P4SMA6.8A Series
Vishay Semiconductors
formerly General Semiconductor
Surface Mount T
RANS
Z
ORB
®
Transient Voltage Suppressors
DO-214AC
(SMA)
0.065 (1.65)
0.049 (1.25)
Cathode Band
0.110 (2.79)
0.100 (2.54)
0.177 (4.50)
0.157 (3.99)
ded ge*
ten an
Ex e R
ltag
Vo
Dimensions in inches
and (millimeters)
V
(BR)
Unidirectional
6.8 to 540V
V
(BR)
Bidirectional
6.8 to 220V
Peak Pulse Power
400W
Mounting Pad Layout
0.094 MAX.
(2.38 MAX.)
0.066 MIN.
(1.68 MIN.)
0.012 (0.305)
0.006 (0.152)
0.090 (2.29)
0.078 (1.98)
0.052 MIN.
(1.32 MIN.)
0.220
(5.58) REF
0.008 (0.203) MAX.
0.208 (5.28)
0.194 (4.93)
0.060 (1.52)
0.030 (0.76)
Features
• Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
• Optimized for LAN protection applications
• Ideal for ESD protection of data lines in accordance with
IEC 1000-4-2 (IEC801-2)
• Ideal for EFT protection of data lines in accordance with
IEC1000-4-4 (IEC801-4)
• Low profile package with built-in strain relief for
surface mounted applications
• Glass passivated junction
• Low incremental surge resistance, excellent clamping
capability
• 400W peak pulse power capability with a 10/1000µs wave-
form, repetition rate (duty cycle): 0.01% (300W above 91V)
• Very Fast response time
Mechanical Data
Case:
JEDEC DO-214AC molded plastic over
passivated chip
Terminals:
Solder plated, solderable per MIL-STD-750,
Method 2026. High temperature soldering guaranteed:
250°C/10 seconds at terminals.
Polarity:
For uni-directional types the band denotes the
cathode, which is positive with respect to the anode
under normal TVS operation.
Mounting Position:
Any
Weight:
0.002oz., 0.064g
Packaging Codes – Options (Antistatic):
51 – 1K per Bulk box, 20K/carton
61 – 1.8K per 7” plastic Reel (12mm tape), 36K/carton
5A – 7.5K per 13” plastic Reel (12mm tape), 75K/carton
*
Voltages above 220V available Q2-2002
Devices for Bidirectional Applications
For bi-directional devices, use suffix CA (e.g. P4SMA10CA). Electrical characteristics apply in both directions.
Maximum Ratings & Thermal Characteristics
Ratings at 25°C ambient temperature unless otherwise specified.
Parameter
Peak power dissipation with a 10/1000µs waveform
(1)(2)
(Fig. 1)
Peak pulse current with a 10/1000µs waveform
(1)
(Fig. 3)
Power dissipation on infinite heatsink, T
A
= 50°C
Peak forward surge current 8.3ms single half sine-wave
uni-directional only
(2)
Thermal resistance junction to ambient air
(3)
Thermal resistance junction to leads
Operating junction and storage temperature range
Symbol
P
PPM
I
PPM
P
M(AV)
I
FSM
R
θJA
R
θJL
T
J
, T
STG
Value
400
See Next Table
1.0
40
120
30
–65 to +150
Unit
W
A
W
A
°C/W
°C/W
°C
Notes:
(1) Non-repetitive current pulse, per Fig. 3 and derated above T
A
= 25°C per Fig. 2. Rating is 300W above 91V.
(2) Mounted on 0.2 x 0.2” (5.0 x 5.0mm) copper pads to each terminal
(3) Mounted on minimum recommended pad layout
Document Number 88367
9-Apr-02
www.vishay.com
1
P4SMA6.8A Series
Vishay Semiconductors
formerly General Semiconductor
Electrical Characteristics
Ratings at 25°C ambient temperature unless otherwise specified. V
General
Semiconductor
Part Number
P4SMA6.8A
P4SMA7.5A
P4SMA8.2A
P4SMA9.1A
P4SMA10A
P4SMA11A
P4SMA12A
P4SMA13A
P4SMA15A
P4SMA16A
P4SMA18A
P4SMA20A
P4SMA22A
P4SMA24A
P4SMA27A
P4SMA30A
P4SMA33A
P4SMA36A
P4SMA39A
P4SMA43A
P4SMA47A
P4SMA51A
P4SMA56A
P4SMA62A
P4SMA68A
P4SMA75A
P4SMA82A
P4SMA91A
P4SMA100A
P4SMA110A
P4SMA120A
P4SMA130A
P4SMA150A
P4SMA160A
P4SMA170A
P4SMA180A
P4SMA200A
P4SMA220A
P4SMA250A
P4SMA300A
P4SMA350A
P4SMA400A
P4SMA440A
P4SMA480A
P4SMA510A
P4SMA540A
Notes:
(1)
(2)
(3)
(4)
F
= 3.5V at I
F
= 25A (uni-directional only)
Device Marking
Code
UNI
6V8A
7V5A
8V2A
9V1A
10A
11A
12A
13A
15A
16A
18A
20A
22A
24A
27A
30A
33A
36A
39A
43A
47A
51A
56A
62A
68A
75A
82A
91A
100A
110A
120A
130A
150A
160A
170A
180A
200A
220A
250A
300A
350A
400A
440A
480A
510A
540A
BI
6V8C
7V5C
8V2C
9V1C
10C
11C
12C
13C
15C
16C
18C
20C
22C
24C
27C
30C
33C
36C
39C
43C
47C
51C
56C
62C
68C
75C
82C
91C
100C
110C
120C
130C
150C
160C
170C
180C
200C
220C
—
—
—
—
—
—
—
—
Breakdown Voltage
V
(BR)
at I
T
(1)
(V)
Min
6.45
7.13
7.79
8.65
9.50
10.5
11.4
12.4
14.3
15.2
17.1
19.0
20.9
22.8
25.7
28.5
31.4
34.2
37.1
40.9
44.7
48.5
53.2
58.9
64.6
71.3
77.9
86.5
95.0
105
114
124
143
152
162
171
190
209
237
285
333
380
418
456
485
513
Max
7.14
7.88
8.61
9.55
10.5
11.6
12.6
13.7
15.8
16.8
18.9
21.0
23.1
25.2
28.4
31.5
34.7
37.8
41.0
45.2
49.4
53.6
58.8
65.1
71.4
78.8
86.1
95.5
105
116
126
137
158
168
179
189
210
231
263
315
368
420
462
504
535
567
Test
Current
I
T
(mA)
10
10
10
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
Stand-off
Voltage
V
WM
(V)
5.80
6.40
7.02
7.78
8.55
9.40
10.2
11.1
12.8
13.6
15.3
17.1
18.8
20.5
23.1
25.6
28.2
30.8
33.3
36.8
40.2
43.6
47.8
53.0
58.1
64.1
70.1
77.8
85.5
94.0
102
111
128
136
145
154
171
185
214
256
300
342
376
408
434
459
Maximum
Reverse
Leakage
at V
WM
I
D
(4)
(µA)
1000
500
200
50
10
5.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
Maximum Maximum Maximum
Peak Pulse Clamping
Temp.
