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| www.johansondielectrics.com HigH Voltage Polyterm(R) CeramiC CaPaCitors Standard MLCCs are prone to cracking due to mishandling, depanelization, and board flexing. In response to customer requests for higher resistance to mechanical stress, and as a result of continuous efforts to improve our products, JDI has introduced PolyTerm(R) termination ceramic capacitors to meet those customer requirements for increased resistance to flexure cracking. PolyTerm(R) is a conductive epoxy termination material loaded with silver, allowing it to absorb much more bending force than standard termination material. after termination PolyTerm(R) parts are nickel and tin plated using the same process as standard parts. There is no effect on solderability or capability to withstand the soldering process. PolyTerm(R) capacitors are ideal for use in telecom, power supply, inverter, and modem applications. 100% Sn External Termination Ceramic Body 100% Sn External Termination Ni Barrier PolyTerm(R) Pd/Ag Internal Electrodes Features * Lead Free Terminations 100% Sn, Final Termination * Electrodes: Pd/Ag * Core Termination: PolyTerm(R) * Middle Barrier Layer: Ni * External Termination Layer: 100% Sn * NP0 and X7R temperature coefficient * Highly reliable performance * Industry standard case sizes Howtoorder 302 VOLTAGE 1st two digits are significant; third digit denotes number of zeros to follow eg: 302 = 3000 VDCW R29 CASE SIZE R15 = 0805 R18 = 1206 S41 = 1210 S43 = 1812 S47 = 2220 S48 = 2225 S49 = 1825 N DIELECTRIC N = NP0 W = x7R 1R0 CAPACITANCE 1st two digits are significant; third digit denotes number of zeros to follow eg: 101 = 100 pF R denotes decimal eg: 1R0 = 1.0 pF C TOLERANCE B = 0.1 pF C = 0.25 pF D = 0.5 pF J = 5% K = 10% M = 20% F TERMINATION F = PolyTerm(R) 4 MARKING 4 = Unmarked E TAPE CODE E = 7" Plastic T = Paper 7" reel Safety Certified capacitor p/ns end with "-****-SC" and are rated at 250 Volts aC. Example Part Number: 302R29N1R0CF4E 1 15191 Bledsoe Street, Sylmar, California 91342 * (818) 364-9800* Fax (818) 364-6100 www.johansondielectrics.com HigHVoltagePolyterm(R)aVailability-NP0dielectric SIZE Voltage 0805 1000V 500V 630V 500V 1206 1000V 2000V 3000V 630V 500V 1210 1000V 2000V 3000V 1000V 630V 500V 630V 1808 2000V 3000V 4000V 5000V X2Y3 X1Y2 500V 630V 1812 1000V 2000V 3000V 4000V 5000V 2211 Y2 * 1.0 pF 10 pF 12 pF 15 pF 18 pF 22 pF 27 pF 33 pF 39 pF 47 pF 56 pF 68 pF 82 pF 100 pF 120 pF 150 pF 180 pF 220 pF 270 pF 330 pF 390 pF 470 pF 560 pF 680 pF 820 pF 1.0 nF 1.2 nF 1.5 nF 1.8 nF 2.2 nF 2.7 nF 3.3 nF 3.9 nF 4.7 nF 5.6 nF 6.8 nF 8.2 nF 10 nF * * * * * * * * * * * * * * * * * * * * Note: Part values marked with "*" have better availability and shorter lead times. 15191 Bledsoe Street, Sylmar, California 91342 * (818) 364-9800* Fax (818) 364-6100 2 www.johansondielectrics.com HigHVoltagePolyterm(R)aVailability-NP0dielectric SIZE Voltage 500V 630V 1825 1000V 2000V 3000V 4000V 5000V 500V 630V 2220 1000V 2000V 3000V 4000V 5000V 500V 630V 2225 1000V 2000V 3000V 4000V 5000V 1.0 pF 10 pF 15 pF 18 pF 22 pF 27 pF 33 pF 47 pF 56 pF 68 pF 82 pF 100 pF 150 pF 180 pF 220 pF 270 pF 330 pF 470 pF 560 pF 680 pF 820 pF 1.0 nF 1.2 nF 1.5 nF 1.8 nF 2.2 nF 2.7 nF 3.3 nF 4.7 nF 5.6 nF 6.8 nF 8.2 nF 10 nF 12 nF 15 nF 18 nF 22 nF 27 nF 33 nF 39 nF 47 nF Note: Part values marked with `*' have better availability and shorter lead times. 