SM3-681H

Gowanda’s SM3-681H is a molded unshielded temperature stable inductor, designed for high reliability in electronic applications. Weighing just 0.05 grams and measuring 2.98 × 2.29 × 2.18 mm, this inductor is part of the SM3 series and is suitable for surface mount technology (SMT). It is classified under the COTS+ application grade, offering an inductance of 6.8 µH with a direct current resistance (DCR) of 2.2 Ω and a current rating of 0.307 A DC. The self-resonant frequency (SRF) is 35 MHz, tested at a frequency of 4 MHz, with a tolerance of ±3%. The inductor features a powdered iron core and is not shielded, operating efficiently within a temperature range of -55°C to +125°C. It has a moisture sensitivity level (MSL) of 1 and is packaged in tape and reel (T&R) format. The termination type is lead-based (Pb) with a finish of Sn63Pb37, and it is fungal inert, ensuring durability and performance in demanding environments.

Weight 0.05 g
Dimensions 2.98 × 2.29 × 2.18 mm
Series

SM3

Mounting Type

SMT

Application Grade

COTS+

Inductance (µH)

6.8

DCR (Ω)

2.2

Current Rating (A DC)

0.307

SRF (MHz)

35

Test Freq (MHz)

4

Tolerance

±3%

Termination Type

Pb

Termination Finish

Sn63Pb37

Core

Powdered Iron

Shielded

No

Operating Temperature

-55°C to +125°C

MSL

1

Packaging

T&R

Fungal Inert

Yes

Molded Unshielded Temperature Stable Inductor

Notes

[product_description]
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SM3-681H

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