General Semiconductor SMDA05C-8, SMDA12C-8, SMDA24C-8, SMDA15C-8 Datasheet
SMDA05C-8 THRU SMDA24C-8
14 8
17
0.337(8.55)
0.344(8.75)
0.150(3.80)
0.157(4.00)
0.228(5.80)
0.244(6.20)
0.013(.33)
0.020(.51)
0.050(1.27)
0.053(1.35)
0.069(1.75)
0.016 (0.40)
0.050(1.27)
0˚ - 8˚
0.010(0.25)
0.019(0.50)
x 45˚
0.007 (0.19)
0.009 (0.25)
0.004(0.10)
0.009(0.25)
SURFACE MOUNT DIODE ARRAY TRANSIENT VOLTAGE SUPPRESSOR
Stand-off V oltage - 5.0 to 24 Volts Peak Pulse Power - 300 Watts
SO-14/MS-012-AB
FEATURES
♦ Plastic package has Underwriters Laboratory Flammability
Classification 94V-0
♦ Offers ESD protection in accordance with IEC1000-4-2
(IEC801-2)
♦ Monolithic TVS junctions
♦ 300W peak pulse power surge capability
♦ Excellent clamping capability
♦ Protection of up to eight data lines
♦ Fast response time:typically less than 5.0ns from
0 volts to V
(BR)
♦ High temperature soldering guaranteed:
265°C for 5 seconds at terminals
MECHANICAL DATA
Case: JEDEC MS-012-AB molded plastic, over passivated junctions
Terminal: Plated, solderable per MIL-STD-750, Method 2026
Polarity: Bidirectional as marked
Mounting Position: Any
Dimensions in inches and (millimeters)
Weight: 0.07 ounce, 1.75 grams
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25°C ambient temperature unless otherwise specified.
RATING SYMBOL VALUE UNITS
Peak power dissipation with a 8.0/20µs waveform
Peak power pulse current with a SMDA05C-8 20.0
8.0/20µs waveform
Operating junction and storage temperature range TJ,T
NOTES:
(1) Non-repetitive current pulse, per Fig.3 and derated above TA=25°C per Fig. 2
(2) Mounted on copper pad areas of 0.045 x 0.030" (1.14 x 0.076mm) per leg
(NOTE 1)
(NOTE 1, FIG 1)
SMDA12C-8 I
P
PPM
PPM
SMDA15C-8 12.0
SMDA24C-8 7.5
STG
BIDIRECTIONAL APPLICATIONS
All electrical characteristics apply in both directions
Minimum 300 Watts
15.0 Amps
-50 to +125 °C
ELECTRICAL CHARACTERISTICS at 25°C
0.045 ± 0.005
(1.14 ± .127)
.245 (6.22)
min
0.030 ± 0.005
(.762 ± .127)
0.050 typ.
(.127)
0.160 ± 0.005
(4.06 ± .127)
100ns
1
µ
s
10
µ
s
100
µ
s 1ms 10ms
0.01
0.1
1
10
0 25 50 75 100 125 150 175 200
0
25
50
75
100
0 1020304050607080
0
50
100
150
MINIMUM MAXIMUM MAXIMUM MAXIMUM MAXIMUM
PART MARKING STAND-OFF VOLTAGE at IT=1.0mA VOLTAGE VOLTAGE LEAKAGE CAPACITANCE
NUMBER CODE VOLTAGE (NOTE 1) at I
BIDIRECTIONAL
SMDA05C-8 SEB 5.0 6.0* 9.8 11.0 100.0 350
SMDA12C-8 SED 12.0 13.4 19.0 24.0 1.0 150
SMDA15C-8 SEF 15.0 16.7 24.0 30.0 1.0 120
SMDA24C-8 SEH 24.0 26.7 43.0 55.0 1.0 100
DEVICE BREAKDOWN CLAMPING CLAMPING REVERSE JUNCTION
= 1A at I
PP
V
WM
V
(BR)
V
C (NOTE 2)
Volts Volts Volts Volts
5A CURRENT at V
PP =
V
C (NOTE 2)
WM (NOTE 3)
I
D
µµ
ApF
C
J
NOTES:
measured at pulse width of 300µs sq. wave or equivalent
(1) V
(BR)
(2) Surge current waveform per Fig. 3 and derate per Fig. 2
(3) Junction capacitance measured at 1.0 MH
test current (IT) is 10 mA
* V
(BR)
and applied VR=0 volts
Z
CIRCUIT DIAGRAM* - top view
GND
14
1
GND
*SMDA05C-8 is common anode configuration
N/C
N/C
RATING AND CHARACTERISTIC CURVES FOR SMDA05C-8 THRU SMDA24C-8
FIG. 1 - PEAK PULSE POWER RATING CURVE
GND
8
7
GND
*Application note: Due to the topology of the SMDA array the V
apply to the differential voltage between any two data line pins. Hence the SMDA12C-8 is
designed to “see” a maximum voltage excursion of ± 6 volts between any two data lines.
RWM
and V
specifications also
(BR)
SOLDER PAD GEOMETRY
Dimensions in inches and (millimeters)
FIG. 2 - PULSE DERATING CURVE
, PEAK PULSE POWER, kW
PPM
P
WAVEFORM - SEE FIG. 3
NON-REPETITIVE
td, PULSE DURATION, sec.
, PEAK PULSE CURRENT, %
PPM
I
td
OF PEAK PULSE OR CURENT, %
PEAK PULSE IN DERATING IN OF
FIG. 3 - PULSE WAVEFORM
PULSE DURATION
tr=8.0 µ sec
PEAK VALUE I
HALF VALUE - I
PP
8/20µs WAVEFORM AS
DEFINED BY ANSI/EEE C62.35
(td) IS DEFINED as
the POINT WHERE
the PEAK CURRENT
DECAYS to50%
of I
PP
2
PP
t, TIME, µs
TA, AMBIENT TEMPERATURE, °C
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