SMA4728A Ver la hoja de datos (PDF) - Guangzhou Juxing Electronic Co., Ltd.
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SMA4728A Datasheet PDF : 3 Pages
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SMA47-SERIES
1W Silicon Planar Zener Diodes
FEATURE
t Voltage Range 3.3 to 100 Volts
t Low zener impedance
t Low regulation factor
t Glass passivated junction
t High reliability
t Standard zener voltage tolerance is ± 5%.
MECHANICAL DATA
Case: JEDEC DO-214AC molded plastic body over
passivated chip
Terminals: Solder plated, solderable per MIL-STD-750,
Method 2026
Polarity: Color band denotes cathode end
Mounting Position: Any
Weight:0.07 grams
MAXIMUM RATINGS AND ELECTRICAL
CHARACTERISTICS
Ratings at 25 °C ambient temperature unless otherwise specified.
Parameter
Symbol Value Unit
Maximum Forward Voltage at IF = 200 mA.
VF
1.2
V
Power Dissipation at Tamb=75 °C(Note 1)
PD
Junction temperature
TJ
1000
mW
150
°C
Storage temperature range
TS -65 to +150 °C
Note 1:P.C.B. Mounted on 0.31x0.31x0.08" (8x8x2mm)
copper areas pads.
Soldering Parameters
Reflow Condition
-FBEoGSFFBTTFNCMZ
-Temperature Min (T )
s(min)
Pre Heat - Temperature Max (Ts(max))
- Time (min to max) (ts)
Average ramp up rate (Liquidus
Temp (TL) to peak
T toT - Ramp-up Rate
S(max)
L
Reflow
-Temperature(T ) (Liquidus)
L
-Time (min to max) (t )
s
PeakTemperature(T )
P
Time within 5°C of actual
peak Temperature (tp)
Ramp-down Rate
150°C
200°C
oTFDT
3°C/second max
3°C/second max
217°C
oTFDPOET
260+0/-5 °C
oTFDPOET
6°C/second max
Time 25°C to peak Temperature (TP)
Do not exceed
8 minutes Max.
280°C
version: 02
http://www.trr-jx.com
SMA-(DO-214AC)
H
Cathode
Band
E
G
C
D
B
DIMENSIONS
INCHES
MM
DIM
NOTE
MIN
MAX
MIN
MAX
A
0.067 0.091
1.70
2.31
B
0.051 0.067
1.29
1.70
C
0.002 0.008 0.051 0.203
D
—— 0.020
——
0.51
E
0.030 0.060
0.76
1.52
G
0.185 0.209
4.70
5.31
H
0.157 0.181
4.00
4.60
J
0.086 0.110
2.18
2.79
TP
TL
Ts(max)
Ts(min)
25˚C
Ramp-up
tp
tL
Critical Zone
TL to TP
ts
Preheat
Ramp-
down
t 25˚C to
Peak
Time (t)
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