LK21252R2M-T Taiyo Yuden, LK21252R2M-T Datasheet

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LK21252R2M-T

Manufacturer Part Number
LK21252R2M-T
Description
INDUCTOR MULTILAYER 2.2UH 0805
Manufacturer
Taiyo Yuden
Series
LKr
Datasheet

Specifications of LK21252R2M-T

Inductance
2.2µH
Current
30mA
Tolerance
±20%
Shielding
Shielded
Dc Resistance (dcr)
650 mOhm Max
Q @ Freq
45 @ 100MHz
Self Resonant Freq
50MHz
Package / Case
0805 (2125 Metric)
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C
Frequency - Test
10MHz
Applications
Portable Equipment
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Current - Saturation
-
Current - Temperature Rise
-

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
LK21252R2M-T
Manufacturer:
TAIYO YUDEN
Quantity:
66 000
■ Product information in this catalog is as of October 2008. All of the contents specified herein are
■ Please contact Taiyo Yuden Co., Ltd. for further details of product specifications as the individual
■ Please conduct validation and verification of products in actual condition of mounting and operating
■ All electronic components or functional modules listed in this catalog are developed, designed and
■ The contents of this catalog are applicable to the products which are purchased from our sales offices
■ Please note that Taiyo Yuden Co., Ltd. shall have no responsibility for any controversies or disputes that
■ Caution for export
Notice for TAIYO YUDEN products 
Please read this notice before using the TAIYO YUDEN products.
Please note that Taiyo Yuden Co., Ltd. shall not be responsible for any defects in products or equipment
Certain items in this catalog may require specific procedures for export according to “Foreign
subject to change without notice due to technical improvements, etc. Therefore, please check for the
latest information carefully before practical application or usage of the Products.
incorporating such products, which are caused under the conditions other than those specified in this
catalog or individual specification.
specification is available.
environment before commercial shipment of the equipment.
intended for use in general electronics equipment.(for AV, office automation, household, office supply,
information service, telecommunications, (such as mobile phone or PC) etc.). Before incorporating the
components or devices into any equipment in the field such as transportation,( automotive control, train
control, ship control), transportation signal, disaster prevention, medical, public information network
(telephone exchange, base station) etc. which may have direct influence to harm or injure a human
body, please contact Taiyo Yuden Co., Ltd. for more detail in advance.
Do not incorporate the products into any equipment in fields such as aerospace, aviation, nuclear
control, submarine system, military, etc. where higher safety and reliability are especially required.
In addition, even electronic components or functional modules that are used for the general electronic
equipment, if the equipment or the electric circuit require high safety or reliability function or
performances, a sufficient reliability evaluation check for safety shall be performed before commercial
shipment and moreover, due consideration to install a protective circuit is strongly recommended at
customer's design stage.
or distributors (so called “TAIYO YUDEN’ s official sales channel” ).
It is only applicable to the products purchased from any of TAIYO YUDEN’ s official sales channel.
may occur in connection with a third party's intellectual property rights and other related rights arising
from your usage of products in this catalog. Taiyo Yuden Co., Ltd. grants no license for such rights.
Exchange and Foreign Trade Control Law” of Japan, “U.S. Export Administration Regulations” , and
other applicable regulations. Should you have any question or inquiry on this matter, please contact our
sales staff.
Should you have any question or inquiry on this matter, please contact our sales staff.
当社カタログをご使用の際には 「当社製品に関するお断り」 を必ずお読みください。
REMINDERS
9
Please read the "Notice for TAIYO YUDEN products" before using this catalog.
3
1

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LK21252R2M-T Summary of contents

Page 1

... It is only applicable to the products purchased from any of TAIYO YUDEN’ s official sales channel. ■ Please note that Taiyo Yuden Co., Ltd. shall have no responsibility for any controversies or disputes that may occur in connection with a third party's intellectual property rights and other related rights arising from your usage of products in this catalog. Taiyo Yuden Co., Ltd. grants no license for such rights. ■ ...

Page 2

... ○ Internal code ±10 △ Standard Products ±20 △=Blank space Tape & Reel △ ! Please read the "Notice for TAIYO YUDEN products" before using this catalog. 6 ...

Page 3

... Unit:mm (inch) Imax [ mA] Rdcmax [ Ω] 250 0.15 80 0.30 15 0.80 信頼性 使用上の注意 Reliability Data Precautions P.246 P.254 Please read the "Notice for TAIYO YUDEN products" before using this catalog. 5 187 ...