3 15191 Bledsoe Street, Sylmar, California 91342 * (818) 364-9800* Fax (818) 364-6100 www.johansondielectrics.com HigHVoltagePolyterm(R)aVailability-X7rdielectric SIZE Voltage 0805 1000V 500V 630V 500V 1206 1000V 2000V 3000V 630V 500V 1210 1000V 2000V 3000V 1000V 630V 500V 630V 1808 2000V 3000V 4000V 5000V 1000V X2Y3 X1Y2 500V 630V 1812 2000V 3000V 4000V 5000V X2Y3 2211 Y2 * 100 pF 150 pF 180 pF 220 pF 270 pF 330 pF 470 pF 560 pF 680 pF 820 pF 1.0 nF 1.2 nF 1.5 nF 1.8 nF 2.2 nF 2.7 nF 3.3 nF 3.9 nF 4.7 nF 5.6 nF 6.8 nF 8.2 nF 10 nF 12 nF 15 nF 18 nF 22 nF 27 nF 33 nF 39 nF 47 nF 56 nF 68 nF 82 nF 100 nF 120 nF 150 nF 180 nF * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Note: Part values marked with "*" have better availability and shorter lead times. 15191 Bledsoe Street, Sylmar, California 91342 * (818) 364-9800* Fax (818) 364-6100 4 www.johansondielectrics.com HigHVoltagePolyterm(R)aVailability-X7rdielectric SIZE Voltage 500V 630V 1825 1000V 2000V 3000V 4000V 5000V 1000V 500V 630V 2220 2000V 3000V 4000V 5000V X1Y2 500V 630V 2225 1000V 2000V 3000V 4000V 5000V 270 pF 330 pF 470 pF 560 pF 680 pF 820 pF 1.0 nF 1.2 nF 1.5 nF 1.8 nF 2.2 nF 2.7 nF 3.3 nF 3.9 nF 4.7 nF 5.6 nF 6.8 nF 8.2 nF 10 nF 12 nF 15 nF 18 nF 22 nF 27 nF 33 nF 39 nF 47 nF 56 nF 68 nF 82 nF 100 nF 120 nF 150 nF 180 nF 220 nF 270 nF 330 nF 390 nF 470 nF 560 nF 680 nF * * * Note: Part values marked with `*' have better availability and shorter lead times. 5 15191 Bledsoe Street, Sylmar, California 91342 * (818) 364-9800* Fax (818) 364-6100 www.johansondielectrics.com beNdtestdescriPtioN The test board is designed so that the capacitance of the part can be measured while the part is being flexed (See figure 1). The capacitor is mounted at the center of the board. The testing equipment has a pressing block that is located so that it applies force at the center of the test board from below the part at a constant rate. Since the edges of the board are held in place by the support pins, this causes the board to flex. The amount of flex is measured in millimeters from the center of the board to the edge, please see "A" in Figure 2. 20 + + R2.5 R340 "A" Pressing Block A Probes Support Pins 40 452 452 Figure 1 Units: mm Figure 2 As the test board is flexed, the capacitance is constantly being measured by a capacitance meter which is connected to the test boards through capacitance probes. The capacitance is first measured at 0mm flex to establish the nominal value. The test board is then flexed to 1mm and held for at least on second, then the capacitance is measured, it is then flexed to 2mm, and so on up to 5mm. Any change in capacitance that exceeds 5% of the nominal value is considered a failure. Bend Test Results 1808 size 100% 90% 80% 70% 60% 50% 40% 30% 20% 10% 0% % of Parts that Fail PolyTerm Standard Product 3 mm 4 mm 5 mm 6 mm 8 mm 10 mm Board Flex (mm) 15191 Bledsoe Street, Sylmar, California 91342 * (818) 364-9800* Fax (818) 364-6100 6 www.johansondielectrics.com eXamPleoFcustomeraPPlicatioN Johanson Dielectrics receives a lot of requests from our customers to help them with cracking issues. One customer had cracking at a rate of 16% on 1206 size high voltage capacitors during their process. The top picture of Figure 3 shows a clear mechanical crack with a 45 degree angle at the termination solder pad interface. Repopulating the same board with PolyTerm(R) capacitors showed no cracking failures. The bottom picture of Figure 3 shows how PolyTerm(R) Capacitors solved these problems. No cracking was exhibited on any of the PolyTerm(R) capacitors during the customer assembly process. Figure 3 7 15191 Bledsoe Street, Sylmar, California 91342 * (818) 364-9800* Fax (818) 364-6100 |
Price & Availability of 302R15N101MF4T
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