Datasheet

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Ethernet

10/100 Base-T Power over Ethernet (PoE) PD Unit Protection

Mode B Power

SMBJ58A

RJ-45

SM51108EL

CDSOT236-0504C

CDNBS04-

B08200

Mode A Power

Ethernet

PHY

CDNBS04-

B08200

e schematic above illustrates the application protection and does not constitute the complete circuit design.

Customers should verify actual device performance in their specic applications.

CDSOT236-0504C

CDNBS04-B08200

SMBJ58A

SM51108EL

Solution Products

Asia-Paciﬁc: Tel +886-2 256 241 17

Fax +886-2 256 241 16

Bourns® PortNote® solutions provide protection

recommendations for typical port threats.

For more information, go to:

www.bourns.com

or email: protection@bourns.com

Americas: Tel +1-951 781-5500

Fax +1-951 781-5700

Europe: Tel +41-(0)41 768 55 55

Fax +41-(0)41 768 55 10

Alternate Recommendations

Other PortNote® Solutions:

• Ethernet - ESD Protection

• Ethernet - Power Contact and

Surge Protection

• Ethernet - 10/100 Base-T Power over

Ethernet (PoE) PSE Unit Protection

Contact Bourns for PoE+ or Gbit PoE

port solutions.

Beneﬁt

is solution provides ESD protection for

10/100 Base-T PoE PD devices without

impairing the Ethernet signal.

Objective

10/100 Base-T Power over Ethernet (PoE)

interfaces combine data and 48 V DC to provide

remote power to a Powered Device (PD). is

solution provides ESD and overcurrent protection

for the PD unit.

Solution

1 TVS Diode Array: CDSOT236-0504C

2 Bridge Rectiers: CDNBS04-B08200

1 TVS Diode: SMBJ58A

1 Transformer: SM51108EL

Compliance

IEEE 802.3af and IEEE 802.11af

IEC 61000-4-2 Level 4 (8 kV / 15 kV)

“Bourns” is a registered trademark of Bourns, Inc. in the U.S. and other countries.

PN-DESIGNKIT-34

Design Kit

Summary of content (15 pages)

