MOTOROLA 1SMA78AT3

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by 1SMA5.0AT3/D
SEMICONDUCTOR TECHNICAL DATA
Specification Features:
• Reverse Stand–Off Voltage Range: 5.0 – 78 V
• Peak Power — 400 Watts @ 1.0 ms
PLASTIC SURFACE MOUNT
ZENER OVERVOLTAGE
TRANSIENT SUPPRESSORS
5.0 – 78 VOLTS VR
400 WATTS PEAK POWER
• ESD Rating of Class 3 (>16 kV) per Human Body Model
• Pico Seconds Response Time (0 V to BV)
• Flat Handling Surface for Accurate Placement
• Package Design for Top Side or Bottom Circuit Board Mounting
• Available in Tape and Reel
• Low Profile Package
Mechanical Characteristics:
• Case: Void–free, transfer-molded plastic
• Maximum Case Temperature for Soldering Purposes: 260°C for
10 seconds
SMA
CASE 403B–01
PLASTIC
• 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
Peak Power Dissipation @ TL = 25°C, PW = 10/1000 µs (Note 1)
Peak Forward Surge @ TA = 25°C (JEDEC Method, Note 2)
Symbol
Value
Unit
Ppk
400
Watts
IFSM
40
Amps
Thermal Resistance from Junction to Lead
RθJL
29
°C/W
Thermal Resistance from Junction to Ambient
RθJA
150
°C/W
VF
3.5
Volts
Instantaneous Forward Voltage @ 40 A
°C
Operating and Storage Junction Temperature Range
TJ, Tstg
150
* FR4 Board, using Motorola minimum recommended footprint, as shown in case 403B outline dimensions spec.
1. Non–repetitive current pulse.
2. Measured on 0.3 ms single half sine–wave or equivalent square wave, duty cycle = 4 pulse per minute maximum.
ELECTRICAL CHARACTERISTICS (VF = 3.5 Volts @ IF = 40 A for all types)
Breakdown Voltage
Maximum
Reverse Voltage
@ IRSM
(Clamping Voltage)
VRSM (Volts)
Maximum
Reverse
Surge Current
IRSM
(Amps)
Maximum
Reverse Leakage
@ VRWM
IR (µA)
D
Devce
Marking
D i
Device
Reverse
Stand–off
Voltage VRWM
(Volts)
1SMA5.0AT3
1SMA6.0AT3
1SMA6.5AT3
1SMA7.0AT3
5.0
6.0
6.5
7.0
6.4
6.67
7.22
7.78
10
10
10
10
9.2
10.3
11.2
12.0
43.5
38.8
35.7
33.3
400
400
250
250
QE
QG
QK
QM
1SMA7.5AT3
1SMA8.0AT3
1SMA8.5AT3
1SMA9.0AT3
7.5
8.0
8.5
9.0
8.33
8.89
9.44
10
1
1
1
1
12.9
13.6
14.4
15.4
31.0
29.4
27.8
26.0
50
25
5.0
2.5
QP
QR
QT
QV
VBR
Volts
(Min)
IT
mA
* TOLERANCE AND VOLTAGE DESIGNATION Tolerance designation – The type number listed indicates a tolerance of ±5%.
(continued)
REV 1
 Motorola, Inc. 1996
1SMA5.0AT3 through 1SMA78AT3
MOTOROLA
1
ELECTRICAL CHARACTERISTICS — continued (VF = 3.5 Volts @ IF = 40 A for all types)
D i
Device
Reverse
Stand–off
Voltage VRWM
(Volts)
1SMA10AT3
1SMA11AT3
1SMA12AT3
1SMA13AT3
Breakdown Voltage
Maximum
Reverse Voltage
@ IRSM
(Clamping Voltage)
VRSM (Volts)
Maximum
Reverse
Surge Current
IRSM
(Amps)
Maximum
Reverse Leakage
@ VRWM
IR (µA)
D
Devce
Marking
VBR
Volts
(Min)
IT
mA
10
11
12
13
11.1
12.2
13.3
14.4
1
1
1
1
17.0
18.2
19.9
21.5
23.5
22.0
20.1
18.6
2.5
2.5
2.5
2.5
QX
QZ
RE
RG
1SMA14AT3
1SMA15AT3
1SMA16AT3
1SMA17AT3
14
15
16
17
15.6
16.7
17.8
