1SMB3EZ4.7 SERIES
GLASS PASSIVATED JUNCTION SILICON ZENER DIODES
VOLTAGE
FEATURES
0.155(3.94)
0.083(2.11)
0.075(1.91)
0.185(4.70)
0.160(4.06)
0.096(2.44)
0.050(1.27)
0.030(0.76)
0.220(5.59)
0.200(5.08)
1
2
4.7 to 51 Volts
POWER
3.0 Watts
• Built-in strain relief
• Glass passivated iunction
• Low inductance
• Plastic package has Underwriters Laboratory Flammability
Classification 94V-O
• High temperature soldering : 260°C /10 seconds at terminals
0.083(2.13)
• Lead free in comply with EU RoHS 2002/95/EC directives
0.012(0.305)
0.006(0.152)
MECHANICAL DATA
• Case: JEDEC DO-214AA, Molded plastic over passivated junction
• Terminals: Solder plated, solderable per MIL-STD-750, Method 2026
• Polarity : Color band denotes cathode end
• Standard packing: 12mm tape (E1A-481)
• Weight: 0.0032 ounce, 0.092 gram
Cathode
Anode
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25°C ambient temperature unless otherwise specified.
Parameter
Steady State Power Dissipation at T
L
=75
O
C (Note 1)
Peak Forward Surge Current 8.3ms single half sine-wave
superimposed on rated load (JEDEC method)
Operating Junction and Storage Temperature Range
Symbol
Value
3.0
0.130(3.30)
• Low profile package
Units
W atts
P
D
I
FSM
T
J
,T
STG
15
-55 to + 150
Amps
O
C
NOTE :
1. Mounted on infinite heatsink.
January 02,2012-REV.08
PAGE . 1
1SMB3EZ4.7 SERIES
No mi nal Ze ner Vo ltag e
Part Number
No m. V
3.0 Watt ZENER
1SMB3EZ4.7
1SMB3EZ5.6
1SMB3EZ6.2
1SMB3EZ6.8
1SMB3EZ7.5
1SMB3EZ8.2
1SMB3EZ8.7
1SMB3EZ9.1
1SMB3EZ10
1SMB3EZ11
1SMB3EZ12
1SMB3EZ13
1SMB3EZ14
1SMB3EZ15
1SMB3EZ16
1SMB3EZ17
1SMB3EZ18
1SMB3EZ19
1SMB3EZ20
1SMB3EZ22
1SMB3EZ24
1SMB3EZ25
1SMB3EZ27
1SMB3EZ28
1SMB3EZ30
1SMB3EZ33
1SMB3EZ36
1SMB3EZ39
1SMB3EZ43
1SMB3EZ47
1SMB3EZ51
4.7
5.6
6.2
6.8
7.5
8.2
8.7
9.1
10
11
12
13
14
15
16
17
18
19
20
22
24
25
27
28
30
33
36
39
43
47
51
4.46
5.32
5.89
6.46
7.13
7.79
8.27
8.65
9.5
10.45
11.4
12.35
13.3
14.25
15.2
16.15
17.1
18.05
19
20.9
22.8
23.75
25.65
26.6
28.5
31.35
34.2
37.05
40.85
44.65
48.45
4.94
5.88
6.51
7.14
7.88
8.61
9.14
9.56
10.5
11.55
12.6
13.65
14.7
15.75
16.8
17.85
18.9
19.95
21
23.1
25.2
26.25
28.35
29.4
31.5
34.65
37.8
40.95
45.15
49.35
53.55
2
2
2
2
2
2
2
3
4
4
5
5
5
6
6
6
6
7
7
8
9
10
10
12
16
20
22
28
33
38
45
79.8
134
120
110
100
91
85
82
75
68
63
58
53
50
47
44
42
40
37
34
31
30
28
27
25
23
21
19
17
16
15
500
700
700
700
700
700
700
700
700
700
700
700
700
700
700
750
750
750
750
750
750
750
750
750
1000
1000
1000
1000
1500
1500
1500
1
1
1
1
0.5
0.5
0.5
0.5
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
5
5
5
5
5
5
4
3
3
1
1
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
1.5
3
4
4
5
6
6.6
7
7.6
8.4
9.1
9.9
10.6
11.4
12.2
13
13.7
14.4
15.2
16.7
18.2
19
20.6
21.3
22.5
25.1
27.4
29.7
32.7
35.8
38.8
4V7B
5V6B
6V2B
6V8B
7V5B
8V2B
8V7B
9V1B
10B
11B
12B
13B
14B
15B
16B
17B
18B
19B
20B
22B
24B
25B
27B
28B
30B
33B
36B
39B
43B
47B
51B
V
Z
@ I
ZT
Mi n. V
Ma x. V
Z
ZT
Ω
Ma xi mum Zene r Imp e da nc e
I
ZT
mA
Z
ZK
Ω
I
ZK
mA
μA
Max Reverse
Leakage Current
I
R
@V
R
V
Marking
Code
January 02,2012-REV.08
PAGE . 2
1SMB3EZ4.7 SERIES
C
J
, Junction Capacitance (pF)
P
D
, Power Dissipation (W)
3
10000
2
4.7V
1000
6.2V
1
0
0
25
50
75
100
125
150
5.6V
100
1
10
T
L
, Lead Temperature (°C)
V
R
, Reverse Bias Voltage (V)
Fig.1 Steady-State Power Derating Curve
Fig.2 Typical Junction Capacitance
I
R
, Reverse Current (μA)
100
1000
I
Z
, Zener Current (mA)
4.7V
5.6V
10
6.2V
5.6V
100
6.2V
4.7V
1
10
0.1
T
J
=25°C
0.01
0
1
2
3
4
5
6
7
1
T
J
=25°C
2
3
4
5
6
7
8
0.1
V
R
, Reverse Voltage (V)
V
Z
, Zener Voltage (V)
Fig.3 Typical Leakage Characteristics
Fig.4 Typical Zener Characteristics
θ
VZ
,Temperature Coefficient
10
8
I
Z
,Zener Current (mA)
20V 30V 39V
(mV/°C)@ I
ZT
6
4
2
RANGE
0
3
4
5
6
7
8
9
10
11
12
T
J
=25
o
C
V
Z
, Zener Voltage(V)
Fig.5 Typical Zener Characteristics
V
Z
, Zener Voltage(V)@ I
ZT
Voltage(V)
Fig.6 Units 4.7 To 12 Volts
θ
VZ
,Temperature Coefficient
(mV/°C)@ I
ZT
RANGE
V
Z
, Zener Voltage(V)@ I
ZT
Voltage(V)
Fig.7 Units 10 To 51 Volts
January 02,2012-REV.08
PAGE . 3
1SMB3EZ4.7 SERIES
MOUNTING PAD LAYOUT
ORDER INFORMATION
• Packing information
T/R - 3K per 13" plastic Reel
T/R - 0.5Kper 7” plastic Reel
LEGAL STATEMENT
Copyright PanJit International, Inc 2012
The information presented in this document is believed to be accurate and reliable. The specifications and information herein
are subject to change without notice. Pan Jit makes no warranty, representation or guarantee regarding the suitability of its
products for any particular purpose. Pan Jit products are not authorized for use in life support devices or systems. Pan Jit
does not convey any license under its patent rights or rights of others.
January 02,2012-REV.08
PAGE .
4
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