Datasheet > CRM2512-FX-R330ELF

CRM2512-FX-R330ELF

更新时间： 2024-01-21 21:43:44

品牌	Logo	应用领域
伯恩斯 - BOURNS		/
页数	文件大小	规格书
3页	294K
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Thick fi lm technology

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Features

Applications

■ Power supplies

■ Stepper motor drives

■ Thick ﬁlm technology

■ Power rating of 2 watts at 70 °C

■ RoHS compliant*

CRM2512 - Pulse Resistant Power Resistor

Electrical Characteristics

Characteristic

General Information

The Bourns CRM2512 Series is a

Model

CRM2512

thick- ﬁlm power resistor with a rating of

2 watts in a standard 2512 chip format.

This product has a very wide resistance

range making it suitable for different

applications in power supply circuits

including current sensing and inrush

current limiting.

CRM2512

(0.110 to 0.91 Ω)

(0 Ω, 1.0 Ω to 1.0 MΩ)

Power Rating @ 70 °C

Operating Temp. Range

Derated to Zero Load at

Maximum Working Voltage

Maximum Overload Voltage

Insulation Resistance

2 W

-55 °C to +155 °C

+155 °C

1349 mV

2698 mV

300 V

600 V

Characteristic Data

> 1000 MΩ

1 Ω - 9.1 Ω

0 Ω,

Test

ΔR Max.

0.110 - 0.91 Ω

(E24 Values)

10 Ω - 1 MΩ

(E96 Values)

1.0 - 1 MΩ

(E24 Values)

Resistance Range

(E24 Values)

Load Life (1000 hours)

1 % Tolerance

< 1 %

< 3 %

5 % Tolerance

Resistance Tolerance

Temperature Coefﬁcient

1 % ꢀ 5 %

100 PPM/°C

5 %

200 PPM/°C

1 %

Short Term Overload

100 PPM/°C

1 % Tolerance

< 1 %

< 2 %

Notes:

5 % Tolerance

(1) CRM2512 2 W loading with total solder pad and trace size of 300 mm .

1/2

Thermal Shock

1 % Tolerance

5 % Tolerance

(2) E = (PxR)

E: Working Voltage (V); P: Rated Power (W); R: Resistance Value (Ω)

< 0.5 %

< 1 %

(3) Jumper (0 Ω): Rated current 6 A maximum with 300 mm pad.

For Standard Values Used in Capacitors, Inductors, and Resistors, click here.

Product Dimensions

Soldering Proﬁle

6.3 ꢀ.ꢁꢀ

(ꢀ.ꢁ48 ꢀ.ꢀꢀ8ꢂ

250

Peak 260 +5/-0 °C

2ꢀ0 °C or higher

3.1 ꢀ.ꢁꢀ

(ꢀ.1ꢁꢁ ꢀ.ꢀꢀ8ꢂ

TOP SIDE

200

150

100

Pre-heating Zone

180 °C

150 °C

ꢀ.6 ꢀ.ꢁꢀ

(ꢀ.ꢀꢁ4 ꢀ.ꢀꢀ8ꢂ

ꢀ.6 ꢀ.ꢁꢀ

(ꢀ.ꢀꢁ4 ꢀ.ꢀꢀ8ꢂ

90 ꢀ0 ꢁeꢂonꢃꢁ

ꢀ0 10 ꢁeꢂonꢃꢁ

Solꢃering Zone

1.8 ꢀ.ꢁꢀ

(ꢀ.ꢀ7ꢀ ꢀ.ꢀꢀ8ꢂ

Heating Time

Recommended Solder Pad Layout

2.45

(.096)

Derating Curve

100

3.7

(.146)

7.6

(.299)

-55

155

DIMENSIONS:

Ambient Temperature (°C)

(INCHES)

*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.

Speciﬁcations are subject to change without notice.

Users should verify actual device performance in their speciﬁc applications.

The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.

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