Features

Applications

CRF Series - High Power Current Sense Chip Resistor

*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.

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

Users should verify actual device performance in their specific applications.

DIMENSIONS:

MM

(INCHES)

Electrical Characteristics

CRF1206

CRF2512

Power Rating @ 70 °C

1 W

(0.001 to 0.010

Ω) 2 W

(0.015 to 0.050

Ω) 1 W

Operating Temperature Range

-55 °C to +170 °C

Derated to Zero Load at

+170 °C

Maximum Working Voltage

(P x R)1/2

Insulation Resistance

> 100 megohms

Resistance Range

0.01 - 0.02

Ω

0.001 - 0.050

Ω

Resistance Tolerance

±1 %

±1 %, ±5 %

Temperature Coefficient

0.001 to 0.002 ohms

±275 PPM/°C

0.003 to 0.010 ohms

±100 PPM/°C

0.015 to 0.050 ohms

±75 PPM/°C

Recommended Solder Pad Layout

Product Dimensions

Resistance

Range (

Ω)

A

B

L

Model

0.01-

1.8

1.9

1.4

CRF1206

0.02

(0.07)

(0.075)

(0.055)

0.001-

4.0

3.1

1.3

CRF2512

0.002

(0.157)

(0.122)

(0.051)

0.003-

4.0

2.1

4.1

0.050

(0.157)

(0.083)

(0.161)

Construction

Overcoat

Metal Alloy Plate

Ni / Sn

Plating

Derating Curve

Ambient Temperature (°C)

70

170

100

-55

A

B

SENSING TRACE

Cu TRACE

L

A

B

C

CC

T

C

Performance Characteristics

Test

Conditions

Specification

Thermal Shock

-55 ˚C to + 150 ˚C,

ΔR ±(0.5 % + 0.0005 Ω)

1000 Cycles, 15 minutes

Short Time Overload

5 X Rated Power for 5 seconds

ΔR ±(0.5 % + 0.0005 Ω)

Low Temperature

-55 ˚C for 24 hours

ΔR ±(0.5 % + 0.0005 Ω)

Storage

High Temperature

Exposure

1000 hours @ + 170 ˚C

ΔR ±(1.0 % + 0.0005 Ω)

Bias Humidity

+ 85 ˚C, 85 % RH, 10 % Bias,

ΔR ±(0.5 % + 0.0005 Ω)

1000 hours

Mechanical Shock

100 g’s for 6 milliseconds, 5 pulses

ΔR ±(0.5 % + 0.0005 Ω)

Vibration

Frequency varied 10 to 2000 KHz

ΔR ±(0.5% + 0.0005 Ω)

in one minute, 3 directions, 12 hours

Load Life

1000 hours at rated power at

ΔR ±(1.0% + 0.0005 Ω)

+70 ˚C, 1.5 hours on, 0.5 hours off

Resistance to Solder

+260 ˚C Solder, 10-12 second dwell,

ΔR ±(0.5 % + 0.0005 Ω)

Heat

25 mm/second emergence

Moisture Resistance

MIL-STD-202 Method 106, 0 % power

ΔR ±(0.5% + 0.0005 Ω)

(7a and 7b not required)

Dim.

CRF1206

CRF2512

A

3.20 ± 0.20

6.40 ± 0.20

(0.126 ± 0.008)

(0.252 ± 0.008)

B

1.65 ± 0.20

3.20 ± 0.20

(0.064 ± 0.008)

(0.126 ± 0.008)

C

Ω)

0.5 ± 0.3

Ω))

(0.0197 ± 0.012)

0.9 ± 0.2 (R > 2m

Ω)

(0.035 ± 0.008 (R ≤ 2m

Ω))

T

0.6 ± 0.20

0.6 ± 0.20

(0.0236 ± 0.008)

(0.0236 ± 0.008)