1SMAF4728A Datasheet, PDF (1/2 Pages) Microdiode Electronics (Jiangsu) Co.,Ltd. – Small plastic package suitable for surface mounted design

1SMAF4728A - 1SMAF4764A
SURFACE MOUNT SILICON ZENER DIODES
VOLTAGE RANGE: 3.3V - 100V
POWER: 1.0Wa t t s
Features
! Complete voltage range 3.3 to 100 volts
! High peak reverse power dissipation
! High reliability
! Low leakage current
! Standard zener voltage tolerance is ± 5 _%
Mechanical Data
! Case: SMAF,Molded Plastic
! Terminals: Solder Plated, Solderable
per MIL-STD-750, Method 2026
! Polarity:Color band denotes cathode end
! ^{Mounting Position:Any}
! Weight:0.0018 ounce, 0.064 grams
B
C
E
D
H
L
E
A
SMAF
Dim Min Max Typ
A 4.75 4.85 4.80
B 3.68 3.72 3.70
C 2.57 2.63 2.60
D _{0.097 1.03} 1.00
E 1.38 1.42 1.40
H 0.13 0.17 0.15
L 0.63 0.67 0.65
All Dimensions in mm
Maximum Ratings @ TA = 25°C unless otherwise specified
Rating
DC Power Dissipation at TL = 50 °C (Note1)
Maximum Forward Voltage at IF = 200 mA
Symbol
PD
VF
Maximum Thermal Resistance Junction to Ambient Air (Note2)
Junction Temperature Range
RθJA
TJ
Storage Temperature Range
Ts
Note :
(1) TL = Lead temperature at 3/8 " (9.5mm) from body
(2) Valid provided that leads are kept at ambient temperature at a distance of 10 mm from case.
Value
1.0
1.2
170
- 55 to + 175
- 55 to + 175
Fig. 1 MAXIMUM CONTINUOUS POWER DERATING
1.25
1.00
0.75
0.50
0.25
P.C.B. Mounted on
0.31x0.31x0.08" (8x8x2mm)
copper areas pads
0
0
25 50 75 100 125 150 175
TL, LEAD TEMPERATURE (°C)
Unit
Watt
Volts
K/W
°C
°C
1 of 2
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