18.9
1
1
1
1
23.2
24.4
26.0
27.6
17.2
16.4
15.4
14.5
2.5
2.5
2.5
2.5
RK
RM
RP
RR
1SMA18AT3
1SMA20AT3
1SMA22AT3
1SMA24AT3
18
20
22
24
20
22.2
24.4
26.7
1
1
1
1
29.2
32.4
35.5
38.9
13.7
12.3
11.3
10.3
2.5
2.5
2.5
2.5
RT
RV
RX
RZ
1SMA26AT3
1SMA28AT3
1SMA30AT3
1SMA33AT3
26
28
30
33
28.9
31.1
33.3
36.7
1
1
1
1
42.1
45.4
48.4
53.3
9.5
8.8
8.3
7.5
2.5
2.5
2.5
2.5
SE
SG
SK
SM
1SMA36AT3
1SMA40AT3
1SMA43AT3
1SMA45AT3
36
40
43
45
40
44.4
47.8
50
1
1
1
1
58.1
64.5
69.4
72.2
6.9
6.2
5.8
5.5
2.5
2.5
2.5
2.5
SP
SR
ST
SV
1SMA48AT3
1SMA51AT3
1SMA54AT3
1SMA58AT3
48
51
54
58
53.3
56.7
60
64.4
1
1
1
1
77.4
82.4
87.1
93.6
5.2
4.9
4.6
4.8
2.5
2.5
2.5
2.5
SX
SZ
TE
TG
1SMA60AT3
1SMA64AT3
1SMA70AT3
1SMA75AT3
1SMA78AT3
60
64
70
75
78
66.7
71.1
77.8
83.3
86.7
1
1
1
1
1
96.8
103.0
113.0
121.0
126.0
4.1
3.9
3.5
3.3
3.2
2.5
2.5
2.5
2.5
2.5
TK
TM
TP
TR
TS
* TOLERANCE AND VOLTAGE DESIGNATION Tolerance designation – The type number listed indicates a tolerance of ±5%.
MOTOROLA
2
1SMA5.0AT3 through 1SMA78AT3
RATING AND TYPICAL CHARACTERISTIC CURVES
120
NONREPETITIVE
PULSE WAVEFORM
SHOWN IN FIGURE 2.
TA = 25°C
10
Ippm, PEAK PULSE CURRENT (%)
Ppk , PEAK POWER (kW)
100
1
0.1
10–4
100
80
60
0.01
0.1
tP, PULSE WIDTH (ms)
1
HALF VALUE – Ipp/2
40
10/1000 µs WAVEFORM
AS DEFINED BY R.E.A.
20
0
0.001
TA = 25°C
PW (ID) IS DEFINED AS THE
POINT WHERE THE PEAK CURRENT
PEAK VALUE DECAYS TO 50% OF Ipp.
Ippm
= 10 µs
10
td
0
1
3
5
4
t, TIME (ms)
Figure 1. Pulse Rating Curve
Figure 2. Pulse Waveform
120
PEAK PULSE DERATING IN % OF
PEAK POWER OR CURRENT
2
10,000
10 x 1000 WAVEFORM
AS DEFINED BY R.E.A.
100
MEASURED AT
ZERO BIAS
1,000
80
TJ = 25°C
f = 1 MHz
Vsig = 50 mVp–p
60
MEASURED AT
STAND–OFF
VOLTAGE, VWM
100
40
20
0
10
0
40
80
120
160
TA, AMBIENT TEMPERATURE (°C)
200
1
PD , MAXIMUM POWER DISSIPATION (WATTS)
Figure 3. Pulse Derating Curve
2
5
10
20
50
V(BR), BREAKDOWN VOLTAGE (VOLTS)
100 200
Figure 4. Typical Junction Capacitance
6
5
4
TL
3
2
1
TA
0
0
50
100
T, TEMPERATURE (°C)
150
Figure 5. Steady State Power Derating
1SMA5.0AT3 through 1SMA78AT3
MOTOROLA
3
OUTLINE DIMENSIONS
0.157
4.0
S
A
0.0787
2.0
D
B
0.0787
2.0
inches
mm
SMA
C
K
H
J
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
DIM
A
B
C
D
H
J
K
S
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
CASE 403B–01
ISSUE O
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;
P.O. Box 20912; Phoenix, Arizona 85036. 1–800–441–2447 or 602–303–5454
JAPAN: Nippon Motorola Ltd.; Tatsumi–SPD–JLDC, 6F Seibu–Butsuryu–Center,
3–14–2 Tatsumi Koto–Ku, Tokyo 135, Japan. 03–81–3521–8315
MFAX: [email protected] – TOUCHTONE 602–244–6609
INTERNET: http://Design–NET.com
ASIA/PACIFIC: Motorola Semiconductors H.K. Ltd.; 8B Tai Ping Industrial Park,
51 Ting Kok Road, Tai Po, N.T., Hong Kong. 852–26629298
MOTOROLA
4
◊
*1SMA5.0AT3/D*
1SMA5.0AT3/D
1SMA5.0AT3 through 1SMA78AT3