1
MOTOROLA
1SMA5913BT3 through 1SMA5945BT3
1.5 Watt Plastic Surface
Mount Silicon Zener Diodes
This complete new line of 1.5 Watt Zener Diodes offers the following
advantages.
Specification Features:
Voltage Range 3.3 to 68 V
ESD Rating of Class 3 (>16 kV) per Human Body Model
Flat Handling Surface for Accurate Placement
Package Design for Top Side or Bottom Circuit Board Mounting
Low Profile Package
Available in Tape and Reel
Ideal Replacement for MELF Packages
Mechanical Characteristics:
Case: Voidfree, transfer-molded plastic
Maximum Case Temperature for Soldering Purposes: 260
C for
10 seconds
Finish: All external surfaces are corrosion resistant with readily solderable
leads
Polarity: Cathode indicated by molded polarity notch
Mounted Position: Any
MAXIMUM RATINGS AND CHARACTERISTICS
Rating
Symbol
Value
Unit
DC Power Dissipation @ TL = 75
C (Note 1)
Derate above 75
C
PD
1.5
20
Watts
mW/
C
DC Power Dissipation @ TA = 25
C (Note 1)
Derate above 25
C
PD
900
7.2
mW
mW/
C
Thermal Resistance from Junction to Lead
R
JL
29
C/W
Thermal Resistance from Junction to Ambient
R
JA
111
C/W
Peak Forward Surge @ TA = 25
C, (JEDEC Method, Note 3)
IFSM
20
Amps
Typical Ppk Dissipation @ TL < 25
C, (Note 2, PW10/1000
s per Figure 8)
Ppk
200
Watts
Typical Ppk Dissipation @ TL < 25
C, (Note 2, PW8/20
s per Figure 9)
Ppk
1000
Watts
Operating and Storage Junction Temperature Range
TJ, Tstg
150
C
1. FR4 Board, using Motorola minimum recommended footprint, as shown in case 403B outline dimensions spec.
2. Nonrepetitive current pulse.
3. Measured on 8.3 ms single half sinewave or equivalent square wave, duty cycle = 4 pulse per minute maximum.
REV 1
MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Order this document
by 1SMA5913BT3/D
Motorola, Inc. 1996
1SMA5913BT3
through
1SMA5945BT3
PLASTIC SURFACE
MOUNT ZENER
DIODES
1.5 WATTS
3.368 VOLTS
SMA
CASE 403B01
PLASTIC
MOTOROLA
2
1SMA5913BT3 through 1SMA5945BT3
ELECTRICAL CHARACTERISTICS
(VF = 1.5 Volts @ IF = 200 mA for all types)
Device
Nominal Zener
Voltage VZ @
IZT Volts
Test
Current
IZT mA
Max Zener Impedance
Max Reverse Leakage Current
Devce Marking
Device
Nominal Zener
Voltage VZ @
IZT Volts
Test
Current
IZT mA
ZZT @ IZT
Ohms
ZZK
Ohms
IZK
mA
IR
A
VR
Volts
Max DC
Zener Current
IZM
mAdc
Devce Marking
1SMA5913BT3
3.3
113.6
10
500
1.0
50
1.0
455
813B
1SMA5914BT3
3.6
104.2
9.0
500
1.0
35.5
1.0
417
814B
1SMA5915BT3
3.9
96.1
7.5
500
1.0
12.5
1.0
385
815B
1SMA5916BT3
4.3
87.2
6.0
500
1.0
2.5
1.0
349
816B
1SMA5917BT3
4.7
79.8
5.0
500
1.0
2.5
1.5
319
817B
1SMA5918BT3
5.1
73.5
4.0
350
1.0
2.5
2.0
294
818B
1SMA5919BT3
5.6
66.9
2.0
250
1.0
2.5
3.0
268
819B
1SMA5920BT3
6.2
60.5
2.0
200
1.0
2.5
4.0
242
820B
1SMA5921BT3
6.8
55.1
2.5
200
1.0
2.5
5.2
221
821B
1SMA5922BT3
7.5
50
3.0
400
0.5
2.5
6.5
200
822B
1SMA5923BT3
8.2
45.7
3.5
400
0.5
2.5
6.8
183
823B
1SMA5924BT3
9.1
41.2
4.0
500
0.5
2.5
7.0
165
824B
1SMA5925BT3
10
37.5
4.5
500
0.25
0.5
8.0
150
825B
1SMA5926BT3
11
34.1
5.5
550
0.25
0.5
8.4
136
826B
1SMA5927BT3
12
31.2
6.5
550
0.25
0.5
9.1
125
827B
1SMA5928BT3
13
28.8
7.0
550
0.25
0.5
9.9
115
828B
1SMA5929BT3
15
25
9.0
600
0.25
0.5
11.4
100
829B
1SMA5930BT3
16
23.4
10
600
0.25
0.5
12.2
94
830B
1SMA5931BT3
18
20.8
12
650
0.25
0.5
13.7
83
831B
1SMA5932BT3
20
18.7
14
650
0.25
0.5
15.2
75
832B
1SMA5933BT3
22
17
17.5
650
0.25
0.5
16.7
68
833B
1SMA5934BT3
24
15.6
19
700
0.25
0.5
18.2
63
834B
1SMA5935BT3
27
13.9
23
700
0.25
0.5
20.6
56
835B
1SMA5936BT3
30
12.5
26
750
0.25
0.5
22.8
50
836B
1SMA5937BT3
33
11.4
33
800
0.25
0.5
25.1
45
837B
1SMA5938BT3
36
10.4
38
850
0.25
0.5
27.4
42
838B
1SMA5939BT3
39
9.6
45
900
0.25
0.5
29.7
38
839B
1SMA5940BT3
43
8.7
53
950
0.25
0.5
32.7
35
840B
1SMA5941BT3
47
8.0
67
1000
0.25
0.5
35.8
32
841B
1SMA5942BT3
51
7.3
70
1100
0.25
0.5
38.8
29
842B
1SMA5943BT3
56
6.7
86
1300
0.25
0.5
42.6
27
843B
1SMA5944BT3
62
6.0
100
1500
0.25
0.5
47.1
24
844B
1SMA5945BT3
68
5.5
120
1700
0.25
0.5
51.7
22
845B
NOTE: Tolerance and Voltage Designation Tolerance designation The type number listed indicates a tolerance of
5%.
