PSOT36LC-T7 [PROTEC]
ULTRA LOW CAPACITANCE TVS ARRAY; 超低电容TVS阵列
| 型号： | PSOT36LC-T7 |
| 厂家： | 
PROTEK DEVICES |
| 描述： | ULTRA LOW CAPACITANCE TVS ARRAY |
| 文件： | 总5页 (文件大小：67K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
PSOT03LC
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PSOT36LC
ULTRA LOW CAPACITANCE TVS ARRAY
APPLICATIONS
✔ Ethernet - 10/100 Base T
✔ Cellular Phones
✔ FireWire
✔ Audio/Video Inputs
✔ Portable Electronics
IEC COMPATIBILITY (EN61000-4)
✔ 61000-4-2 (ESD): Air - 15kV, Contact - 8kV
✔ 61000-4-4 (EFT): 40A - 5/50ns
SOT-23
✔ 61000-4-5 (Surge): 12A, 8/20µs - Level 1(Line-Gnd) & Level 2(Line-Line)
FEATURES
✔ ESD Protection > 40 kilovolts
✔ 500 Watts Peak Pulse Power per Line (tp=8/20µs)
✔ Low Clamping Voltage
✔ Available in 3V - 36V
✔ Ultra Low Capacitance: 5pF
✔ RoHS Compliant
MECHANICAL CHARACTERISTICS
✔ Molded JEDEC SOT-23 Package
✔ Weight 8 milligrams (Approximate)
✔ Available in Lead-Free Pure-Tin Plating(Annealed)
✔ Solder Reflow Temperature:
Pure-Tin - Sn, 100: 260-270°C
✔ Consult Factory for Leaded Device Availability
✔ Flammability Rating UL 94V-0
✔ 8mm Tape and Reel Per EIA Standard 481
✔ Marking: Marking Code
PIN CONFIGURATION
1
3
2
05066.R6 3/07
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PSOT36LC
DEVICE CHARACTERISTICS
MAXIMUM RATINGS @ 25°C Unless Otherwise Specified
PARAMETER
SYMBOL
VALUE
500
UNITS
Watts
°C
PPP
Peak Pulse Power (tp = 8/20µs) - See Figure 1
Operating Temperature
T
-55 to 150
-55 to 150
L
Storage Temperature
TSTG
°C
ELECTRICAL CHARACTERISTICS PER LINE @ 25°C Unless Otherwise Specified
PART
NUMBER
(Note 1)
DEVICE
MARKING
RATED
STAND-OFF
VOLTAGE
MINIMUM
BREAKDOWN
VOLTAGE
MAXIMUM
CLAMPING
VOLTAGE
(See Fig. 2)
MAXIMUM
CLAMPING
VOLTAGE
(See Fig. 2)
MAXIMUM
LEAKAGE
CURRENT
TYPICAL
CAPACITANCE
(See Note 2)
@ 1mA
V(BR)
VOLTS
@ IP = 1A
VC
VOLTS
@VWM
0V @ 1 MHz
VWM
VOLTS
@8/20µs
VC @ IPP
I
C
pF
µDA
PSOT03LC
PSOT05LC
PSOT08LC
PSOT12LC
PSOT15LC
PSOT24LC
PSOT36LC
03L
05L
08L
12L
15L
24L
36L
3.3
5.0
8.0
12.0
15.0
24.0
36.0
4.0
6.0
8.5
13.3
16.7
26.7
40.0
7.0
9.8
10.9V @ 43.0A
13.5V @ 42.0A
16.9V @ 34.0A
25.9V @ 21.0A
30.0V @ 17.0A
49.0V @ 12.0A
76.8V @ 9.0A
125
20
10
1
1
1
5
5
5
5
5
5
5
13.4
19.0
24.0
43.0
51.0
1
Note 1: Positive potential is applied from pin 1 to 2; pin 2 is ground.
Note 2: Do not test or surge from pin 2 to 1. PIV typically greater than 100V for the rectifier diode.
FIGURE 1
FIGURE 2
PEAK PULSE POWER VS PULSE TIME
PULSE WAVE FORM
120
100
10,000
1,000
TEST
tf
WAVEFORM
PARAMETERS
tf = 8µs
Peak Value IPP
e-t
500W 8/20µs Waveform
80
60
40
td = 20µs
100
10
td = t
IPP/2
20
0
0
5
10
15
20
25
30
0.1
1
10
100
1,000
10,000
t - Time - µs
td - Pulse Duration - µs
05066.R6 3/07
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PSOT36LC
GRAPHS
FIGURE 3
POWER DERATING CURVE
100
80
Peak Pulse Power
8/20µs
60
40
20
0
Average Power
0
25
50
75
100
125 150
TL - Lead Temperature - °C
FIGURE 4
OVERSHOOT & CLAMPING VOLTAGE FOR PSOT03LC
40
30
20
10
0
ESD Test Pulse: 7 kilovolt, 1/30ns (waveform)
FIGURE 5
TYPICAL CLAMPING VOLTAGE VS PEAK PULSE CURRENT FOR PSOT05LC
16
12
8
4
0
0
2
4
6
8
10
12
14
16
18
IPP - Peak Pulse Current - Amps
05066.R6 3/07
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PSOT03LC
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PSOT36LC
APPLICATION NOTE
The PSOTxxLC Series are low capacitance TVS arrays designed to protect I/O or data lines from the damaging effects of ESD or EFT. This product
series provides unidirectional & bidirectional protection, with a surge capability of 500 Watts PPP per line for an 8/20µs waveform and ESD protection
> 40 kilovolts.
