TM SMP100LC-xxx TRISIL FOR HIGH DEBIT RATE TELECOM LINES PROTECTION PRELIMINARY DATASHEET FEATURES n n n n n Bidirectional crowbar protection Low capacitance : C = 30 PF TYP @ 50V Low leakage current : IR = 2 µA MAX Repetitive peak pulse current : IPP = 100 A (10/1000µS) Holding current: IH = 150 mA MAIN APPLICATIONS Any sensitive equipment requiring protection against lightning strikes and power crossing: Analog and digital line cards (xDSL, T1/ E1, ISDN...) Gas tube replacement Terminals and transmission equipment n SMB n n DESCRIPTION The SMP100LC-xxx series is a very low capacitance transient surge arrestor designed for the protection of high debit rate communication equipment. Its low capacitance avoid any distorsion of the signal. It can also SCHEMATIC DIAGRAM BENEFITS n n n No ageing and no noise Short circuit in failure mode, thus still ensuring protection Board space saving March 2000 - Ed: 3B 1/8 SMP100LC-xxx Peak Surge Voltage (V) Voltage Waveform (µs) Current Waveform (µs) Admissible Ipp (A) Necessary Resistor (note 1) (Ω) ITU-T- K20 4000 10/700 5/310 100 - VDE0433 4000 10/700 5/310 100 - VDE0878 4000 1.2/50 1/20 100 - level 4 level 4 10/700 1.2/50 5/310 8/20 100 100 - FCC Part 68, lightning surge type A 1500 800 10/160 10/560 10/160 10/560 200 100 - FCC Part 68, lightning surge type B 1000 5/320 5/320 25 - BELLCORE TR-NWT-001089 First level 2500 1000 2/10 10/1000 2/10 10/1000 500 100 - BELLCORE TR-NWT-001089 Second level 5000 2/10 2/10 500 - CNET I31-24 4000 0.5/700 0.8/310 100 - COMPLIES WITH THE FOLLOWING STANDARDS: IEC-1000-4-5 Note 1: minimum series resistance to insert on the module line to withstand the standard. THERMAL RESISTANCES Symbol Parameter Value Unit Rth(j-I) Junction to leads 20 °C/W Rth(j-a) Junction to ambient on printed circuit (with standard footprint dimensions) 100 °C/W Value Unit 100 250 150 500 A A A A ABSOLUTE MAXIMUM RATINGS (Tamb = 25°C, unless otherwise specified) Symbol Ipp Parameter Repetitive peak pulse current: 10/1000 µs (open circuit voltage wave shape 1 kV 8/20 µs (open circuit voltage wave shape 4 kV 5/310 µs (open circuit voltage wave shape 5 kV 2/10 µs (open circuit voltage wave shape 2.5 kV IFS Fail-safe mode : maximum current (note 2) 8/20 µs 5 kA ITSM Non repetitive surge peak on-state current One cycle 50Hz 60Hz 50 53 A A Non repetitive surge peak on-state current F = 50Hz 0.2s 2s 23 10 A A 260 °C - 55 to + 150 150 °C °C TL Maximum lead temperature for soldering during 10s Tstg Tj Storage temperature range Maximum junction temperature Note 2: in fail safe mode, the device acts as a short circuit. 2/8 10/1000 µs) 1.2/50 µs) 10/700 µs) 2/10 µs) SMP100LC-xxx Pulse waveform: 10 / 1000 µs 8 / 20 µs 5 / 310 µs 1 / 20 µs 2 / 10 µs % IPP tr = 10 µs tr = 8 µs tr = 5 µs tr = 1 µs tr = 2 µs 100 tp = 1000 µs tp = 20 µs tp = 310 µs tp = 20 µs tp = 10 µs 50 0 tr t tp ELECTRICAL CHARACTERISTICS (Tamb = 25°C) Symbol Parameter VRM Stand-off voltage IRM Leakage current at VRM VR Continuous reverse voltage IR Leakage current VBR Breakdown voltage VBO Breakover voltage IH Holding current IBO Breakover current IPP Peak pulse current C Capacitance DYNAMIC PARAMETERS Type IRM @ VRM max. IR @ VR max. Note 1 VBO @ IBO max. Note 2 IH min. Note 3 C typ. Note 4 µA V µA V V mA mA pF SMP100LC-140 2 120 50 140 185 800 150 30 SMP100LC-200 2 170 50 200 265 800 150 30 SMP100LC-270 2 230 50 262 350 800 150 30 Note 1: Note 2: Note 3: Note 4: IR measured at VR guarantee VBR > VR VRISE = 100V/µS, di/dt < 10 A/µs, IPP = 100A VRISE = 1kV/µS, di/dt < 10 A/µs, IPP = 10A VBO parameters are given