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SIDACtor (R) Protection Thyristors
Broadband OptimizedTM Protection
SEP Biased Series - 5x6 QFN
Description The new SEP (SIDACtor Ethernet/PoE Protector) series has a surge rating compatible with GR1089 Inter-building and ITU K.20/21 Enhanced protection requirements. Targeted for high-speed applications such as 10BaseT, 100BaseT, and 1000BaseT, the SEP series maintains signal quality while providing robust protection for Ethernet and PoE applications. This latest silicon design innovation results in a capacitive loading characteristic that is constant with respect to the voltage across the device. This reduces distortion caused by typical solid-state protection solutions. Offered in a surface-mount, QFN package, the SEP provides small package size without sacrificing power and surge handling capabilities. Features & Benefits 1000Base-T Pinout Designation protection
Line in - Bias Ground Line in
1 2 3 4 8 7 6 5
Agency Approvals
Agency Agency File Number E133083
Line out + Bias Ground Line out
surged in excess of ratings Applicable Global Standards
Schematic Symbol
Line In (1) -Bias (2) Ground (3) Line In (4)
80 02 tcO snevaH pillihP
(8) Line Out (7) +Bias (6) Ground (5) Line Out
Level
Electrical Characteristics
VDRM@ IDRM=5A V min SEP0080Q38CB SEP0640Q38CB SEP0720Q38CB SEP0900Q38CB SEP-8C SEP06C SEP07C SEP09C 6 58 65 75 VS@100V/s V max 25 77 88 98 IH mA min 50 150 150 150 IS mA max 800 800 800 800 IT@VT A max 2.2 2.2 2.2 2.2 VT@IT= 2.2Amps V max 8 8 8 8 See Capacitance vs. Bias Voltage Graph
Part Number
Marking
Capacitance
Notes: - Absolute maximum ratings measured at TA= 25C (unless otherwise noted). - Devices are bi-directional (unless otherwise noted).
(c) 2011 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com for current information.
53 Revised: February 22, 2011
SIDACtor (R) Protection Thyristors
Broadband OptimizedTM Protection
50/60 Hz Ratings
Parameter Name Test Conditions 0.5s 1s 2s 5s 30s 900s Value 6.5 4.6 3.4 2.3 1.3 0.73 Units
ITSM Maximum non-repetitive on-state current, 50/60 Hz
A
Surge Ratings
IPP Series C 2x10s A min 500 1.2x50s/8x20s A min 400 10x700/5x310s A min 200 10x1000s A min 100 ITSM 600VRMS 1 cycle ARMS 30
Notes: - Peak pulse current rating (IPP) is repetitive and guaranteed for the life of the product. - IPP - The device must initially be in thermal equilibrium with -40C < TJ <
Thermal Considerations
Package Symbol TJ TSTG
5x6 QFN
Parameter Junction Temperature Storage Temperature Range Thermal Resistance: Junction to Ambient
Value
Unit C C
R0JA
100
C/W
V-I Characteristics
Capacitance vs. Bias Voltage*
+I
40 35
IT
Capacitance (pF)
Bias Voltage
30 25 20 15 10 5 0 0.1 1 Line Voltage (V) 10
0V 5V 24V 50V
3.3V 12V 30V
IS IH IDRM -V VT VDRM VS +V
100
-I
* Bias voltage must be lower than VDRM
(c) 2011 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com for current information.
54 Revised: February 22, 2011
SIDACtor (R) Protection Thyristors
Broadband OptimizedTM Protection
Normalized VS Change vs. Junction Temperature
Normalized DC Holding Current vs. Case Temperature
Percent of VS Change - %
10 8 6 4 2 0 -4 -6 -8 -40 -20 0 20 40 60 80 100 120 140 160
IH (TC = 25C)
14 12
2.0 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4
-40 -20 0 20 40 60 80 100 120 140 160
IH
25 C
25C
Ratio of
Junction Temperature (TJ) - C
Case Temperature (TC) - C
Soldering Parameters
Reflow Condition
- Temperature Min (Ts(min))
Pb-Free assembly (see Fig. 1)
Figure 1
TP
Ramp-up
tP
Critical Zone TL to TP
Pre Heat
- Temperature Max (Ts(max)) - Time (Min to Max) (ts)
60-180 secs. 3C/sec. Max. 3C/sec. Max. 60-150 secs.
TS(max) to TL - Ramp-up Rate Reflow
- Temperature (TL) (Liquidus) - Temperature (tL)
Temperature
Average ramp up rate (Liquidus Temp (TL) to peak)
TL TS(max)
Preheat
tL
Ramp-down
TS(min)
tS
Peak Temp (TP) Time within 5C of actual Peak Temp (tp) Ramp-down Rate Time 25C to Peak Temp (TP) Do not exceed 30 secs. Max. 6C/sec. Max. 8 min. Max.
