RE77G51R1 datasheet, PDF - EEWORLD Datasheet

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RE77G51R1: DescriptionFixed Resistor, Wire Wound, 75W, 51.1ohm, 2500V, 1% +/-Tol, -20,20ppm/Cel,; CategoryPassive components The resistor; File Size231KB，3 Pages; ManufacturerSEI(Stackpole Electronics Inc.); Websitehttps://www.seielect.com/; Environmental Compliance

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RE77G51R1 Overview

Fixed Resistor, Wire Wound, 75W, 51.1ohm, 2500V, 1% +/-Tol, -20,20ppm/Cel,

RE77G51R1 Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Maker	SEI(Stackpole Electronics Inc.)
Reach Compliance Code	compliant
ECCN code	EAR99
structure	All-Welded
Lead length	25.12 mm
Number of terminals	2
Package height	55.6 mm
Package length	88.9 mm
Package form	Chassis Mount
Package width	71.4 mm
method of packing	Bulk
Rated power dissipation(P)	75 W
Guideline	MIL-PRF-18546
resistance	51.1 Ω
Resistor type	FIXED RESISTOR
series	KAL
technology	WIRE WOUND
Temperature Coefficient	-20,20 ppm/°C
Tolerance	1%
Operating Voltage	2500 V

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KAL Series

Aluminum Housed Surface Mount Resistor

Features:

•

Aluminum housing for maximum heat dissipation

Complete welded construction

10-50W tinned copper terminals

Centerless ground steatite or alumina cores

Molded epoxy body for heat transfer

Non-inductive winding available (NKAL)

100–250W threaded terminals

RoHS compliant / lead-free

Stackpole Electronics, Inc.

Resistive Product Solutions

Electrical Specifications

Type / Code

KAL10

KAL25

KAL50

KAL100

KAL250

MIL-R-26

Ref.

RE-65

RE-70

RE-75

RE-77

RE-80

Power Rating

(Watts @ 25ºC)

Commercial

MIL

12.5W

10W

25W

50W

100W

250W

20W

30W

75W

120W

Dielectric

Withstanding

Voltage

1,000 VAC

3,000 VAC

2,500 VAC

TCR (ppm/ºC)

Ohmic Range (Ω) and Tolerance

0.1%

0.5%

1 - 1K

1 - 500

-

1%, 3%, 5%

0.05 - 30K

0.05

0.1

-

51.1K

150K

3K

<0.1Ω

0.1Ω - 9.9Ω

10Ω - 49Ω

>50Ω

=

±100ppm

±50ppm

±30ppm

±20ppm

1 - 1K

-

Performance Characteristics

Test

Short time Overload

Moisture resistance

Load life

Test Conditions

5x wattage rating - 5 seconds

Temp 40ºC moisture 95% CDC 100V for 500 hours

Load rating (chasis is mounted)

1.5 hours ON, 0.5 hours OFF. Repeated for 1000 hours

Results

∆R ± (0.5% + 0.05Ω) MAX

∆R ± (1.5% + 0.05Ω) MAX

Power Derating Curve:

Percent Rated Power (%)

100

75

50

25

0

25

50

100

150

200

250

275 300

Ambient Temperature (ºC)

Rev Date: 08/22/2013

This specification may be changed at any time without prior notice

Please confirm technical specifications before you order and/or use.

1

www.seielect.com

marketing@seielect.com

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Description	Fixed Resistor, Wire Wound, 75W, 51.1ohm, 2500V, 1% +/-Tol, -20,20ppm/Cel,	Fixed Resistor, Wire Wound, 75W, 2490ohm, 2500V, 1% +/-Tol, -20,20ppm/Cel,	Fixed Resistor, Wire Wound, 30W, 2210ohm, 3000V, 1% +/-Tol, -20,20ppm/Cel,	Fixed Resistor, Wire Wound, 25W, 612ohm, 3000V, 0.1% +/-Tol, 20ppm/Cel, Chassis Mount, ROHS COMPLIANT	Fixed Resistor, Wire Wound, 10W, 2260ohm, 1000V, 1% +/-Tol, -20,20ppm/Cel, 7580,	Fixed Resistor, Wire Wound, 20W, 2260ohm, 3000V, 1% +/-Tol, -20,20ppm/Cel,	Fixed Resistor, Wire Wound, 10W, 232ohm, 1000V, 1% +/-Tol, -20,20ppm/Cel, 7580	Fixed Resistor, Wire Wound, 10W, 232ohm, 1000V, 1% +/-Tol, -20,20ppm/Cel, 7580,
Is it Rohs certified?	conform to	conform to	conform to	conform to	conform to	conform to	conform to	conform to
Reach Compliance Code	compliant	compliant	compliant	compliant	compliant	compliant	compliant	compliant
ECCN code	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99
structure	All-Welded	All-Welded	All-Welded	All-Welded	All-Welded	All-Welded	All-Welded	All-Welded
Lead length	25.12 mm	25.12 mm	10.4 mm	11.13 mm	7.9 mm	11.1 mm	7.9 mm	7.9 mm
Number of terminals	2	2	2	2	2	2	2	2
Package height	55.6 mm	55.6 mm	15.5 mm	13.87 mm	9.9 mm	13.9 mm	9.9 mm	9.9 mm
Package length	88.9 mm	88.9 mm	50 mm	26.97 mm	19 mm	27 mm	19 mm	19 mm
Package form	Chassis Mount	Chassis Mount	Chassis Mount	Chassis Mount	Chassis Mount	Chassis Mount	Chassis Mount	Chassis Mount
Package width	71.4 mm	71.4 mm	29 mm	27.43 mm	20.3 mm	27.4 mm	20.3 mm	20.3 mm
method of packing	Bulk	Bulk	Bulk	BULK	Bulk	Bulk	Bulk	Bulk
Rated power dissipation(P)	75 W	75 W	30 W	25 W	10 W	20 W	10 W	10 W
Guideline	MIL-PRF-18546	MIL-PRF-18546	MIL-PRF-18546	MIL-PRF-18546	MIL-PRF-18546	MIL-PRF-18546	MIL-PRF-18546	MIL-PRF-18546
resistance	51.1 Ω	2490 Ω	2210 Ω	612 Ω	2260 Ω	2260 Ω	232 Ω	232 Ω
Resistor type	FIXED RESISTOR	FIXED RESISTOR	FIXED RESISTOR	FIXED RESISTOR	FIXED RESISTOR	FIXED RESISTOR	FIXED RESISTOR	FIXED RESISTOR
series	KAL	KAL	KAL	KAL	KAL	KAL	KAL	KAL
technology	WIRE WOUND	WIRE WOUND	WIRE WOUND	WIRE WOUND	WIRE WOUND	WIRE WOUND	WIRE WOUND	WIRE WOUND
Temperature Coefficient	-20,20 ppm/°C	-20,20 ppm/°C	-20,20 ppm/°C	20 ppm/°C	20 ppm/°C	20 ppm/°C	20 ppm/°C	20 ppm/°C
Tolerance	1%	1%	1%	0.1%	1%	1%	1%	1%
Operating Voltage	2500 V	2500 V	3000 V	3000 V	1000 V	3000 V	1000 V	1000 V
Objectid	-	-	833358299	1178844467	833356549	833357370	1224191131	833356552

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