RoHS
SMAF47XXA SERIES
COMPLIANT
Surface Mount Zener Diodes
Features
● Low profile package
● Ideal for automated placement
● High forward surge capability
● Meets MSL level 1, per J-STD-020, LF maximum peak
of 260 °C
Mechanical Data
●
ackage: SMAF
P
Molding compound meets UL 94 V-0 flammability
rating, RoHS-compliant, halogen-free
● Terminals: Tin plated leads, solderable per
J-STD-002 and JESD22-B102
●
Cathode line denotes the cathode end
Polarity:
(T =25℃Unless otherwise specified
■
Maximum Ratings
)
a
PARAMETER
SYMBOL
MAX
1
UNIT
W
DC power dissipation at TL = 75 °C
Maximum instantaneous forward voltage@ IF=200mA
Maximum junction temperature
PD
VF
V
1.2
Tj
-55 to +150
-55 to +150
℃
℃
Storage temperature range
Tstg
Thermal Characteristics (T =25℃Unless otherwise specified)
■
a
Conditions
junction to lead
junction to ambient
VALUE
PARAMETER
SYMBOL
UNIT
℃/W
℃/W
(1)
RθJ-L
30
Thermal resistance(Typical)
(1)
RθJ-A
150
Note
(1) Thermal resistance from junction to ambient and from junction to lead mounted on P.C.B. with 0.2" x 0.2" (5.0 mm x 5.0 mm) copper pad areas
(T =25℃Unless otherwise specified)
■Electrical Characteristics
a
Maximum
Surge
Maximum
DC Zener
Current
Test
current
Maximum dynamic
impedance resistance
Maximum reverse
leakage current
Nominal Zener voltage
Current
Part Number
Min
Typ.
Max
(2)
IZT
ZZT at IZT ZZK at IZK
IZK
IR
Test voltage VR
IRM
IZM
VZ(1) at IZT
VZ(1) at IZT VZ(1) at IZT
V
V
V
mA
Ω
Ω
mA
μA
V
mA
mA
SMAF4727A
SMAF4728A
SMAF4729A
SMAF4730A
SMAF4731A
SMAF4732A
2.85
3.0
3.15
80.0
10.0
400
1.00
100.0
1.0
1485
288.0
3.14
3.42
3.71
4.09
4.47
3.3
3.6
3.9
4.3
4.7
3.47
3.78
4.10
4.52
4.94
76.0
69.0
64.0
58.0
53.0
10.0
10.0
9.0
400
400
400
400
500
1.00
1.00
1.00
1.00
1.00
100.0
100.0
50.0
1.0
1.0
1.0
1.0
1.0
1370
1255
1160
1050
960
274.0
251.0
232.0
210.0
192.0
9.0
10.0
8.0
10.0
1 / 5
S-S4694
Yangzhou Yangjie Electronic Technology Co., Ltd.
www.21yangjie.com
Rev.1.0,26-Sep-22