Page 4

... Please read the "Notice for TAIYO YUDEN products" before using this catalog. 厚さ Thickness 〔mm〕 (inch) 0.50±0.05 (0.020±0.002) 厚さ Thickness 〔mm〕 (inch) 0.8±0.15 (0.031±0.006) ...

Page 5

... Please read the "Notice for TAIYO YUDEN products" before using this catalog. 5 189 ...

Page 6

... R33 50 330 40 1R0 30 R10 1000 LK2125 100 330 10 3R3 1R0 1 R33 0.1 R10 0.01 1000 0.1 10 100 △ ! Please read the "Notice for TAIYO YUDEN products" before using this catalog. R33 R10 100 3R3 1R0 R33 R10 1000 ...

Page 7

... 2125 CK CKP 2520 LK 2125 HK 2125 BK 2125 3216 BK △ ! Please read the "Notice for TAIYO YUDEN products" before using this catalog. ...

Page 8

... Direction of tape feed (15.7inches or more) 2.0±0.5 (0.079±0.031) φ13.0±0.2 (φ0.512±0.020) △ ! Please read the "Notice for TAIYO YUDEN products" before using this catalog. T 0.3 5 0.3 0.3 0.3 245 ...

Page 9

... HP4291A + 16197A (HK0603・AQ105) HP4291A + 16193A (HK1005) E4991A + 16197A (HKQ0603S) HP4291A(or its equivalent) + 16092A + in-house made jig(HK1608,2125)      △ ! Please read the "Notice for TAIYO YUDEN products" before using this catalog. 5 247 ...

Page 10

... HP8753D (HK2125) HK, HKQ, AQ Series: Temperature range: −30 to +85℃ Reference temperature: +20℃ Warp:2mm Testing board:glass epoxy-resin substrate Thickness:0.8mm △ ! Please read the "Notice for TAIYO YUDEN products" before using this catalog. 5 249 ...

Page 11

... Within ±30% ±30% (Note 1) When there are questions concerning △ ! Please read the "Notice for TAIYO YUDEN products" before using this catalog. 3/4 Test Methods and Remarks Solder temperature:230±5℃ Duration:4±1 sec. ...

Page 12

... Within ±15% Q change: Within ±30% △ ! Please read the "Notice for TAIYO YUDEN products" before using this catalog. 4/4 Test Methods and Remarks BBK Series: Temperature:40±2℃ Humidity:90 to 95%RH +24 Duration:500 hrs − ...

Page 13

... Therefore, please take proper precautions when designing land-patterns. Recommended land dimension for Reflow-soldering (unit: mm) △ ! Please read the "Notice for TAIYO YUDEN products" before using this catalog. 1/7 5 3216 2520 3.2 2.5 1.6 2.0 1.8∼2.5 1.0∼1.4 0.6∼1.5 0.6∼ ...

Page 14

... The following methods are listed in order from least stressful to most stressful: push-back, slit, V-grooving, and perforation. Thus, any ideal SMD inductor layout must also consider the PCB splitting procedure. △ ! Please read the "Notice for TAIYO YUDEN products" before using this catalog. 2/7 Recommended 5 257 ...

Page 15

... The adhesive should harden rapidly f. The adhesive must not be contaminated. g. The adhesive should have excellent insulation characteristics. h. The adhesive should not be toxic and have no emission of toxic gasses. △ ! Please read the "Notice for TAIYO YUDEN products" before using this catalog. 3/7 5 259 ...

Page 16

... Chip inductors are susceptible to thermal shock when exposed to rapid or concentrated heating or rapid cooling. Therefore, the soldering process must be conducted with a great care prevent malfunction of the components due to excessive thermal shock. △ ! Please read the "Notice for TAIYO YUDEN products" before using this catalog. 4/7 5 261 ...

Page 17

... Please read the "Notice for TAIYO YUDEN products" before using this catalog. 5/7 (Pb free soldering) Peak 260℃ max 10 sec max ...

Page 18

... Thus the following conditions should be carefully checked; Ultrasonic output Below 20 w/ℓ Ultrasonic frequency Below 40 kHz Ultrasonic washing period 5 min. or less △ ! Please read the "Notice for TAIYO YUDEN products" before using this catalog. 6/7 5 265 ...

Page 19

... For this reason, components should be used within 6 months from the time of delivery. If exceeding the above period, please check solder- ability before using the inductors Below 40 ℃ Below 70% RH △ ! Please read the "Notice for TAIYO YUDEN products" before using this catalog. 7/7 5 267 ...

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