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Specifications
Current Rating:
2.1A
Inductance:
6.8uH
Tolerance:
±20%
DC Resistance(DCR):
70mΩ
Current - Saturation(Isat):
3.9A
Mfr. Part #:
XRRF7342-6R8M
Package:
SMD-4P,7.5x7.5mm
Key Attributes
Model Number:
XRRF7342-6R8M
Product Description
Product Overview
The XRRF7342 series of coupled inductors are designed for a variety of circuits including flyback, multi-output buck, and SEPIC. They feature tight coupling (k 0.97) and 200V isolation, providing high inductance, high efficiency, and excellent current handling in a rugged, low-cost package. These inductors can also be used as two single inductors in series or parallel, as a common mode choke, or as a 1:1 transformer.
Product Attributes
- Brand: DONGGUAN XIANGRU ELECTRONICS CO.,LTD
- Origin: China
- Material: Ferrite core, RoHS compliant matte tin over nickel over phos bronze terminations
- Certifications: RoHS compliant
Technical Specifications
| PART NO. | Inductance 2 (uH) 20% | DCR max 3 () | SRF typ 4 (MHz) | Coupling coefficient typ | Leakage L typ 5 (uH) | Isat (A) 10% drop | Irms (A) 20% drop | Irms (A) 30% drop | Winding to winding isolation 7 (Vrms) |
| XRRF7342-6R8M | 6.8 | 0.07 | 30 | 0.99 | 0.14 | 3.70 | 3.80 | 3.90 | 200 |
| Parameter | Value | Notes |
| Termination | RoHS compliant matte tin over nickel over phos bronze | Special order: T = RoHS tin-silver-copper (95.5/4/0.5) or S = non-RoHS tin-lead (63/37) |
| Inductance measurement | 100 kHz, 0.1 Vrms, 0 Adc | For each winding. When leads are connected in parallel, inductance is the same value. When leads are connected in series, inductance is four times the value. |
| DCR measurement | For each winding | When leads are connected in parallel, DCR is half the value. When leads are connected in series, DCR is twice the value. |
| SRF measurement | Using an Agilent/HP 4191A or equivalent | When leads are connected in parallel, SRF is the same value. |
| Leakage inductance | For L1, L2 shorted | |
| DC current (Isat) | Inductance drops specified amount from its value without current | Sum of current flowing in both windings. |
| Core material | Ferrite | |
| Weight | 0.76 0.87g | |
| Ambient temperature | 40C to +85C | With (40C rise) Irms current. |
| Maximum part temperature | +125C | Ambient + temp rise. |
| Storage temperature | Component: 40C to +125C; Tape and reel packaging: 40C to +80C | |
| Resistance to soldering heat | Max three 40 second reflows at +260C | Parts cooled to room temperature between cycles. |
| Moisture Sensitivity Level (MSL) | 1 | Unlimited floor life at <30C / 85% relative humidity. |
| Failures in Time (FIT) / Mean Time Between Failures (MTBF) | 38 per billion hours / 26,315,789 hours | Calculated per Telcordia SR-332. |
| Packaging | 250/7 reel; 1000/13 reel | Plastic tape: 16 mm wide, 0.4 mm thick, 12 mm pocket spacing, 4.9 mm pocket depth. |
| PCB washing | Tested to MIL-STD-202 Method 215 plus an additional aqueous wash | See Doc787_PCB_Washing.pdf. |
2512101500_XR-XRRF7342-6R8M_C51484162.pdf
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