1, SHAPE & DIMENSION 


 Note: 1. Lead-free process; 2 printing 4R7; 3. Crescent BASE 


 (UNIT: m / m) 
 SYMBOL A1 A2 B C D E F 
 DIMENSIONS 6.0MAX 6.0MAX 8.2MAX 3.0MAX 6.3 2.1 2.0 

 2, ELECTRICAL SCHEMATICS 






 Electronics Co., Ltd. Shenzhen Tenda 
 SHENZHEN LUCKY TENDA ELECTRON ICS CO., LTD. 
 SPECIFICATION FOR APPROVAL 
 CUSTOMER: PAGE 3 
 PART NO.: REVISION A1 
 DRAWN NO.: 111122PE-01 DATE NOV .22.2011 
 DESCRIPTION: SPRH5D28-4R7N 


 3, ELECTRICAL SPECIFICATION & TEST INSTRUMENTS: 

 MEAS. ITEM L DCR IDC 
 UNIT μH mΩ A 
 SPEC. 4.7uH ± 20% 

 68MAX 2.2MAX 
 TEST FREQ. 10KHz/0.25V 10KHz/0.25V 
 TEST INSTRUMENTS Agilent 4285 A OR EQU GKT 502BC OR EQU Agilent 4285A & Agilent 42841A OR EQU 

 ※ IDC: BASED ON INDUCTANCE CHANGE (| ΔL / L0 | ≦ 35%) 
 ΔL = L2.2A - L0A