Transient
Voltage Suppressors
SMA
Series
MERITEK
UL E223045
F
EATURES
For surface mounted applications in order to optimize board space.
Low profile package.
Built-in strain relief.
Glass passivated junction.
Low inductance.
Excellent clamping capability.
Repetition Rate (duty cycle): 0.01%.
Fast response time: typically less than 1.0ps from 0
volt
to V
BR
for
Unidirectional
types.
Typical I
R
less than 1μA above 10V.
High Temperature soldering: 260°C/10 seconds at terminals.
SMA/DO-214AC
M
ECHANICAL
D
ATA
DO-214AC. Molded plastic
Case: JEDEC DO--201 Molded Plastic.
over glass passivated junction.
Terminal:
Axial
plated, solderable per MIL-STD-750, Method 2026.
Terminals:
Solder
leads, solderable per MIL-STD-750, Method 2026.
band denotes cathode except Bidirectional.
Polarity: Color and denotes chode except Bipolar.
Standard
Position: Any.
Mounting
Packaging: 12mm tape (EIA STD RS-481).
Weight: 0.002 ounce, 0.061 grams.
D
EVICES
F
OR
B
IPOLAR
A
PPLICATION
For
Bidirectional
use CA suffix for type
P4SMA6.8CA
through type
P4SMA550CA;
Electrical
characteristics apply in both directions.
M
AXIMUM
R
ATINGS
A
ND
C
HARACTERISTICS
Ratings at 25
ambient temperature unless otherwise specified.
RATING
Peak Pulse Power Dissipation on 10/1000 s waveform. (Note 1,
Note 2,
Fig. 1)
Peak Pulse Current on 10/1000 s waveform. (Note 1 Fig. 3)
Steady State Power Dissipation at T
L
=75
(Note
2,
Fig. 5)
Peak Forward Surge Current 8.3ms Single Half Sine-Wave Superimposed
on Rated Load.
(JEDEC
Method) (Note
3,
Fig. 6)
Operating junction and Storage Temperature Range
.
Lead length .375” (9.5mm).
SYMBOL
P
PPM
VALUE
Minimum
400
See
Table
3.3
40
-65 to
+150
UNIT
Watts
Amps
Watts
I
PPM
P
M(AV)
I
FSM
T
J
, T
STG
Amps
Notes: 1. Non-repetitive current pulse, per Fig. 3 and derated above T
A
= 25 per Fig. 2.
N
2. Mounted on 5.0mm x 5.0mm (0.03mm thick) Copper Pads to each terminal
.
2
3. 8.3ms single half sine-wave, or equivalent square wave, Duty cycle = 4 pulses per minute maximum.
.
All specifications are subject to change without notice.
1
Rev 7
Transient
Voltage Suppressors
SMA
Series
MERITEK
P
ACKAGE
D
IMENSIONS
Cathode Band
t
s
D1 D
d
L
T
T1
SMA/DO-214AC
Item
L
D
D1
T
T1
d
s
t
Millimeters
Min.
3.99
2.54
1.25
4.93
0.76
-
1.98
0.152
Max.
4.50
2.79
1.65
5.28
1.52
0.203
2.29
0.305
Min.
0.157
0.100
0.049
0.194
0.030
-
0.078
0.006
Inches
Max.
0.177
0.110
0.065
0.208
0.060
0.008
0.090
0.012
S
PECIFICATIONS
Part Number
Maximum
Peak Reverse
Device Reverse Breakdown Breakdown
Test Clamping
Pulse Leakage
Voltage
Marking Stand-Off Voltage
Current Voltage
Current @V
RWM
@I
T
@I
T
Code
Voltage
@I
PP
UNI
BI
UNI-POLAR
BI-POLAR
V
RWM
(V)
5.80
6.40
7.02
7.78
8.55
9.40
10.20
11.10
12.80
13.60
15.30
17.10
18.80
20.50
23.10
V
BR MIN.
(V)
6.45
7.13
7.79
8.65
9.50
10.50
11.40
12.40
14.30
15.20
17.10
19.00
20.90
22.80
25.70
2
V
BR MAX.
