3862C-125-254HL datasheet, PDF

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3862C-125-254HL: DescriptionPotentiometer, Cermet, 1W, 250000ohm, 5% +/-Tol, -150,150ppm/Cel,; CategoryPassive components The resistor; File Size475KB，4 Pages; ManufacturerBourns; Websitehttp://www.bourns.com; Environmental Compliance

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3862C-125-254HL Overview

Potentiometer, Cermet, 1W, 250000ohm, 5% +/-Tol, -150,150ppm/Cel,

3862C-125-254HL Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Objectid	770290268
Reach Compliance Code	not_compliant
structure	Round
JESD-609 code	e3
Lead length	12.07 mm
Maximum operating temperature	125 °C
Minimum operating temperature	-40 °C
Package diameter	12.7 mm
Package length	11.51 mm
Package shape	CYLINDRICAL PACKAGE
Package form	PCB Mount
Rated power dissipation(P)	1 W
resistance	250000 Ω
Resistor type	POTENTIOMETER
rotation angle	260 deg
series	3862
technology	CERMET
Temperature Coefficient	-150,150 ppm/°C
Terminal surface	Matte Tin (Sn)
Tolerance	5%

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Features

Small diameter

Wide resistance range

Good resolution

Linear tapers

Cermet element

3862 – 1/2 ˝ Diameter Single-Turn Panel Control

Standard Resistance Range 1K ohms to 1 megohm

Total Resistance Tolerance(A Taper) ±10 %

(H Taper) ±5%

Independent Linearity ±5 %

Absolute Minimum Resistance 2 ohms maximum

Effective Electrical Angle 260 ° ±10 °

Contact Resistance Variation ±3 % or 6 ohms (whichever is greater)

Dielectric Withstanding Voltage (MIL-STD-202, Method 301)

Sea Level 750 VAC minimum

70,000 Feet 350 VAC minimum

Insulation Resistance (500 VDC) 1,000 megohms minimum

Power Rating (Voltage Limited by Power Dissipation or 350 VAC, Whichever is Less)

+70 °C1 watt

+125 °C0 watt

Theoretical Resolution Essentially infinite

Operating Temperature Range -40 °C to +125 °C

Storage Temperature Range -65 °C to +125 °C

Temperature Coefficient Over Storage Temperature Range ±150 ppm/°C

Vibration 20 G

Total Resistance Shift ±2 % maximum

Voltage Ratio Shift ±6 % maximum

Shock 50 G

Total Resistance Shift ±2 % maximum

Voltage Ratio Shift ±6 % maximum

Load Life 1,000 hours

Total Resistance Shift ±3 % maximum

Rotational Life, No Load

(C & N Bushings) 50,000 cycles

(E & T Bushings) 1,000 cycles

Total Resistance Shift ±5 % maximum

Contact Resistance Variation±3 % or 6 ohms (whichever is greater)

Moisture Resistance (MIL-STD-202, Method 106, Condition B)

Total Resistance Shift ±2 % maximum

Insulation Resistance (500 VDC) 100 megohms minimum

Salt Spray MIL-STD-202, Method 101, Condition A

IP Rating IP 40

Stop Strength33 N-cm (3 lb-in) maximum

Mechanical Angle 295 ° ±3 °

Torque

Starting and Running 353 N-cm (5 oz-in) maximum

Mounting (Torque on Bushing) 17-20 N-m (15-18 lb-in) maximum

Shaft Locking Torque with Locking Bushings 1412 N-cm (20 oz-in)

Weight (Single Section) 25 grams maximum

Terminals Printed circuit pins or J-Hooks

Soldering Condition Recommended hand soldering using Sn85/Ag5 no clean solder, 0.025 ˝ wire diameter

Maximum temperature 399 °C (750 °F) for 3 seconds No wash process to be used with no clean flux

Part can be wave soldered at 260 °C (500 °F) for 5 seconds, no wash process with no clean flux

Marking Manufacturer’s trademark, wiring diagram, date code, resistance, manufacturer’s part number

Ganging 1 cup maximum

Hardware One lockwasher (H-37-1) and one mounting nut (H-38-1) is shipped with each potentiometer;

locking bushing versions are shipped with one additional locking nut (H-38-3)

1 ELECTRICAL SPECIFICATIONS TESTED AT 250 RPM, AT ROOM AMBIENT: +25 °C NOMINAL.

Initial Electrical Characteristics

Environmental Characteristics

Mechanical Characteristics

WARNING

Cancer and Reproductive Harm

www.P65Warnings.ca.gov

*RoHS Directive 2015/863, Mar 31, 2015 and Annex.

Specifications are subject to change without notice. Users should verify actual device performance in their specific

applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the

last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.

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