Beijing Silk Road Enterprise Management Services Co., Ltd.
                                                                                                           
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Power inductors LanTu Micro SPK0608-221MB with UL heat shrink tubing encapsulation and RoHS compliance

Price Negotiable
Price: Negotiable
MOQ: Negotiable
Delivery Time: Negotiable
Product Description

Product Overview

The SPK Series from SHENZHEN LANTU MICRO ELECTRIC TECHNOLOGY CO., LTD. are unshielded DIP power inductors designed for spike suppression. They offer a low-cost solution with high power handling, high saturation, and low resistance. These inductors are encapsulated in UL heat shrink tubing for enhanced mechanical and environmental protection. Available in various package sizes and a wide inductance range, they are suitable for automated insertion processes. The series complies with RoHS, Halogen Free, and REACH standards.

Product Attributes

  • Brand: SHENZHEN LANTU MICRO ELECTRIC TECHNOLOGY CO., LTD.
  • Series: SPK
  • Type: Unshielded DIP Power Inductors, Spike suppression coil
  • Certifications: RoHS, Halogen Free, REACH Compliance
  • Packaging Options: Tape packaging (for auto-insertion), Bulk package

Technical Specifications

General Specifications:

  • Operating Temperature: -40 to +125 (including coil self-temperature rise)

Test Equipment:

  • Inductance: HP4284A, HP4285A or equivalent LCR meter
  • Current (Isat & Irms): HP4284+42841A or equivalent
  • Self-Resonant Frequency (SRF): HM 9461 or equivalent
  • Q Factor: HP4285A or equivalent
  • DC Resistance (DCR): Chroma 16502 or equivalent

Product Identification Structure: SPK 0608 503 K TF

  • Type: SPK (Radial Leaded Fixed Inductors)
  • External Dimensions (LWH): e.g., 0608 (7.011.0 mm)
  • Inductance: e.g., 50 mH
  • Inductance Tolerance: J (5%), K (10%), L (15%), M (20%), P (25%), N (30%)
  • Packaging: TF (Tape packaging)

Shape and Dimensions (mm):

Part No A (Max) B (Min) C () D (Max) E () F H
SPK0406 8.0 15.0 2.0 5.0 0.55 0.85 2.0
SPK0608 11.0 15.0 2.5 7.0 0.65 0.95 2.5
SPK0707 9.5 15.0 5.0 8.0 0.65 0.95 5.0
SPK0807 9.5 15.0 5.0 9.0 0.65 0.95 5.0
SPK0810 13.0 15.0 5.0 9.0 0.65 0.95 5.0
SPK0912 15.0 15.0 5.0 10.0 0.80 1.1 5.0
SPK1010 13.0 15.0 5.0 12.0 0.80 1.1 5.0
SPK1012 15.0 15.0 6.0 12.0 0.80 1.1 6.0
SPK1016 19.0 15.0 6.0 12.0 0.80 1.1 6.0
SPK1018 21.0 15.0 6.0 12.0 0.80 1.1 6.0
SPK1213 16.0 15.0 7.5 14.0 0.80 1.1 7.5

Applications:

  • TVs and Audio equipment
  • Telecommunication devices
  • Noise filters
  • Chargers, fast charge
  • DC/DC converters

Electrical Characteristics (Example for SPK0406 Series at 25):

Part No Inductance L (H) Tolerance Q Min @1KHz SRF Min (MHz) DCR Max () Rated Current Max (mA)
SPK0406-1R0M- 1.0 M 100 7.96 0.035 2000
SPK0406-1R2M- 1.2 M 100 7.96 0.058 1950
SPK0406-1R5M- 1.5 M 100 7.96 0.075 1900
SPK0406-100M- 10 M 80 2.52 0.230 1000
SPK0406-1000M- 1000 M 45 0.796 1.000 400
SPK0406-1002K- 10000 K 45 0.0796 72.000 47

Electrical Characteristics (Example for SPK0608 Series at 25):

