SMD storage inductor with optimized soldering properties
With saturation currents up to 13 A and the extremely small package size of 4838 (4.8 × 4.8 × 3.8 mm) are special features of the SMD storage inductor in the WE-SPC series. Its magnetic shielding creates a low-level stray field so the chokes can be used especially in portable devices like cell phones, digital cameras, PDAs, PCMCIA cards or switching controllers. Low internal losses and a high self-resonant frequency favor these applications.
With the special design of these storage inductors, Würth Elektronik optimizes their soldering properties and realizes a constant saturation behavior. The reflow soldering procedure is recommended for components of the WE-SPC series.
The series includes 19 types with inductances of 0.22 to 100 µH and a RDC of 0.014 to 0.85 Ω. Its specified operating temperature range is –40 to +125 °C.
Characteristics | Applications |
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4818 | ||||||||
WE Order Code | L (µH) | IR (A) | Isat (A) | RDC typ (Ω) | RDC (Ω) | fres (MHz) | Farnell Order Code | |
0.22 | 4.5 | 9.5 | 0.0127 | 0.015 | 230 | 21142712114271 | ||
0.43 | 3.8 | 8 | 0.0149 | 0.0176 | 160 | 21142722114272 | ||
0.68 | 3.4 | 6.5 | 0.0187 | 0.0221 | 120 | 21142732114273 | ||
1 | 3 | 5.4 | 0.025 | 0.0295 | 100 | 21142742114274 | ||
2.2 | 2.1 | 3.6 | 0.056 | 0.0661 | 65 | 21142752114275 | ||
2.9 | 1.55 | 3 | 0.085 | 0.101 | 55 | 21142772114277 | ||
3.5 | 1.5 | 2.8 | 0.095 | 0.113 | 52 | 21142782114278 | ||
5 | 1.4 | 2.5 | 0.117 | 0.14 | 43 | 21142792114279 | ||
6.8 | 1.1 | 2.1 | 0.16 | 0.19 | 40 | 21142802114280 | ||
7.8 | 1.05 | 1.9 | 0.195 | 0.23 | 35 | 21142812114281 | ||
8.9 | 0.95 | 1.7 | 0.203 | 0.24 | 33 | 21142822114282 | ||
10 | 0.9 | 1.6 | 0.21 | 0.248 | 33 | 21142832114283 | ||
15 | 0.75 | 1.35 | 0.365 | 0.43 | 24 | 21142842114284 | ||
22 | 0.65 | 1.1 | 0.465 | 0.549 | 20 | 21142852114285 | ||
33 | 0.45 | 0.9 | 0.86 | 1.015 | 15 | 21142862114286 | ||
47 | 0.4 | 0.75 | 0.96 | 1.133 | 14 | 21142872114287 | ||
4828 | ||||||||
WE Order Code | L (µH) | IR (A) | Isat (A) | RDC typ (Ω) | RDC (Ω) | fres (MHz) | Farnell Order Code | |
0.22 | 5.3 | 13.5 | 0.0122 | 0.0144 | 220 | 21142892114289 | ||
0.39 | 4.2 | 10.3 | 0.015 | 0.0177 | 160 | 21142912114291 | ||
0.56 | 4.1 | 8.3 | 0.0156 | 0.0184 | 120 | 21142922114292 | ||
0.82 | 3.5 | 6.7 | 0.021 | 0.0248 | 100 | 21142932114293 | ||
1.2 | 3.2 | 5.5 | 0.022 | 0.026 | 82 | 21142942114294 | ||
2.2 | 2.5 | 4 | 0.038 | 0.045 | 54 | 21142952114295 | ||
3.3 | 2.1 | 3.5 | 0.0483 | 0.057 | 44 | 21142962114296 | ||
4.7 | 1.55 | 2.9 | 0.0868 | 0.103 | 38 | 21142972114297 | ||
6.8 | 1.45 | 2.4 | 0.11 | 0.13 | 30 | 21142982114298 | ||
8.2 | 1.4 | 2.2 | 0.113 | 0.134 | 26 | 21142992114299 | ||
10 | 1.38 | 2.1 | 0.125 | 0.148 | 25 | 21143002114300 | ||
15 | 1.1 | 1.6 | 0.207 | 0.245 | 19 | |||
22 | 0.85 | 1.3 | 0.3 | 0.354 | 14 | |||
33 | 0.75 | 1.1 | 0.424 | 0.5 | 12 | |||
47 | 0.66 | 1 | 0.515 | 0.608 | 10 | |||
56 | 0.51 | 0.82 | 0.78 | 0.92 | 9.5 | |||
68 | 0.49 | 0.75 | 0.864 | 1.02 | 8 | |||
82 | 0.46 | 0.68 | 0.94 | 1.11 | 7 |
4838 | ||||||||
WE Order Code | L (µH) | IR (A) | Isat (A) | RDC typ (Ω) | RDC (Ω) | fres (MHz) | Farnell Order Code | |
0.22 | 5 | 13 | 0.012 | 0.014 | 250 | |||
0.39 | 4.2 | 9.3 | 0.0135 | 0.016 | 160 | |||
0.56 | 3.8 | 8.1 | 0.015 | 0.017 | 130 | |||
0.82 | 3.4 | 7.1 | 0.017 | 0.02 | 108 | |||
1 | 3.3 | 6.5 | 0.019 | 0.022 | 90 | |||
2.2 | 3 | 4.6 | 0.026 | 0.03 | 85 | |||
3.3 | 2.6 | 3.6 | 0.031 | 0.036 | 64 | |||
4.7 | 2.2 | 3.2 | 0.045 | 0.052 | 44 | |||
6.8 | 2 | 2.7 | 0.051 | 0.059 | 34 | |||
8.2 | 1.75 | 2.2 | 0.07 | 0.081 | 32 | |||
10 | 1.65 | 2.1 | 0.082 | 0.094 | 28 | |||
15 | 1.4 | 1.7 | 0.118 | 0.136 | 22 | |||
22 | 1.1 | 1.4 | 0.185 | 0.213 | 19 | |||
33 | 0.9 | 1.2 | 0.259 | 0.298 | 14 | |||
47 | 0.8 | 1.05 | 0.305 | 0.351 | 12 | |||
56 | 0.7 | 0.9 | 0.418 | 0.481 | 11 | |||
68 | 0.6 | 0.85 | 0.608 | 0.7 | 9.5 | |||
82 | 0.58 | 0.8 | 0.689 | 0.75 | 8 | |||
100 | 0.52 | 0.68 | 0.77 | 0.85 | 7.8 |
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