Part identity

RTH42ES222J

Resistor Thermal

North Star Electronics

Avg quote: 14 minFulfilled from Anaheim, CAAS9120:2025 · ISO 9001 · FAA AC 00-56BC of C, lot & date code with every line

Part description

Resistor Thermal

ASAP supports this specific part for replacement, spare-pool replenishment, retrofit, and urgent maintenance requirements. Quote requests can include alternate MPN, condition preferences, certification needs, and plant-specific receiving instructions so procurement gets a clear sourcing response before purchase.

Specifications

MPN
RTH42ES222J
Item name
Resistor Thermal
Manufacturer code
0HFM2
Manufacturer
North Star Electronics

Certifications & documentation

  • UL Recognized
  • CE
  • C of C available on request
NS

Manufacturer

North Star Electronics

Authorized-distributor or qualified-aftermarket source. Parts shipped from this manufacturer include full traceability paperwork and counterfeit-mitigation per SAE AS6081.

View manufacturer profile →

NSN Information for Part Number RTH42ES222J with NSN 5905-01-049-5831, 5905010495831

NSNFSCNIINCLSHazmatDEMILCancelled NSN
5905010495831

Item Description:

Resistor Thermal

59050104958310NB
CIICHCCESDPMICCriticalityENAC
UBU
Part NumberISCRNVCRNCCHCCMSDSSADC
Rth42es222j222

Characteristics Data of NSN 5905-01-049-5831, 5905010495831

MRCCriteriaCharacteristic
AARGRELIABILITY INDICATORNOT ESTABLISHED
ABJTTERMINAL LENGTH1.200 INCHES MINIMUM
ADAQBODY LENGTH0.285 INCHES NOMINAL
ADARBODY OUTSIDE DIAMETER0.100 INCHES NOMINAL
AEBTTERMINAL DIAMETER0.020 INCHES NOMINAL
AEHXMAXIMUM POWER DISSIPATION RATING250.00 MILLIWATTS
AEHYAMBIENT TEMP AT FULL RATED POWER25.0 DEG CELSIUS
AEHZMAXIMUM OPERATING TEMP125.0 DEG CELSIUS
AEJATHERMAL TIME CONSTANT IN SECONDS60.0
AEJBPOWER DISSIPATION CONSTANT IN MILLIWATTS PER DEG CELSIUS2.5
AEJCZERO POWER TEMP COEFFICIENT OF RESISTANCE IN PERCENT PER DEG CELSIUS0.55
AEJDTEMP POINTS FOR RESISTANCE READINGS AT ZERO POWER-15.0 DEG CELSIUS 2ND RESISTANCE-TEMPERATURE POINT
AEJDTEMP POINTS FOR RESISTANCE READINGS AT ZERO POWER-55.0 DEG CELSIUS 1ST RESISTANCE-TEMPERATURE POINT
AEJDTEMP POINTS FOR RESISTANCE READINGS AT ZERO POWER100.0 DEG CELSIUS 5TH RESISTANCE-TEMPERATURE POINT
AEJDTEMP POINTS FOR RESISTANCE READINGS AT ZERO POWER125.0 DEG CELSIUS 6TH RESISTANCE-TEMPERATURE POINT
AEJDTEMP POINTS FOR RESISTANCE READINGS AT ZERO POWER50.0 DEG CELSIUS 3RD RESISTANCE-TEMPERATURE POINT
AEJDTEMP POINTS FOR RESISTANCE READINGS AT ZERO POWER75.0 DEG CELSIUS 4TH RESISTANCE-TEMPERATURE POINT
AEJEZERO POWER RESISTANCE AT SPECIFIED TEMP1.1 KILOHMS 1ST RESISTANCE-TEMPERATURE POINT
AEJEZERO POWER RESISTANCE AT SPECIFIED TEMP1.6 KILOHMS 2ND RESISTANCE-TEMPERATURE POINT
AEJEZERO POWER RESISTANCE AT SPECIFIED TEMP2.7 KILOHMS 3RD RESISTANCE-TEMPERATURE POINT
AEJEZERO POWER RESISTANCE AT SPECIFIED TEMP3.2 KILOHMS 4TH RESISTANCE-TEMPERATURE POINT
AEJEZERO POWER RESISTANCE AT SPECIFIED TEMP3.7 KILOHMS 5TH RESISTANCE-TEMPERATURE POINT
AEJEZERO POWER RESISTANCE AT SPECIFIED TEMP4.3 KILOHMS 6TH RESISTANCE-TEMPERATURE POINT
AEJFRESISTANCE TOLERANCE AT A SPECIFIED TEMP IN PERCENT-12.0/+12.0 5TH RESISTANCE-TEMPERATURE POINT
AEJFRESISTANCE TOLERANCE AT A SPECIFIED TEMP IN PERCENT-15.0/+15.0 1ST RESISTANCE-TEMPERATURE POINT
AEJFRESISTANCE TOLERANCE AT A SPECIFIED TEMP IN PERCENT-15.0/+15.0 6TH RESISTANCE-TEMPERATURE POINT
AEJFRESISTANCE TOLERANCE AT A SPECIFIED TEMP IN PERCENT-7.0/+7.0 3RD RESISTANCE-TEMPERATURE POINT
AEJFRESISTANCE TOLERANCE AT A SPECIFIED TEMP IN PERCENT-9.0/+9.0 2ND RESISTANCE-TEMPERATURE POINT
AEJFRESISTANCE TOLERANCE AT A SPECIFIED TEMP IN PERCENT-9.0/+9.0 4TH RESISTANCE-TEMPERATURE POINT
AKNAINCLOSURE TYPEENCAPSULATED
CQWDIII ZERO POWER RESISTANCE2.200 KILOHMS
CRQJZERO POWER RESISTANCE TOLERANCE IN PERCENT AT REFERENCE TEMP-5.0/+5.0
CTGTREFERENCE TEMP IN DEG CELSIUS25.0
STYLSTYLE DESIGNATORROD
TESTTEST DATA DOCUMENT81349-MIL-T-23648 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTI
TTQYTERMINAL TYPE AND QUANTITY2 WIRE LEAD
Integrated Electromechanicals

Industrial automation, control, and electromechanical components. Over 2 billion parts across 5,100+ manufacturers. Quotes back in 15 minutes, 24/7 — fulfilled from Anaheim, California.

Certifications

  • AS9120:2025
  • ISO 9001:2015
  • FAA AC 00-56B
Share feedback

Proud supporter of the Intrepid Fallen Heroes Fund, advancing mental-health treatment and research for U.S. service members and veterans.

USA fulfillment. Every order shipped from our Anaheim, California operations. Counterfeit-mitigation aligned to SAE AS5553 / AS6081.

Official logos
  • NBA
  • ASA
  • AS9120:2025
Payment acceptedVisaMastercardDiscoverAmerican Express

© 2026 Integrated Electromechanicals. All rights reserved.

Owned and operated as a wholly-owned subsidiary of ASAP Semiconductor LLC. Export-controlled items handled in accordance with ITAR and EAR regulations.