WRF24R75%A datasheet, PDF - EEWORLD Datasheet

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WRF24R75%A: DescriptionFixed Resistor, Wire Wound, 2W, 4.7ohm, 5% +/-Tol, 200ppm/Cel, Through Hole Mount, AXIAL LEADED, ROHS COMPLIANT; CategoryPassive components The resistor; File Size164KB，1 Pages; ManufacturerSEI(Stackpole Electronics Inc.); Websitehttps://www.seielect.com/; Environmental Compliance

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WRF24R75%A Overview

Fixed Resistor, Wire Wound, 2W, 4.7ohm, 5% +/-Tol, 200ppm/Cel, Through Hole Mount, AXIAL LEADED, ROHS COMPLIANT

WRF24R75%A Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Maker	SEI(Stackpole Electronics Inc.)
package instruction	AXIAL LEADED, ROHS COMPLIANT
Reach Compliance Code	compli
ECCN code	EAR99
Other features	FLAME PROOF
JESD-609 code	e2
Manufacturer's serial number	WRF
Installation features	THROUGH HOLE MOUNT
Number of terminals	2
Maximum operating temperature	250 °C
Minimum operating temperature	-55 °C
Package shape	TUBULAR PACKAGE
method of packing	BULK
Rated power dissipation(P)	2 W
Rated temperature	25 °C
resistance	4.7 Ω
Resistor type	FIXED RESISTOR
surface mount	NO
technology	WIRE WOUND
Temperature Coefficient	200 ppm/°C
Terminal surface	Tin/Copper (Sn/Cu)
Terminal shape	WIRE
Tolerance	5%

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WRF Series — Consumer Grade - Conformal Coated Wirewound

Features

• Conformal coating

• Flameproof construction

• Temperature coefficient of resistance of ±100ppm/°C

• Cut and formed product is available on select sizes; contact factory for details

• RoHS compliant / lead-free

Electrical Specifications

Type / Code

Power Rating

(Watts) @ 25°C

Maximum

Working

Voltage

√PR

Dielectric

Withstanding

Voltage (RMS)

700

Resistance

Temperature

Coefficient

±200 ppm/°C

Ohmic Range and Tolerance

0.1Ω – 680Ω

0.1Ω – 1.2K

WRF 1

WRF 2

WRF 3

Mechanical Specifications

Type / Code

WRF 1

WRF 2

WRF 3

Body Length

0.433 max

11.0 max

0.630 max

16.0 max

0.630 max

16.0 max

Body Width

0.197 max

5.0 max

0.197 max

5.0 max

0.197 max

5.0 max

Lead Length (Bulk)

1.10 ± 0.08

28.0 ± 2.0

1.10 ± 0.08

28.0 ± 2.0

1.10 ± 0.12

28.0 ± 3.0

Lead Diameter

0.031

0.78

0.031

0.80

0.031

0.80

0.002

0.05

0.002

0.05

0.002

0.05

Units

inches

Performance Characteristics

Test

Moisture Resistance

Thermal Shock

Load Life @ 70°C – 1,000 hrs

Shock and Vibration

Resistance to Soldering Heat

Short Time Overload

Operating Temperature Range

Test Results

±5% +0.05Ω

±2% +0.05Ω

±5% +0.05Ω

±1% +0.05Ω

±2% +0.05Ω

±3% +0.05Ω

-55ºC to +250°C

How to Order

WRF

SEI Type

Code

1.1K

Nominal Resistance

Tolerance

Packaging

Code

Tolerance

Values

E24

Code

Description

Bulk

Tape

Pkg Qty

1,000

2,000

Toll Free: (888) SEI-SEIS

(888) 734-7347

www.seielect.com

email: marketing@seielect.com

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