BIDIRECTIONAL COMMON-MODE CONFIGRUATION (Figure 1)
Figure 1 - Common-Mode I/O Port Protection
Two PSOTxxLC devices, when used in paralell, provide protection in a
common-mode configuration as depicted in Figure 1.
I/O LINE
Circuit connectivity is as follows:
✔
✔
✔
✔
✔
I/O Line is connected to Device 1, Pin 1.
I/O Line is connect to Device 2, Pin 2.
Device 1, Pin 2 is connected to ground.
Device 2, Pin 1 is connected to ground.
Device 1 & 2, Pin 3 is not connected.
1
2
2
1
3
3
BIDIRECTIONAL DIFFERENTIAL-MODE CONFIGRUATION (Figure 1)
In addition, two PSOTxxLC devices, when used in paralell, provide
protection in a differential-mode configuration for Ethernet applications as
depicted in Figure 2.
Circuit connectivity is as follows:
GND
✔
✔
✔
✔
I/O Line 1 is connected to Device 1, Pin 1.
I/O Line 1 is connect to Device 2, Pin 2.
I/O Line 2 is connected to Device 1, Pin 1.
I/O Line 2 is connect to Device 2, Pin 2.
✔
Device 1 & 2, Pin 3 is not connected.
Figure 2 - Differential-Mode Ethernet Protection
I/O 1
CIRCUIT BOARD LAYOUT RECOMMENDATIONS
Circuit board layout is critical for Electromagnetic
Compatibility (EMC) protection. The following
guidelines are recommended:
1
2
2
1
3
3
✔
The protection device should be placed near the
input terminals or connectors, the device will
divert the transient current immediately before it
can be coupled into the nearby traces.
I/O 2
✔
✔
✔
The path length between the TVS device and the
protected line should be minimized.
All conductive loops including power and ground
loops should be minimized.
The transient current return path to ground
should be kept as short as possible to reduce
parasitic inductance.
✔
Ground planes should be used whenever
possible. For multilayer PCBs, use ground vias.
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PSOT03LC
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PSOT36LC
SOT-23 PACKAGE OUTLINE & DIMENSIONS
PACKAGEOUTLINE
SOT-23
A
L
0º - 10º
3
B
S
PACKAGE DIMENSIONS
MILLIMETERS
1
2
K
J
INCHES
DIM
MIN
MAX
MIN
MAX
A
B
C
D
G
H
J
2.80
1.20
0.89
0.37
1.78
0.013
0.085
0.45
0.89
2.10
0.45
3.04
1.40
1.11
0.1102
0.0472
0.0350
0.0150
0.0701
0.0005
0.0034
0.0180
0.0350
0.0830
0.0177
0.1197
0.0551
0.0440
0.0200
0.0807
0.0040
0.0070
0.0236
0.0401
0.0984
0.0236
V
G
0.50
2.04
0.100
0.177
0.60
1.02
2.50
0.60
C
K
L
H
D
S
V
NOTES
MOUNTING PAD
1. Dimensioning and tolerances per ANSI Y14.5M, 1985.
2. Controlling Dimension: Inches
0.037” (0.95mm)
3. Pin 3 is the cathode (Unidirectional Only).
4. Dimensions are exclusive of mold flash and metal burrs.
TAPE & REEL ORDERING NOMENCLATURE
1. Surface mount product is taped and reeled in accordance
with EIA-481.
2. Suffix-T7 = 7 Inch Reel - 3,000 pieces per 8mm tape,
i.e., PSOT05LC-T7.
3. Suffix-T13 = 13 Inch Reel - 10,000 pieces per 8mm tape,
i.e., PSOT05LC-T13.
4. Suffix - LF = Lead-Free, Pure-Tin Plating,
i.e., PSOT05LC-LF-T7.
0.079” (2.00mm)
0.033” (0.85mm)
0.033” (0.85mm)
Outline & Dimensions: Rev 1 - 11/01, 06012
ProTek Devices
2929 South Fair Lane, Tempe, AZ 85282
COPYRIGHT © ProTek Devices 2007
SPECIFICATIONS: ProTek reserves the right to change the electrical and or mechanical characteristics described herein without notice (except JEDEC).
Tel: 602-431-8101 Fax: 602-431-2288
E-Mail: sales@protekdevices.com
Web Site: www.protekdevices.com
DESIGN CHANGES: ProTek reserves the right to discontinue product lines without notice, and that the final judgement concerning selection and specifications is
the buyer’s and that in furnishing engineering and technical assistance, ProTek assumes no responsibility with respect to the selection or specifications of such
products.
05066.R6 3/07
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