UP1/4T934.40.5%A datasheet, PDF

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UP1/4T934.40.5%A: DescriptionFixed Resistor, Metal Film, 0.25W, 34.4ohm, 350V, 0.5% +/-Tol, 25ppm/Cel, Through Hole Mount, AXIAL LEADED; CategoryPassive components The resistor; File Size188KB，2 Pages; ManufacturerSEI(Stackpole Electronics Inc.); Websitehttps://www.seielect.com/

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UP1/4T934.40.5%A Overview

Fixed Resistor, Metal Film, 0.25W, 34.4ohm, 350V, 0.5% +/-Tol, 25ppm/Cel, Through Hole Mount, AXIAL LEADED

UP1/4T934.40.5%A Parametric

Parameter Name	Attribute value
Is it lead-free?	Contains lead
Is it Rohs certified?	incompatible
package instruction	AXIAL LEADED
Reach Compliance Code	compliant
ECCN code	EAR99
Manufacturer's serial number	UP
Installation features	THROUGH HOLE MOUNT
Number of terminals	2
Maximum operating temperature	85 °C
Minimum operating temperature	-20 °C
Package shape	TUBULAR PACKAGE
method of packing	BULK
Rated power dissipation(P)	0.25 W
Rated temperature	70 °C
resistance	34.4 Ω
Resistor type	FIXED RESISTOR
surface mount	NO
technology	METAL FILM
Temperature Coefficient	25 ppm/°C
Terminal shape	WIRE
Tolerance	0.5%
Operating Voltage	350 V
Base Number Matches	1

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UP Series — Ultra Precision Metal Film Resistors

Features

• Highest stability metal film available

• Higher power options available

• Tolerances to ±0.01% available

• 1W available, contact factory

• Cut and formed product is available on

select sizes; contact factory for details

• TCRs as low as 5 ppm

• Matched sets available

• Low noise

• Non-standard resistance values available

Electrical Specifications

Type / Code

UP 1/4

UP 1/2

Power Rating

(Watts) @ 70°C

0.25W

0.5W

Maximum Working Voltage*

350

Maximum Pulse Voltage

500

* Lesser of

√PR

or maximum working voltage.

Tolerance / TCR Combinations

Electrical (Operating Temperature Range -20°C to +85°C)

TCR

Code

TCR

0.01–0.02%

51.1Ω – 500K

51.1Ω – 294K

0.05%

10Ω – 1M

UP 1/4

0.1–0.25%

10Ω – 499K

10Ω – 4M

5.11Ω – 2M

0.5–1%

1Ω – 4M

1Ω – 2M

1Ω – 3.92M

0.01–0.02%

51.1Ω – 499K

UP 1/2

0.05%

10Ω – 499K

0.1–0.25%

10Ω – 499K

10Ω – 1M

5.11Ω – 1M

5.11Ω – 2M

0.5–1%

10Ω – 499K

1Ω – 1M

1Ω – 2M

1Ω – 3.92M

How to Order

SEI Type

1/4

Code

TCR Code

4.75K

Nominal Resistance

Tolerance

Packaging

Code

1/4

1/2

Code

T2 = 50ppm

T9 = 25ppm

TD = 15ppm

TB = 10ppm

TA = 5ppm

Tolerance

0.01%

0.02%

0.05%

0.1%

0.25%

0.5%

Values

E192

Code

Description

Paper

Bulk

Pkg Qty

5,000

1,000

Toll Free: (888) SEI-SEIS

(888) 734-7347

www.seielect.com

email: marketing@seielect.com

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