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05184
PLW2.8
LOW CAPACITANCE TVS COMPONENT
APPLICATIONS
Ethernet - 10/100/1000 Base T Cellular Phones Personal Digital Assistant (PDA) USB Interfaces
IEC COMPATIBILITY (EN61000-4)
61000-4-2 (ESD): Air - 15kV, Contact - 8kV 61000-4-4 (EFT): 40A - 5/50ns
SC-79
FEATURES
ESD Protection > 25 kilovolts Unidirectional Configuration Protects One Unidirectional Line Low Leakage Current < 1.0A Low Capacitance: 6pF Typical RoHS Compliant
MECHANICAL CHARACTERISTICS
Molded EIAJ SC-79 Package Weight 2 milligrams (Approximate) Available Lead-Free Pure-Tin Plating (Annealed) Solder Reflow Temperature: Pure-Tin - Sn, 100: 260-270C Consult Factory for Leaded Device Availability Flammability Rating UL 94V-0 8mm Tape and Reel Per EIA Standard 481 Device Marking: Marking Code & Polarity Band (Unidirectional Only)
PIN CONFIGURATION
1
2
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PLW2.8
DEVICE CHARACTERISTICS
MAXIMUM RATINGS @ 25C Unless Otherwise Specified PARAMETER Peak Pulse Power (tp = 8/20s) - See Figure 1 Peak Pulse Current (tp = 8/20s) Operating Temperature Storage Temperature SYMBOL PPP IPP TA TSTG VALUE 50 5 -55 to 150 -55 to 150 UNITS Watts A C C
ELECTRICAL CHARACTERISTICS PER LINE
PART NUMBER DEVICE MARKING CODE RATED STAND-OFF VOLTAGE MINIMUM BREAKDOWN VOLTAGE
@ 25C Unless Otherwise Specified MAXIMUM CLAMPING VOLTAGE (See Fig. 2) MAXIMUM LEAKAGE CURRENT TYPICAL CAPACITANCE
MINIMUM SNAP BACK VOLTAGE
V WM VOLTS PLW2.8 P 2.8
@ 1mA V(BR) VOLTS 3.0
@ ISB = 10mA VSB VOLTS 2.8
@IP = 1A VC VOLTS 5.0
@V WM ID A 1
@0V, 1MHz C pF 6
FIGURE 1 PEAK PULSE POWER VS PULSE TIME
1,000
IPP - Peak Pulse Current - % of IPP PPP - Peak Pulse Current - Watts
120 100 80 60 40 20 0 tf
FIGURE 2 PULSE WAVE FORM
Peak Value IPP TEST WAVEFORM PARAMETERS tf = 8s td = 20s
50W, 8/20s Waveform 100
e-t
10
td = t I /2 PP
1 0.01
1
10 100 td - Pulse Duration - s
1,000
10,000
0
5
10
15 t - Time - s
20
25
30
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PLW2.8
SC-79 PACKAGE OUTLINE & DIMENSIONS
PACKAGE OUTLINE
C A
SC79 PACKAGE
B F
PACKAGE DIMENSIONS INCHES DIM A B C D E F
NOTES 1. Controlling Dimensions in Millimeters. 2. 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., PLW2.8-T7. 3. Suffix-LF = Lead-Free, Pure Tin Plating, i.e., PLW2.8-LF-T7.
MILLIMETERS MIN 1.10 0.70 1.50 0.50 0.08 MAX 1.30 0.90 1.70 0.70 0.20
MIN 0.043 0.028 0.059 0.020 0.003
MAX 0.049 0.035 0.066 0.028 0.008
D E
0.012 BSE
0.30 BSE
MOUNTING PAD
0.075 (1.90mm)
0.020 (0.50mm)
0.015 (0.38mm)
Outline & Dimensions: Rev 2 - 9/05, 06037
Tape & Reel Specifications (Dimensions in millimeters)
Reel Dia. 178mm (7") Tape Width 8mm A0 B0 K0 D E F W P0 P2 P tmax 0.25
1.00 0.10 1.95 0.05 0.75 0.05 1.50 0.10 1.75 0.10 3.50 0.05 8.00 0.30 4.00 0.10 2.00 0.05 4.00 0.10
P0 t D P2 10 Pitches Cumulative Tolerance on Tape. 0.2
E Top cover tape Empty Pocket K0 B0 A0
Pin 1 Indicated by Band
F
W
P
User Direction of Feed
COPYRIGHT (c) ProTek Devices 2007 SPECIFICATIONS: ProTek reserves the right to change the electrical and or mechanical characteristics described herein without notice (except JEDEC). 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.
ProTek Devices 2929 South Fair Lane, Tempe, AZ 85282 Tel: 602-431-8101 Fax: 602-431-2288 E-Mail: sales@protekdevices.com Web Site: www.protekdevices.com
www.protekdevices.com
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