SMAF47XXA SERIES
1 / 5
Yangzhou Yangjie Electronic Technology Co., Ltd.
S-S4694
Rev.1.0,26-Sep-22
www.21yangjie.com
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
●
P
ackage: SMAF
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
●
Polarity:
Cathode line denotes the cathode end
■
Maximum Ratings
(T
a
=25℃ Unless otherwise specified
）
PARAMETER SYMBOL
UNIT
MAX
DC power dissipation at TL = 75 °C
P
D
W 1
Maximum instantaneous forward voltage@ I
F
=200mA V
F
V 1.2
Maximum junction temperature T
j
℃
-55 to +150
Storage temperature range T
stg
℃
-55 to +150
■
Thermal Characteristics （T
a
=25℃ Unless otherwise specified）
PARAMETER SYMBOL
UNIT
Conditions VALUE
Thermal resistance(Typical)
R
θJ-L
(1)
℃/W
junction to lead 30
R
θJ-A
(1)
℃/W
junction to ambient 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
■Electrical Characteristics
（T
a
=25℃ Unless otherwise specified）
Part Number
Nominal Zener voltage
Test
current
Maximum dynamic
impedance resistance
Maximum reverse
leakage current
Maximum
Surge
Current
Maximum
DC Zener
Current
Min
V
Z
(1)
at I
ZT
Typ.
V
Z
(1)
at I
ZT
Max
V
Z
(1)
at I
ZT
I
ZT
Z
ZT
at
I
ZT
Z
ZK
at
I
ZK
I
ZK
I
R
Test voltage V
R
I
RM
(2)
I
ZM
V V V mA Ω Ω mA μA V mA mA
SMAF4727A 2.85 3.0 3.15 80.0 10.0 400 1.00 100.0 1.0 1485 288.0
SMAF4728A 3.14 3.3 3.47 76.0 10.0 400 1.00 100.0 1.0 1370 274.0
SMAF4729A 3.42 3.6 3.78 69.0 10.0 400 1.00 100.0 1.0 1255 251.0
SMAF4730A 3.71 3.9 4.10 64.0 9.0 400 1.00 50.0 1.0 1160 232.0
SMAF4731A 4.09 4.3 4.52 58.0 9.0 400 1.00 10.0 1.0 1050 210.0
SMAF4732A 4.47 4.7 4.94 53.0 8.0 500 1.00 10.0 1.0 960 192.0
COMPLIANT
RoHS
SMAF47XXA SERIES
2 / 5
Yangzhou Yangjie Electronic Technology Co., Ltd.
S-S4694
Rev.1.0,26-Sep-22
www.21yangjie.com
Part Number
Nominal Zener voltage
Test
current
Maximum dynamic
impedance resistance
Maximum reverse
leakage current
Maximum
Surge
Current
Maximum
DC Zener
Current
Min
V
Z
(1)
at I
ZT
Typ.
V
Z
(1)
at I
ZT
Max
V
Z
(1)
at I
ZT
I
ZT
Z
ZT
at
I
ZT
Z
ZK
at
I
ZK
I
ZK
I
R
Test voltage V
R
I
RM
(2)
I
ZM
V V V mA Ω Ω mA μA V mA mA
SMAF4733A 4.85 5.1 5.36 49.0 7.0 550 1.00 10.0 1.0 885 177.0
SMAF4734A 5.32 5.6 5.88 45.0 5.0 600 1.00 10.0 2.0 805 161.0
SMAF4735A 5.89 6.2 6.51 41.0 2.0 700 1.00 10.0 3.0 730 146.0
SMAF4736A 6.46 6.8 7.14 37.0 3.5 700 1.00 10.0 4.0 660 133.0
SMAF4737A 7.13 7.5 7.88 34.0 4.0 700 0.50 10.0 5.0 605 121.0
SMAF4738A 7.79 8.2 8.61 31.0 4.5 700 0.50 10.0 6.0 550 110.0
SMAF4739A 8.65 9.1 9.56 28.0 5.0 700 0.50 10.0 7.0 500 100.0
SMAF4740A 9.50 10.0 10.50 25.0 7.0 700 0.25 10.0 7.6 454 91.0
SMAF4741A 10.45 11.0 11.55 23.0 8.0 700 0.25 5.0 8.4 414 83.0
SMAF4742A 11.40 12.0 12.60 21.0 9.0 700 0.25
5.0
9.1 380 76.0
SMAF4743A 12.35 13.0 13.65 19.0 10.0 700 0.25
5.0
9.9 344 69.0
SMAF4744A 14.25 15.0 15.75 17.0 14.0 700 0.25
5.0
11.4 304 61.0
SMAF4745A 15.20 16.0 16.80 15.5 16.0 700 0.25
5.0
12.2 285 57.0
SMAF4746A 17.10 18.0 18.90 14.0 20.0 750 0.25
5.0
13.7 250 50.0
SMAF4747A 19.00 20.0 21.00 12.5 22.0 750 0.25
5.0
15.2 225 45.0
SMAF4748A 20.90 22.0 23.10 11.5 23.0 750 0.25
5.0
16.7 205 41.0
SMAF4749A 22.80 24.0 25.20 10.5 25.0 750 0.25
5.0
18.2 190 38.0
SMAF4750A 25.65 27.0 28.35 9.5 35.0 750 0.25
5.0
20.6 170 34.0
SMAF4751A 28.50 30.0 31.50 8.5 40.0 1000 0.25
5.0
22.8 150 30.0
SMAF4752A 31.35 33.0 34.65 7.5 45.0 1000 0.25
5.0
25.1 135 27.0
SMAF4753A 34.20 36.0 37.80 7.0 50.0 1000 0.25
5.0
27.4 125 25.0
SMAF4754A 37.05 39.0 40.95 6.5 60.0 1000 0.25
5.0
29.7 115 23.0
SMAF4755A 40.85 43.0 45.15 6.0 70.0 1500 0.25
5.0
32.7 110 22.0
SMAF4756A 44.65 47.0 49.35 5.5 80.0 1500 0.25
5.0
35.8 95 19.0
SMAF4757A 48.45 51.0 53.55 5.0 95.0 1500 0.25
5.0
38.8 90 18.0
SMAF4758A 53.20 56.0 58.80 4.5 110.0 2000 0.25
5.0
42.6 80 16.0
SMAF4759A 58.90 62.0 65.10 4.0 125.0 2000 0.25
5.0
47.1 70 14.0
SMAF4760A 64.60 68.0 71.40 3.7 150.0 2000 0.25
5.0
51.7 65 13.0
SMAF4761A 71.25 75.0 78.75 3.3 175.0 2000 0.25
5.0
56.0 60 12.0
SMAF4762A 77.90 82.0 86.10 3.0 200.0 3000 0.25
5.0
62.2 55 11.0
SMAF4763A 86.45 91.0 95.55 2.8 250.0 3000 0.25
5.0
69.2 50 10.0
SMAF4764A 95.00 100.0 105.00 2.5 350.0 3000 0.25
5.0
76.0 45 9.0
Notes:
（1）Nominal Zener voltage Range：95% Typ.Vz (1)at Izt----105% Typ.Vz (1)at Izt
（2）Surge current is a non-repetitive, 8.3ms pulse width square wave or equivalent sine-wave superimposed on IZT per
JEDEC method