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Domestic Drop-in Replacement for TDK ColorRing Inductor | DLGA0410-182JTB by Gujing

Aug 20, 2026Views: 3

Against the trend of global supply-chain optimization, Gujing Electronics DLGA0410-182JTB offers a proven pin-to-pin domestic alternative to TDK B781*8S1185J000 (1800 μH / 1.8 mH, ±5% J tolerance). Backed by our 23-years of inductor manufacturing experience and 20 000+ magnetic-core formula library, we deliver equivalent electrical performance, competitive pricing and reliable local supply for worldwide buyers.

Original TDK Reference Specifications

Part Number: B781*8S1185J000 - Inductance Lr: 1800 μH - Tolerance: ±5% (J grade) - Qmin: 50 - Test Frequency fQ: 0.252 MHz - Rated DC Current IR: 95 mA - Max DC Resistance Rmax: 26.0 Ω - Minimum Self-Resonant Frequency fres, min: 1.2 MHz

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Gujing DLGA0410-182JTB Core Advantages

1. 100% Pin-to-Pin Compatibility, No PCB Redesign 0410 color-ring inductor form factor. Identical body size and lead spacing versus the original TDK part. Customers can implement direct drop-in replacement without modifying existing PCB layout.

2. Matched Electrical Performance with Strict In-house Testing 1.8 mH inductance at ±5% tolerance. DCR, rated current, SRF and Q-factor closely match the original datasheet requirements. Supported by our newly-added TH2840B precision test equipment, every batch undergoes full-range parameter inspection to guarantee consistent performance for filtering, signal conditioning and low-power DC-DC circuits.

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3. Strong Manufacturing Capacity & Flexible One-stop Technical Service With self-owned production lines, Gujing handles mass-volume orders stably. Reel packing is available for automatic insertion SMT/through-hole assembly. Our one-stop technical support covers sample validation, parameter tuning and application consulting, helping customers shorten project cycle.

4. Superior Supply Stability & Cost-effective Local Sourcing Effectively mitigate long-lead-time risks and supply fluctuations of overseas imported components. Compare with imported alternatives, Gujing delivers obvious cost advantages while maintaining reliable quality, supporting consumer electronics, industrial control, instrumentation and home-appliance control board projects.

Typical Application Scenarios

Power supply filtering, signal conditioning circuits, low-power DC-DC converters, instruments & meters, household appliance control boards. Perfect substitute for projects originally specified with TDK B781*8S1185J000.

Important Reminder: Sample evaluation is highly recommended prior to mass production, to verify current-carrying capacity, temperature rise and EMI performance under real-world working conditions.

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