Datasheet > L25J1K5

L25J1K5

更新时间： 2022-09-29 18:30:48

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OHMITE		/
页数	文件大小	规格书
2页	385K
描述
RES CHAS MNT 1.5K OHM 5% 25W

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L25J1K5 数据手册

270 Series

Vitreous Enamel Power

F ꢀ at u ꢁ ꢀ S

Select 270 Type fixed resistors for applications

requiring wattage ratings from 12 to 1000 watts.

The 270 Type resistors are equipped with lug termi-

nals suitable for soldering or sturdy bolt connection.

When secure mounting is required, the hollow core

of these resistors permit fastening with spring-type

brackets, thru bolts or thru bolts with slotted-steel

brackets.

•ꢀTerminalsꢀsuitableꢀforꢀsolderingꢀ

or bolt connection

•ꢀHighꢀwattageꢀapplications

•ꢀRuggedꢀleadꢀfreeꢀvitreousꢀenamelꢀcoating

•ꢀFlameꢀresistantꢀcoating

•ꢀAll-weldedꢀconstruction

•ꢀRoHSꢀcompliantꢀavailableꢀ

Suitable for rugged applications, the 270 Type

resistors feature all-welded construction and durable

lead free vitreous enamel coating. Mounting brackets •ꢀ“Fastꢀon”ꢀoptionꢀ–ꢀseeꢀterminalꢀ538,ꢀ

not included with resistors.

https://www.ohmite.com/assets/docs/terminals.pdf

SꢀꢁIꢀS SPꢀCIFICatIONS

Non-Inductive versions available;

Other sizes available; Also available in

low cost Centohm or Silicone coating;

Consult Ohmite.

Series

L12

L25

Wattage

Ohms

0.1-51K

Core Code

Max. Voltage*

565

Std. Terminal

0.15-100K

0.38-260K

0.23-101K

0.13-101K

0.16-129K

0.38-218K

0.69-392K

625

1625

2845

3595

4595

4970

8900

* Maximum Voltage is based on

Ohm’s Law [V=√P*R] as limited by the

resistance value of specified product

or the voltage limit stated, whichever

is lower.

L50

L100

L175

L225

L500

L1000

100

175

225

500

1000

ChaꢁaCtꢀꢁIStICS

Lead free vitreous enamel. Large models (500 watts and up) are supplied in Silicone Ceramic.

Also available in low-cost Centohm coating; Consult factory.

Coating

Tubular ceramic.

Core

Terminals

Derating

Solder coated radial lug. RoHS solder composition is 96% Sn, 3.5% Ag, 0.5% Cu

Linearly from 100% @ +25°C to 0% @ +350°C.

±5% 1Ω and over (J); ±10% under 1Ω (K)

Based on 25°C free air rating.

Tolerance

Power rating

Overload

10 times rated wattage for 5 seconds.

1 to 20Ω: ±400 ppm/°C; Above 20Ω: ±260 ppm/°C

Temperature coefficient

1000 VAC: 12 to 100 watt rating. 3000 VAC: 175 to 225 watt rating (Measured from terminal to

Dielectric withstanding voltage

mounting bracket)

use the formula √P/R

Max. amps

When resistance exceeds the resistance values listed, derate the Power Rating by 25% to

improve reliability. No power derating necessary for ratings higher than 100W.

Power limitations for

high resistance values

Power

rating

Resistance

value

12W

25W

50W

100W

3,900Ω

12,000Ω

35,000Ω

75,000Ω

see https://www.ohmite.com/assets/docs/hardware_resistor.pdf

Mounting Hardware

(continued)

1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com

112

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