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SR70 Dataheets PDF



Part Number SR70
Manufacturers Protek Devices
Logo Protek Devices
Description ULTRA LOW CAPACITANCE STEERING DIODE ARRAY
Datasheet SR70 DatasheetSR70 Datasheet (PDF)

05172 Only One Name Means ProTek’Tion™ ultra low capacitance steering diode array SR70 SOT-143 package Description The SR70 is an ultra low capacitance steering diode array. Designed for protection against Electrostatic Discharge (ESD), Electrical Fast Transients (EFT) and secondary lightning threats, this device is ideal for use in high-speed signal interface application such as USB, microprocessor bus and mobile electronics. The SR70 is capable of protecting one line pair or two single lin.

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05172 Only One Name Means ProTek’Tion™ ultra low capacitance steering diode array SR70 SOT-143 package Description The SR70 is an ultra low capacitance steering diode array. Designed for protection against Electrostatic Discharge (ESD), Electrical Fast Transients (EFT) and secondary lightning threats, this device is ideal for use in high-speed signal interface application such as USB, microprocessor bus and mobile electronics. The SR70 is capable of protecting one line pair or two single lines via the steering of transient voltage to power lines or ground. Its ultra low capacitance allows maintenance of signal integrity for high-speed data lines while protecting the circuit ICs from the damage of severe transients. An extremely low leakage current makes the SR70 suitable for battery powered devices and POE applications. The SR70 is available in the small SOT-143 package, which reduces internal lead inductance for low, overshoot voltage during fast front time transient events like ESD. This device meets the IEC 61000-4-2 and IEC 61000-4-4 requirements. Features • Compatible with IEC 61000-4-2 (ESD): Air - 15kV, Contact - 8kV • Compatible with IEC 61000-4-4 (EFT): 40A - 5/50ns • Compatible with IEC 61000-4-5 (Surge): 30A, 8/20µs - Level 2(Line- Gnd) & Level 3 (Line-Line) • 225 Milliwatts Continuous Power Dissipation • Provides Two Lines of Protection • Low Leakage Current < 1.0µA • Ultra Low Capacitance: 3pF Typical • RoHS Compliant • REACH Compliant Mechanical characteristics • Molded JEDEC SOT-143 Package • Approximate Weight: 9 milligrams • Lead-Free Pure-Tin Plating (Annealed) • Solder Reflow Temperature: Pure-Tin - Sn, 100: 260-270°C • 8mm Tape and Reel Per EIA Standard 481 • Flammability Rating UL 94V-0 applications • USB Interface Ports • POE Applications • Video • Handheld Electronics • Laptops PIN CONFIGURATION V1 N I/O 1 2 4V P 3 I/O 2 05172.R12 7/23 Page 1 ISO 9001 CERTIFIED COMPANY 05172 Only One Name Means ProTek’Tion™ typical device characteristics SR70 MAXIMUM RATINGS @ 25°C Unless Otherwise Specified PARAMETER SYMBOL Operating Temperature TA Storage Temperature TSTG Forward Peak Pulse Current (tp = 8/20µs) IPP VALUE -55 to 150 -55 to 150 30 UNITS °C °C A ELECTRICAL CHARACTERISTICS PER LINE @ 25°C Unless Otherwise Specified PART NUMBER DEVICE MARKING REPETITIVE PEAK REVERSE VOLTAGE VRRM VOLTS minimum REVERSE breakdown voltage I @ 50µA V(BR) VOLTS MAXIMUM REVERSE LEAKAGE CURRENT @ VRRM IR µA MAXIMUM FORWARD CLAMPING VOLTAGE 8/20µs IPP @ 1A VFC VOLTS MAXIMUM FORWARD CLAMPING VOLTAGE 8/20µs IPP @ 30A VFC VOLTS SR70 PSA 70 85 1 1.5 8 notes 1. Measured between I/O pins to I/O pins. maximum CAPACITANCE (Note 1) 0V, 1MHz Cj pF 5 IPP - Peak Pulse Current - % of IPP 120 100 80 60 40 20 0 0 figure 1 pulse wave form t f Peak Value I PP e-t TEST WAVEFORM PARAMETERS t = 8µs f t = 20µs d t = t/(I /2) d PP 5 10 15 20 25 30 t - Time - µs 05172.R12 7/23 Page 2 ISO 9001 CERTIFIED COMPANY 05172 SPICE MODEL Only One Name Means ProTek’Tion™ VCC Lg 0.7nH LCRD I/O LCRD LCRD - Low Capacitance Rectifier Diode Lg - Lead Inductance table 1 - spice parameters parameter unit lcrd BV V 200 IBV µA 0.01 Cjo pF 5 IS A 1E-13 Vj V 0.6 M - 0.33 N - 1 RS Ohms 0.31 TT s 1E-8 EG eV 1.11 SR70 05172.R12 7/23 Page 3 ISO 9001 CERTIFIED COMPANY 05172 Only One Name Means ProTek’Tion™ SOT-143 package information outline dimensions millimeters dim min max inches min max A 2.80 3.04 0.110 0.120 B 1.20 1.39 0.047 0.055 C 0.84 1.14 0.033 0.045 D 0.39 0.50 0.015 0.020 F 0.79 0.93 0.031 0.037 G 1.78 2.03 0.070 0.080 J 0.08 0.15 0.003 0.006 K 0.46 0.60 0.018 0.024 L 0.445 0.60 0.0175 0.024 L1 0.40 0.60 0.016 0.024 R 0.72 0.83 0.028 0.033 S 2.11 2.48 0.083 0.098 NOTEs 1. Dimensioning and tolerances per ANSI Y14.M, 1985. 2. Controlling dimension: inches. 3. Dimensions are exclusive of mold flash and metal burrs. A G L BS L1 F D C R SR70 J K pad layout dimensions millimeters dim min max inches min max A 1.88 2.13 0.074 0.084 B 1.80 2.06 0.071 0.081 C 0.71 0.97 0.028 0.038 D 0.76 1.02 0.030 0.040 E 1.07 1.32 0.042 0.052 F 0.71 0.97 0.028 0.038 NOTES 1. Controlling dimension: inches. C A B D E F 05172.R12 7/23 Page 4 ISO 9001 CERTIFIED COMPANY 05172 TAPE AND REEL Only One Name Means ProTek’Tion™ t Top Cover Tape K0 D A0 P0 P2 10 Pitches Cumulative Tolerance on Tape. ± 0.2 E Pin 1 F W SR70 B0 P User Direction of Feed Reel Dia. 178mm (7”) Tape Width 8mm A0 3.10 ± 0.10 specifications B0 K0 D E F W P0 P2 P 2.70 ± 0.10 1.35 ± 0.10 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 Notes 1. Dimensions are in millimeters. 2. Surface mount product is taped and reeled in acc.


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