WLPM Series SMD Molded Power Inductors

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1 WLPM Series SMD Molded Power Inductors *Contents in this sheet are subject to change without prior notice. Page 1 of 7 ASC_WLPM Series_V3.0 June. 2015

2 FEATURES 1. Shielded construction. 2. Ultra low buzz noise. 3. Low DCR/µH. 4. Handles high transient current spikes without saturation. 5. Encapsulated body offers improved environmental protection and moisture resistance. 6. Higher dielectric withstanding voltage. 7. Corrosion resistant package. 8. RoHS Compliance. APPLICATIONS 1. PDA/Notebook/Desktop/Server applications high current and low profile power supplier. 2. High current POL converters. 3. Battery powered devices. SHAPE and DIMENSION Dimensions (mm) L 5.4 ± 0.3 W 5.2 ± 0.2 T 2.8 ± 0.2 A 1.2 ± 0.2 A 1.5 ± 0.1 B 2.2 ± 0.3 B 2.5 ± 0.3 H 0~+0.15 Recommend Pattern Recommend Pattern Dimensions (mm) A 2.5 B 2.2 C 6.0 Ordering Information WL PM M R20 L B Product Code Series Dimensions Thickness Tolerance Value Packing Code WL: Inductor SMD Molded power inductor. 5.4* 5.2mm 2.8mm M: ± 20% R20=0.20uH 1R0=1uH 100=10uH L=13 Reeled B:STD Page 2 of 7 ASC_WLPM Series_V3.0 June. 2015

3 Electrical Characteristics WLPM series Operating Temperature range: -55 to 125 Walsin Part Number L(uH) Tolerance Measuring Frequency (khz),1v RDC Maximum (mω) TYP. MAX. Heating Rating Current [A] (TYP.) Saturation Current [A] (TYP.) WLPM545230MR20LB 0.20 M WLPM545230MR47LB 0.47 M WLPM545230MR68LB 0.68 M WLPM545230M1R0LB 1.0 M WLPM545230M1R2LB 1.2 M WLPM545230M1R5LB 1.5 M WLPM545230M2R2LB 2.2 M WLPM545230M3R3LB 3.3 M WLPM545230M4R7LB 4.7 M WLPM545230M6R8LB 6.8 M WLPM545230M100LB 10.0 M Electrical Properties WLPM545230MR20LB WLPM545230MR47LB WLPM545230MR68LB WLPM545230M1R0LB Page 3 of 7 ASC_WLPM Series_V3.0 June. 2015

4 WLPM545230M1R2LB WLPM545230M1R5LB WLPM545230M2R2LB WLPM545230M3R3LB WLPM545230M4R7LB WLPM545230M6R8LB WLPM545230M100LB Page 4 of 7 ASC_WLPM Series_V3.0 June. 2015

5 Reliability Testing No. Item Specification and Requirement Test Method 1 Solder ability 2 Vibration 3 Shock The surface of terminal immersed shall be minimum of 95% covered with a new coating of solder. Inductance change: Within ± 5% Without mechanical dam age such as break. Inductance change: Within ± 5% Without mechanical dam age such as break. Solder heat proof: 1. Preheating: 160 ± Retention time: 245 ± 5 for 2 ± 0.5 seconds 1. Vibration frequency: (10 Hz to 55 Hz to 10H z) in 60 seconds as a period 2. Vibration time: Period cycled for 2 hours in each of 3 mutual perpendicular directions. 3. Amplitude: 1.5 mm max. 1. Peak value: 100 G 2. Duration of pulse: 11ms 3. 3 times in each positive and negative direction of 3 mutual perpendicular directions. Endurance Reliability No. Item Specification and Requirement Test Method damage in appearance. 1. Repeat 100 cycles as follow: (-55 ± 2 ; 30 ± 3 min) (Room tem p., 5 min) 1 Thermal Shock (+125 ± 2, 30 ± 3 min) (Room tem p., 5 min) 2. Recovery: / -0 hours of recovery under the standard condition after the test. (see Note 1) 1. Environment condition: 85 ± 2 2 High Temperature Resistance damage in appearance. Applied Current: Rated current. 2. Duration: / -0 hours (see Note 1) 1. Environment condition: 60 ± 2 3 Humidity Resistance damage in appearance. Humidity: 90 95% Applied Current: Rated current. 2. Duration: / -0 hours (see Note 1) 4 Low Temperature Store damage in appearance Store temperature: -55 ± 2, / -0 hours 5 High Temperature Store damage in appearance Store temperature: 125 ± 2, / -0 hours Page 5 of 7 ASC_WLPM Series_V3.0 June. 2015

6 Packaging Tape Packaging Dimensions Series A0 B0 K0 t MPC-5452CZ 5.9 ± ± ± ± 0.05 Reel Dimensions Page 6 of 7 ASC_WLPM Series_V3.0 June. 2015

7 Peel force of top cover tape The peel speed shall be about 300 mm/minute The peel force of top cover tape shall be between 0.1 to 0.7 N Quantity per reel:2k pcs Label making The following items shall be marked on the production and shipping Label on the reel Production Labe Part No Description Quantity Taping No. Shipping Label (1) *Customer's name (2)*Customer's part No (3) Manufacturer s part No (4) Manufacturer s name (5) Manufacturer's country *Note:Item (1) and (2) are listed by request Page 7 of 7 ASC_WLPM Series_V3.0 June. 2015

Approval sheet. WLCW1608HQ SMD Wire Wound Ceramic Chip Inductors (High Q) *Contents in this sheet are subject to change without prior notice.

Approval sheet. WLCW1608HQ SMD Wire Wound Ceramic Chip Inductors (High Q) *Contents in this sheet are subject to change without prior notice. WLCW1608HQ SMD Wire Wound Ceramic Chip Inductors (High Q) *Contents in this sheet are subject to change without prior notice. Page 1 of 7 ASC_WLCW1608HQ Series_V3.0 Jun. 2017 Features 1. Standard chip