SUMIDA News

SMD Coupled Inductor: CDRH127B

July 31st 2018

CDRH127B is a 2 in 1 type space saving SEPIC inductor which is suitable to buck-boost power supply converter for automotive applications.

Targeting application of this solution are LED head lighting, audit and others which need buck-boost power supply in limited PCB installation space.

 

CDRH127BKey Features:

  • Ferrite drum ring structure
  • Magnetically shielded
  • Size: 12.3 × 12.3 × H8.0 mm Max.
  • Qualified AEC-Q200
  • 2 coils in 1 package for Sepic topology
  • Operational Temperature range: -40°C ~ +125°C (including self-heating)


Applications:

Automotive buck-boost DC/DC converter

 

Recommended Land Patterns:

 

Wire Connection:

 

Parts List:

【Single winding (Pin1 to Pin3 or Pin2 to Pin4) 】

Part Name Inductance (μH) (±20%)※1

D.C.R. (mΩ) Max.(Typ.)

Saturation Current (A) Max.(Typ.) ※2 Temperature Rise Currrent
(A) (Typ.) ※3
CDRH127BNP-4R7NC 4.7±30% 29.0m (22.0m) 10.0 (13.0) (5.00)
CDRH127BNP-6R3NC  6.3±30% 35.0m (27.0m) 8.20 (10.4) (4.80)
 CDRH127BNP-100NC 10±30% 41.0m (32.0m) 7.00 (8.80) (4.30)
CDRH127BNP-150PC 15±25% 54.0m (42.0m) 6.00 (7.60) (4.10)
CDRH127BNP-220PC  22±25% 84.0m (65.0m) 5.00 (6.20) (2.90)
CDRH127BNP-330PC  33±25%  124m (96.0m) 4.00 (5.00) (2.40)
 CDRH127BNP-470PC 47±25%  156m (120m)  3.30 (4.10)  (2.10)
 CDRH127BNP-680PC 68±25%  286m (220m) 2.70 (3.40) (1.50)
 CDRH127BNP-101PC 100±25% 438m (350m) 2.30 (2.90) (1.30)
CDRH127BNP-151PC  150±25%  519m (415m)  1.70 (2.20)  (1.10)
 CDRH127BNP-221PC 220±25% 821m (657m)  1.50 (1.90) (900m)
 CDRH127BNP-331PC 330±25%  1.24 (990m)  1.20 (1.50) (700m)
CDRH127BNP-471PC 470±25% 1.88 (2.50) 900m (1.20) (600m)

【Leads connected in series (Pin1 to Pin4 or Pin2 to Pin3 short) 】

Part Name Inductance (μH) (±20%)※1

D.C.R. (mΩ) Max.(Typ.)

Saturation Current (A) Max.(Typ.) ※2 Temperature Rise Currrent
(A) (Typ.) ※3
CDRH127BNP-4R7NC 4.7±30% 58.0m (44.0m) 5.00 (6.70) (3.50)
CDRH127BNP-6R3NC  6.3±30% 70.0m (54.0m) 4.10 (5.20) (3.40)
 CDRH127BNP-100NC 10±30% 82.0m (64.0m) 3.50 (4.40) (3.20)
CDRH127BNP-150PC 15±25% 108m (84.0m) 3.00 (3.80)  (2.70)
CDRH127BNP-220PC  22±25%  168m (130m) 2.50 (3.10) (2.10)
CDRH127BNP-330PC  33±25%  248m (192m) 2.00 (2.50) (1.70)
 CDRH127BNP-470PC 47±25% 312m (240m) 1.65 (2.10) (1.50)
 CDRH127BNP-680PC 68±25% 572m (440m)  1.35 (1.70)  (1.10)
 CDRH127BNP-101PC 100±25% 876m (700m) 1.20 (1.50)  (900m)
CDRH127BNP-151PC  150±25% 1.04 (830m) 850m (1.10) (800m)
 CDRH127BNP-221PC 220±25% 1.64 (1.31) 750m (950m)  (600m)
 CDRH127BNP-331PC 330±25%  2.48( 1.98) 600m (750m) (500m)
CDRH127BNP-471PC 470±25% 3.76 (3.00)  450m (600m)  (400m)

【Leads connected in parallel (Pin1,2 to Pin3,4, Pin1 and Pin2, Pin3 and Pin4) short 】

Part Name Inductance (μH) (±20%)※1

D.C.R. (mΩ) Max.(Typ.)

Saturation Current (A) Max.(Typ.) ※2 Temperature Rise Currrent
(A) (Typ.) ※3
CDRH127BNP-4R7NC 4.7±30% 14.5m (11m) 10.0 (10.3) (7.00)
CDRH127BNP-6R3NC  6.3±30% 17.5m (13.5m) 8.20 (10.4) (6.80)
 CDRH127BNP-100NC 10±30% 20.5m (16m) 7.00 (8.80) (6.40)
CDRH127BNP-150PC 15±25% 27m (21m) 6.00 (7.60) (5.40)
CDRH127BNP-220PC  22±25% 42m(32.5m) 5.00 (6.20) (4.20)
CDRH127BNP-330PC  33±25% 62m (48m) 4.00 (5.00) (3.40)
 CDRH127BNP-470PC 47±25% 78m (60m) 3.30 (4.10) (3.00)
 CDRH127BNP-680PC 68±25% 143m (110m) 2.70 (3.40) (2.20)
 CDRH127BNP-101PC 100±25% 210m (175m) 2.30 (2.90) (1.80)
CDRH127BNP-151PC  150±25% 260m (207.5m) 1.70 (2.20) (1.60)
 CDRH127BNP-221PC 220±25% 410m (328.5m) 1.50 (1.90) (1.20)
 CDRH127BNP-331PC 330±25% 620m (495m) 1.20 (1.50) (1.00)
CDRH127BNP-471PC 470±25% 1.88 (755m) 900m (1.20) (800m)

 

※1 Measuring frequency at 100kHz, 0.1V.
※2 Saturation current: This indicates the actual value of D.C. current when the inductance becomes 30%lower than its initial value.
※3 Temperature rise current: The actual value of D.C. current when the temperature of coil becomes ⊿T=40℃. (Ta=20℃)

 

Production Stage:

In mass production

Please click here to view product details.



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