Product Overview
The DH1250H-470M is a SMD Molding Power Inductor designed for consumer electronics applications. It offers reliable performance with specific electrical, mechanical, and environmental characteristics detailed in this specification. This product is manufactured by Guangdong Dehong Sensing Microelectronics Co., Ltd.
Product Attributes
- Brand: (Guangdong Dehong Sensing Microelectronics Co., Ltd.)
- Origin: China
- Product Type: (SMD Molding Power Inductor)
- Grade: (General)
- Application: Consumer electronics
Technical Specifications
| Product Model | Inductance (L0) @100kHz/1.0V (H) | DCR (m) Typ. | Rated Current (Irms) (A) Typ. | Saturation Current (Isat) (A) Typ. | External Dimensions (A x B x C) (mm) |
| DH1250H-470M | 47.0 20% | 85 | 3 | 6 | 12.8 x 14.0 x 5.0 Max. |
| Test Item | Specification | Test Conditions / Methods |
| 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 should be less than 30% to initial value and temperature rise should not be 40. | Applied the current to coils. |
| Electrical Performance Test - Temperature Rise Test | Temperature rise should not be 40. | Applied the allowed DC current for 4 hours. |
| Electrical Performance Test - Overload Test | No evidence of electrical damage. | Applied 1.5 times of rated allowed DC current for 5 minutes. |
| Mechanical Performance Test - Solder Heat Resistance | Inductors should have no evidence of electrical and mechanical damage. Inductance change should not hang more than 10. | Preheat: 150 100s. Solder Temperature: 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. | |
| Mechanical Performance Test - Shock Test | Inductors should be dropped 10 times from a height of 1m onto 3cm wooden board. | |
| Mechanical Performance Test - Solderability Test | More than 90% of terminal electrode should be covered with solder. | Preheat: 150 120s. Soldering Temperature: 2555. Time: 10s Max. |
| Climatic Test - Temperature Characteristic | Appearance: No damage. Inductance: Within 10% of initial value. | -45 ~ +125 |
| Climatic Test - Humidity Test | Appearance: No damage. Inductance: Within 10% of initial value. | 602 / 962 hours. R.H: 90-95%RH. |
| Climatic Test - Low Temperature Storage | -452 / 24 hours. Test at room temperature for 1 hour after storage. | |
| Climatic Test - Thermal Shock Test | -452 30 minutes, +852 30 minutes. 100 cycles. Test at room temperature for 1 hour after storage. | |
| Climatic Test - High Temperature Storage | 852 / 24 hours. Test at room temperature for 1 hour after storage. |
Notes:
1. Before using the product, the user must confirm whether the product meets your design requirements. Dehong only guarantees that the product meets the specifications of this acknowledgment letter.
2. Data modifications within the acknowledgment letter must be negotiated and approved by both parties, otherwise they will be considered invalid.
3. The customer needs to sign back this acknowledgment letter before placing an order. If an order is placed without a signed back acknowledgment letter, it is considered that this acknowledgment letter is the basis.
4. This product is currently designed for consumer electronics applications only. If used in other non-consumer electronics scenarios, please inform our company in advance.
5. Product installation best shelf life: within 180 days from the date of manufacture.
6. For remaining unused products after taking them out, be sure to seal with sealing tape to prevent oxidation of the pads from affecting welding.
7. Any water stains, sweat stains, or dust in contact with the pads will affect solderability. Do not directly touch the product pads with bare hands to avoid affecting welding.
8. This product will change with changes in working conditions. When you need to use this product in other applications, please re-test.
9. Excessive voltage, current, or temperature can cause irreversible damage to the product, potentially leading to functional degradation or failure.
10. This product is not suitable for humid, dark, and strongly corrosive environments.
2411121051_dehongganying-DH1250H-470M_C41407145.pdf
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