HT2DC20S20/F,122 RFID Tag Read/Write Equivalent & Substitute Parts

Part Overview

The HT2DC20S20/F,122 is a passive RFID tag operating at 125kHz with 256-bit user-writable memory, compliant with ISO 11784 and ISO 11785 standards. This component is classified as obsolete, making identification of active equivalent parts essential for ongoing design support and procurement continuity. The substitute part maintains functional and electrical compatibility while offering improved availability through active product status.

Substiute Parts

HT2DC20S20/F,122
NXP USA Inc.In Stock: 960HT2DC20S20/F,122 Datasheet
HT2DC20S20/F,122
Current Part
HT2DC20S20/F/RSP
NXP SemiconductorsIn Stock: 18156HT2DC20S20/F/RSP Datasheet
HT2DC20S20/F/RSP
Direct

Key Parameters

Parameter Value
Frequency 125kHz
Memory Type Read/Write
Writable Memory 256b (User)
Standards Compliance ISO 11784, ISO 11785
Operating Temperature Range -40°C ~ 85°C
Physical Dimensions 0.469" L x 0.232" W (11.90mm x 5.90mm)
Style Encapsulated
Technology Passive
RoHS Status ROHS3 Compliant

Substitute Part Grouping Explanation

The HT2DC20S20/F/RSP qualifies as a direct substitute based on the following critical parameters:

  • Frequency Match: Both parts operate at 125kHz
  • Memory Configuration: Identical 256-bit user-writable memory capacity
  • Standards Compliance: Both comply with ISO 11784 and ISO 11785
  • Operating Temperature: Identical range of -40°C ~ 85°C
  • Physical Dimensions: Identical encapsulated form factor (11.90mm x 5.90mm)
  • Technology: Both are passive RFID tags
  • Environmental Compliance: Both are ROHS3 compliant and REACH unaffected

The primary distinction is product status: HT2DC20S20/F,122 is obsolete, while HT2DC20S20/F/RSP is active with significantly higher inventory availability (18,062 units vs. 936 units).

Parameter Comparison

Parameter HT2DC20S20/F,122 HT2DC20S20/F/RSP
Manufacturer NXP USA Inc. NXP Semiconductors
Product Status Obsolete Active
Frequency 125kHz 125kHz
Memory Type Read/Write Read/Write
Writable Memory 256b (User) 256b (User)
Standards ISO 11784, ISO 11785 ISO 11784, ISO 11785
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C
Dimensions 11.90mm x 5.90mm 11.90mm x 5.90mm
Style Encapsulated Encapsulated
Technology Passive Passive
RoHS Status ROHS3 Compliant ROHS3 Compliant
REACH Status REACH Unaffected REACH Unaffected
Packaging - Bulk
Inventory Status 936 Pcs New Original 18,062 Pcs New Original

Engineering Selection Recommendations

The HT2DC20S20/F/RSP is the appropriate selection for new designs and procurement activities. This part maintains full electrical and mechanical compatibility with the obsolete HT2DC20S20/F,122 while offering the following advantages:

  • Active product status ensures long-term availability and manufacturer support
  • Substantially higher inventory levels (18,062 units) provide supply chain stability
  • Identical compliance certifications (ROHS3, REACH unaffected) maintain regulatory requirements
  • Equivalent ECCN classification (5A992C) supports export compliance continuity

Both parts are manufactured by NXP and share the same base product number (HT2DC2/HT2DC20), confirming direct functional equivalence.

Frequently Asked Questions (FAQ)

Q: Can HT2DC20S20/F/RSP be used as a direct replacement for HT2DC20S20/F,122?

A: Yes. Both parts share identical frequency (125kHz), memory configuration (256-bit user-writable), standards compliance (ISO 11784, ISO 11785), operating temperature range (-40°C ~ 85°C), and physical dimensions (11.90mm x 5.90mm). The substitute is functionally equivalent.

Q: What is the primary reason to transition from HT2DC20S20/F,122 to HT2DC20S20/F/RSP?

A: The HT2DC20S20/F,122 is classified as obsolete. The HT2DC20S20/F/RSP is an active product with significantly higher inventory availability, ensuring procurement continuity and manufacturer support.

Q: Are there any compliance differences between these parts?

A: Both parts are ROHS3 compliant and REACH unaffected. Both maintain equivalent environmental and regulatory certifications required for industrial RFID applications.

Q: Does packaging differ between these parts?

A: The HT2DC20S20/F,122 packaging is unspecified, while HT2DC20S20/F/RSP is supplied in bulk packaging. This does not affect functional compatibility.

Q: Are these parts suitable for the same operating temperature applications?

A: Yes. Both parts operate across the identical temperature range of -40°C to 85°C, supporting equivalent thermal performance in industrial and extended-temperature environments.

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