Zener Diode
Description
BZT55C- Series
Features:
• Zener voltage range 2.
0 to 75 volts.
• Mini-MELF package.
• Surface device type mounting.
• Hermetically sealed glass.
• Compression Bonded Construction.
• All external surfaces are corrosion resistant and terminals are readily solderable.
• RoHS compliant.
• Matte Tin (Sn) lead finish.
• Blue color band indicates negative polarity.
Maximum Ratings and Electrical Characteristics
Type Number
Symbol
Value
Power Dissipation
PD 500
Operating and Storage Temperature Range
TJ, TSTG
-65 to + 200
Notes : These ratings are limiting values above which the serviceability of the diode may be impaired.
Units mW °C
Ratings and Characteristic Curves
Total Power Dissipation vs.
Ambient Temperature
Temperature Coefficient of Vz vs.
Z-Voltage
Ptot, Total Power Dissipation (mW) TKVZ - Temperature Coefficient of Vz (10-4/K)
Tamb - Ambient Temperature (°C)
Vz - Z - Voltage (V)
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BZT55C- Series
Typical Change of Working Voltage under Operating Conditions at Tamb = 25°C
Diode Capacitance vs.
Z - Voltage
CD - Diode Capacitance (pF)
VZ - Voltage Change (mV)
VZtn - Relative Voltage Range
VZ - Z - Voltage (V)
Typical Change of Working Voltage vs.
Junction Temperature
VZ - Z - Voltage (V) Forward Current vs.
Forward Voltage
IF - Forward Current (mA)
TJ, Juction Temperature (°C)
VF - Forward Volatge (V)
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IZ -Z - Current vs.
Z-Voltage
BZT55C- Series
Z-Current vs.
Z-Voltage
Differential Z - Resistance vs.
Z-Voltage
rz - Differential Z-Resistance (Ω)
VZ - Z - Voltage (V) Z-Current vs.
Z-Voltage
VZ - Z - Voltage (V)
IZ -Z - Current (mA)
Zthp - Thermal Resistance for Pulse Cond.
(KW)
VZ - Z - Voltage (V)
Thermal Response
tp - Pulse Length (ms) Page <1>
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BZT55C- Series
Electrical Characteristics (TA=25°C unless otherwise noted)
VZ at IZT
(Volts)
VZ VZ Minimum Maximum
IZT mA
ZZT at IZT Ohms
Maximum
IZK mA
ZZK at IZK Ohms
(V) (V)
9.
4 10.
6 10.
4 11.
6 11.
4 12.
7
15 20
70...
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