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L100J75K

Description
Wirewound Resistors - Chassis Mount 100watt 75K 5% High Power
CategoryPassive components    The resistor   
File Size338KB,2 Pages
ManufacturerOhmite
Websitehttps://www.ohmite.com
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L100J75K Overview

Wirewound Resistors - Chassis Mount 100watt 75K 5% High Power

L100J75K Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?incompatible
MakerOhmite
package instructionRadial,
Reach Compliance Codecompliant
ECCN codeEAR99
Other featuresFLAMEPROOF
structureAll-Welded
JESD-609 codee0
Manufacturer's serial number270
Installation featuresCHASSIS MOUNT
Number of terminals2
Maximum operating temperature350 °C
Package diameter19.1 mm
Package length165.1 mm
Package shapeTUBULAR PACKAGE
Package formRadial
Rated power dissipation(P)100 W
Rated temperature25 °C
resistance75000 Ω
Resistor typeFIXED RESISTOR
seriesL100
surface mountNO
technologyWIRE WOUND
Temperature Coefficient260 ppm/°C
Terminal surfaceTin/Lead (Sn/Pb)
Terminal shapeLUG
Tolerance5%
Operating Voltage2845 V
270 Series
Vitreous Enamel Power
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.
Suitable for rugged applications, the 270 Type
resistors feature all-welded construction and durable
lead free vitreous enamel coating. Mounting brackets
not included with resistors.
F e at u r e S
• Terminals suitable for soldering
or bolt connection
• High wattage applications
• Rugged lead free vitreous enamel coating
• Flame resistant coating
• All-welded construction
• RoHS compliant available
• “Fast on” option – see terminal 538,
http://www.ohmite.com/techdata/terminals.pdf
S e r I e S S P e C I F I C at I O N S
Series
L12
L25
L50
L100
L175
L225
L500
L1000
Wattage
12
25
50
100
175
225
500
1000
Ohms
0.1-51K
0.15-100K
0.38-260K
0.23-101K
0.13-101K
0.16-129K
0.38-218K
0.69-392K
Core Code
D
K
K
M
P
P
S
S
Voltage
565
625
1625
2845
3595
4595
4970
8900
Std. Terminal
57
40
40
40
46
46
45
45
Non-Inductive versions available;
Other sizes available; 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
resistance value of specified product
CharaCterIStICS
Coating
Lead free vitreous enamel. Large models (500 watts and up) are supplied in Silicone Ceramic.
Also available in low-cost Centohm coating; Consult factory.
Core
Tubular ceramic.
Terminals
Solder coated radial lug. RoHS solder composition is 96% Sn, 3.5% Ag, 0.5% Cu
Derating
Linearly from 100% @ +25°C to 0% @ +350°C.
Tolerance
±5% 1Ω and over (J); ±10% under 1Ω (K)
Power rating
Based on 25°C free air rating.
Overload
10 times rated wattage for 5 seconds.
Temperature coefficient
1 to 20Ω: ±400 ppm/°C; Above 20Ω: ±260 ppm/°C
Dielectric withstanding voltage
1000 VAC: 12 to 100 watt rating. 3000 VAC: 175 to 225 watt rating (Measured from terminal to
mounting bracket)
Max. amps
use the formula √P/R
Power limitations for
When resistance exceeds the resistance values listed, derate the Power Rating by 25% to
high resistance values
improve reliability.
No power derating necessary for ratings higher than 100W.
Power
rating
12W
25W
50W
Resistance
value
12,000Ω
3,900Ω
100W
35,000Ω
75,000Ω
Mounting Hardware
see http://www.ohmite.com/techdata/lug-mounting.php
1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
113
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