Part No Inductance L (H) Tolerance Q Min @1KHz SRF Min (MHz) DCR Max () Rated Current Max (mA)
SPK0608-3R3M- 3.3 M 20 7.96 0.016 3500
SPK0608-4R7M- 4.7 M 20 7.96 0.020 3000
SPK0608-100M- 10 M 30 2.52 0.039 2000
SPK0608-1000M- 1000 M 100 0.252 3.200 200
SPK0608-1002M- 10000 M 70 0.0796 29.500 65

Electrical Characteristics (Example for SPK0707 Series at 25):

Part No Inductance L (H) Tolerance Q Min @1KHz SRF Min (MHz) DCR Max () Saturation Current Max (mA) Temperature Rise Current Max (mA)
SPK0707-1R0M- 1.0 M 10 7.96 0.006 6600 5000
SPK0707-100M- 10 M 20 2.52 0.043 2100 1900
SPK0707-1000M- 1000 M 70 2.52 1.3 200 190

Electrical Characteristics (Example for SPK0807 Series at 25):

Part No Inductance L (H) Tolerance Q Min @1KHz SRF Min (MHz) DCR Max () Saturation Current Max (mA) Temperature Rise Current Max (mA)
SPK0807-2R2M- 2.2 M 10 7.96 0.011 5500 4000
SPK0807-100M- 10 M 20 2.52 0.031 2500 2200
SPK0807-1000K- 1000 K 20 0.252 1.5 260 230

Electrical Characteristics (Example for SPK0810 Series at 25):

Part No Inductance L (H) Tolerance Q Min @1KHz SRF Min (MHz) DCR Max () Rated Current Max (mA)
SPK0810-3R3M- 3.3 M 30 7.96 0.012 5000
SPK0810-100M- 10 M 50 2.52 0.025 3200
SPK0810-1000M- 1000 M 40 0.252 1.5 280
SPK0810-10000M- 10000 M 20 0.0796 0.42 90

Electrical Characteristics (Example for SPK0912 Series at 25):

Part No Inductance L (H) Tolerance DCR Max () Rated Current Max (mA)
SPK0912-1R0M- 1.0 M 0.011 6000
SPK0912-100M- 10 M 0.040 4000
SPK0912-1000M- 1000 M 2.000 200
SPK0912-10000M- 10000 M 16.00 90

Electrical Characteristics (Example for SPK1010 Series at 25):

Part No Inductance L (H) Tolerance Q Min @1KHz SRF Min (MHz) DCR Max () Saturation Current Max (mA) Temperature Rise Current Max (mA)
SPK1010-3R3M- 3.3 M 10 7.96 0.010 8800 5900
SPK1010-100M- 10 M 20 2.52 0.025 5000 3700
SPK1010-1000M- 1000 M 20 2.52 1.1 510 500
SPK1010-10000K- 10000 K 30 79.6 0.38 170 140

Electrical Characteristics (Example for SPK1012 Series at 25):

Part No Inductance L (H) Tolerance Q Min @1KHz SRF Min (MHz) DCR Max () Saturation Current Max (mA) Temperature Rise Current Max (mA)
SPK1012-3R3M- 3.3 M 90 7.96 0.025 5500 5500
SPK1012-100M- 10 M 100 2.52 0.050 4200 4200
SPK1012-1000K- 1000 K 40 252 1.60 300 300
SPK1012-10000K- 10000 K 80 79.6 0.35 180 170

Electrical Characteristics (Example for SPK1016 Series at 25):

Part No Inductance L (H) Tolerance DCR Max () Saturation Current Max (mA) Temperature Rise Current Max (mA)
SPK1016-4R7M- 4.7 M 0.020 8500 5800
SPK1016-100M- 10 M 0.035 7600 5000
SPK1016-1000K- 1000 K 1.200 700 700
SPK1016-10000K- 10000 K 10.00 180 180

Electrical Characteristics (Example for SPK1018 Series at 25):

Part No Inductance L (H) Tolerance DCR Max () Saturation Current Max (mA) Temperature Rise Current Max (mA)
SPK1018-4R7K- 4.7 K 0.008 10000 6000
SPK1018-100K- 10 K 0.017 7000 4500
SPK1018-1000K- 1000 K 0.844 660 660
SPK1018-10000K- 10000 K 7.300 220 220

Electrical Characteristics (Example for SPK1213 Series at 25):

