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| SAC SERIES Low Capacitance Transient Voltage Suppressor Diodes Voltage Range 5.0 to 50 Volts 500 Watts Peak Power 1.0 Watt Steady State Features Plastic package has Underwriters Laboratory Flammability Classification 94V-0 500W surge capability at 10 X 1000us waveform, duty cycle: 0.01% Excellent clamping capability Low incremental surge resistance Fast response time: Typically less than 1.0ps from 0 volts to VBR for unidirectional and 5.0 nS for bidirectional O High temperature soldering guaranteed: 260 C / 10 seconds / .375",(9.5mm) lead length / 5lbs.,(2.3kg) tension Idel for data line applications Maximum junction capacitance at o volts is 50 pF DO-15 Mechanical Data Case: JEDEC DO-15 molded plastic over a passicated junction Lead: Axial leads, solderable per MIL-STD750, Method 2026 Polarity: Color band denotes cathode except bipolar Weight: 0. 4 gram, 0.015 ounce Dimensions in inches and (millimeters) Maximum Ratings and Electrical Characteristics Rating at 25ambient temperature unless otherwise specified. Type Number Peak Power Dissipation at TA=25 C, Tp=1ms O Symbol PPK PD TJ, TSTG Value Minimum 500 3.0 -55 to + 175 O Units Watts Watts O (Note 1) Steady State Power Dissipation at TL=75 OC Lead Lengths .375", 9.5mm Operating and Storage Temperature Range C Notes: 1. Non-repetitive Current Pulse Per Fig. 3 and Derated above TA=25 C Per Fig. 2. - 638 - ELECTRICAL CHARACTERISTICS (TA=25OC unless otherwise noted) Device Breakdown Voltage Test Stand-Off Maximum VBR Current Voltage Reverse Leakage (Volts) (Note 1) @IT VWM at VWM Min SAC5.0 SAC6.0 SAC7.0 SAC8.0 SAC8.5 SAC10 SAC12 SAC15 SAC18 SAC22 SAC26 SAC30 SAC36 SAC45 SAC50 7.60 7.90 8.33 8.89 9.44 11.10 13.30 16.70 20.00 24.40 28.90 33.30 40.00 50.00 55.50 Max 9.21 9.51 10.2 10.9 11.5 13.6 16.3 20.4 24.4 29.8 35.3 40.7 48.9 61.1 68.3 (mA) 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 (Volts) 5.0 6.0 7.0 8.0 8.5 10 12 15 18 22 26 30 36 45 50 ID (uA) 300 300 300 100 50 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 Maximum Peak Pulse Current IPPM (Note 2)(Amps) 44 41 38 36 34 29 25 20 15 14 11.1 10.0 8.6 6.8 5.8 Maximum Clamping Voltage at IPPM VC(Volts) 10.00 11.2 12.6 13.4 14.0 16.3 19.0 23.6 28.8 35.4 42.3 48.6 60.0 77.0 88.0 Maximum Temperature Coefficient of VBR mV / C) 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 O Note: There are A suffix for types SAC 5.0 thru type SAC 50. "A" : + / - 5% tolerance. Notes: 1. Diode Schematic Low Capacitance TVS Translent Voltage Suppressor 2. Device must be used with two units in parallel, opposite in polarity as shown in circuit for AC signal line protection - 639 - Characteristics and Application SAC is a Transient Voltage Suppressor Diode in series with a compensation diode for low capacitance. Transient Voltage Suppressors may be used at various points in a circuit to provide various degrees of protection. Transient Voltage Suppressor provides excellent clamping capability. Since the low incremental surge resistance. For telecommumication : multi-protocol serial transceivers. Please refer as below: -) Cellular -) Universal series bus (USB) port production. -) Instrumentation. -) LAN / WAN equipment. -) Peripherals. -) High speed data lines. Tow devices are used in parallel and opposite polarity for protecting one bi-directional ines (FIG. 1), or with a steeling diode for protecting one unidirectional (FIG. 2). The low capacitance TVS series are used on high speeded interfaces such as video line, I C RS-485, RS-422 and USB, for ESD protection the lines which have signal, or data. Please refer as below: 1). Token Ring 2). I C 3). Video line 4). Set top box I/O 5). LAN / WAN equipment. 6). Security system 7). Automatic teller machine 8). HFC system 9). Networks Low Capacitance TVS Low Capacitance TVS 2 2 FIG. 1 FIG. 2 Device must be used with two units in parallel, opposite in polarity as shown in circuit for AC signal line protection - 640 - RATINGS AND CHARACTERISTIC CURVES (SAC SERIES) FIG.1- PEAK PULSE POWER RATING CURVE 100 FIG.2- PULSE DERATING CURVE Average Power 10 Impulse Exponential Decay Non-repetitive Pulse Waveform shown in Fig.3 TA=250C PERCEMTAGE OF RATED POWER (%) 30 PPPM, PEAK PULSE POWER (KW) 75 Peak Power (single pulse) 50 PPK".5 tld 1 PPK td Half Sine td=7tp 25 PPK Square td Current Waveform 0.1 0.1 s 1.0 s 10 s 100 s 0 1.0ms 10ms 0 50 100 O 150 175 tp, PULSE WIDTH, (sec.) TL, LEAD TEMPERATURE( C) FIG.3- PULSE WAVEFORM 150 Tj=250C Pulse Width (td) is defined sa the point where the peak current decays to 50% of lPPM IPPM-PEAK PULSE CURRENT, % IPSM tr=10msec. Peak Value lPPM 100 HALF VALUE - IPP lPPM 2 50 10/1000msec. Waveform as defined by R.E.A. td 0 0 1.0 2.0 t TIME (ms) 3.0 4.0 - 641 - |
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