Document Type: Datasheet for the "DR349-2" series of SMD (Surface Mount Device) inductors from Datatronics.

Product Overview:

️· Series: DR349-2
️· Type: SMD Inductors
️· Application: Designed for various electronic circuits.
️· RoHS Compliant: Yes. (Note: Non-RoHS versions are available with a "42-" prefix in the part number.)

Key Specifications (from the provided tables - please read carefully, there are two tables):

Table 8.1: (Smaller inductance values)

Part Number	Inductance (µH)	Test Frequency (MHz)	DCR (Ω) Max	Max Rated Current (A)
DR349-2-101	0.1	25.2	0.1	0.55
DR349-2-121	0.12	25.2	0.12	0.50
DR349-2-151	0.15	25.2	0.15	0.48
DR349-2-181	0.18	25.2	0.19	0.46
DR349-2-221	0.22	25.2	0.23	0.44
DR349-2-271	0.27	25.2	0.27	0.42
DR349-2-331	0.33	25.2	0.31	0.40
DR349-2-391	0.39	25.2	0.36	0.38
DR349-2-471	0.47	25.2	0.41	0.36
DR349-2-561	0.56	25.2	0.46	0.34
DR349-2-681	0.68	25.2	0.51	0.32
DR349-2-821	0.82	25.2	0.56	0.30
DR349-2-102	1.0	7.96	0.50	0.45

Table 8.2: (Larger inductance values)

Part Number	Inductance (µH)	Test Frequency (MHz)	DCR (Ω) Max	Max Rated Current (A)
DR349-2-122	1.2	7.96	0.55	0.43
DR349-2-152	1.5	7.96	0.60	0.41
DR349-2-182	1.8	7.96	0.65	0.39
DR349-2-222	2.2	7.96	0.70	0.38
DR349-2-272	2.7	7.96	0.75	0.37
DR349-2-332	3.3	7.96	0.80	0.355
DR349-2-392	3.9	7.96	0.90	0.330
DR349-2-472	4.7	7.96	1.0	0.315
DR349-2-562	5.6	7.96	1.1	0.300
DR349-2-682	6.8	7.96	1.2	0.285
DR349-2-822	8.2	7.96	1.4	0.270
DR349-2-103	10.0	2.52	1.5	0.250
DR349-2-123	12.0	2.52	2.0	0.225
DR349-2-153	15.0	2.52	2.5	0.200
DR349-2-183	18.0	2.52	2.8	0.190
DR349-2-223	22.0	2.52	3.2	0.180
DR349-2-273	27.0	2.52	3.6	0.170
DR349-2-333	33.0	2.52	4.0	0.160
DR349-2-393	39.0	2.52	4.5	0.150
DR349-2-473	47.0	2.52	5.0	0.140
DR349-2-563	56.0	2.52	5.5	0.135
DR349-2-683	68.0	2.52	6.0	0.130
DR349-2-823	82.0	2.52	7.0	0.120
DR349-2-104	100	0.796	8.0	0.110

Additional Information:

️· Mechanical Outline: Included (but not described in this summary – refer to the document).
️· Contact Information: Datatronics contact details are provided for sales and technical support.
️· Revision: The document states it was last updated on July 2007.
️· General Tolerance: General tolerance is ±0.1mm.



Important Note: Always consult the complete datasheet for accurate and detailed specifications before using these components in a design.