Part No Inductance L (H) Tolerance DCR Max () Saturation Current Max (mA) Temperature Rise Current Max (mA)
SPK1213-100M- 10 M 0.023 8000 5100
SPK1213-1000K- 1000 K 1.000 780 780
SPK1213-10000K- 10000 K 10.000 240 240

Packaging:

Part No. PE Bag Quantity
SPK0406 1000PCS
SPK0608 1000PCS
SPK0707 1000PCS
SPK0807 1000PCS
SPK0810 500PCS
SPK0912 300PCS
SPK1010 200PCS
SPK1012 200PCS
SPK1016 200PCS
SPK1018 200PCS
SPK1213 200PCS

Reliability Testing:

Item Requirements Test Methods and Remarks
Terminal Strength (SMT) Meet requirements without any loose terminal. Pulling test: Defined forces based on terminal sectional area. Solder paste thickness: 0.12mm. Keep time: 101s, Speed: 1.0mm/s.
Terminal Strength (DIP) Meet requirements without any loose terminal. Applied force: 5N to 40N based on terminal diameter. Duration: 10sec.
Resistance to Flexure No visible mechanical damage. Flexure: 2mm. Pressurizing Speed: 0.5mm/sec. Keep time: 30 sec.
Dropping No case deformation or change in appearance. No short and no open. Drop packaged products from 1m high.
Solderability Wetting shall exceed 75% coverage. Terminals must have 95% minimum solder coverage. Solder temperature: 2402. Duration: 3 sec. Solder: Sn/3.0Ag/0.5Cu. Flux: 25% Resin and 75% ethanol.
Vibration No visible mechanical damage. Inductance change: Within 10%. Q factor change: Within 20%. Frequency 10-55 Hz, amplitude 1.5mm. Applied for 2 hours in 3 mutually perpendicular directions.
Thermal Shock No visible mechanical damage. Inductance change: Within 10%. Q factor change: Within 20%. 100 cycles of temperature cycling between -55~40 and 85~125. Transforming interval: Max. 20 sec.
Low temperature Storage No visible mechanical damage. Inductance change: Within 10%. Q factor change: Within 20%. Temperature: -55~-402. Duration: 962 hours.
High temperature Storage No visible mechanical damage. Inductance change: Within 10%. Q factor change: Within 20%. Temperature: 85~1252. Duration: 962 hours.
Damp Heat (Steady States) No visible mechanical damage. Inductance change: Within 10%. Q factor change: Within 20%. Temperature: 602. Humidity: 90% to 95% RH. Duration: 962 hours.
Heat endurance of Reflow soldering No significant defects in appearance. L/L10%. Q/Q30%. DCR/DCR10%. Peak temperature: 260+0/-5. Performed twice.
Resistance to solvent test No case deformation or change in appearance or obliteration of marking. Dip in IPA solvent for 50.5Min, dry for 5Min, brushing 10 times.
Overload test During test no smoke, no peculiar smell, no fire. Characteristics normal after test. Apply twice rated current for 5 minutes.
Voltage resistance test During test no breakdown. Characteristics normal after test. DC1000V, Current: 1mA, Time: 1Min.

Reminders for Using These Products:

  • Storage: Within 12 months, temperature: 5~40C, humidity: 35~65% RH or less.
  • Avoid use or storage in gas corrosive environments (salt, acid, alkali, etc.).
  • Do not touch electrodes directly with bare hands to prevent soldering issues.
  • Handle products carefully to prevent damage from dropping or improper removal.
  • Do not bend terminals with excessive stress to avoid wire fracture.
  • Do not rinse coils; contact SXN if cleaning is necessary.
  • Keep away from magnets or magnetic fields.
  • Preheat components before soldering; temperature difference between solder and chip should not exceed 150C.
  • Soldering corrections after mounting should be within specified conditions to avoid overheating.
  • Allow sufficient thermal design margin for self-heating when power is on.
  • For non-magnetic shield types, careful coil layout is needed to prevent malfunctions due to magnetic interference.

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Beijing Silk Road Enterprise Management Services Co., Ltd.
Location 16 Floor, Unit B, Jiatai International Mansion, No 41, Dongsihuan Zhong Road, Chaoyang District, Beijing
Contact Person Sellina

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