1sma5913bt3rev1.pdf

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MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Order this document
by 1SMA5913BT3/D
1SMA5913BT3
through
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: 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
1SMA5945BT3
PLASTIC SURFACE
MOUNT ZENER
DIODES
1.5 WATTS
3.3–68 VOLTS
SMA
CASE 403B–01
PLASTIC
MAXIMUM RATINGS AND CHARACTERISTICS
Rating
DC Power Dissipation @ TL = 75°C (Note 1)
Derate above 75°C
DC Power Dissipation @ TA = 25°C (Note 1)
Derate above 25°C
Thermal Resistance from Junction to Lead
Thermal Resistance from Junction to Ambient
Peak Forward Surge @ TA = 25°C, (JEDEC Method, Note 3)
Typical Ppk Dissipation @ TL < 25°C, (Note 2, PW–10/1000
µs
per Figure 8)
Typical Ppk Dissipation @ TL < 25°C, (Note 2, PW–8/20
µs
per Figure 9)
Operating and Storage Junction Temperature Range
Symbol
PD
PD
R
θJL
R
θJA
IFSM
Ppk
Ppk
TJ, Tstg
Value
1.5
20
900
7.2
29
111
20
200
1000
150
Unit
Watts
mW/°C
mW
mW/°C
°C/W
°C/W
Amps
Watts
Watts
°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
©
Motorola, Inc. 1996
1SMA5913BT3 through 1SMA5945BT3
MOTOROLA
1
ELECTRICAL CHARACTERISTICS
(VF = 1.5 Volts @ IF = 200 mA for all types)
Max Zener Impedance
Device
Nominal Zener
Voltage VZ @
IZT Volts
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.2
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
Test
Current
IZT mA
113.6
104.2
96.1
87.2
79.8
73.5
66.9
60.5
55.1
50
45.7
41.2
37.5
34.1
31.2
28.8
25
23.4
20.8
18.7
17
15.6
13.9
12.5
11.4
10.4
9.6
8.7
8.0
7.3
6.7
6.0
5.5
ZZT @ IZT
Ohms
10
9.0
7.5
6.0
5.0
4.0
2.0
2.0
2.5
3.0
3.5
4.0
4.5
5.5
6.5
7.0
9.0
10
12
14
17.5
19
23
26
33
38
45
53
67
70
86
100
120
ZZK
Ohms
500
500
500
500
500
350
250
200
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
IZK
mA
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
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
Max Reverse Leakage Current
IR
µA
50
35.5
12.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
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
0.5
0.5
VR
Volts
1.0
1.0
1.0
1.0
1.5
2.0
3.0
4.0
5.2
6.5
6.8
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
Max DC
Zener Current
IZM
mAdc
455
417
385
349
319
294
268
242
221
200
183
165
150
136
125
115
100
94
83
75
68
63
56
50
45
42
38
35
32
29
27
24
22
Devce Marking
1SMA5913BT3
1SMA5914BT3
1SMA5915BT3
1SMA5916BT3
1SMA5917BT3
1SMA5918BT3
1SMA5919BT3
1SMA5920BT3
1SMA5921BT3
1SMA5922BT3
1SMA5923BT3
1SMA5924BT3
1SMA5925BT3
1SMA5926BT3
1SMA5927BT3
1SMA5928BT3
1SMA5929BT3
1SMA5930BT3
1SMA5931BT3
1SMA5932BT3
1SMA5933BT3
1SMA5934BT3
1SMA5935BT3
1SMA5936BT3
1SMA5937BT3
1SMA5938BT3
1SMA5939BT3
1SMA5940BT3
1SMA5941BT3
1SMA5942BT3
1SMA5943BT3
1SMA5944BT3
1SMA5945BT3
813B
814B
815B
816B
817B
818B
819B
820B
821B
822B
823B
824B
825B
826B
827B
828B
829B
830B
831B
832B
833B
834B
835B
836B
837B
838B
839B
840B
841B
842B
843B
844B
845B
NOTE: Tolerance and Voltage Designation Tolerance designation – The type number listed indicates a tolerance of
±5%.
