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1SMB15CAT3G

hot 1SMB15CAT3G

1SMB15CAT3G

For Reference Only

Part Number 1SMB15CAT3G
Manufacturer Littelfuse Inc.
Description TVS DIODE 15VWM 24.4VC SMB
Datasheet 1SMB15CAT3G Datasheet
Package DO-214AA, SMB
In Stock 131080 piece(s)
Unit Price $ 0.1446 *
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1SMB15CAT3G

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1SMB15CAT3G Specifications

ManufacturerLittelfuse Inc.
CategoryCircuit Protection - TVS - Diodes
Datasheet 1SMB15CAT3G Datasheet
PackageDO-214AA, SMB
SeriesAutomotive, AEC-Q101
TypeZener
Bidirectional Channels1
Voltage - Reverse Standoff (Typ)15V
Voltage - Breakdown (Min)16.7V
Voltage - Clamping (Max) @ Ipp24.4V
Current - Peak Pulse (10/1000��s)24A
Power - Peak Pulse600W
Power Line ProtectionNo
ApplicationsAutomotive
Capacitance @ Frequency555pF @ 1MHz
Operating Temperature-65°C ~ 150°C (TJ)
Mounting TypeSurface Mount
Package / CaseDO-214AA, SMB
Supplier Device PackageSMB

1SMB15CAT3G Datasheet

Page 1

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© 2017 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 11/17/17 TVS Diodes Surface Mount > 600W > 1SMB10CAT3G Series • Working Peak Reverse Voltage Range − 10 V to 75 V • Standard Zener Breakdown Voltage Range − 11.7 V to 91.7 V • Peak Power − 600 Watts @ 1 ms • ESD Rating of Class 3 (> 16 kV) per Human Body Model • Maximum Clamp Voltage @ Peak Pulse Current • Low Leakage < 5 µA Above 10 V • UL 497B for Isolated Loop Circuit Protection • Response Time is Typically < 1 ns • Pb−Free Packages are Available Features The 1SMB10CAT3Gv series is designed to protect voltage sensitive components from high voltage, high energy transients. They have excellent clamping capability, high surge capability, low zener impedance and fast response time. The 1SMB10CAT3G series is supplied in the Littelfuse exclusive, cost-effective, highly reliable package and is ideally suited for use in communication systems, automotive, numerical controls, process controls, medical equipment, business machines, power supplies and many other industrial/consumer applications. Description Parameter Symbol Value Unit Peak Power Dissipation (Note 1) @ TL = 25°C, Pulse Width = 1 ms PPK 600 W DC Power Dissipation @ TL = 75°C Measured Zero Lead Length (Note 2) Derate Above 75°C Thermal Resistance from Junction− to−Lead PD R JL 3.0 40 25 W mW/°C °C/W DC Power Dissipation (Note 3) @ TA = 25°C Derate Above 25°C Thermal Resistance from Junction–to– Ambient PD R θJA 0.55 4.4 226 W mW/°C °C/W Operating and Storage Temperature Range TJ, Tstg -65 to +150 °C Maximum Ratings and Thermal Characteristics 1SMB10CAT3G Series Functional Diagram Bi-directional Uni-directional Cathode Anode Pb Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability. 1. 10 X 1000 µs, non−repetitive 2. 1” square copper pad, FR−4 board 3. FR−4 board, using Littelfuse minimum recommended footprint, as shown in 403A-03 case outline dimensions spec *Please see 1SMB5.0AT3 to 1SMB170AT3 for Unidirectional devices Additional Information SamplesResourcesDatasheet

Page 3

© 2017 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 11/17/17 TVS Diodes Surface Mount > 600W > 1SMB10CAT3G Series Symbol Parameter IPP Maximum Reverse Peak Pulse Current VC Clamping Voltage @ IPP VRWM Working Peak Reverse Voltage IR Maximum Reverse Leakage Current @ VRWM VBR Breakdown Voltage @ IT IT Test Current I-V Curve Characteristics (TA = 25°C unless otherwise noted) IPP IPP IRIT ITIRVRWMVC VBR VRWM VCVBR

