T7A55

OBSOLETE Semi-precision power wirewound resistor

Lifecycle:

Obsolete

Brand:

IRC

Series:

T

Alternative Part Number:

NT7A55, WHS7

Distributor Inventory
Data Sheet

Specifications

Series T
Application Precision
Mounting Through hole
Package Axial
Technology Wirewound
Approval None
Example MPN T7A551000FLF
Termination Options
  • Pb-free
  • Pb-bearing
Power 7W
Rated Ambient Temperature 25°C
De-rate to 0W Ambient Temperature 275°C
Max Ambient Temperature 275°C
LEV 1.183kV
Resistance min 0.1Ω
Resistance max 175kΩ
Critical Resistance (where applying LEV dissipates Pr) -
Tolerance 0.1%
TCR 20ppm/°C
Isolation Voltage of Insulation -
RoHS Compliant (if Pb-free) Yes (see below)
RoHS Exemption None
China RoHS (if Pb-free) Compliant
REACH Status (if Pb-free) Reviewed to 235 SVHCs (see below)
CMRT Conflict Mineral Status Rev 6.22 Next update May 2023 (see below)
EMRT Extended Mineral Status CRT Rev 2.2 (see below)
Termination Finish (if Pb-free) e3 - Sn matt plated
Termination Finish (if Pb-bearing) 60/40
How to Specify Pb-Free Part number has LF suffix
ECCN EAR99
Packing Bulk / box
Quantity 1000
Nett Weight Each -
Reflow Process Not applicable
MSL Not applicable
Wave Process Compatible, 260+-5 deg. C, 1 or 2 x 5+-1 seconds contact time
Shelf-life None defined, but solderability test prior to use is recommended after two years from date of manufacture
Launch Date Pre-2000
Lifecycle Obsolete
EOL Date / YTEOL Estimate EOL in Sep 2020
Latest PCN Date 01 Jun 20
Alternative Part Number
  • NT7A55
  • WHS7

Resources & Technical Documents

  • All (14)
  • Brochure (0)
  • 3D Model (0)
  • Case Study (0)
  • Technical Bulletin (0)
  • Video (0)
  • Policy & Regulations (0)
  • Terms & Conditions (0)
  • White Paper (0)
  • End Of Life (0)
  • Datasheet (1)
  • Application Note (5)
  • Compliance (7)
  • Product Change Notification (1)
Datasheet T
Application Note TN001 Advice on Storage Conditions for Fixed Resistors
Application Note TN002 Instant Access to RoHS REACH Conflict Mineral and other Compliance Data Online
Application Note TN003 Methods for Coding Resistor Values in Part Numbers
Application Note TN005 EIA Standard Values for Resistors
Application Note TN007 Instant Access to Life Cycle and Obsolete Product Data Online
Compliance RoHS T WW
Compliance REACH Statement Dallas
Compliance CMRT Conflict Mineral Dallas
Compliance EMRT Extended Mineral Dallas
Compliance Proposition 65 Declaration Dallas
Compliance TSCA Statement Dallas
Compliance Tin Whisker Report
Product Change Notification PCNs for T