MOTOROLA
2
1SMA5913BT3 through 1SMA5945BT3
Rating and Typical Characteristic Curves (TA = 25°C)
4
100
PD , MAXIMUM POWER DISSIPATION (WATTS)
IZ, ZENER CURRENT (mA)
125
150
3.2
10
2.4
TL
1.6
1
0.8
0
0
25
TA
0.1
50
75
100
T, TEMPERATURE (°C)
0
2
4
6
VZ, ZENER VOLTAGE (VOLTS)
8
10
Figure 1. Steady State Power Derating
Figure 2. VZ – 3.3 thru 10 Volts
8
6
4
2
0
–2
–4
2
VZ @ IZT
θ
VZ , TEMPERATURE COEFFICIENT (mV/
°
C)
θ
VZ , TEMPERATURE COEFFICIENT (mV/
°
C)
10
100
VZ @ IZT
4
6
8
VZ, ZENER VOLTAGE (VOLTS)
10
12
10
10
VZ, ZENER VOLTAGE (VOLTS)
100
Figure 3. Zener Voltage – 3.3 to 12 Volts
Figure 4. Zener Voltage – 14 to 68 Volts
ZZ, DYNAMIC IMPEDANCE (OHMS)
100
IZ(dc) = 1 mA
10
10 mA
IZ(rms) = 0.1 IZ(dc)
100
VZ, ZENER VOLTAGE (VOLTS)
20 mA
10
Figure 5. Effect of Zener Voltage
1SMA5913BT3 through 1SMA5945BT3
MOTOROLA
3
Rating and Typical Characteristic Curves (TA = 25°C)
1000
MEASURED @
ZERO BIAS
MEASURED @
VZ/2
10
NONREPETITIVE, EXPONENTIAL
PULSE WAVEFORM, TJ = 25°C
1
100
Ppk , PEAK POWER (kW)
100
C, CAPACITANCE (pF)
0.1
TJ = 25°C
10
10
BREAKDOWN VOLTAGE (VOLTS)
0.01
0.01
0.1
1
TP, PULSE WIDTH (ms)
10
Figure 6. Capacitance Curve
Figure 7. Typical Pulse Rating Curve
120
Ippm, PEAK PULSE CURRENT (%)
100
80
60
40
20
0
TA = 25°C
= 10
µs
PW (ID) IS DEFINED AS THE
POINT WHERE THE PEAK CURRENT
PEAK VALUE DECAYS TO 50% OF Ipp.
Ippm
HALF VALUE – Ipp/2
10/1000
µs
WAVEFORM
AS DEFINED BY R.E.A.
td
0
1
2
3
t, TIME (ms)
4
5
120
100
Ippm, PEAK PULSE
0.9 IPEAK
CURRENT (%)
80
60
40
20
0.1 IPEAK
T = 8
µs
0
0
T
20
µs
0.02
0.04
0.06
t, TIME (ms)
0.08
0.1
8/20
µs
WAVEFORM
AS DEFINED BY ANSI C62.1
AND IEC 801–5.
0.5 IPEAK
Figure 8. Pulse Waveform
Figure 9. Pulse Waveform
MOTOROLA
4
1SMA5913BT3 through 1SMA5945BT3
OUTLINE DIMENSIONS
S
A
0.157
4.0
0.0787
2.0
D
B
0.0787
2.0
inches
mm
SMA
C
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
INCHES
MIN
MAX
0.160
0.180
0.090
0.115
0.075
0.105
0.050
0.064
0.004
0.008
0.006
0.016
0.030
0.060
0.190
0.220
MILLIMETERS
MIN
MAX
4.06
4.57
2.29
2.92
1.91
2.67
1.27
1.63
0.10
0.20
0.15
0.41
0.76
1.52
4.83
5.59
K
J
H
DIM
A
B
C
D
H
J
K
S
CASE 403B–01
ISSUE O
1SMA5913BT3 through 1SMA5945BT3
MOTOROLA
5

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