Current
Voltage at Coefficient
I
PPM
(2)
I
PPM
of V
(BR)
(A)
V
C
(V)
(% / °C)
38.1
35.4
33.1
29.9
27.6
25.6
24.0
22.0
18.9
17.8
15.9
14.4
13.1
12.0
10.7
9.7
8.8
8.0
7.4
6.7
6.2
5.7
5.2
4.7
4.3
3.9
3.5
3.2
2.2
2.0
1.8
1.7
1.4
1.4
1.3
1.2
1.1
0.9
0.87
0.73
0.62
0.55
0.50
0.46
0.43
0.41
10.5
11.3
12.1
13.4
14.5
15.6
16.7
18.2
21.2
22.5
25.2
27.7
30.6
33.2
37.5
41.4
45.7
49.9
53.9
59.3
64.8
70.1
77.0
85.0
92.0
104
113
125
137
152
165
179
207
219
234
246
274
328
344
414
482
548
602
658
698
740
0.057
0.061
0.065
0.068
0.073
0.075
0.078
0.081
0.084
0.086
0.089
0.090
0.092
0.09
0.096
0.097
0.098
0.099
0.100
0.101
0.101
0.102
0.103
0.104
0.104
0.105
0.105
0.106
0.106
0.107
0.107
0.107
0.106
0.108
0.108
0.108
0.108
0.108
0.110
0.110
0.110
0.110
0.110
0.110
0.110
0.110
Pulse test: t
p
≤
50ms
Surge current waveform per Fig. 3 and derate per Fig. 2
All terms and symbols are consistent with ANSI/IEEE CA62.35
For bidirectional types with V
R
10 Volts and less, the I
D
limit is doubled
www.vishay.com
2
Document Number 88367
9-Apr-02
P4SMA6.8A Series
Vishay Semiconductors
formerly General Semiconductor
Ratings and
Characteristic Curves
(T
A
= 25°C unless otherwise noted)
Fig. 1 – Peak Pulse Power Rating Curve
Peak Pulse Power (P
PP
) or Current (I
PPM
)
Derating in Percentage, %
100
100
Fig. 2 – Pulse Derating Curve
P
PPM
— Peak Pulse Power (kW)
Non-repetitive Pulse
Waveform shown in Fig. 3
T
A
= 25°C
10
75
P4SMA100A --
P4SMA220A
1
P4SMA6.8A --
P4SMA91A
50
25
0.2 x 0.2" (5.0 x 5.0mm)
Copper Pad Areas
0
0
25
50
75
100
125
150
175
200
0.2 x 0.2" (5.0 x 5.0mm)
Copper Pad Areas
0.1
0.1µs
1.0µs
10µs
100µs
1.0ms
10ms
t
d
— Pulse Width (sec.)
T
A
— Ambient Temperature (°C)
Fig. 3 – Pulse Waveform
150
10,000
Fig. 4 – Typical Junction Capacitance
C
J
— Junction Capacitance (pF)
T
J
= 25°C
f = 1.0MHz
Vsig = 50mVp-p
1,000
Measured at
Stand-Off
Voltage, V
WM
Uni-Directional
I
PPM
— Peak Pulse Current, % I
RSM
tr = 10µsec.
Peak Value
I
PPM
100
T
J
= 25°C
Pulse Width (td)
is defined as the point
where the peak current
decays to 50% of I
PPM
Half Value — IPP
2
I
PPM
50
10/1000µsec. Waveform
as defined by R.E.A.
100
Bi-Directional
td
0
10
0
1.0
2.0
3.0
4.0
1
10
100
200
t — Time (ms)
V
(BR)
— Breakdown Voltage (V)
Fig. 5 – Typical Transient Thermal
Impedance
I
FSM
— Peak Forward Surge Current (A)
1000
200
Fig. 6 - Maximum Non-Repetitive Forward
Surge Current Uni-Directional Only
T
J
= T
J
max.
8.3ms Single Half Sine-Wave
(JEDEC Method)
Transient Thermal Impedance (°C/W)
100
100
50
10
1
0.001
10
1
5
10
50
100
0.01
0.1
1
10
100
1000
t
p
— Pulse Duration (sec)
Document Number 88367
9-Apr-02
Number of Cycles at 60 Hz
www.vishay.com
3
