器件名称: 1N5251B
功能描述: 1/2 Watt ZENER DIODES
文件大小: 159.54KB 共3页
简 介:Data Sheet
Watt ZENER DIODES (2.4V to 200V)
Mechanical Dimensions
JEDEC D0-35
.060 .090 .120 .200 1.00 Min.
1N5221...5281 Series
Description
.018 .022
Features
n 5 & 10% VOLTAGE TOLERANCES AVAILABLE n WIDE VOLTAGE RANGE n MEETS UL SPECIFICATION 94V-0 1N5221...5281 Series ............................................. 500 ............................................... ............................................. 4 ............................................... Units mW mW / °C °C
Maximum Ratings DC Power Dissipation with TL = > = 75°C ...PD Lead Length = .375 Inches Derate Above 50 °C Operating & Storage Temperature Range...TJ, TSTRG Steady State Power Derating Power Dissipation (W)
......................................... -65 to 100 ..........................................
Temperature Coefficients vs. Voltage Junction Capacitance (pF) Temperature Coefficient (mV/oC)
Typical Junction Capacitance
1 V Bias
0 V Bias
50% Vz Bias
Lead Temperature (° C)
Zener Voltage (V) Zener Current vs. Zener Voltage
Zener Voltage (V)
Zener Current (mA)
Zener Voltage (V)
Page 12-2
Data Sheet
NOTES: 1. For 10% Tolerance on Zener Voltage, Specify Suffix A. For 5% Tolerance, Specify Suffix B. (Example: 1N5230B = 4.7V +/- 5%) 2. TA = 25 °C unless otherwise specified. Measurements made at Thermal Equilibrium.
Lead Length = .375". Thermal Resistance of Heat Sink = 30°C / W, VF = 1.1V Max. @ IF = 200mA
Electrical Characteristics @ 25 O C. Part # Jedec Type # Nominal Zener Volt……
