WLPMA0A040LC WALSIN | Alldatasheet
Document overview
- Manufacturer or author: Provided By ALLDATASHEET.COM(FREE DATASHEET DOWNLOAD SITE)
- PDF pages: 6
Technical content
Page 1 of 6 ASC_WLPMA0A040 Series_V3.0 Nov. Y2017 WLPMA0A040*LC Series SMD Molded Power Inductors *Contents in this sheet are subject to change without prior notice.
Page 2 of 6 ASC_WLPMA0A040 Series_V3.0 Nov. Y2017
Features
- 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
- PDA/Notebook/Desktop/Server applications high current and low profile power supplier. 2. High current POL converters. 3. Battery powered devices. Shape and Dimension MARKING AND DATE CODE Marking ex:1.0uH /barb4right1R0 Date code XX XX /barb4rightyear and weekly ex:1033 Recommend Pattern UNIT: mm DIM. TOL. M1 11.15 ±0.35 M2 10.0 ±0.3 M3 4.0 Max M4 3.0 ±0.5 M5 2.0 ±0.5
Page 3 of 6 ASC_WLPMA0A040 Series_V3.0 Nov. Y2017
Ordering Information
Series Dimensions Thickness Tolerance Value Packing Code WL: Inductor SMD Molded power inductor. 11.15 * 10mm 3.8mm M: ± 20% R22=0.22uH 2R2=2.2uH 220=22.0uH L=13” Reeled (Embossed tape)
Electrical Characteristics
WLPMA0A040*LC series TEST INSTRUMENT: CHROMA 16502 、Zentech1320+Zentech3305 RDC Maximum (m ΩΩ ΩΩ ) Walsin Part Number L(uH) Tolerance Measuring Frequency (kHz),1V TYP. MAX. Rated Current Typical (A) I sat Typical (A) WLPMA0A040MR22LC 0.22 M 100 0.8 1 30 50 WLPMA0A040MR36LC 0.36 M 100 1.1 1.2 34 40 WLPMA0A040MR47LC 0.47 M 100 1.3 1.55 25 35 WLPMA0A040MR56LC 0.56 M 100 1.6 1.8 25 32 WLPMA0A040MR68LC 0.68 M 100 2.4 2.7 22 30 WLPMA0A040M1R0LC 1.0 M 100 3 3.3 18 28 WLPMA0A040M1R5LC 1.5 M 100 3.8 4.2 16 21 WLPMA0A040M2R2LC 2.2 M 100 6.7 7 12 18 WLPMA0A040M3R3LC 3.3 M 100 10.8 11.8 10 16 WLPMA0A040M4R7LC 4.7 M 100 17 20 8.5 15 WLPMA0A040M6R8LC 6.8 M 100 22.5 25 6.5 9 (1). Test Freq : 100KHz , 1V (2). All test data is referenced to 25 ℃℃ ℃℃ ambient. (3). Operating Temperature Range -55 ℃℃ ℃℃ to +125 ℃℃ ℃℃. (4). Rated Current: DC current(A)that will cause an approximate △△ △△T of 40 ℃℃ ℃℃. (5). I sat: DC current(A)that will cause Lo to drop approximately 30%. (6). The part temperature(ambient +temp rise)should not exceed 125 ℃℃ ℃℃ under worst case operating conditions. Circuit design, component placement, PWB trace size and thickness, airflow and other cooling provisions all affect the part temperature Part temperature should be verified
Page 4 of 6 ASC_WLPMA0A040 Series_V3.0 Nov. Y2017 RELIABILITY PERFORMANCE Reliability Experiment For Electrical Test Item Test Condition Standard Source Humidity Test +40 ℃℃ ℃℃± 2 ℃℃ ℃℃, humidity of 90% ± 5% (total 96 hours). MIL-STD-202G Method 103B Test Condition B High Temperature Test 2.Test time: 48±2hrs IEC 68-2 Test Condition B Low Temperature Test 2.Test time: 48±2hrs IEC 68-2 Test Condition A Thermal Shock +125 ℃℃ ℃℃±5 ℃℃ ℃℃ (30 minutes) ~ -40 ± 5 ℃℃ ℃℃ (30 minutes), temperature switch time: 5 minutes (total 50 cycles). MIL-STD-202G Method 107G Test Condition B- MIL-STD-202G Method 108A Test Condition B Reliability Experiment For Physical Test Item Test Condition Standard Source Vibration Test 10-55-10HZ, amplitude: 1.5mm, direction: X, Y, Z axes, each axis 2 hours (total 6 hours). MIL-STD-202G Method 201A Solder Heat Resistance Test IR/convection reflow:Peak Temp 250±5 ℃℃ ℃℃ for 5Sec in air, Through 2 Cycle. Temperature Ramp:+1~4° C/sec; Above1 83° C, must keep 90 s - 120 s MIL-STD-202G Method 210F Test Condition (Reflow) Solder Ability Test Soak in 245 ℃℃ ℃℃ solder pot of 3Sec, PAD must have 95% above coverage. J-STD-003B
Page 5 of 6 ASC_WLPMA0A040 Series_V3.0 Nov. Y2017 TYPICAL RoHS REFLOW PROFILE
Page 6 of 6 ASC_WLPMA0A040 Series_V3.0 Nov. Y2017 2.0±0.1 DIMENSIONS OF CARRIER TAPE (mm)
130 GRAMS IN THE ARROW
MAX. 560 (mm) MIN. 390 (mm) NO COMPONENTS START
165 TO 180°
MATERIAL: CARRIER TAPE REELS (mm) A N B φC φC P USER DIRECTION OF FEED E PLASTIC COVER TAPE 160 (mm) MIN NO COMPONENTS 1.75±0.1 W 4.0±0.1 COMPONENTS EMBOSSED CAVITY EMBOSSED CARRIER END
0.10 MAX
THICKNESS (t) BASE TAPE TOP COVER TAPE +0.1-0 φ1.5 ※※ ※※ 10 sprocket hole pitch cumulative tolerance ±± ±±0.20 Packaging Quantity per reel ：： ：：500 pcs UNIT : mm A B C E N P W t A0 B0 K0