1.5SMC LITTELFUSE

Document overview

  • Manufacturer or author: Provided By digicamel.com
  • PDF pages: 4

Technical content

278 www.littelfuse.com 1500W Surface Mount Transient Voltage Supressors 1.5SMC Series

FEATURES

  • RoHS compliant
  • For surface mounted applications in order to optimize board space
  • Low profile package
  • Built-in strain relief
  • Glass passivated junction
  • Low Inductance
  • Excellent clamping capability
  • Repetition Rate (duty cycle):0.05%
  • Fast response time: typically less than 1.0ps from 0 Volts to BV min.
  • Typical IR less than 1µA above 10V
  • High temperature soldering: 250˚C/10 seconds at terminals DEVICES FOR BIPOLAR APPLICATION For Bidirectional use Suffix CA for types 1.5SMC6.8CA thru types 1.5SMC550CA Electrical characteristics apply in both directions MAXIMUM RATINGS AND CHARACTERISTICS @25˚C AMBIENT TEMPERATURE (unless otherwise noted) PARAMETER Peak pulse power Dissipation on 10/1000µs waveform (Note 1.2,FIG.1) Peak pulse current of on 10/1000µs waveform (Note 1, FIG.3) Peak Forward Surge Current, 8.3ms Single Half Sine-Wave Superimposed on Rated Load, (JEDEC Method)(Note3) Operating junction and Storage Temperature Range VALUE Min 1500 See Table 1 200 -55 to +150 UNIT Watts Amps Amps Notes: 1. Non-repetitive current pulse, per Fig.3 and derated above TA= 25˚C per Fig.2 2. Mounted on 8.0mm2 Copper Pads to each terminal 3. 8.3ms single half sine-wave, or equivalent square wave, Duty cycle = 4 pulses per minutes maximum SYMBOL PPPM IPPM IFSM Tj, TsTG Mechanical Specifications: Weight: 0.007 ounce, 0.21 gram Case: JEDEC DO214AB. Molded plastic over glass passivated junction Mounting Position: Any Polarity: Color band denoted positive end (cathode) except Bidirectional Terminal: Solder plated, solderable per MIL-STD- 750, Method 2026 Standard Packaging: 16mm tape (EIA STD RS-481) 1.5SMC CA Voltage Bi-Directional 5% Voltage Tolerance T = Tape and reeled (3000 pcs)

ORDERING INFORMATION

Agency Approvals: Recognized under the Components Program of Underwriters Laboratories. Agency File Number: E128667 RoHS

279www.littelfuse.com 6SILICON DIODE ARRAYS 1500W Surface Mount Transient Voltage Supressors 1.5SMC Series RoHS Part Number (Uni) Part Number (Bi) Device Marking Code Breakdown Voltage VBR (Volts) @ IT Maximum Reverse Leakage IR @ VR (µA) Maximum Clamping Voltage VC @ IPP (Volts) Maximum Peak Pulse Current IPP (A) ELECTRICAL SPECIFICATION @ Tamb 25°C Reverse Stand off Voltage V R (Volts)UNI BI MIN MAX For bidirectional type having Vrwm of 10 volts and less, the IR limit is double. The avaliable parts are "A" type only, the parts without A (VBR is ± 10%) is not avaliable. Test Current IT (mA)

280 www.littelfuse.com 1500W Surface Mount Transient Voltage Supressors Fig. 1 Peak Pulse Power Rating Fig. 3 Pulse Waveform Fig. 5- Typ. Transient Thermal Impedance Fig. 6- Maximum Non-Repetitive Fig. 4- Typical Junction Capacitance Fig. 2 Pulse Derating Curve td- Pulse Width (sec.) TA- Ambient Temperature (˚C) PPPM- Peak Pulse Power (KW)IPPM- Peak Pulse Current, % I RSM Transient Thermal Impedance (˚C/W) Peak Forward Surge Current (A) CJ-Junction Capacitance (pF) Peak Pulse Power (PPP) or Current (IPP) Derating in Percentage, % 0.1µs 1.0µs 10µs 100µs 1.0ms 10ms 0.1 100 Copper Pad Areas 0.1 1.0 100 100 150 1.0 2.0 3.0 4.0 0.001 0.01 0.1 1 10 100 1000 1 100 200 20000 10000 1000 100 1.0 10 100 200 10 100 100 100 125 150 175 200 tp- Pulse Duration(sec) Number of Cycles at 60Hz VWM-Reverse Stand-Off Voltage (V) Forward Surge Current Uni-Directional Use Only tr=10µsec Peak Value IPPM Half Value IPPM TJ=25˚C Pulse Width(td) is defined as the point where the peak current decays to 50% of IPPM 10/1000µsec. Waveform as defined by R.E.A td

8.3 Single Half Sine-Wave

(JEDEC Method) TJ=TJ max. Measured at Zero Bias Uni-Directional Bi-Directional TJ=25˚C f=1.0MHZ Vsig=50mVp-p VR, Measured at Stand-Off Voltage, VWM Ratings and Characteristic Curves TA=25˚C unless otherwise noted 1.5SMC Series RoHS

281www.littelfuse.com 6SILICON DIODE ARRAYS 1500W Surface Mount Transient Voltage Supressors 1.5SMC Series RoHS DO-214AB (SMC J-Bend) 0.280 (7.11) 0.260(6.60) 0.2.45 (6.22) 0.220 (5.59) 0.125 (3.20) 0.114 (2.90) 0.012 (0.305) 0.006 (0.152) 0.060 (1.52) 0.030 (0.76) 0.320 (8.13) 0.305 (7.75) 0.103 (2.62) 0.079 (2.06) 0.008 (0.203) MAX Dimensions in inches and (millimeters) Cathode Band Package Outline Dimensions and Pad Layouts