BZX85C SERIES
Zener Diode
Voltage Range
2.4 to 212 Volts
1.3Watts Power Dissipation
Features
Silicon Planar Power Zener Diodes
For use in stabilizing and clipping circuits with
high power rating
The Zener voltages are graded according to
the international E24 standard. Replace suffix
“C”
Mechanical Data
Case: Molded plastic DO-41
Lead: Axial leads, solderable per
MIIL-STD-202, Method 2025
Polarity: Color band denotes cathode end
Mounting position: Any
Weight: 310 mg (approx.)
DO-41
Dimensions in inches and (millimeters)
Maximum Ratings and Electrical Characteristics
Rating at 25℃ambient temperature unless otherwise specified.
Maximum Ratings
Type Number Symbol Value Units
Power Dissipation (Note 1) Pd 1.3 W
Thermal Resistance Junction to Ambient Air
(Note 1) RθJA 130 OC /W
Operating and Storage Temperature Range TJ, TSTG -55 to + 175 OC
Notes: 1. Measured with pulses tp=5ms
2. Valid Provided that Lead are Kept at Ambient Temperature at a distance of
10 mm from case..
3. f = 1KHz.
02.17.2005/rev. a
Preliminary
ELECTRICAL CHARACTERISTICS (TA=25OC unless otherwise noted) Admissible
Zener
Device Current
f
ZT IZT
f
ZT IZK (Note 2)
(Note 3) (Note 3) IR
V
RIZ
Min Max Ohm mA Ohms mA Min Max uA V mA
BZX85C2V7 2.5 2.9 <20 80 <400 1 -0.08 -0.05 <150 1.0 360
BZX85C3V0 2.8 3.2 <20 80 <400 1 -0.08 -0.05 <100 1.0 330
BZX85C3V3 3.1 3.5 <20 80 <400 1 -0.08 -0.05 <40 1.0 300
BZX85C3V6 3.4 3.8 <20 60 <500 1 -0.08 -0.05 <20 1.0 290
BZX85C3V9 3.7 4.1 <15 60 <500 1 -0.07 -0.02 <10 1.0 280
BZX85C4V3 4 4.6 <13 50 <500 1 -0.05 0.01 <3 1.0 250
BZX85C4V7 4.4 5.0 <13 45 <600 1 -0.03 0.04 <3 1.0 215.0
BZX85C5V1 4.8 5.4 <10 45 <500 1 -0.01 0.04 <1 1.5 200.0
BZX85C5V6 5.2 6 <7 45 <400 1 0 0.045 <1 2.0 190.0
BZX85C6V2 5.8 6.6 <4 35 <300 1 0.01 0.055 <1 3.0 170.0
BZX85C6V8 6.4 7.2 <3.5 35 <300 1 0.015 0.06 <1 4.0 155.0
BZX85C7V5 7 7.9 <3 35 <200 0.5 0.02 0.065 <1 4.5 140.0
BZX85C8V2 7.7 8.7 <5 25 <200 0.5 0.03 0.07 <1 6.2 130.0
BZX85C9V1 8.5 9.6 <5 25 <200 0.5 0.035 0.075 <1 6.8 120.0
BZX85C10 9.4 10.6 <7 25 <200 0.5 0.04 0.08 <0.5 7.5 105.0
BZX85C11 10.4 11.6 <8 20 <300 0.5 0.045 0.08 <0.5 8.2 97.0
BZX85C12 11.4 12.7 <9 20 <350 0.5 0.045 0.085 <0.5 9.1 88.0
BZX85C13 12.4 14.1 <10 20 <400 0.5 0.05 0.085 <0.5 10 79.0
BZX85C15 13.8 15.6 <15 15 <500 0.5 0.055 0.09 <0.5 11 71.0
BZX85C16 15.3 17.1 <15 15 <500 0.5 0.055 0.09 <0.5 12 66.0
BZX85C18 16.8 19.1 <20 15 <500 0.5 0.06 0.09 <0.5 13 62.0
BZX85C20 18.8 21.2 <24 10 <600 0.5 0.06 0.09 <0.5 15 56.0
BZX85C22 20.8 23.3 <25 10 <600 0.5 0.06 0.095 <0.5 16 52.0
BZX85C24 22.8 25.6 <25 10 <600 0.5 0.06 0.095 <0.5 18 47.0
BZX85C27 25.1 28.9 <30 8 <750 0.25 0.06 0.095 <0.5 20 41.0
BZX85C30 28 32 <30 8 <1000 0.25 0.06 0.095 <0.5 22 36.0
BZX85C33 31 35 <35 8 <1000 0.25 0.06 0.095 <0.5 24 33.0
BZX85C36 34 38 <40 8 <1000 0.25 0.06 0.095 <0.5 27 30.0
BZX85C39 37 41 <50 6 <1000 0.25 0.06 0.095 <0.5 30 28.0
BZX85C43 40 46 <50 6 <1000 0.25 0.06 0.095 <0.5 33 26.0
BZX85C47 44 50 <90 4 <1500 0.25 0.06 0.095 <0.5 36 23.0
BZX85C51 48 54 <115 4 <1500 0.25 0.06 0.095 <0.5 39 21.0
BZX85C56 52 60 <120 4 <2000 0.25 0.06 0.095 <0.5 43 19.0
Notes: 1. Valid provided that device terminals are kept at ambient temperature.
