WK73R2JTTE162J Equivalent & Substitute Parts Reference

Part Overview

KOA Speer Electronics, Inc. WK73R2JTTE162J is a thick film automotive chip resistor with a 1.6 kOhm resistance, ±5% tolerance, and 1W power rating. The resistor is AEC-Q200 qualified and features a Wide 1812 (4532 Metric), 1218 package that is moisture resistant and RoHS3 compliant. This part is listed as "Not For New Designs," making it necessary to identify alternative models for current and future projects requiring ongoing supply chain reliability.

Substiute Parts

WK73R2JTTE162J

KOA Speer Electronics, Inc.In Stock: 1243WK73R2JTTE162J Datasheet

Current PartRFQ

WK73R2HTTE162J

KOA Speer Electronics, Inc.In Stock: 894WK73R2HTTE162J Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts are listed based on exact matches for resistance (1.6 kOhms), tolerance (±5%), power rating (1W), composition (Thick Film), automotive qualification (AEC-Q200), moisture resistance, temperature coefficient (±100ppm/°C), operating temperature range (-55°C ~ 155°C), RoHS and REACH compliance, as well as Moisture Sensitivity Level 1. The main package style is Wide 1812 (4532 Metric), 1218; the substitute part uses the Wide 2010 (5025 Metric), 1020 package. All comparisons use only provided parameters.

Key substitution parameters:

• Resistance
• Tolerance
• Power rating
• Composition
• Automotive AEC-Q200 qualification
• Moisture resistance
• Temperature coefficient
• Operating temperature range
• RoHS/REACH compliance
• Moisture Sensitivity Level (MSL)
• Package/case compatibility

Parameter Comparison

Engineering Selection Recommendations

WK73R2HTTE162J is an active device with the same electrical, mechanical, and environmental ratings as WK73R2JTTE162J, including AEC-Q200, RoHS3, and REACH compliance. The only variation is package size: the main part uses the Wide 1812 (4532 Metric), 1218 format; the substitute uses Wide 2010 (5025 Metric), 1020. Suitability must be determined based on package and footprint compatibility requirements for the specific application. All compliance parameters align as per the provided data.

Frequently Asked Questions (FAQ)

Q1: What are the main criteria for substituting WK73R2JTTE162J?
A1: Substitution is based on identical resistance, tolerance, power rating, composition, temperature coefficient, automotive qualification, moisture resistance, operating temperature, RoHS/REACH status, and Moisture Sensitivity Level. Package compatibility is also a key criterion.

Q2: Are the substitute and main part pin-for-pin compatible?
A2: Both are 2-termination chip resistors, but have different package/case dimensions: Wide 1812 (4532 Metric), 1218 vs. Wide 2010 (5025 Metric), 1020. Compatibility must be reviewed per the footprint.

Q3: Does the substitute part match automotive and environmental certifications?
A3: WK73R2HTTE162J meets AEC-Q200, RoHS3, and REACH requirements, as does the main part number.

Q4: Is there any difference in environmental performance or compliance?
A4: The provided parameters show no difference in environmental performance or compliance levels.

Q5: Can WK73R2HTTE162J be used in all applications where WK73R2JTTE162J was used?
A5: Electrical and environmental parameters are identical; only the package dimensions differ. System-level compatibility depends on package and PCB footprint constraints.

Q6: Why is WK73R2JTTE162J considered for replacement?
A6: The product status is "Not For New Designs," indicating supply continuity concerns for new projects.

Q7: Is Moisture Sensitivity Level and reliability maintained in the substitute part?
A7: Both parts are rated MSL 1 (Unlimited), supporting similar reliability.

Q8: Are further compliance checks required?
A8: All regulatory and automotive compliance fields match per provided data.