Datasheet > B12J7R5

B12J7R5

更新时间： 2022-09-29 11:47:55

品牌	Logo	应用领域
OHMITE		/
页数	文件大小	规格书
2页	269K
描述
RES 7.5 OHM 12W 5% AXIAL

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B12J7R5 数据手册

200 Series

Brown Devil® Vitreous Enamel Power

Ohmite’s Brown Devil® is a small, exceptionally

durable power resistor. It features all-welded con-

struction and rugged, flame resistant conformal lead

free vitreous enamel coating to ensure successful

performance under high temperatures.

The wirewound 200 Series has a hollow-core con-

struction, which accommodates rigid mounting with

brackets or thru bolts.

F ꢁ at u ꢀ ꢁ S

Mounting brackets not included with resistors.

•ꢀRuggedꢀleadꢀfreeꢀvitreousꢀenamelꢀcoating

•ꢀAll-weldedꢀconstruction.

•ꢀSelfꢀsupportingꢀterminalꢀmountingꢀoption.

•ꢀHigherꢀpowerꢀratings.

•ꢀFlame-resistantꢀleadꢀfreeꢀvitreousꢀenamelꢀcoating.

•ꢀRoHSꢀcompliantꢀproductꢀavailable.ꢀAddꢀ“E”ꢀsuffixꢀtoꢀ

part number to specify.

SꢁꢀꢂꢁS SPꢁcꢂFꢂcatꢂONS

Series Wattage

Ohms

Lead Gauge Max. Voltage*

B12

B20

5.25

8.0

12.0

20.0

0.1-20K

0.03-25K

0.08-51K

0.1-100K

187

250

625

750

Non-Inductive versions available. Insert “N” before tolerance code.

Example: B5NJ10RE

Also available in low cost Centohm or Silicone coating. Consult Ohmite.

* Maximum Voltage is based on Ohm’s Law [V=√P*R] as limited by the resis-

tance value of specified product

chaꢀactꢁꢀꢂStꢂcS

lead-free vitreous enamel

Ceramic

Coating

Core

Tinned axial; RoHS solder composition is 96% Sn, 3.5%

Ag, 0.5% Cu

Terminals

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

Derating

1Ω+: ±5%

Tolerance

under 1Ω: ±10%

Based on 25°C free air rating

Power rating

Overload

10 times rated wattage for 5 seconds

5Ω and under: ±400 ppm/°C

Above 5Ω: ±260 ppm/°C

Temperature coefficient

To calculate, use the formula √P/R

Max. amps

(continued)

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