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BZX85C Series Axial Lead Zener Diodes
P b Lead(Pb)-Free
SMALL SIGNAL ZENER DIODES 1.3 WATTS
Features: * High Rliability * Very Sharp Reverse Characteristic * Low Reverse Current Level * VZ-Tolerance 2% Mechanical Data: * Voltage stabilization * Case : DO-41 Glass Case * Weight : Approx 0.33 gram
DO-41
DO-41 Outline Dimensions
Unit:mm
C D
A
B
A
A DIM DO-41 Min 26.0 Max Min -
B Max 4.50 Min -
C Max 0.85 Min -
D Max 2.7
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BZX85C Series
Maximum Ratings and Electrical Characteristics (TA=25C Unless Otherwise Noted)
Parameter
Power dissipation Junction ambient Junction temperature Storage temperature range I=4mmT L 25C I=4mm, TL=constant
Symbol
PV RJA Tj T stg
Value
1.3 110 175 -65~+175
Unit
W K/W C C
Electrical Characteristics
Parameter
Forward voltage I F=200mA
Symbol
VF
Min -
Typ -
Max 1.0
Unit V
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BZX85C Series
Type BZX85C 2V7 3V0 3V3 3V6 3V9 4V3 4V7 5V1 5V6 6V2 6V8 7V5 8V2 9V1 10 11 12 13 15 16 18 20 22 24 27 30 33 36 39 43 47 51 56 62 68 75
1)
VZnom V 2.7 3.0 3.3 3.6 3.9 4.3 4.7 5.1 5.6 6.2 6.8 7.5 8.2 9.1 10 11 12 13 15 16 18 20 22 24 27 30 33 36 39 43 47 51 56 62 68 75
IZT mA 80 80 80 60 60 50 45 45 45 35 35 35 25 25 25 20 20 20 15 15 15 10 10 10 8 8 8 8 6 6 4 4 4 4 4 4
for VZT and V 2.5~2.9 2.8~3.2 3.1~3.5 3.4~3.8 3.7~4.1 4.0~4.6 4.4~5.0 4.8~5.4 5.2~6.0 5.8~6.6 6.4~7.2 7.0~7.9 7.7~8.7 8.5~9.6 9.4~10.6 10.4~11.6 11.4~12.7 12.4~14.1 13.8~15.6 15.3~17.1 16.8~19.1 18.8~21.2 20.8~23.3 22.8~25.6 25.1~28.9 28~32 31~35 34~38 37~41 40~46 44~50 48~54 52~60 58~66 64~72 70~79
1)
r zjT <20 <20 <20 <20 <15 <13 <13 <10 <7 <4 <3.5 <3 <5 <5 <7 <8 <9 <10 <15 <15 <20 <24 <25 <25 <30 <30 <35 <40 <50 <50 <90 <115 <120 <125 <130 <135
rzjK @ I ZK <400 <400 <400 <500 <500 <500 <500 <500 <400 <300 <300 <200 <200 <200 <200 <300 <350 <400 <500 <500 <500 <600 <600 <600 <750 <1000 <1000 <1000 <1000 <1000 <1500 <1500 <2000 <2000 <2000 <2000 mA 1 1 1 1 1 1 1 1 1 1 1 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25
IR A <150 <100 <40 <20 <10 <3 <3 <1 <1 <1 <1 <1 <1 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
@
VR V 1 1 1 1 1 1 1 1 1 2 3 5 6.2 6.8 7.5 8.2 9.1 10 11 12 13 15 16 18 20 22 24 27 30 33 36 39 43 47 51 56
TKVZ %/K -0.09~-0.06 -0.08~-0.05 -0.08~-0.05 -0.08~-0.05 -0.08~-0.05 -0.06~-0.03 -0.05~+0.02 -0.02~+0.02 -0.05~+0.05 0.03~0.06 0.03~0.07 0.03~0.07 0.03~0.08 0.03~0.09 0.03~0.1 0.03~0.11 0.03~0.11 0.03~0.11 0.03~0.11 0.03~0.11 0.03~0.11 0.03~0.11 0.04~0.12 0.04~0.12 0.04~0.12 0.04~0.12 0.04~0.12 0.04~0.12 0.04~0.12 0.04~0.12 0.04~0.12 0.04~0.12 0.04~0.12 0.04~0.12 0.04~0.12 0.04~0.12
Tighter tolerances available request: BZX85B... 2% of VZnom
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BZX85C Series
Characteristics (Tj=25 unless otherwise specified)
Ptot -Total Power Dissipation (W) RthJA - Therm. Resist. Junction/ Tamb - Ambient Temperature() Figure1.Total Power Dissipation vs. Ambient Temperature CD -Diode Capacitance (pF)
Ambient (K/W)
l - Lead Length (mm) Figure2. Thermal Resistance vs. Lead Length
VR=0V VR=2V VR=5V VR=20V VR=30V
Vz-Z-Voltage (V) Figure3. Diode Capacitance vs. Z-Voltage Zthp - Thermal Resistance for
rz -Differential Z-Resistance ()
Vz-Z-Voltage (V) Figure4.Differential Z-Resistance vs.Z-Voltage
Pulse Cond. (K/W)
Figure5. Thermal Response
tp -Pulse Length (ms)
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