(V)
7.14
7.88
8.61
9.55
10.50
11.60
12.60
13.70
15.80
16.80
18.90
21.00
23.10
25.20
28.40
I
T
(mA)
10
10
10
1
1
1
1
1
1
1
1
1
1
1
1
V
C
(V)
10.5
11.3
12.1
13.4
14.5
15.6
16.7
18.2
21.2
22.5
25.5
27.7
30.6
33.2
37.5
I
PP
(A)
39.0
36.3
33.9
30.6
28.3
26.3
24.6
22.5
19.3
18.2
16.1
14.8
13.4
12.3
10.9
I
R
(μA)
1000
500
200
50
10
5
5
1
1
1
1
1
1
1
1
Rev 7
P4SMA6.8A
P4SMA7.5A
P4SMA8.2A
P4SMA9.1A
P4SMA10A
P4SMA11A
P4SMA12A
P4SMA13A
P4SMA15A
P4SMA16A
P4SMA18A
P4SMA20A
P4SMA22A
P4SMA24A
P4SMA27A
P4SMA6.8CA 6V8A 6V8C
P4SMA7.5CA 7V5A 7V5C
P4SMA8.2CA 8V2A 8V2C
P4SMA9.1CA 9V1A 9V1C
P4SMA10CA
P4SMA11CA
P4SMA12CA
P4SMA13CA
P4SMA15CA
P4SMA16CA
P4SMA18CA
P4SMA20CA
P4SMA22CA
P4SMA24CA
P4SMA27CA
10A 10C
11A 11C
12A 12C
13A 13C
15A 15C
16A 16C
18A 18C
20A 20C
22A 22C
24A 24C
27A 27C
Transient
Voltage Suppressors
SMA
Series
MERITEK
Maximum
Peak Reverse
Device Reverse Breakdown Breakdown
Test Clamping
Pulse Leakage
Voltage
Marking Stand-Off Voltage
Current Voltage
Current @V
RWM
@I
T
@I
T
Code
Voltage
@I
PP
UNI
BI
Part Number
UNI-POLAR
BI-POLAR
V
RWM
(V)
25.60
28.20
30.80
33.30
36.80
40.20
43.60
47.80
53.00
58.10
64.10
70.10
77.80
85.50
94.00
102.00
111.00
128.00
136.00
145.00
154.00
171.00
185.00
214.00
256.00
300.00
342.00
376.00
408.00
434.00
477.00
486.00
495.00
V
BR MIN.
(V)
28.50
31.40
34.20
37.10
40.90
44.70
48.50
53.20
58.90
64.60
71.30
77.90
86.50
95.00
105.00
114.00
124.00
143.00
152.00
162.00
171.00
190.00
209.00
237.00
285.00
332.00
380.00
418.00
456.00
485.00
503.50
513.00
522.50
V
BR MAX.
