器件名称: 1N5255B
功能描述: 0.5W Hermetically Sealed Glass Zener Diodes
文件大小: 96.23KB 共5页
简 介:1N5221B - 1N5263B
0.5W Hermetically Sealed Glass Zener Diodes
Pb
RoHS
COMPLIANCE
DO-35
Features
Zener voltage range 2.4 to 56 volts DO-35 package (JEDEC) Through-hole device type mounting Hemetically sealed glass Compression bonded construction All extermal surface are corrosion resistant and leads are readily solderable RoHS compliant Solder hot dip Tin(Sn) lead finish Cathode indicated by polarity band
Dimensions is inches and (millimeters)
Maximum Ratings and Electrical Characteristics
Rating at 25oCambient temperature unless otherwise specified.
Type Number Power Dissipation Forward Voltage @ IF=200mA Operating and Storage Temperature Range
Symbol Pd VF TJ, TSTG
Value 500 1.1 -65 to + 200
Units mW V O C
Version: A07
RATINGS AND CHARACTERISTIC CURVES (1N5221B THRU 1N5263B)
RthJA - Therm. Resist. Junction Ambient (K/W)
VZtn - Relative Voltage Change
500 400 300 l 200 100 TL = constant 0 0 5 10 15 20
95 9611
1.3
VZtn = VZt/VZ (25 °C)
1.2 1.1 1.0 0.9 0.8 - 60
95 9599
TKVZ = 10 x 10-4/K 8 x 10-4/K 6 x 10-4/K 4 x 10-4/K 2 x 10-4/K
l
0
- 2 x 10-4/K - 4 x 10-4/K
0
60
120
180
240
I - Lead Length (mm)
Tj - Junction Temperature (°C)
Figure 1. Thermal Resistance vs. Lead Length
Figure 3. Typical Change of Working Voltage vs. Junction Temperature
Ptot - Total Power Dissipation (mW)
1000 VZ - Voltage Change (mV)
600 500 400 300 200 100 0 0
Tj = 25 °C
100
IZ = 5 mA
10
1 0
95 9598
5
10
15
20
25
95 9602
40
80
120
160
200
VZ - Z-Voltag……
