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Molding Power Inductors – HEI Series HEI Series
Features
RoHS, Halogen Free and REACH Compliance High Efficiency Excellent Q, RDC and saturation current Low profile and miniature size down to 1.6*0.8*0.8mm
Product Identification
The HEI Series is designed specifically to enhance both PFM and PWM application performance.Q(Rac) value at light load and the RDC value at heavy load are both exceptional. Furthermore, the saturated current performance is also optimal, helping to reduce the ripple current and enhance the efficiency.
Applications
Smartphones, tablets and wearable devices HDD, SSD and PC peripheral devices DSC, camcorders PND DC/DC converters
Shape and Dimensions
Recommended Pattern
Dimensions in mm
TYPE
A
160808A
1.6±0.2
201208A
2.0±0.2
201210A
2.0±0.2
201608A
2.0±0.2
201610A
2.0±0.2
252010A
2.5±0.3
252012A
2.5±0.3
322510A
3.2±0.3
322512A
3.2±0.3
322525A
3.2±0.3
B 0.80±0.2 1.25±0.2 1.25±0.2 1.60±0.2 1.60±0.2 2.00±0.3 2.00±0.3 2.50±0.3 2.50±0.3 2.50±0.3
C 0.8Max 0.8Max 1.0Max 0.8Max 1.0Max 1.0Max 1.2Max 1.0Max 1.2Max 2.50±0.3
D 0.3±0.2 0.5±0.3 0.5±0.3 0.5±0.3 0.5±0.3 0.6±0.3 0.6±0.3 0.5±0.3 0.5±0.3 0.5±0.3
Dimensions in mm TYPE
160808A 201208A 201210A 201608A 201610A 252010A 252012A 322510A 322512A 322525A
A 0.7~0.8 0.8~1.2 0.8~1.2
0.9 0.9 1.2 1.2 1.7 1.7 1.7
B 1.8~2.0 2.3~2.9 2.3~2.9
2.0 2.0 2.8 2.8 3.2 3.2 3.2
C 0.6~0.8 1.0~1.4 1.0~1.4
1.6 1.6 2.0 2.0 2.5 2.5 2.5
Molding Power Inductors – HEI Series
Electrical Characteristics
Part Number
Inductance (uH)
Tolerance (±%)
Test Frequency
(MHz)
HEI160808A-R24M-Q8 HEI160808A-R33M-Q8
0.24 0.33
20 20
2 2
HEI160808A-R47M-Q8
0.47
20
2
Note: When ordering, please specify tolerance code. Tolerance: M=±20%
Operating temperature range-40℃~125℃(Including self - temperature rise)
Isat for Inductance drop 30% from its value with current
Irms for a 40℃ temperature rise from 25℃ ambient with current
Measure Equipment:
L:Agilent E4991/HP4287A+16197A, 2MHz 0.2V
RDC:CHEN HWA502
Isat:Agilent E4980A+HP42841A
Irms:Agilent 6641 SYSTEM DC POWER SUPPLY
Test Instruments:E4991A Impedance / Material Analyzer
L(uH) ΔT(℃ )
0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.0
0
Inductance vs. DC Current
R47 R33 R24
0.5 1 1.5 2 2.5 3 3.5 4
DC Current(A)
70 60 50 40 30 20 10 0
0
RDC(mΩ) Max(Typ.)
54(47) 75(62) 100(87)
Isat(A) Max(Typ.)
3.2(3.6) 3.0(3.4) 2.2(2.6)
Irms(A) Max(Typ.)
2.6(3.0) 2.2(2.6) 1.6(2.0)
Tem perature Change vs. DC Current
R47 R33
R24
0.5 1 1.5 2 2.5 3 3.5 4
DC Current(A)
Molding Power Inductors – HEI Series
Electrical Characteristics
Part Number
Inductance (uH)
Tolerance (±%)
Test Frequency
(MHz)
HEI201208A-R24M-Q8
0.24
20
2
HEI201208A-R47M-Q8
0.47
20
2
Note: When ordering, please specify tolerance code. Tolerance: M=±20%
Operating temperature range-40℃~125℃(Including self - temperature rise)
Isat for Inductance drop 30% from its value with current
Irms for a 40℃ temperature rise from 25℃ ambient with current
Measure Equipment:
L:Agilent E4991/HP4287A+16197A, 2MHz 0.2V
RDC:CHEN HWA502
Isat:Agilent E4980A+HP42841A
Irms:Agilent 6641 SYSTEM DC POWER SUPPLY
Test Instruments:E4991A Impedance / Material Analyzer
RDC(mΩ) Max(Typ.)
25(19) 48(40)
Isat(A) Max(Typ.)
4.8(5.4) 3.2(3.6)
Irms(A) Max(Typ.)
4.2(4.8) 3.0(3.4)
L(uH) ΔT(℃ )
0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.0
0
Inductance vs. DC Current
R47 R24
1 234 56
DC Current(A)
Tem perature Change vs. DC Current
70
60 R47 R24
50
40
30
20
10
0 0 12 3 45 6
DC Current(A)
Molding Power Inductors – HEI Series
Electrical Characteristics
Part Number
Inductance (uH)
Tolerance (±%)
Test Frequency
(MHz)
HEI201210A-R24M-Q8
0.24
20
2
HEI201210A-R33M-Q8
0.33
20
2
HEI201210A-R47M-Q8
0.47
20
2
HEI201210A-1R0M-Q8
1.0
20
2
HEI201210A-1R5M-Q8
1.5
20
2
HEI201210A-2R2M-Q8
2.2
20
2
Note: When ordering, please specify tolerance code. Tolerance: M=±20%
Operating temperature range-40℃~125℃(Including self - temperature rise)
Isat for Inductance drop 30% from its value with current
Irms for a 40℃ temperature rise from 25℃ ambient with current
Measure Equipment:
L:Agilent E4991/HP4287A+16197A, 2MHz 0.2V
RDC:CHEN HWA502
Isat:Agilent E4980A+HP42841A
Irms:Agilent 6641 SYSTEM DC POWER SUPPLY
RDC(mΩ) Max(Typ.)
28(22) 30(25) 42(33) 78(69) 112(94) 176(166)
Isat(A) Max(Typ.)
4.5(5.7) 4.5(4.8) 3.3(4.2) 2.3(2.8) 1.9(2.3) 1.6(1.7)
Irms(A) Max(Typ.)
3.7(4.6) 3.7(4.3) 3.0(3.7) 2.2(2.7) 1.8(2.2) 1.4(1.5)
L(uH) ΔT(℃ )
Test Instruments:E4991A Impedance / Material Analyzer
1R0 2.4
Inductance vs. DC Current
2.0
1.6 2R2
1.2 1R5
0.8 1R0
0.4 R47 R33 R24
0.0 01 23 45 67
DC Current(A)
Tem perature Change vs. DC Current
70 2R2 R24
60 1R0 R47 R33 50 1R5
40
30
20
10
0 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6
DC Current(A)
Molding Power Inductors – HEI Series
Electrical Characteristics
Part Number
Inductance (uH)
Tolerance (±%)
Test Frequency
(MHz)
RDC(mΩ) Max(Typ.)
Isat(A) Max(Typ.)
Irms(A) Max(Typ.)
HE.