SURFACE MOUNT ZENER DIODE
DN:T20518A0
http://www.microdiode.com Rev:2020A0 Page :1
Zener Voltage - 3.3 to 330 Volts Peak Pulse Power - 1.0 W
1SMAF4728A THRU 1SMAF4777A
Mechanical Data
Features
Small plastic package suitable for surface mounted design.
Case : JEDEC SMAF Molded plastic body
T erminals : Solder plated, solderable per MIL-STD-750,Method 2026
Polarity
: Polarity symbol marking on body
Mounting Position : Any
Weight
: 0.002ounce, 0.07grams
Maximum Ratings And Electrical Characteristics
1.2
SYMBOLS UNITSVALUE
Ratings at 25 C ambient temperature unless otherwise specified.
MDD Catalog
Number
Power Dissipation at T
L
=75
O
C, P
D
1.0 W
V
F
Storage Temperature Range
T
S
-55 to + 150
O
C
Forward Voltage at I =200mA
F
Junction Temperature Range
T
J
-55 to + 150
O
C
V
Fig.1 Maximum Continuous Power Derating
0.2
0.4
0.6
0.8
1.0
1.2
0.0
25 50
75
100 125 150 175
Power Dissipation (W)
T
L
,Lead Temperature (°C)
P.C.B. mounted on
0.2 X 0.2" (5 X 5 mm) copper areas pads.
Dimensions in inches and (millimeters)
SMAF
0.193(4.90)
0.173(4.40)
0.047(1.20)
0.031(0.80)
0.008(0.20)
0.005(0.12)
0.047(1.20)
0.035(0.90)
0.146(3.70)
0.130(3.30)
0.063 (1.60)
0.051 (1.30)
0.106(2.70)
0.094(2.40)
The cruve graph is for reference only