SMB5921
THRU
SMB5956
Elektronische Bauelemente
RoHS Compliant Product
A suffix of "-C" specifies halogen & lead-free
VOLTAGE 6.8V ~ 200V
3.0 Watts Surface Mount Zener Diode
SMB
FEATURES
*
For surface mounted applications
*
3.0 W power dissipation
*
Ideally suited for automated assembly processes
.075(1.91)
.083(2.11)
.130(3.30)
.155(3.94)
.160(4.06)
.185(4.70)
.006(.152)
.012(.305)
.083(2.13)
.096(2.44)
MECHANICAL DATA
*
Case: Molded plastic
*
Epoxy: UL 94V-0 rate flame retardant
*
Terminals:Solderable per MIL-STD-750 method 2026
*
Polarity: Cathode band
*
Mounting position: Any
*
Weight: 0.093 grams
.030(0.76)
.060(1.52)
.002(.051)
.008(.203)
.200(5.08)
.220(5.59)
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating 25
C
ambient temperature unless otherwise specified.
O
Electrical Characteristics
Power Dissipation (Note 1)
Half sine-wave superimposed on rated load
JEDEC method (Note 2)
Symbol
P
D
I
FSM
Value
3.0
10
Unit
W
A
Operating junction and Storage Temperature
Note: (1) Mounted on 5.0mm
2
(.013mm thick) land areas.
T
J
, T
STG
-55 to +155
O
C
(2) Measured on 8.3ms, single half-sine wave or equivalent square wave, duty cycle = 4 pulses per minute maximum.
http://www.SeCoSGmbH.com/
Any changing of specification will not be informed individual
01-Jun-2002 Rev. A
Page 1 of 4
SMB5921
THRU
SMB5956
Elektronische Bauelemente
VOLTAGE 6.8V ~ 200V
3.0 Watts Surface Mount Zener Diode
SMB5921
THRU
SMB5956
Part No.
SMB5921B
SMB5922B
SMB5923B
SMB5924B
SMB5925B
SMB5926B
SMB5927B
SMB5928B
SMB5929B
SMB5930B
SMB5931B
SMB5932B
SMB5933B
SMB5934B
SMB5935B
SMB5936B
SMB5937B
SMB5938B
SMB5939B
SMB5940B
SMB5941B
SMB5942B
SMB5943B
SMB5944B
SMB5945B
SMB5946B
SMB5947B
SMB5948B
SMB5949B
SMB5950B
SMB5951B
SMB5952B
SMB5953B
SMB5954B
SMB5955B
SMB5956B
Vz
(V)
6.8
7.5
8.2
9.1
10
11
12
13
15
16
18
20
22
24
27
30
33
36
39
43
47
51
56
62
68
75
82
91
100
110
120
130
150
160
180
200
Electrical Characteristic (Ta=25 C)
Iz
T
Z
ZT
Z
ZK
I
ZK
IR(uA) Max.
( mA ) (Ohm) (Ohm) ( mA )
V
R
(V)
55.1
50
45.7
41.2
37.5
34.1
31.2
28.8
25.0
23.4
20.8
18.7
17.0
15.6
13.9
12.5
11.4
10.4
9.6
8.7
8.0
7.3
6.7
6.0
5.5
5.0
4.6
4.1
3.7
3.4
3.1
2.9
2.5
2.3
2.1
1.9
2.5
3
3.5
4
4.5
5.5
6.5
7
9
10
12
14
17.5
19
23
26
33
38
45
53
67
70
86
100
120
140
160
200
250
300
380
450
600
700
900
1200
200
400
400
500
500
550
550
550
600
600
650
650
650
700
700
750
800
850
900
950
1000
1100
1300
1500
1700
2000
2500
3000
3100
4000
4500
5000
6000
6500
7000
8000
1.0
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
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
5.0
5.0
5.0
5.0
5.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
5.2
6.0
6.5
7.0
8.0
8.4
9.1
9.9
11.4
12.2
13.7
15.2
16.7
18.2
20.6
22.8
25.1
27.4
29.7
32.7
35.8
38.8
42.6
47.1
51.7
56.0
62.2
69.2
76.0
83.6
91.2
98.8
114
121.6
136.8
152
o
Surge
Current
( mA )
220
200
182
164
150
136
125
115
100
93
83
75
68
62
55
50
45
41
38
34
31
29
26
24
22
20
18
16
15
13
12
11
10
9
8
7
Suffix " B" for 5% tolerance.
