 3.1 3.5 115 85 1.0 2.0 -0.08 -0.05 600 40
BZX55C3V6 3.6 3.4 3.8 105 85 1.0 2.0 -0.08 -0.04 600 40
BZX55C3V9 3.9 3.7 4.1 95 85 1.0 2.0 -0.07 -0.03 600 40
BZX55C4V3 4.3 4.0 4.6 90 75 1.0 1.0 -0.04 -0.01 600 20
BZX55C4V7 4.7 4.4 5.0 85 60 1.0 0.5 -0.03 +0.01 600 10
BZX55C5V1 5.1 4.8 5.4 80 35 1.0 0.1 -0.02 +0.05 550 2.0
BZX55C5V6 5.6 5.2 6.0 70 25 1.0 0.1 -0.01 +0.06 450 2.0
BZX55C6V2 6.2 5.8 6.6 64 10 2.0 0.1 0 +0.07 200 2.0
BZX55C6V8 6.8 6.4 7.2 58 8.0 3.0 0.1 +0.01 +0.08 150 2.0
BZX55C7V5 7.5 7.0 7.9 53 7.0 5.0 0.1 +0.01 +0.09 50 2.0
BZX55C8V2 8.2 7.7 8.7 47 7.0 6.2 0.1 +0.01 +0.09 50 2.0
BZX55C9V1 9.1 8.5 9.6 43 10 6.8 0.1 +0.02 +0.10 50 2.0
BZX55C10 10 9.4 10.6 40 15 7.5 0.1 +0.03 +0.11 70 2.0
BZX55C11 11 10.4 11.6 36 20 8.2 0.1 +0.03 +0.11 70 2.0
BZX55C12 12 11.4 12.7 32 20 9.1 0.1 +0.03 +0.11 90 2.0
BZX55C13 13 12.4 14.1 29 26 10 0.1 +0.03 +0.11 110 2.0
BZX55C15 15 13.8 15.6 27 30 11 0.1 +0.03 +0.11 110 2.0
BZX55C16 16 15.3 17.1 24 40 12 0.1 +0.03 +0.11 170 2.0
BZX55C18 18 16.8 19.1 21 50 13 0.1 +0.03 +0.11 170 2.0
BZX55C20 20 18.8 21.2 20 55 15 0.1 +0.03 +0.11 220 2.0
BZX55C22 22 20.8 23.3 18 55 16 0.1 +0.03 +0.11 220 2.0
BZX55C24 24 22.8 25.6 16 80 18 0.1 +0.04 +0.12 220 2.0
BZX55C27 27 25.1 28.9 14 80 20 0.1 +0.04 +0.12 220 2.0
BZX55C30 30 28 32 13 80 22 0.1 +0.04 +0.12 220 2.0
BZX55C33 33 31 35 12 80 24 0.1 +0.04 +0.12 220 2.0
BZX55C36 36 34 38 11 80 27 0.1 +0.04 +0.12 220 2.0
BZX55C39 39 37 41 10 90 30 0.1 +0.04 +0.12 500 5.0
BZX55C43 43 40 46 9.2 90 33 0.1 +0.04 +0.12 600 5.0
BZX55C47 47 44 50 8.5 110 36 0.1 +0.04 +0.12 700 5.0
BZX55C51 51 48 54 7.8 125 39 0.1 +0.04 +0.12 700 10
BZX55C56 56 52 60 7.0 135 43 0.1 +0.04 +0.12 1000 10
BZX55C62 62 58 66 6.4 150 47 0.1 +0.04 +0.12 1000 10
BZX55C68 68 64 72 5.9 200 51 0.1 +0.04 +0.12 1000 10
BZX55C75 75 70 80 5.3 250 56 0.1 +0.04 +0.12 1500 10
Product VZnom. VZmin. VZmax. IZmax. ZZmax. VRtest IRmax. TCVZ ZKmax. IRmax(2)
min. max.
(V) (V) (V) (mA) (Ω) (V) (µA) (%/°C) (Ω)(µA)
TABLE 1 – TYPE VARIANTS & TEST PARAMETERS
