SIDACtor
®
Protection Thyristors
Broadband Optimized
TM
Protection
SEP Biased Series - 5x6 QFN
Description
RoHS
Pb
e3
Agency Approvals
Agency
Agency File Number
E133083
The new SEP (SIDACtor Thyristor 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
• Compatible with
1000Base-T
• Fails short circuit when
surged in excess of ratings
• RoHS Compliant and
Halogen-Free
• Pb-free E3 means 2nd level
interconnect is Pb-free and
the terminal finish material
is tin(Sn) (IPC/JEDEC
J-STD-609A.01)
Pinout Designation
Line in
- Bias
Ground
Line in
1
2
3
4
8
7
6
5
• Balanced overvoltage
protection
Line out
+ Bias
Ground
Line out
• Low distortion
• Low insertion loss
• Low profile
• SO-8 footprint compatible
Schematic Symbol
Line In (1)
-Bias (2)
Ground (3)
Line In (4)
8002 tcO snevaH pillihP
Applicable Global Standards
• TIA-968-A
(8) Line Out
(7) +Bias
(6) Ground
(5) Line Out
• GR 1089 Inter-building
• GR 1089 Intra-building
• YD/T 1082
• YD/T 993
• YD/T 950
• TIA-968-B
• ITU K.20/21 Enhanced
Level
• ITU K.20/21 Basic Level
• IEC 61000-4-5 2nd edition
Electrical Characteristics
V
DRM
@
I
DRM
=5µA
V min
SEP0080Q38CB
SEP0640Q38CB
SEP0720Q38CB
SEP0900Q38CB
SEP-8C
SEP06C
SEP07C
SEP09C
6
58
65
75
V
S
@100V/µs
V max
25
77
88
98
I
H
mA min
50
150
150
150
I
S
mA max
800
800
800
800
I
T
@V
T
A max
2.2
2.2
2.2
2.2
V
T
@I
T
=
2.2Amps
V max
8
8
8
8
See Capacitance vs.
Bias Voltage Graph
Part Number
Marking
Capacitance
Notes:
- Absolute maximum ratings measured at T
A
= 25ºC (unless otherwise noted).
- Devices are bi-directional (unless otherwise noted).
Additional Information
Datasheet
Resources
Samples
© 2017 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 02/23/17
Broadband Optimized
TM
Protection
SIDACtor
®
Protection Thyristors
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
I
TSM
Maximum non-repetitive
on-state current, 50/60 Hz
A
Surge Ratings
I
PP
Series
C
2x10µs
A min
500
1.2x50µs/8x20µs
A min
400
10x700/5x310µs
A min
200
10x1000µs
A min
100
I
TSM
600V
RMS
1 cycle
A
RMS
30
Notes:
- Peak pulse current rating (I
PP
) is repetitive and guaranteed for the life of the product.
- I
PP
ratings applicable over temperature range of -40ºC to +85ºC
- The device must initially be in thermal equilibrium with -40°C < T
J
< +150°C
Thermal Considerations
Package
Symbol
T
J
T
STG
5x6 QFN
Parameter
Junction Temperature
Storage Temperature Range
Thermal Resistance: Junction to Ambient
Value
-40 to +150
-40 to +150
100
Unit
°C
°C
°C/W
R
0JA
V-I Characteristics
Capacitance vs. Bias Voltage*
+I
40
35
I
T
Capacitance (pF)
30
25
20
15
10
5
0
0.1
1
Line Voltage (V)
10
Bias Voltage
0V
5V
24V
50V
3.3V
12V
30V
I
S
I
H
I
DRM
V
T
V
DRM
V
S
-V
+V
100
-I
* Bias voltage must be lower than V
DRM
© 2017 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 02/23/17
SIDACtor
®
Protection Thyristors
Broadband Optimized
TM
Protection
Normalized V
S
Change vs. Junction Temperature
Normalized DC Holding Current vs. Case Temperature
14
2.0
Percent of V
S
Change – %
10
8
6
4
2
0
-4
-6
-8
-40 -20
0
20 40 60 80 100 120 140 160
I
H
(T
C
= 25ºC)
12
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
I
H
25 °C
25°C
Ratio of
Junction Temperature (T
J
) – °C
Case Temperature (T
C
) - ºC
Soldering Parameters
Reflow Condition
- Temperature Min (T
s(min)
)
Pre Heat
- Temperature Max (T
s(max)
)
- Time (Min to Max) (t
s
)
Pb-Free assembly
(see Fig. 1)
+150°C
+200°C
60-180 secs.