http://www.SeCoSGmbH.com/
Any changing of specification will not be informed individual
01-Jun-2002 Rev. A
Page 2 of 4
SMB5921
THRU
SMB5956
Elektronische Bauelemente
VOLTAGE 6.8V ~ 200V
3.0 Watts Surface Mount Zener Diode
FIG 1. STEADY STATE POWERDERATING
P
D
, MAXIMUM POWER DISSIPATION (WATTS)
FIG 2. ZENER VOLTAGE-TO 12 VOLTS
V
Z
, TEMPERATURE COEFFICIENT (mV/°C)
5
4
3
2
1
0
8
6
4
2
0
-2
-4
3
VZ@IZT
0
25
50
75
100
125
150
175
4
5
6
7
8
9
10
11
12
T
L
,LEADTEMPERATURE(°C)
V
Z
,ZENERVOLTAGE(VOLTS)
FIG 3. ZENER VOLTAGE-10 TO 12 VOLTS
FIG 4. EFFECT OF ZENER CURRENT
V
Z
, TEMPERATURE COEFFICIENT (mV/°C)
120
100
80
60
40
20
0
VZ@IZT
1000
ZZ, DYNAMIC IMPEDANCE (OHMS)
TJ - 25°C
IZ(ms) = 0.1 IZ(dc)
VZ = 150V
100
91V
62V
10
22V
12V
0
20
40
60
80
100 120 140 160 180 200
1
0.5
1
1.0
100
6.8V
100
V
Z
, ZENERVOLTAGE(VOLTS)
I
Z
, ZENER TEST CURRENT (mA)
http://www.SeCoSGmbH.com/
Any changing of specification will not be informed individual
01-Jun-2002 Rev. A
Page 3 of 4
SMB5921
THRU
SMB5956
Elektronische Bauelemente
VOLTAGE 6.8V ~ 200V
3.0 Watts Surface Mount Zener Diode
1K
PPK, PEAK SURGE POWER (Watts)
ZZ, DYNAMIC IMPEDANCE (ohms)
200
100
70
50
30
20
Iz(dc) =1mA
500
300
200
100
50
30
20
10
0.1 0.2 0.3
5
RECTANGULAR NONREPETITIVE
WAVEFORM TJ = 25 C PRIOR TO
INITIAL PULSE
O
10mA
10
7
5
3
2
20mA
7
10
20
30
Iz(ms) = 0.1Iz(dc)
50
70
100
5
1
2 3 5
0
20
50
100
VZ, ZENER VOLTAGE (VOLTS)
P
W
, PULSE WIDTH (ms)
Fig 5. VZ = 6.8 THRU10VOLTS
Fig 6.VZ=12 THRU 82 VOLTS
100
100
50
30
20
10
5
3
2
1
0.5
0.3
0.2
0.1
0
1
2
3
4
5
IZ, ZENER CURRENT (mA)
10
5
3
2
1
0.5
0.3
0.2
0.1
6
7
8
9
10
IZ, ZENER CURRENT (mA)
50
30
20
0
10 20 30 40
50 60 70
80 90 100
VZ, ZENER VOLTAGE (VOLTS)
VZ, ZENER VOLTAGE (VOLTS)
http://www.SeCoSGmbH.com/
Any changing of specification will not be informed individual
01-Jun-2002 Rev. A
Page 4 of 4
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