Page 4

© 2017 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 11/17/17 TVS Diodes Surface Mount > 600W > 1SMB10CAT3G Series Electrical Characteristics Device* Device Marking V RWM (Note 6) IR @ VRWM Breakdown Voltage VC @ IPP (Note 8) C Typ. (Note 9)VBR @ IT (V) (Note 7) @ IT VC IPP Volts µA MIN NOM MAX mA Volts Amps pF 1SMB10CAT3G KXC 10 5.0 11.1 11.69 12.27 1.0 17.0 35.3 805 1SMB11CAT3G KZC 11 5.0 12.2 12.84 13.5 1.0 18.2 33.0 740 1SMB12CAT3G LEC 12 5.0 13.3 14.00 14.7 1.0 19.9 30.2 680 1SMB13CAT3G LGC 13 5.0 14.4 15.16 15.9 1.0 21.5 27.9 630 1SMB14CAT3G LKC 14 5.0 15.6 16.42 17.2 1.0 23.2 25.8 590 1SMB15CAT3G LMC 15 5.0 16.7 17.58 18.5 1.0 24.4 24.0 555 1SMB16CAT3G LPC 16 5.0 17.8 18.74 19.7 1.0 26.0 23.1 520 1SMB17CAT3G LRC 17 5.0 18.9 19.90 20.9 1.0 27.6 21.7 490 1SMB18CAT3G LTC 18 5.0 20.0 21.06 22.1 1.0 29.2 20.5 465 1SMB20CAT3G LVC 20 5.0 22.2 23.37 24.5 1.0 32.4 18.5 425 1SMB22CAT3G LXC 22 5.0 24.4 25.69 27.0 1.0 35.5 16.9 390 1SMB24CAT3G LZC 24 5.0 26.7 28.11 29.5 1.0 38.9 15.4 366 1SMB26CAT3G MEC 26 5.0 28.9 30.42 31.9 1.0 42.1 14.2 330 1SMB28CAT3G MGC 28 5.0 31.1 32.74 34.4 1.0 45.4 13.2 310 1SMB30CAT3G MKC 30 5.0 33.3 35.06 36.8 1.0 48.4 12.4 290 1SMB33CAT3G MMC 33 5.0 36.7 38.63 40.6 1.0 53.3 11.3 265 1SMB36CAT3G MPC 36 5.0 40.0 42.11 44.2 1.0 58.1 10.3 245 1SMB40CAT3G MRC 40 5.0 44.4 46.74 49.1 1.0 64.5 9.3 220 1SMB43CAT3G MTC 43 5.0 47.8 50.32 52.8 1.0 69.4 8.6 210 1SMB45CAT3G MVC 45 5.0 50.0 52.63 55.3 1.0 72.2 8.3 200 1SMB48CAT3G MXC 48 5.0 53.3 56.11 58.9 1.0 77.4 7.7 190 1SMB51CAT3G MZC 51 5.0 56.7 59.69 62.7 1.0 82.4 7.3 175 1SMB54CAT3G NEC 54 5.0 60.0 63.16 66.32 1.0 87.1 6.9 170 1SMB58CAT3G NGC 58 5.0 64.4 67.79 71.18 1.0 93.6 6.4 155 1SMB60CAT3G NKC 60 5.0 66.7 70.21 73.72 1.0 96.8 6.2 150 1SMB64CAT3G NMC 64 5.0 71.1 74.84 78.58 1.0 103 5.8 145 1SMB75CAT3G NRC 75 5.0 83.3 91.65 92.07 1.0 121 4.9 125 4. A transient suppressor is normally selected according to the working peak reverse voltage (VRWM), which should be equal to or greater than the DC or continuous peak operating voltage level. 5. VBR measured at pulse test current IT at an ambient temperature of 25°C. 6. Surge current waveform per Figure 2 and derate per Figure 3 of the General Data − 600 Watt at the beginning of this group. 7. Bias Voltage = 0 V, F = 1 MHz, TJ = 25°C

Page 5

© 2017 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 11/17/17 TVS Diodes Surface Mount > 600W > 1SMB10CAT3G Series Figure 1. Pulse Rating Curve Ratings and Characteristic Curves Figure 2. Pulse Waveform Figure 3. Pulse Derating Curve Figure 4. Typical Junction Capacitance vs. Bias Voltage Typical Protection Circuit NONREPETITIVE PULSE WAVEFORM SHOWN IN FIGURE 2 t 1 10 100 0.1 s1 s1 0 s 100 s 1 ms 10 ms 0.1 in in

Page 6

© 2017 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 11/17/17 TVS Diodes Surface Mount > 600W > 1SMB10CAT3G Series Application Notes Response Time In most applications, the transient suppressor device is placed in parallel with the equipment or component to be protected. In this situation, there is a time delay associated with the capacitance of the device and an overshoot condition associated with the inductance of the device and the inductance of the connection method. The capacitive effect is of minor importance in the parallel protection scheme because it only produces a time delay in the transition from the operating voltage to the clamp voltage as shown in Figure 5. The inductive effects in the device are due to actual turn-on time (time required for the device to go from zero current to full current) and lead inductance. This inductive effect produces an overshoot in the voltage across the equipment or component being protected as shown in Figure 6. Minimizing this overshoot is very important in the application, since the main purpose for adding a transient suppressor is to clamp voltage spikes. The SMB series have a very good response time, typically < 1 ns and negligible inductance. However, external inductive effects could produce unacceptable overshoot. Proper circuit layout minimum lead lengths and placing the suppressor device as close as possible to the equipment or components to be protected will minimize this overshoot. Some input impedance represented by Zin is essential to prevent overstress of the protection device. This impedance should be as high as possible, without restricting the circuit operation. Duty Cycle Derating The data of Figure 1 applies for non-repetitive conditions and at a lead temperature of 25ºC. If the duty cycle increases, the peak power must be reduced as indicated by the curves of Figure 7. Average power must be derated as the lead or ambient temperature rises above 25ºC. The average power derating curve normally given on data sheets may be normalized and used for this purpose. At first glance the derating curves of Figure 7 appear to be in error as the 10 ms pulse has a higher derating factor than the 10 s pulse. However, when the derating factor for a given pulse of Figure 7 is multiplied by the peak power value of Figure 1 for the same pulse, the results follow the expected trend. Figure 6. Figure 7. Typical Derating Factor for Duty Cycle Figure 5.

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