3°C/sec. Max.
3°C/sec. Max.
+217°C
60-150 secs.
+260(+0/-5)°C
30 secs. Max.
6°C/sec. Max.
8 min. Max.
+260°C
Figure 1
T
P
Ramp-up
t
P
Critical Zone
T
L
to T
P
T
S(max)
to T
L
- Ramp-up Rate
Reflow
- Temperature (T
L
) (Liquidus)
- Temperature (t
L
)
Temperature
Average ramp up rate (Liquidus Temp (T
L
)
to peak)
T
L
T
S(max)
T
S(min)
Preheat
t
L
Ramp-down
t
S
Peak Temp (T
P
)
Time within 5°C of actual Peak Temp (t
p
)
Ramp-down Rate
Time 25°C to Peak Temp (T
P
)
Do not exceed
25
time to peak temperature
(t 25ºC to peak)
Time
Environmental Specifications
High Temp Voltage
Blocking
80% Rated V
DRM
(V
AC
Peak ) +125°C or +150°C,
504 or 1008 hrs. MIL
-STD-750 (Method 1040)
JEDEC, JESD22-A-101
-65°C to +150°C, 15 min. dwell, 10 up to 100
cycles. MIL-STD-750 (Method 1051) EIA/JEDEC,
JESD22-A104
52 V
DC
(+85°C) 85%RH, 504 up to 1008 hrs. EIA/
JEDEC, JESD22-A-101
+150°C 1008 hrs. MIL
-STD-750 (Method 1031)
JEDEC, JESD22-A-101
-65°C, 1008 hrs.
0°C to +100°C, 5 min. dwell, 10 sec. transfer,
10 cycles. MIL-STD-750 (Method 1056) JEDEC,
JESD22-A-106
+260°C, 30 secs. MIL-STD-750 (Method 2031)
85%RH, +85°C, 168 hrs., 3 reflow cycles
(+260°C Peak). JEDEC-J-STD-020, Level 1
Physical Specifications
Lead Material
Terminal Finish
Body Material
Copper Alloy
Temp Cycling
100% Matte-Tin Plated
UL recognized epoxy meeting flammability
classification 94V-0
Biased Temp &
Humidity
High Temp Storage
Low Temp Storage
Thermal Shock
Resistance to Solder
Heat
Moisture Sensitivity
Level
© 2017 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 02/23/17
Broadband Optimized
TM
Protection
SIDACtor
®
Protection Thyristors
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
I
PP
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
© 2017 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 02/23/17
SIDACtor
®
Protection Thyristors
Broadband Optimized
TM
Protection
Tape and Reel Specifications — 5x6 QFN
Reel Dimension
Symbols
C
A
D
B
W
1
N
Tape Leader and Trailer Dimensions
END
CARRIER TAPE
COVER TAPE
START
A
B
C
D
N
W
1
A
0
B
0
D
0
D
1
E
1
E
2
F
K
0
P
0
P
1
TRAILER
160mm MIN
LEADER
400mm MIN
Tape Dimension Items
D
0
T
P
0
P
2
CARRIER TAPE
D
1
E
1
P
2
T
W
W
0
W
0
K
0
COVER TAPE
B
0
F
E
2
W
P
1
A
0
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
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
Disclaimer Notice - Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and
test each product selected for their own applications. Littelfuse products are not designed for, and may not be used in, all applications.
Read complete Disclaimer Notice at
www.littelfuse.com/disclaimer-electronics.
© 2017 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 02/23/17
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