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Specifications
Current - Saturation (Isat):
10A
Mfr. Part #:
DH1040H-8R2M
Package:
SMD,11x10.2mm
Key Attributes
Model Number:
DH1040H-8R2M
Product Description
Product Overview
This document outlines the specifications for the DH1040H-8R2M SMD Molding Power Inductor from Guangdong Dehong Sensing Microelectronics Co., Ltd. This product is designed for consumer electronics applications and features an integrated molding construction. Key characteristics include inductance, DC resistance, rated current, and saturation current, with detailed electrical and mechanical performance criteria provided.
Product Attributes
- Brand: (Guangdong Dehong Sensing Microelectronics Co., Ltd.)
- Origin: (China)
- Product Type: (SMD Molding Power Inductor)
- Grade: (General)
- Application: (Consumer Electronics)
Technical Specifications
| Part NO. | L0 (H) | DCR (m) Typ. | DCR (m) Max. | Irms (A) Typ. | Isat (A) Typ. | Dimensions (A x B x C) (mm) | External Dimensions & PCB Pattern (Ref.) |
| DH1040H-8R2M | 8.2 20% | 26 | 32 | 5.5 | 10 | 10.2 x 11.0 x 4.0 | A: 10.2 0.3, B: 11.0 0.5, C: 4.0 Max., D: 2.0 0.5, E: 3.0 0.3, G: 6.0 Ref., H: 11.8 Ref., I: 3.5 Ref. |
| Test Item | Specification | Test Conditions / Method |
| Electrical Performance Test - Inductance (L) | Refer to Standard Electrical Characteristic List | MICROTEST6377 |
| Electrical Performance Test - DC Resistance (DCR) | Refer to Standard Electrical Characteristic List | TH2511 |
| Electrical Performance Test - Rated Current (IDC) | Inductance change 30% or Temperature Rise 40 | Applied current to coils |
| Temperature Rise Test | 40 | Applied rated current for 4 hours |
| Overload Test | No evident electrical damage | Applied 1.5 times rated current for 5 minutes |
| Mechanical Performance Test - Solder Heat Resistance | No damage to appearance and electrical characteristics; Inductance change 10% | Preheat: 150 100s; Solder Temp: 2555; Dip Time: 10s Max. |
| Mechanical Performance Test - Vibration Test | Amplitude: 1.5 mm; Frequency: 10-55-10Hz / 1 MIN; Direction: X, Y, Z; Time: 2 HRS/X, Y, Z | N/A |
| Mechanical Performance Test - Shock Test | No damage to appearance and electrical characteristics | Dropped 10 times from 1m height onto 3cm wooden board |
| Mechanical Performance Test - Solderability Test | > 90% of electrode covered with solder | Preheat: 150 120s; Solder Temp: 2555; Time: 10s Max. |
| Climatic Test - Temperature Characteristic | Appearance: No damage; Inductance change 10% of initial value | -45 ~ +125 |
| Climatic Test - Humidity Test | Appearance: No damage; Inductance change 10% of initial value | 602 / 962 hours, R.H: 90-95%RH |
| Climatic Test - Low Temperature Storage | N/A | -452 / 24 hours (Test after 1 hour at room temp.) |
| Climatic Test - Thermal Shock Test | Appearance: No damage; Inductance change 10% of initial value | -452 (30 min) +852 (30 min), 100 cycles (Test after 1 hour at room temp.) |
| Climatic Test - High Temperature Storage | N/A | 852 / 24 hours (Test after 1 hour at room temp.) |
| Product Series | Pieces per Reel | Pieces per Inner Box | Pieces per Outer Box | Tape Peel Force |
| DH1040 | 1000pcs/reel | 2000pcs/box | 6000pcs/box | 20~140g |
2411121051_dehongganying-DH1040H-8R2M_C41407185.pdf
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