Equivalent & Substitute Parts for ERJ-1TNF2002U

Part Overview

The ERJ-1TNF2002U is a 20 kOhms ±1% 1W thick film chip resistor in 2512 (6432 Metric) package manufactured by Panasonic Electronic Components. This part is rated for automotive applications under AEC-Q200 and operates across -55°C to 155°C. The product status is Not For New Designs, making equivalent substitutes necessary for ongoing production and new design implementations. Substitute parts must maintain identical electrical specifications (20 kOhms resistance, ±1% tolerance, 1W power rating) and mechanical compatibility (2512 package, AEC-Q200 rating) while offering active product status or enhanced features.

Substiute Parts

ERJ-1TNF2002U

Panasonic Electronic ComponentsIn Stock: 9598ERJ-1TNF2002U Datasheet

Current PartRFQ

ERJ-S1TF2002U

Panasonic Electronic ComponentsIn Stock: 860ERJ-S1TF2002U Datasheet

UpgradeRFQ

352120KFT

TE Connectivity Passive ProductIn Stock: 9756352120KFT Datasheet

DirectRFQ

CRCW251220K0FKEG

Vishay DaleIn Stock: 18396CRCW251220K0FKEG Datasheet

DirectRFQ

CRCW251220K0FKEH

Vishay DaleIn Stock: 1042CRCW251220K0FKEH Datasheet

DirectRFQ

CRCW251220K0FKTG

Vishay DaleIn Stock: 1143CRCW251220K0FKTG Datasheet

DirectRFQ

RMCF2512FT20K0

Stackpole Electronics IncIn Stock: 6638RMCF2512FT20K0 Datasheet

DirectRFQ

AC2512FK-0720KL

YAGEOIn Stock: 8410AC2512FK-0720KL Datasheet

UpgradeRFQ

CRCW251220K0FKEGHP

Vishay DaleIn Stock: 3678CRCW251220K0FKEGHP Datasheet

UpgradeRFQ

CRM2512-FX-2002ELF

Bourns Inc.In Stock: 836CRM2512-FX-2002ELF Datasheet

SimilarRFQ

RC2512FK-0720KL

YAGEOIn Stock: 4594RC2512FK-0720KL Datasheet

SimilarRFQ

RC6432F203CS

Samsung Electro-MechanicsIn Stock: 660RC6432F203CS Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the ERJ-1TNF2002U are classified into three categories based on electrical and mechanical compatibility:

Direct Equivalents (1W, 20 kOhms, ±1%, 2512 Package): Parts that match all critical electrical parameters and package specifications. These include CRCW251220K0FKEG, CRCW251220K0FKEH, CRCW251220K0FKTG, RMCF2512FT20K0, AC2512FK-0720KL, and RC2512FK-0720KL. All maintain AEC-Q200 automotive qualification and operate within the same temperature range.

Upgrade Options (Enhanced Features): ERJ-S1TF2002U offers anti-sulfur protection while maintaining 1W rating and identical electrical specifications. CRCW251220K0FKEGHP provides pulse withstanding capability at 1.5W power rating, offering increased margin for transient conditions while preserving the 20 kOhms ±1% specification.

Higher Power Alternatives (2W Rating): 352120KFT (TE Connectivity) and CRM2512-FX-2002ELF (Bourns) provide 2W power rating with identical resistance and tolerance. These are suitable when circuit design permits higher power dissipation capability.

Substitution is determined by three key parameters: resistance value (20 kOhms), tolerance (±1%), and package type (2512). Power rating, features (anti-sulfur, pulse withstanding, moisture resistant, current sense), and manufacturer are secondary selection criteria based on application requirements.

Parameter Comparison

Engineering Selection Recommendations

For direct replacement in existing designs, select from active-status parts with identical 1W power rating and AEC-Q200 qualification: CRCW251220K0FKEG, CRCW251220K0FKEH, CRCW251220K0FKTG, RMCF2512FT20K0, AC2512FK-0720KL, or RC2512FK-0720KL. All maintain ROHS3 compliance and MSL 1 rating.

For new automotive designs transitioning from ERJ-1TNF2002U, ERJ-S1TF2002U (Panasonic upgrade) provides continuity within the same manufacturer ecosystem while adding anti-sulfur protection and active product status.

When circuit design permits increased power dissipation margin, CRCW251220K0FKEGHP (1.5W with pulse withstanding) or 352120KFT (2W) provide enhanced reliability for transient-heavy applications while maintaining AEC-Q200 qualification.

For moisture-sensitive environments, AC2512FK-0720KL or RC2512FK-0720KL offer moisture-resistant construction with identical electrical specifications.

CRM2512-FX-2002ELF is suitable only for current-sense applications requiring its specialized design; it is not a general-purpose substitute.

Frequently Asked Questions (FAQ)

Q: Can CRCW251220K0FKEGHP (1.5W) replace ERJ-1TNF2002U (1W) directly?

A: Yes. The 1.5W rating provides additional power dissipation capability without affecting electrical performance. The 20 kOhms ±1% specification, 2512 package, and AEC-Q200 rating remain identical. Use this part when circuit design benefits from increased thermal margin.

Q: What is the difference between CRCW251220K0FKEG and CRCW251220K0FKEH?

A: Both are Vishay Dale CRCW series 20 kOhms ±1% 1W resistors in 2512 package. CRCW251220K0FKEG is supplied in Cut Tape & Digi-Reel packaging, while CRCW251220K0FKEH is supplied in Tape & Reel. Electrical specifications are identical; packaging format differs based on assembly line requirements.

Q: Why is CRM2512-FX-2002ELF listed as a similar part rather than a direct equivalent?

A: CRM2512-FX-2002ELF is designed specifically for current-sense applications and carries a 2W power rating. While it maintains 20 kOhms ±1% specification and 2512 package, its specialized design makes it unsuitable as a general-purpose substitute unless current-sense functionality is required.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, matching the original ERJ-1TNF2002U specifications.

Q: Can I use 352120KFT (TE Connectivity, 2W) in place of ERJ-1TNF2002U (1W)?

A: Yes. The 2W rating provides increased power dissipation capability. Electrical specifications (20 kOhms ±1% tolerance) and package (2512) are identical. AEC-Q200 automotive qualification is maintained. This substitution is valid when circuit design permits or benefits from higher power rating.

Q: What is the advantage of AC2512FK-0720KL over standard alternatives?

A: AC2512FK-0720KL adds moisture-resistant construction to the standard 20 kOhms ±1% 1W specification. Select this part for applications exposed to high humidity or condensation environments while maintaining identical electrical performance and AEC-Q200 rating.

Q: Is ERJ-S1TF2002U recommended for new designs?

A: Yes. ERJ-S1TF2002U carries Active product status and adds anti-sulfur protection compared to the original ERJ-1TNF2002U (Not For New Designs). It maintains identical electrical specifications and is the preferred Panasonic option for new automotive designs.