PAGE 1
Ethernet 10/100 Base-T Power over Ethernet (PoE) PD Unit Protection Solution Products CDSOT236-0504C Objective Alternate Recommendations 10/100 Base-T Power over Ethernet (PoE) interfaces combine data and 48 V DC to provide remote power to a Powered Device (PD). This solution provides ESD and overcurrent protection for the PD unit.
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PL IA NT Features *R oH S CO M ■ ■ ■ ■ Applications RoHS compliant* Small SMT package High reliability with superior moisture resistance Applicable to automatic insertion ■ ■ ■ Switching power supply Home appliances, office equipment Telecommunication, factory automation CDNBS04-B08200~B08800 Surface Mount Rectifier General Information The CDNBS04-B08200~B08800 device provides Bridge Rectification with high reliability with superior moisture resistance for home appliances, office equipment and tele
PAGE 3
CDNBS04-B08200~B08800 Surface Mount Rectifier Product Dimensions Recommended Footprint This is a molded package weighs approximately 0.125 g and can be mounted in any position. The dimensions for the packaged device are shown below. The device will mount onto existing JEDEC SOD-106 footprint. 4.50 - 4.90 (0.177 - 0.193) 4.50 - 4.90 (0.177 - 0.193) 2.30 - 2.70 (0.091 - 0.106) 1.20 - 1.60 (0.047 - 0.063) 2.30 - 2.70 (0.090 - 0.106) 0.70 - 1.10 (0.028 - 0.043) 3.60 - 4.00 (0.142 - 0.157) 7.00 MAX. (0.
PAGE 4
CDNBS04-B08200~B08800 Surface Mount Rectifier Packaging Specifications The product will be dispensed in Tape and Reel format (see diagram below). P 0 P 1 d T E Index Hole 120 ° F D2 W B D1 D P Trailer A C Device Leader ....... ....... ....... ....... ....... ....... ....... ....... End W1 Start DIMENSIONS: 10 pitches (min.) 10 pitches (min.
PAGE 5
CDNBS04-B08200~B08800 Surface Mount Rectifier Performance Graphs Maximum Non-Repetitive Surge Current Forward Current Derating Curve Peak Forward Surge Current (Amps) Average Forward Current (Amps) 1.0 0.8 0.6 0.4 Single Phase Half Wave 60 Hz Resistive or Inductive Load 0.2 Mounted on PC Board 0.1 0 20 40 60 80 100 120 140 40 30 20 Pulse Width 8.
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PL IA NT CO M *R oH S Features Applications ■ RoHS compliant* ■ VolP ■ IEEE802 3af/ANSI X3.263 ■ PoE SM51108L 10/100 Base Tx VolP Modules (Power over Ethernet - PoE) Electrical Specifications Inductance - Open Circuit .... 350 μH min. ...(100 KHz, 0.1 V with 8 mA DC bias) Turns Ratio ..............................1CT: 1CT Insertion Loss ....................1-100 MHz, -1.2 dB max. Return Loss (@ 100 ohms) 1-30 MHz...........................-16 dB min. 40 MHz ..............................-14 dB min.
PAGE 7
T PL IA N M CO *R oH S Features Applications ■ RoHS compliant* ■ HDMI 1.3 version ■ Low capacitance - 1 pF ■ PDAs and notebooks ■ ESD protection >15 kV ■ Consumer electronics ■ Protects 4 I/O and 1 VDD line ■ Display port interface ■ USB 2.0 up to 480 Mb/s CDSOT236-0504C - TVS/Steering Diode Array General Information The CDSOT236-0504C device provides ESD, EFT and Surge protection for high speed data ports meeting IEC 61000-4-2 (ESD), IEC 61000-4-4 (EFT) and IEC 61000-4-5 (Surge) requirements.
PAGE 8
CDSOT236-0504C - TVS/Steering Diode Array Product Dimensions Recommended Footprint This is a molded SOT23-6L package with lead free 100 % Matte Sn on the lead frame. It weighs approximately 3 mg and has a flammability rating of UL 94V-0. 2.40 (0.094) 2.90 BSC (0.114) 0.30 - 0.45 (0.011 - 0.018) 0.30 - 0.60 (0.011 - 0.024) 0.60 REF. (0.024) 2.80 (0.110) BSC BSC 1.60 (0.063) BSC 0.95 (0.037) 1.90 (0.074) 0°-8° 0.08 - 0.20 (0.003 - 0.007) 0.25 (0.010) BSC 0.70 (0.028) 1.00 (0.
PAGE 9
CDSOT236-0504C - TVS/Steering Diode Array Typical Characteristics Typical Variation of CIN vs. VIN Typical Variation of CIN vs. VIN 1.0 1.0 0.9 0.9 VDD = 5 V, GND = 0 V, f = 1 MHz, T = 25 °C 0.8 0.7 0.7 Capacitance (pF) Capacitance (pF) VDD = floated, GND = 0 V, f = 1 MHz, T = 25 °C 0.8 0.6 0.5 0.4 0.3 0.6 0.5 0.4 0.3 0.2 0.2 0.1 0.1 0.0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 0.0 4.0 0.0 0.5 1.0 1.5 Voltage (V) Typical Variation of CIO to IO vs. VIN 3.5 4.0 0.10 0.09 0.
PAGE 10
CDSOT236-0504C - TVS/Steering Diode Array Packaging Information The product is packaged in tape and reel format per EIA-481 standard. P 0 P 1 d PART ORIENTATION T E Index Hole 120 ° F D2 W B PIN 1 D1 D P A Trailer ....... ....... End C Device ....... ....... ....... ....... Leader ....... ....... W1 Start DIMENSIONS: 10 pitches (min.) MM (INCHES) 10 pitches (min.) Direction of Feed Item Symbol SOT23-6 Carrier Width A 3.90 ± 0.10 (0.154 ± 0.004) Carrier Length B 3.90 ± 0.
PAGE 11
PL IA NT CO M *R oH S Features Applications ■ RoHS compliant* ■ IEC 61000-4-2 ESD (Min. Level 4) ■ Surface Mount SMB package ■ IEC 61000-4-4 EFT ■ Standoff Voltage: 5 to 495 volts ■ IEC 61000-4-5 Surge ■ Power Dissipation: 600 watts SMBJ Transient Voltage Suppressor Diode Series General Information The markets of portable communications, computing and video equipment are challenging the semiconductor industry to develop increasingly smaller electronic components.
PAGE 12
SMBJ Transient Voltage Suppressor Diode Series Electrical Characteristics (@ TA = 25 °C Unless Otherwise Noted) Unidirectional Device Part Number SMBJ5.0A SMBJ6.0A SMBJ6.5A SMBJ7.0A SMBJ7.5A SMBJ8.0A SMBJ8.5A SMBJ9.
PAGE 13
SMBJ Transient Voltage Suppressor Diode Series Product Dimensions Recommended Footprint A A B C B C G Dimension A (Max.) F H D B (Min.) E C (Min.) Dimension A B C D E F G H SMB (DO-214AA) 4.06 - 4.57 (0.160 - 0.180) 3.30 - 3.94 (0.130 - 0.155) 1.96 - 2.21 (0.077 - 0.087) 0.15 - 0.31 (0.006 - 0.112) 5.21 - 5.59 (0.205 - 0.220) 0.05 - 0.20 (0.002 - 0.008) 2.01 - 2.62 (0.080 - 0.103) 0.76 - 1.52 (0.030 - 0.060) DIMENSIONS: MM (INCHES) Specifications are subject to change without notice.
PAGE 14
SMBJ Transient Voltage Suppressor Diode Series Rating & Characteristic Curves Pulse Derating Curve Maximum Non-Repetitive Surge Current Peak Forward Surge Current (Amps) Peak Pulse Derating in Percent of Peak Power or Current 100 75 50 25 10 x 1000 Waveform as Defined by R.E.A. 120 100 80 60 40 Pulse Width 8.
PAGE 15
CDDFN5-0504N TVS/Steering DiodeDiode Array Series SMBJ Transient -Voltage Suppressor Packaging Information The product will be dispensed in tape and reel format (see diagram below). P 0 P 1 d T E Index Hole Pin 1 Location 120 ° F D2 W B D1 D P A Trailer End ....... ....... C Device ....... ....... ....... ....... Leader ....... ....... W1 Start DIMENSIONS: 10 pitches (min.) MM (INCHES) 10 pitches (min.