Datasheet > ULRB12512R010JLFSLT

ULRB12512R010JLFSLT

更新时间： 2022-12-16 17:23:26

品牌	Logo	应用领域
TTELEC		电阻器
页数	文件大小	规格书
6页	184K
描述
Metal Element Current Sense Resistor

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Metal Element

Current Sense Resistor

ULR Series

• Robust metal strip able to withstand high temperature and high current.

• Low TCR and Inductance

• Resistance Range from 0.5 mΩ to 20 mΩ

• Power ratings from 1W to 3W in 1206, 2010 and 2512 chip size

• Designed for current sense circuits in power electronic systems

• Higher wattage devices feature PCB clearance gap to maximize thermal

performance

Electrical Data

IRC Type Coating

Power rating

at 80°C (Watts)

Standard Resistance

TCR

(±ppm/°C)

Tolerance

(±%)

Dielectric

Withstanding Voltage

(Volts)

Values (mΩ)

1206 Chip Size

ULRG1

Green

1, 2, 3, 5, 7, 10

1, 5

100

2010 Chip Size

ULRG15

Green

1.5

2512 Chip Size

ULRG1

11 - 20

7 - 10

4 - 6

ULRG2

ULRG25

Green

2.5

0.5 - 0.75

1 - 3

100

ULRG3

1, 5

200

2.5 - 3

4 - 5

150

100

ULRB1

ULRB2

Black

6 - 7

0.5 - 2

Notes:

.Black coating = wave or IR reﬂow soldering; Green coating = IR reﬂow solder. Wave reﬂow - solder mask must match the W and D dimensions on page 2

of data sheet. Non-standard resistance values available (contact factory). For resistance values above 20 mΩ, please refer to our LRC / LRF series.

Package sizes 2010 and 1206 with the green coating are uncoated on the top surface and unmarked for resistance value.

Environmental Data

Test

Short Term Overload (5x rated power for 5 seconds)

Load at rated power (1000 hours cyclic load @ 70°C)

Temperatature Cycling (-55°C to +150°C; 1000 cycles)

Dry Heat (+170°C, no load; 1000 hours)

Resistance to Solder Heat (260°C for 10 seconds)

Solderability (235°C for 2 seconds)

∆R/R ≤ ± 0.5% + 0.5 mΩ (black); ∆R/R ≤ ± 1% (green)

∆R/R ≤ ± 1% + 0.5 mΩ (black); ∆R/R ≤ ± 1% (green)

∆R/R ≤ ± 0.5% + 0.5 mΩ (black); ∆R/R ≤ ± 1% (green)

∆R/R ≤ ± 1% + 0.5 mΩ (black); ∆R/R ≤ ± 1% (green)

∆R/R ≤ ± 0.5% + 0.5 mΩ (black); ∆R/R ≤ ± 1% (green)

Minimum 95% coverage

Resistance to Solvents

No deterioration of protective coating or marking

-55°C to 170°C

Operating Temperature

General Note

IRC reserves the right to make changes in product speciﬁcation without notice or liability.

All information is subject to IRC’s own data and is considered accurate at time of going to print.

A Subsidiary of

TT electronics plc

Wire and Film Technologies Division• 4222 South Staples Street • Corpus Christi Texas 78411 USA

Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com

ULR Issue July 2009 Sheet 1 of 6

12 3 4 5 6

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