器件名称: 1N959B
功能描述: ZENER DIODES
文件大小: 37.09KB 共2页
简 介:NEW PRODUCT
NEW PRODUCT
NEW PRODUCT
1N957 THRU 1N978
ZENER DIODES
FEATURES
DO-35
Silicon Planar Power Zener Diodes Standard Zener voltage tolerance is ±5% for “B” suffix. Other tolerances are available upon request.
max. .079 (2.0)
max. .150 (3.8)
min. 1.083 (27.5)
Cathode Mark
min. 1.083 (27.5)
max. .020 (0.52)
MECHANICAL DATA
Case: DO-35 Glass Case Weight: approx. 0.13 g
Dimensions are in inches and (millimeters)
MAXIMUM RATINGS
Ratings at 25°C ambient temperature unless otherwise specified.
SYMBOL
VALUE
UNIT
Zener Current (see Table “Characteristics”) Power Dissipation at TL = 75°C Junction Temperature Storage Temperature Range
NOTES:
Ptot Tj TS
500(1) 175 – 65 to +175
mW °C °C
(1) TL is measured 3/8” from body.
SYMBOL
MIN.
TYP.
MAX.
UNIT
Thermal Resistance Junction to Ambient Air Forward Voltage at IF = 200 mA
NOTES:
RthJA
–
–
300(1)
°C/W
VF
–
–
1.5
Volts
(1) Valid provided that leads at a distance of 3/8” from case are kept at ambient temperature.
1/6/98
1N957 THRU 1N978
ELECTRICAL CHARACTERISTICS
Ratings at 25°C ambient temperature unless otherwise specified.
Type Number
Nominal Zener Voltage VZ(3) (Volts)
Test Current IZT (mA)
Maximum Zener Impedance(1) ZZT @ IZT () ZZK @ IZK () IZK (mA)
Maximum Regulator Current IZM(2) (mA)
Maximum Reverse Current IR Maximum (A) Test Voltage Vdc (Volts)
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