1. General Information

️· Product: SHIELDED SMD INDUCTOR DR331-7 SERIES
️· Operating Temperature: -40°C to +85°C
️· Inductance Range: 1.0µH to 10000µH
️· RoHS Compliance: Yes (but non-RoHS options are available with leaded solder)
️· Manufacturer Contact: Datatronic (with multiple contact locations in California and Hong Kong)
️· Disclaimer: Specifications are subject to change without notice.

2. Electrical Specifications (Table Summary)

The core of the data sheet is the table detailing electrical performance. Here's a summary of the data points for each part number. (Note: SRF = Self-Resonant Frequency; Q = Quality Factor)

Part No.	Inductance (µH)	DCR (Ω) Max.	Irms (A) Max.	Isat (A) Max.	SRF (MHz) REF.	Q Min
DR331-7-102	1.0	0.04	3.0	1.1	250	30 @ 200kHz, 0.1V
DR331-7-152	1.5	0.045	2.8	0.90	125	30 @ 200kHz, 0.1V
DR331-7-222	2.2	0.05	1.8	0.68	120	40 @ 200kHz, 0.1V
DR331-7-332	3.3	0.055	1.6	0.40	120	40 @ 200kHz, 0.1V
DR331-7-472	4.7	0.06	1.4	0.38	105	40 @ 200kHz, 0.1V
DR331-7-682	6.8	0.065	1.2	0.36	50.0	40 @ 200kHz, 0.1V
DR331-7-103	10	0.075	1.0	0.24	38.0	40 @ 200kHz, 0.1V
DR331-7-153	15	0.09	0.8	0.18	33.0	40 @ 100kHz, 0.1V
DR331-7-223	22	0.11	0.7	0.16	25	40 @ 100kHz, 0.1V
DR331-7-333	33	0.19	0.6	0.14	20	40 @ 100kHz, 0.1V
DR331-7-473	47	0.23	0.5	0.12	20.0	40 @ 100kHz, 0.1V
DR331-7-683	68	0.29	0.4	0.10	15.0	40 @ 100kHz, 0.1V
DR331-7-104	100	0.48	0.3	0.04	10	40 @ 100kHz, 0.1V
DR331-7-154	150	0.59	0.26	0.04	9.0	40 @ 100kHz, 0.1V
DR331-7-224	220	0.9	0.22	0.04	6.0	40 @ 100kHz, 0.1V
DR331-7-334	330	1.4	0.2	0.04	5.0	40 @ 100kHz, 0.1V
DR331-7-474	470	1.8	0.19	0.04	4.0	40 @ 100kHz, 0.1V
DR331-7-684	680	2.2	0.18	0.02	3.0	40 @ 100kHz, 0.1V
DR331-7-105	1000	3.4	0.15	0.02	2.0	40 @ 100kHz, 0.1V
DR331-7-155	1500	4.2	0.12	0.02	2.0	50 @ 100kHz, 0.1V
DR331-7-225	2200	8.5	0.1	0.02	2.0	50 @ 100kHz, 0.1V
DR331-7-335	3300	11	0.08	0.02	1.0	50 @ 100kHz, 0.1V
DR331-7-475	4700	13.9	0.06	0.02	1.0	50 @ 100kHz, 0.1V
DR331-7-685	6800	25	0.04	0.02	1.0	50 @ 100kHz, 0.1V
DR331-7-106	10000	32.8	0.02	0.02	0.8	50 @ 100kHz, 0.1V

*DCR = DC Resistance
*Irms = Root Mean Square Current (Maximum)
*Isat = Saturation Current (Maximum)
*SRF = Self-Resonant Frequency
*Q = Quality Factor (at a given frequency)*

3. Mechanical/Physical Aspects

️· Dimensions are specified in both inches and millimeters.
️· Detailed dimensional drawings are provided.

4. Important Notes/Points

️· Test Conditions: Electrical specifications are measured at 25°C.
️· RoHS: Options are available for both RoHS-compliant and non-compliant (lead-containing solder) versions.
️· Packaging: Inductors are available in tape and reel packaging (2000 units per reel).
️· Revision: The datasheet was last updated on October 30, 2011.
️· Dimensional Tolerance: Specific tolerance values are stated for dimensional specifications.