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
SC-79
FEATURES
✔
✔
✔
✔
✔
Unidirectional Configuration
Protects One Unidirectional Line
Low Leakage Current < 1.0µA
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: 260-270°Cy
✔
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
05184.R5 4/09
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PLW2.8
DEVICE CHARACTERISTICS
MAXIMUM RATINGS
@ 25°C Unless Otherwise Specified
PARAMETER
Peak Pulse Power (t
p
= 8/20µs) - See Figure 1
Peak Pulse Current (t
p
= 8/20µs)
Operating Temperature
Storage Temperature
SYMBOL
P
PP
I
PP
T
A
T
STG
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
@ 25°C 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
@ I
SB
= 50mA
V
SB
VOLTS
2.8
@I
P
= 1A
V
C
VOLTS
5.0
@V
WM
I
D
µA
1
@0V, 1MHz
C
pF
6
FIGURE 1
PEAK PULSE POWER VS PULSE TIME
1,000
I
PP
- Peak Pulse Current - % of I
PP
P
PP
- Peak Pulse Current - Watts
120
100
80
60
40
20
0
t
f
FIGURE 2
PULSE WAVE FORM
Peak Value I
PP
TEST
WAVEFORM
PARAMETERS
t
f
= 8µs
t
d
= 20µs
50W, 8/20µs Waveform
100
e
-t
10
t
d
= t I /2
PP
1
0.01
1
10
100
t
d
- Pulse Duration - µs
1,000
10,000
0
5
10
15
t - Time - µs
20
25
30
05184.R5 4/09
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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 © 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
05184.R5 4/09
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Embedded System
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