by a KeyTek ”System 2” generator with PN2461 module. See test circuits 3 for VBO dynamic parameters See functional holding current test circuit 1 VR=50V bias, VRMS=1V, F=1MHz. 3/8 SMP100LC-xxx STATIC PARAMETERS Symbol Type Test conditions VBO SMP100LC-140 Measured at 50Hz, see test circuit 2. In any case VBOmin ≥ VBR SMP100LC-200 Max. Unit 190 V 275 SMP100LC-270 370 Fig 1 : Non repetitive surge peak on-state current versus overload duration (Tj initial = 25 °C). Fig 2 : On-state voltage versus on-state current (typical values). ITSM(A) IT(A) 50 70 Tj=25°C F=50Hz 60 50 10 40 30 20 10 VT(V) t(s) 0 1E-2 1E-1 1E+0 1E+1 1E+2 1E+3 Fig 3 : Relative variation of holding current versus junction temperature . IH[Tj] / IH[Tj=25°C] 2.0 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0.0 -40 -20 0 20 4/8 1 2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4 3.6 3.8 4.0 Fig 4 : Variation of thermal impedance junction to ambient versus pulse duration (Printed circuit board FR4, SCu=35µm, recommended pad layout). Zth(j-a)(°CW) 100 10 tp(s) Tj(°C) 40 60 80 100 120 1 1E-3 1E-2 1E-1 1E+0 1E+1 1E+2 5E+2 SMP100LC-xxx Fig 5 : Variation of junction capacitance versus reverse voltage applied (typical values). C [VR] / C [VR=50V] 2.5 2.0 1.5 1.0 0.5 VR(V) 0.0 1 2 5 10 20 50 100 200 FUNCTIONAL HOLDING CURRENT (IH) TEST CIRCUIT 1 : GO-NO GO TEST R VBAT = - 48 V D.U.T. - VP Surge generator This is a GO-NO GO test which allows to confirm the holding current (IH) level in a functional test circuit. TEST PROCEDURE : - Adjust the current level at the IH value by short circuiting the D.U.T. - Fire the D.U.T. with a surge current : Ipp = 10A, 10/1000 µs. - The D.U.T. will come back to the off-state within 50 ms max. 5/8 SMP100LC-xxx TEST CIRCUIT 2 FOR IBO and VBO parameters : tp = 20ms Auto Transformer 220V/2A R1 static relay. 140 R2 240 K 220V Vout IBO measure D.U.T V BO measure Transformer 220V/800V 5A TEST PROCEDURE : Pulse Test duration (tp = 20ms): - For Bidirectional devices = Switch K is closed - For Unidirectional devices = Switch K is open. VOUT Selection - Device with VBO < 200 Volt - VOUT = 250 VRMS, R1 = 140 Ω. - Device with VBO 200 Volt - VOUT = 480 VRMS, R2 = 240 Ω. TEST CIRCUITS 3 FOR VBO DYNAMIC PARAMETERS 100 V / µs, di/dt < 10 A / µs, Ipp = 100 A 2Ω U 45 Ω 83 Ω 10 µF 66 Ω 0.36 nF 470 Ω KeyTek ’System 2’ generator with PN246I module 1 kV / µs, di/dt < 10 A / µs, Ipp = 10 A 26 µH U 60 µF 250 Ω 12 Ω KeyTek ’System 2’ generator with PN246I module 6/8 47 Ω 46 µH 46 µH SMP100LC-xxx ORDER CODE SMP 100 LC - xxx Low Capacitance Trisil Surface Mount Voltage IPP = 100 A PACKAGE MECHANICAL DATA SMB (Plastic) DIMENSIONS E1 REF. D E A1 A2 C L b Millimeters Inches Min. Max. Min. Max. A1 1.90 2.45 0.075 0.096 A2 0.05 0.20 0.002 0.008 b 1.95 2.20 0.077 0.087 c 0.15 0.41 0.006 0.016 E 5.10 5.60 0.201 0.220 E1 4.05 4.60 0.159 0.181 D 3.30 3.95 0.130 0.156 L 0.75 1.60 0.030 0.063 FOOT PRINT (in millimeters) 2.3 1.52 2.75 1.52 Ordering type Marking Package Weight Base qty Delivery mode SMP100LC-140 L14 SMB 0.107g. 2500 Tape & Reel SMP100LC-200 L20 SMB 0.107g 2500 Tape & Reel SMP100LC-270 L27 SMB 0.107g 2500 Tape & Reel 7/8 SMP100LC-xxx Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. The ST logo is a registered trademark of STMicroelectronics 2000 STMicroelectronics - Printed in Italy - All rights reserved. STMicroelectronics GROUP OF COMPANIES Australia - Brazil - China - Finland - France - Germany - Hong Kong - India - Italy - Japan - Malaysia Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - U.S.A. http://www.st.com 8/8