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PD0120.183NL bảng dữ liệu(PDF) 2 Page - Pulse A Technitrol Company |
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PD0120.183NL bảng dữ liệu(HTML) 2 Page - Pulse A Technitrol Company |
2 / 2 page USA 858 674 8100 •• Germany 49 7032 7806 0 •• Singapore 65 6287 8998 •• Shanghai 86 21 54643211 / 2 •• China 86 755 33966678 •• Taiwan 886 3 4641811 www.pulseeng.com 70 SPM2007 (11/07) SMT POWER INDUCTORS Wirewound - PD0120NL Series 0.0 10.00 20.0 30.0 40.0 50.0 60.0 0 5 10 15 20 25 30 35 40 Normalized IDC (Amps) PD0120.503 PD0120.373 PD0120.223 PD0120.183 PD0120.113 PD0120.702 PD0120.532 PD120.332 PD0120.222 PD0120.152 PD0120.102 Notes from Tables 1. The rated current as listed is either the saturation current or the heating current depending on which value is lower. 2. The saturation current is the current which causes the inductance to drop by 10% at the stated ambient temperatures (-40°C, 25°C and 125°C). This current is determined by placing the component in the specified ambient environment and apply- ing a short duration pulse current (to eliminate self-heating effects) to the component. 3. The heating current is the DC current which causes the temperature of the part to increase by approximately 45°C. This current is determined by mounting the component on a PCB with .25" wide, 3 oz. equivalent copper traces, and applying the current to the device for 30 minutes with no forced air cooling. 4. In high volt*time applications, additional heating in the component can occur due to losses in the inductor which may neccessitate derating the current in order to limit the temperature rise of the component. In order to determine the approximate total losses (or temperature rise) for a given application both copper losses and core losses should be taken into account. 5. Optional Tape & Reel packaging can be ordered by adding a "T" suffix to the part number (i.e. PD0120.102 becomes PD0120.102T). Pulse complies to industry standard tape and reel specification EIA481. Estimated Temperature Rise: Trise = Coreloss (mW) + DCRloss (mW) .833 (°C) 7.05 Coreloss = 1.86E-12 * (Freq (kHz))1.63 * (Kc * Vµsec)2.17 (mW) DCRloss = Irms2 * DCR(m Ω) (mW) Irms = IDC2 + dI 2 ½ (Arms) 12 Freq (kHz) = switching frequency (kHz) Vµsec = L (µH) * dI or V * D * 1000/Freq (kHz) dI = pk – pk ripple current across the component (A) V = Voltage across the component (V) D = Duty cycle 6. The "NL" suffix indicates an RoHS-compliant part number. Non- NL suffixed parts are not necessarily RoHS compliant, but are electrically and mechanically equivalent to NL versions. If a part number does not have the "NL" suffix, but an RoHS compliant version is required, please contact Pulse for availability. 7. The temperature of the component (ambient plus temperature rise) must be within the stated operating temperature range. Inductance vs Current Characteristics |
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