2. Tested with pulses, 300us pulse width, period = 5ms.
3. f = 1KHz.
V
z @ Izt Current
V
Zener Voltage
VZ
@
IZ= IZT
Reverse Leakag
e
Temperature
Coefficient of
%
/
O
C
Zener Voltage
Range (Note 1) Dynamic Resistance
ELECTRICAL CHARACTERISTICS (TA=25OC unless otherwise noted) Admissible
Zener
Device Current
fZT IZT fZT IZK (Note 2)
(Note 3)
(
Note 3
)
IR
V
RIZ
Min Max Ohm mA Ohms mA Min Max uA V mA
BZX85C62 58 66 <125 4.0 <2000 0.25 0.06 0.095 <0.5 47 16
BZX85C68 64 72 <130 4.0 <2000 0.25 0.055 0.095 <0.5 51 15
BZX85C75 70 80 <135 4.0 <2000 0.25 0.055 0.095 <0.5 56 14
BZX85C82 77 87 <200 2.7 <3000 0.25 0.055 0.095 <0.5 62 12
BZX85C91 85 96 <250 2.7 <3000 0.25 0.055 0.095 <0.5 68 10
BZX85C100 96 106 <350 2.7 <3000 0.25 0.055 0.095 <0.5 75 9.4
BZX85C110 104 116 <450 2.7 <4000 0.25 0.055 0.095 <0.5 82 8.6
BZX85C120 114 127 <550 2.0 <4500 0.25 0.055 0.095 <0.5 91 7.8
BZX85C130 124 141 <700 2.0 <5000 0.25 0.055 0.095 <0.5 100 7.0
BZX85C150 138 156 <1000 2.0 <6000 0.25 0.055 0.095 <0.5 110 6.4
BZX85C160 153 171 <1100 1.5 <6500 0.25 0.055 0.095 <0.5 120 5.8
BZX85C180 168 191 <1200 1.5 <7000 0.25 0.055 0.095 <0.5 130 5.2
BZX85C200 188 212 <1500 1.5 <8000 0.25 0.055 0.095 <0.5 150 4.7
Notes: 1. Valid provided that device terminals are kept at ambient temperature.
2. Tested with pulses, 300us pulse width, period = 5ms.
3. f = 1KHz.
Zener Voltage Dynamic Resistance Temperature
Range (Note 1) Coefficient of
V
%
/
O
C
Reverse Leakag
e
Zener Voltage Current
V
z @ Izt VZ
@
IZ= IZT
RATINGS AND CHARACTERISTIC CURVES (BZX85C SERIES)
FIG.1- PULSE THERMAL RESISTANCE VS
FIG.3- DYNAMIC RESISTANCE VS ZENER CURRENT
FIG.2- DYNAMIC RESISTANCE VS ZENER CURRENT
FIG.4- THERMAL RESISTANCE VS LEAD LENGTH
PULSE DURATION
FIG.5- ADMISSIBLE POWER DISSIPATION VS FIG.6- DYNAMIC RESISTANCE VS ZENER CURRENT
AMBIENT TEMPERATURE
RATINGS AND CHARACTERISTIC CURVES (BZX85C SERIES)
FIG.7- BREAKDOWN CHARACTERISTICS
FIG.8- BREAKDOWN CHARACTERISTICS