3
MOTOROLA
1SMA5913BT3 through 1SMA5945BT3
Rating and Typical Characteristic Curves (TA = 25
C)
VZ
,
TEMPERA
TURE COEFFICIENT
(mV/
C)
0
4
Figure 1. Steady State Power Derating
Figure 2. VZ 3.3 thru 10 Volts
T, TEMPERATURE (
C)
Figure 3. Zener Voltage 3.3 to 12 Volts
Figure 4. Zener Voltage 14 to 68 Volts
25
50
75
100
125
150
P
D
, MAXIMUM POWER DISSIP
A
TION (W
A
TTS)
I Z
, ZENER CURRENT
(mA)
VZ
,
TEMPERA
TURE COEFFICIENT
(mV/
C)
Z
Z
, DYNAMIC IMPEDANCE (OHMS)
3.2
2.4
1.6
0.8
0
0
100
2
4
6
8
10
10
1
0.1
VZ, ZENER VOLTAGE (VOLTS)
10
8
6
4
2
0
2
4
2
4
6
8
10
VZ, ZENER VOLTAGE (VOLTS)
100
10
10
100
VZ, ZENER VOLTAGE (VOLTS)
TL
TA
VZ @ IZT
VZ @ IZT
Figure 5. Effect of Zener Voltage
10
100
VZ, ZENER VOLTAGE (VOLTS)
IZ(dc) = 1 mA
100
10
10 mA
20 mA
IZ(rms) = 0.1 IZ(dc)
12
MOTOROLA
4
1SMA5913BT3 through 1SMA5945BT3
Rating and Typical Characteristic Curves (TA = 25
C)
TA = 25
C
PW (ID) IS DEFINED AS THE
POINT WHERE THE PEAK CURRENT
DECAYS TO 50% OF Ipp.
= 10
s
PEAK VALUE
Ippm
HALF VALUE Ipp/2
10/1000
s WAVEFORM
AS DEFINED BY R.E.A.
td
1000
Figure 6. Capacitance Curve
Figure 7. Typical Pulse Rating Curve
BREAKDOWN VOLTAGE (VOLTS)
Figure 8. Pulse Waveform
Figure 9. Pulse Waveform
10
100
100
10
0.01
10
0.1
1
10
1
0.1
0.01
TP, PULSE WIDTH (ms)
120
100
80
60
40
0
0
1
2
3
4
t, TIME (ms)
120
0
0.1
t, TIME (ms)
MEASURED @
ZERO BIAS
MEASURED @
VZ/2
TJ = 25
C
C, CAP
ACIT
ANCE (pF)
P
pk
I ppm
, PEAK PULSE CURRENT
(%)
NONREPETITIVE, EXPONENTIAL
PULSE WAVEFORM, TJ = 25
C
20
5
100
80
60
40
20
0.04
0.06
0.08
8/20
s WAVEFORM
AS DEFINED BY ANSI C62.1
AND IEC 8015.
0.5 IPEAK
0.9 IPEAK
0.1 IPEAK
T
T = 8
s
20
s
0
0.02
I ppm
, PEAK PULSE
CURRENT
(%)
, PEAK POWER (kW)
5
MOTOROLA
1SMA5913BT3 through 1SMA5945BT3
OUTLINE DIMENSIONS
CASE 403B01
ISSUE O
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
S
A
D
B
K
J
C
H
DIM
MIN
MAX
MIN
MAX
MILLIMETERS
INCHES
A
0.160
0.180
4.06
4.57
B
0.090
0.115
2.29
2.92
C
0.075
0.105
1.91
2.67
D
0.050
0.064
1.27
1.63
H
0.004
0.008
0.10
0.20
J
0.006
0.016
0.15
0.41
K
0.030
0.060
0.76
1.52
S
0.190
0.220
4.83
5.59
SMA
mm
inches
0.157
4.0
0.0787
2.0
0.0787
2.0
MOTOROLA
6
1SMA5913BT3 through 1SMA5945BT3
Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding
the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit, and
specifically disclaims any and all liability, including without limitation consequential or incidental damages. "Typical" parameters which may be provided in Motorola
data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including "Typicals"
must be validated for each customer application by customer's technical experts. Motorola does not convey any license under its patent rights nor the rights of
others. Motorola products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other
applications intended to support or sustain life, or for any other application in which the failure of the Motorola product could create a situation where personal injury
or death may occur. Should Buyer purchase or use Motorola products for any such unintended or unauthorized application, Buyer shall indemnify and hold Motorola
and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees
arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that
Motorola was negligent regarding the design or manufacture of the part. Motorola and are registered trademarks of Motorola, Inc. Motorola, Inc. is an Equal
Opportunity/Affirmative Action Employer.
How to reach us:
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1SMA5913BT3/D
*1SMA5913BT3/D*
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