(V)
31.50
34.70
37.80
41.00
45.20
49.40
53.60
58.80
65.10
71.40
78.80
86.10
95.50
105.00
116.00
126.00
137.00
158.00
168.00
179.00
189.00
210.00
231.00
263.00
315.00
368.00
420.00
462.00
504.00
535.00
556.50
567.00
577.50
I
T
(mA)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
V
C
(V)
41.4
45.7
49.9
53.9
59.3
64.8
70.1
77.0
85.0
92.0
103.0
113.0
125.0
137.0
152.0
165.0
179.0
207.0
219.0
234.0
246.0
274.0
328.0
344.0
414.0
482.0
548.0
602.0
658.0
698.0
725.0
740.0
760.0
I
PP
(A)
9.9
9.0
8.2
7.6
6.9
6.3
5.8
5.3
4.8
4.5
4.0
3.6
3.3
3.0
2.7
2.5
2.3
2.0
1.9
1.8
1.7
1.5
1.3
1.2
1.0
0.9
0.8
0.7
0.6
0.6
0.6
0.5
0.5
I
R
(μA)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
P4SMA30A
P4SMA33A
P4SMA36A
P4SMA39A
P4SMA43A
P4SMA47A
P4SMA51A
P4SMA56A
P4SMA62A
P4SMA68A
P4SMA75A
P4SMA82A
P4SMA91A
P4SMA30CA
P4SMA33CA
P4SMA36CA
P4SMA39CA
P4SMA43CA
P4SMA47CA
P4SMA51CA
P4SMA56CA
P4SMA62CA
P4SMA68CA
P4SMA75CA
P4SMA82CA
P4SMA91CA
30A 30C
33A 33C
36A 36C
39A 39C
43A 43C
47A 47C
51A 51C
56A 56C
62A 62C
68A 68C
75A 75C
82A 82C
91A 91C
P4SMA100A P4SMA100CA 100A 100C
P4SMA110A P4SMA110CA 110A 110C
P4SMA120A P4SMA120CA 120A 120C
P4SMA130A P4SMA130CA 130A 130C
P4SMA150A P4SMA150CA 150A 150C
P4SMA160A P4SMA160CA 160A 160C
P4SMA170A P4SMA170CA 170A 170C
P4SMA180A P4SMA180CA 180A 180C
P4SMA200A P4SMA200CA 200A 200C
P4SMA220A P4SMA220CA 220A 220C
P4SMA250A P4SMA250CA 250A 250C
P4SMA300A P4SMA300CA 300A 300C
P4SMA350A P4SMA350CA 350A 350C
P4SMA400A P4SMA400CA 400A 400C
P4SMA440A P4SMA440CA 440A 440C
P4SMA480A P4SMA480CA 480A 480C
P4SMA510A P4SMA510CA 510A 510C
P4SMA530A P4SMA530CA 530A 530C
P4SMA540A P4SMA540CA 540A 540C
P4SMA550A P4SMA550CA 550A 550C
Note: For Bidirectional type having V
RWM
of 10 volts and less,the I
R
limit doubles.
3
Rev 7
Transient
Voltage Suppressors
SMA
Series
MERITEK
R
ATING AND
C
HARACTERISTIC
C
URVES
Figure 1 - Peak Pulse Power Rating Curve
10
(T
A
: 25°C UNLESS OTHERWISE SPECIFIED)
Figure 2 - Pulse Derating Curve
100
80
60
40
20
0
1
0.1
0.000001
0.00001
0.0001
0.001
Peak Pulse Power (P
PP
) or Current (I
PP
)
Derating in Percentage %
P
PPM
-Peak Pulse Power (kW)
0
25
50
75
100
125
150
175
t
d
-Pulse Width (sec.)
T
A
-Ambient temperature (ºC)
Figure 3 - Pulse Waveform
150
I
I - Peak Pulse Current, %
RSM
PPM
tr=10µsec
Peak Value
I
PPM
T J =25°C
Pulse Width(td) is defined
as the point where the peak
current decays to 50% of PPM
I
Figure 4 - Typical Junction Capacitance
10000
Bi-directional V=0V
1000
Cj (pF)
Uni-directional @V
R
Uni-directional V=0V
100
Half Value
I
PPM
I
PPM
(
2
)
100
Bi-directional @V
R
50
10/1000µsec. Waveform
as defined by R.E.A
10
td
Tj=25ºC
f=1.0MHz
Vsig=50mVp-p
0
0
1.0
2.0
t-Time (ms)
3.0
4.0
1
1.0
10.0
100.0
1000.0
V
BR
- Reverse Breakdown Voltage (V)
Figure 5 - Steady State Power Dissipation Derating Curve
1.2
Figure 6 - Maximum Non-Repetitive Forward
Surge Current Uni-Directional Only
45
I
FSM
- Peak Forward Surge Current (A)
P
M(AV)
, Steady State Power Dissipation
(W)
1
0.8
0.6
0.4
0.2
0
0
25
50
75
100
125
150
175
T
A
- Ambient Temperature (ºC)
40
35
30
25
20
15
10
5
0
1
10
Number of Cyles at 60 Hz
100
4
Rev 7
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