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PDF SMAF4776A Data sheet ( Hoja de datos )
| Número de pieza | SMAF4776A | |
| Descripción | RECTIFIER SPECIALISTS | |
| Fabricantes | Dc Components | |
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DC COMPONENTS CO., LTD. SMAF4728A
THRU
R RECTIFIER SPECIALISTS
SMAF4777A
TECHNICAL SPECIFICATIONS OF SURFACE MOUNT ZENER DIODES
VOLTAGE RANGE - 3.3 to 330 Volts
POWER - 1.0 Watt
FEATURES
* Voltage Range:3.3V to 330V
* Low zener impedance
* Low regulation factor
* High reliability
* Glass passivated junction
SMAFL
MECHANICAL DATA
* Case: Molded plastic
* Epoxy: UL 94V-0 rate flame retardant
* Terminals:Solder plated, solderable per
MIL-STD-750, Method 2026
* Polarity: As marked
* Mounting position: Any
* Weight: 0.064 gram
.007(0.2)
.003(0.1)
.106(2.7)
.094(2.4)
.192(4.9)
.173(4.4)
.145(3.7)
.129(3.3)
.043(1.1)
.035(0.9)
.062(1.6)
.051(1.3)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 oC ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
Maximum Power Dissipation @TL=75oC (Note 1)
Maximum forward voltage at IF=200mA
Maximum Thermal Resistance Junction to Ambient Air
Junction Temperature Range
Storage Temperature Range
NOTE: Suffix "A" indicates Zener Voltage Tolerance ± 5%
Fig. 1
POWER TEMPERATURE
DERATING CURVE
1.2
1
0.8
0.6
0.4
0.2
SYMBOL
Ptot
VF
RθJA
TJ
TSTG
REV-1,FEBRUARY,2015
0 50 100 150
AMBIENT TEMPERATURE, Ta(oC)
1
.047(1.2)
.031(0.8)
Dimensions in inches and (millimeters)
VALUE
1.0
1.2
170
-55 to +150
-55 to +150
UNITS
W
Volts
oC/W
oC
oC
Fig. 2
TYPICAL THERMAL RESISTANCE
VERSUS LEAD LENGTH
175
150
125
100
75
50
25
0 0.2 0.4 0.6 0.8 1.0 1.2
Lead Length to Heatsink , L, (inches)
www.dccomponents.com
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