Page 3 of 9 ASC_WLPN505020 Series_V2.0 Nov. Y2017
Electrical Characteristics
Rated Current
(mA) Max
WLPN505020
Series
L
(uH)
Inductance
Tolerance
Test
Freq
(KHz)
DCR
(Ω
ΩΩ
Ω
±
±±
± 20%)
SRF
(MHz)Min
Saturation
Current
Idc1
Temperature
Rise Current
Idc2
WLPN505020N1R0PB
1.0 N 100 0.021 81 4000 3600
WLPN505020N1R5PB
1.5 N 100 0.026 68 3350 3200
WLPN505020N2R2PB
2.2 N 100 0.035 57 2900 2900
WLPN505020N3R3PB
3.3 N 100 0.048 46 2400 2400
WLPN505020M4R7PB
4.7 M 100 0.060 37 2000 2000
WLPN505020M6R8PB
6.8 M 100 0.090 30 1600 1650
WLPN505020M100PB
10 M 100 0.120 24 1300 1450
WLPN505020M150PB
15 M 100 0.165 20 1100 1200
WLPN505020M220PB
22 M 100 0.260 17 900 1000
1. Test Frequency: 100KHz.
2. Test Equipment:
Inductance: Chroma3302+1320 or equivalent.
DCR: Chroma16502 or equivalent.
SRF: HP4291B or equivalent.
3. Saturation Current Idc1: The value of current causes a 30% inductance reduction from initial value.
4. Temperature rise current Idc2: The value of current causes a 40 temperature rise.℃
5. Rated Current: Either Idc1 or Idc2 whichever is smaller.
6. Operating Temperature Range:-25℃ to +125℃ (Including self-temperature rise).
7. Storage Temp. Range：-40℃ to +85℃.
8. MSL：Level 1.
Structural Drawing
1 Ferrite core ：Ni-Zn ferrite.
2 Winding wire：Polyurethane-copper wire.
3 Over-coating resin：Epoxy resin, containing ferrite powder.
4 Electrode：External electrode (substrate) Ag
External electrode (base plating) Ni-Sn
External electrode (top surface solder coating) Sn-Ag-Cu
