Hammond 1540M10 1000uH 1.5A High Current Toroid Inductor
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Create Free Business AccountKey Features
- 1000 uH nominal inductance, +/-15% at 0 A DC
- 1.5 A rated DC current with 575 uH minimum inductance at rated current
- Holds 0.8 Ls at 0.9 A DC
- 0.98 ohm maximum DC resistance
- Toroid construction for EMI/RFI filtering and switching power supply energy storage
- Minimum 0.5 in long leads for P.C. board mounting
- Operating range -20°C to 85°C; storage -20°C to 105°C
- RoHS and REACH compliant
The Hammond 1540M10 is a 1000 uH high current toroid inductor from the 1540 Series, listed by the manufacturer as a heavy duty hash choke. It is aimed at power electronics engineers and OEM designers building EMI/RFI filters or energy storage inductors for switching power supplies, with a rated DC current of 1.5 A.
Nominal inductance is 1000 uH +/-15%, measured at 0 A DC. At the rated DC current of 1.5 A, the 1540M10 maintains a minimum inductance of 575 uH, and it reaches 0.8 Ls (80% of nominal inductance) at 0.9 A DC. Maximum DC resistance is 0.98 ohms, which helps designers estimate copper losses at their operating current.
The part measures 1.12 in (28 mm) maximum for Dimension A and 0.56 in (14 mm) maximum for Dimension B, with a minimum Dimension C of 0.31 in (8 mm). Typical lead diameter is 0.01 in (0 mm), and shipping weight is 0.1 lbs (0.05 kg). Among the 1540 Series parts sharing the 1.12 in Dimension A body, 1540M10 offers the highest inductance and lowest rated current, with that size group spanning 25 to 1000 uH.
Leads are a minimum of 0.5 in long for P.C. board mounting. The series is specified for an operating temperature range of -20°C to 85°C and a storage temperature range of -20°C to 105°C. The 1540M10 is RoHS compliant and REACH compliant.
Ideal For
- EMI/RFI filtering
- Energy storage inductors for switching power supplies
- High current DC filter chokes
- P.C. board mounted power circuits
Overview
| Series | 1540 Series |
| Description | Heavy duty hash choke |
| Product Type | High Current Toroid Inductor (RF Choke) |
Dimensions
| Dimension A (Maximum) | 1.12 in (28 mm) |
| Dimension B (Maximum) | 0.56 in (14 mm) |
| Dimension C (Minimum) | 0.31 in (8 mm) |
| Lead Diameter (Typical) | 0.01 in (0 mm) |
Electrical
| Rated DC Current | 1.5 A |
| DC Amps For 0.8 Ls | 0.9 A |
| Inductance Tolerance | +/- 15% |
| DC Resistance (Max) | 0.98 Ohms |
| Minimum Inductance At Rated DC | 575 uH |
| Inductance Ls (+/- 15%) @ 0 A DC | 1000 uH |
Identifiers
| UPC | 623980201016 |
| UNSPSC | 39121301 |
| Part Number | 1540M10 |
Packaging & Shipping
| Shipping Weight | 0.1 lbs (0.05 kg) |
Construction & Finish
| Mounting | P.C. board |
| Core Type | Toroid |
| Lead Length | Minimum 0.5 in |
Environmental & Protection
| Storage Temperature | -20°C to 105°C |
| Operating Temperature | -20°C to 85°C |
Compliance & Certifications
| RoHS Compliant | Yes |
| REACH Compliant | Yes |
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Frequently Asked Questions
What is the inductance of the 1540M10?▾
Nominal inductance is 1000 uH +/-15% at 0 A DC, with a minimum of 575 uH at the rated DC current of 1.5 A.
What is the DC resistance of the 1540M10?▾
Maximum DC resistance is 0.98 ohms.
How is the 1540M10 mounted?▾
It has minimum 0.5 in long leads for P.C. board mounting, with a typical lead diameter of 0.01 in (0 mm).
What temperature range is it rated for?▾
Operating temperature range is -20°C to 85°C and storage temperature range is -20°C to 105°C.
What are the dimensions of the 1540M10?▾
Dimension A is 1.12 in (28 mm) maximum, Dimension B is 0.56 in (14 mm) maximum and Dimension C is 0.31 in (8 mm) minimum. Shipping weight is 0.1 lbs (0.05 kg).
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