25 time to peak temperature (t 25C to peak)
Time
Physical Specifications
Environmental Specifications
High Temp Voltage Blocking 80% Rated VDRM (VAC Peak 504 or 1008 hrs. MIL-STD-750 (Method 1040) JEDEC, JESD22-A-101 cycles. MIL-STD-750 (Method 1051) EIA/JEDEC, JESD22-A104 52 VDC JEDEC, JESD22-A-101 JEDEC, JESD22-A-101 -65C, 1008 hrs. 10 cycles. MIL-STD-750 (Method 1056) JEDEC, JESD22-A-106
Lead Material Terminal Finish Body Material
Copper Alloy 100% Matte-Tin Plated UL recognized epoxy meeting flammability classification 94V-0
Temp Cycling Biased Temp & Humidity High Temp Storage Low Temp Storage Thermal Shock Resistance to Solder Heat Moisture Sensitivity Level
(c) 2011 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com for current information.
55 Revised: February 22, 2011
SIDACtor (R) Protection Thyristors
Broadband OptimizedTM Protection
Dimensions -- 5x6 QFN
A 5 6 7 8
Dimension A
Inches Min 0.187 0.226 0.054 0.165 0.027 0.011 0.047 0.032 0.027 0.100 0.027 0.015 Max 0.207 0.246 0.064 0.171 0.033 0.017 0.053 0.038 0.033 0.106 0.033 0.021
Millimeters Min 4.745 5.745 1.374 4.199 0.686 0.279 1.194 0.800 0.686 2.540 0.686 0.381 Max 5.253 6.253 1.628 4.351 0.838 0.432 1.346 0.953 0.838 2.692 0.838 0.533
B J
I
D
H
K
L
B C D
E
PIN 1 INDICATOR
4
3
2 G
I F
E F G H I J K L
C
F (REF) G (REF)
PIN 1 & 8: LINE IN / LINE OUT PIN 2: BIAS (-) PIN 3 & 6: GROUND CONNECTIONS PIN 4 & 5: LINE IN / LINE OUT PIN 7: BIAS (+)
5x6 QFN Solder Pad Layout .0200 .0500
.2920 .2050 .1180
Part Numbering
Part Marking
SEP xxx 0 Q38 C B
TYPE SIDACtor Ethernet Protector MEDIAN VOLTAGE CONSTRUCTION VARIABLE BIASED IPP RATING PACKAGE
XXXXXX Part Marking Code
(Refer to Electrical Characteristics Table)
XXXXX
Date Code
Packing Options
Package Type Q38 Description 5x6x1.5 QFN Tape and Reel Quantity 4,000 Added Suffix N/A Industry Standard EIA-481-D
(c) 2011 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com for current information.
56 Revised: February 22, 2011
SIDACtor (R) Protection Thyristors
Broadband OptimizedTM Protection
Tape and Reel Specifications -- 5x6 QFN
Inches Millimeters Max 330.0 N/A 13.50 N/A N/A 14.40 5.40 6.40 1.60 N/A 1.85 10.35 5.60 1.90 4.10 8.10 2.10 0.35 12.30 9.30
Reel Dimension
Symbols A B C D N W1 A0 B0 D0 D1 E1 E2 F
C A D B W1 N
Tape Leader and Trailer Dimensions
END
CARRIER TAPE
COVER TAPE
START
TRAILER 160mm MIN
LEADER 400mm MIN
Tape Dimension Items
K0 P0 P1 P2
D0 T
P0 P2
CARRIER TAPE
D1
E1
T W
W0 K0
COVER TAPE
B0 F E2 W P1 A0
W0
Min Max Min Reel Diameter N/A 12.992 N/A Drive Spoke Width 0.059 N/A 1.50 Arbor Hole Diameter 0.504 0.531 12.80 Drive Spoke Diameter 0.795 N/A 20.20 Hub Diameter 1.969 N/A 50.00 Reel Inner Width at Hub 0.488 0.567 12.40 Pocket Width at Bottom 0.204 0.212 5.20 Pocket Length at Bottom 0.244 0.252 6.20 Feed Hole Diameter 0.059 0.063 1.50 Pocket Hole Diameter 0.059 N/A 1.50 Feed Hole Position 1 0.065 0.073 1.65 Feed Hole Position 2 0.400 0.408 10.15 Feed Hole Center 0.212 0.220 5.40 Pocket Hole Center 2 Pocket Depth 0.067 0.075 1.70 Feed Hole Pitch 0.153 0.161 3.90 Component Spacing 0.311 0.319 7 .90 Feed Hole Center 0.077 0.081 1.90 Pocket Hole Center 1 Carrier Tape Thickness 0.010 0.014 0.25 Embossed Carrier 0.460 0.484 11.70 Tape Width Cover Tape Width 0.358 0.366 9.10
Description
(c) 2011 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com for current information.
57 Revised: February 22, 2011

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