1
MOTOROLA
1SMA5913BT3 through 1SMA5945BT3
!! ! "
"!
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: Void–free, 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°CPD1.5
20 Watts
mW/°C
DC Power Dissipation @ TA = 25°C (Note 1)
Derate above 25°CPD900
7.2 mW
mW/°C
Thermal Resistance from Junction to Lead RθJL 29 °C/W
Thermal Resistance from Junction to Ambient RθJA 111 °C/W
Peak Forward Surge @ TA = 25°C, (JEDEC Method, Note 3) IFSM 20 Amps
Typical Ppk Dissipation @ TL < 25°C, (Note 2, PW–10/1000 µs per Figure 8) Ppk 200 Watts
Typical Ppk Dissipation @ TL < 25°C, (Note 2, PW–8/20 µs 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. Non–repetitive current pulse.
3. Measured on 8.3 ms single half sine–wave or equivalent square wave, duty cycle = 4 pulse per minute maximum.
REV 1
SEMICONDUCTOR TECHNICAL DATA Order this document
by 1SMA5913BT3/D
Motorola, Inc. 1996
!"
PLASTIC SURFACE
MOUNT ZENER
DIODES
1.5 WATTS
3.3–68 VOLTS
SMA
CASE 403B–01
PLASTIC
MOTOROLA
21SMA5913BT3 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
µAVR
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, TEMPERATURE COEFFICIENT (mV/ C)
°θ
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
PD, MAXIMUM POWER DISSIPATION (WATTS)
IZ, ZENER CURRENT (mA)
VZ, TEMPERATURE COEFFICIENT (mV/ C)
°θ
ZZ, DYNAMIC IMPEDANCE (OHMS)
3.2
2.4
1.6
0.8
00
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
1010 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
41SMA5913BT3 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
µ
s
PEAK VALUE
Ippm
HALF VALUE – Ipp/2
10/1000
µ
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
00 1 2 3 4
t, TIME (ms)
120
00.1
t, TIME (ms)
MEASURED @
ZERO BIAS
MEASURED @
VZ/2
TJ = 25
°
C
C, CAPACITANCE (pF)
Ppk
Ippm, 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
µ
s WAVEFORM
AS DEFINED BY ANSI C62.1
AND IEC 801–5.
0.5 IPEAK
0.9 IPEAK
0.1 IPEAK
T
T = 8
µ
s
20
µ
s
0 0.02
Ippm, PEAK PULSE
CURRENT (%) , PEAK POWER (kW)
5
MOTOROLA
1SMA5913BT3 through 1SMA5945BT3
OUTLINE DIMENSIONS
CASE 403B–01
ISSUE O
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
S
A
D B
KJ
C
H
DIM MIN MAX MIN MAX
MILLIMETERSINCHES
A0.160 0.180 4.06 4.57
B0.090 0.115 2.29 2.92
C0.075 0.105 1.91 2.67
D0.050 0.064 1.27 1.63
H0.004 0.008 0.10 0.20
J0.006 0.016 0.15 0.41
K0.030 0.060 0.76 1.52
S0.190 0.220 4.83 5.59
SMA
mm
inches
0.157
4.0
0.0787
2.0
0.0787
2.0
MOTOROLA
61SMA5913BT3 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:
USA/EUROPE/Locations Not Listed: Motorola Literature Distribution; JAPAN: Nippon Motorola Ltd.; Tatsumi–SPD–JLDC, 6F Seibu–Butsuryu–Center,
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INTERNET: http://Design–NET.com 51 Ting Kok Road, Tai Po, N.T., Hong Kong. 852–26629298
1SMA5913BT3/D
*1SMA5913BT3/D*
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