LM4041DIDCKT Equivalent & Substitute Parts

Part Overview

The LM4041DIDCKT is a shunt voltage reference IC with adjustable output, manufactured by Texas Instruments in SC-70-5 surface mount packaging. This component provides a precision 1.233V adjustable reference with ±1% tolerance and 12 mA output current capability. The part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.

Key Parameters

Parameter	Value
Reference Type	Shunt
Output Type	Adjustable
Voltage - Output (Min/Fixed)	1.233V
Voltage - Output (Max)	10 V
Current - Output	12 mA
Tolerance	±1%
Temperature Coefficient	150ppm/°C
Noise - 10Hz to 10kHz	20µVrms
Current - Cathode	80 µA
Operating Temperature	-40°C ~ 85°C (TA)
Package / Case	5-TSSOP, SC-70-5, SOT-353
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the LM4041DIDCKT are classified into two categories based on electrical parameter compatibility:

MFR Recommended Substitutes maintain identical functional specifications with improved performance characteristics:

LM4041CIM7-ADJ/NOPB and LM4041CIM7X-ADJ/NOPB feature tighter tolerance (±0.5% vs ±1%), lower temperature coefficient (100ppm/°C vs 150ppm/°C), and reduced cathode current (65 µA vs 80 µA). These parts are active products suitable for direct replacement with enhanced accuracy.

Parametric Equivalents maintain the same tolerance and temperature coefficient as the main part:

LM4041DIDCKR, LM4041DIM7-ADJ/NOPB, and LM4041DIM7X-ADJ/NOPB share identical electrical specifications (±1% tolerance, 150ppm/°C temperature coefficient) with minor variations in cathode current (70-80 µA). These parts are active products with equivalent performance.

All substitute parts maintain the same reference type (shunt), output type (adjustable), voltage range (1.233V to 10V), output current (12 mA), noise specification (20µVrms), operating temperature range (-40°C to 85°C), and SC-70-5 package configuration.

Parameter Comparison

Part Number	Manufacturer	Status	Tolerance	Temp Coeff	Cathode Current	Packaging	RoHS
LM4041DIDCKT	Texas Instruments	Obsolete	±1%	150ppm/°C	80 µA	Tape & Reel (TR)	ROHS3
LM4041CIM7-ADJ/NOPB	National Semiconductor	Active	±0.5%	100ppm/°C	65 µA	Bulk	Not specified
LM4041CIM7X-ADJ/NOPB	Texas Instruments	Active	±0.5%	100ppm/°C	65 µA	Tape & Reel (TR)	ROHS3
LM4041DIDCKR	Texas Instruments	Active	±1%	150ppm/°C	80 µA	Tape & Reel (TR)	ROHS3
LM4041DIM7-ADJ/NOPB	Texas Instruments	Active	±1%	150ppm/°C	70 µA	Tape & Reel (TR)	ROHS3
LM4041DIM7X-ADJ/NOPB	Texas Instruments	Active	±1%	150ppm/°C	70 µA	Cut Tape (CT) & Digi-Reel®	ROHS3

Engineering Selection Recommendations

For applications requiring direct replacement of the obsolete LM4041DIDCKT, select from active product alternatives based on compliance and performance requirements:

For ROHS3 compliance with improved accuracy: LM4041CIM7X-ADJ/NOPB offers tighter tolerance (±0.5%), lower temperature coefficient (100ppm/°C), and ROHS3 certification in Tape & Reel packaging. This part is recommended for new designs and applications where enhanced precision is beneficial.

For ROHS3 compliance with equivalent specifications: LM4041DIDCKR provides identical electrical performance (±1% tolerance, 150ppm/°C temperature coefficient) to the obsolete part with active product status and ROHS3 compliance in Tape & Reel packaging.

For equivalent specifications with alternative packaging: LM4041DIM7-ADJ/NOPB and LM4041DIM7X-ADJ/NOPB maintain ±1% tolerance and 150ppm/°C temperature coefficient with active status and ROHS3 compliance. These parts differ only in packaging format (Tape & Reel vs Cut Tape & Digi-Reel).

All substitute parts maintain SC-70-5 package compatibility, identical voltage range (1.233V to 10V), and 12 mA output current specification.

Frequently Asked Questions (FAQ)

Q: Can LM4041CIM7X-ADJ/NOPB directly replace LM4041DIDCKT? A: Yes. Both parts share identical reference type (shunt), output type (adjustable), voltage range (1.233V to 10V), output current (12 mA), noise specification (20µVrms), operating temperature range (-40°C to 85°C), and SC-70-5 package. LM4041CIM7X-ADJ/NOPB offers improved tolerance (±0.5% vs ±1%) and lower temperature coefficient (100ppm/°C vs 150ppm/°C).

Q: What is the difference between LM4041DIDCKR and LM4041DIM7-ADJ/NOPB? A: Both parts are parametric equivalents with identical tolerance (±1%), temperature coefficient (150ppm/°C), and operating specifications. The primary difference is cathode current: LM4041DIDCKR draws 80 µA while LM4041DIM7-ADJ/NOPB draws 70 µA. Both are active products with ROHS3 compliance in Tape & Reel packaging.

Q: Are there packaging differences between substitute parts? A: Yes. LM4041CIM7-ADJ/NOPB is supplied in Bulk packaging. LM4041CIM7X-ADJ/NOPB, LM4041DIDCKR, and LM4041DIM7-ADJ/NOPB are supplied in Tape & Reel (TR) packaging. LM4041DIM7X-ADJ/NOPB is supplied in Cut Tape (CT) & Digi-Reel® packaging. All maintain SC-70-5 component package compatibility.

Q: Which substitute offers the best tolerance specification? A: LM4041CIM7-ADJ/NOPB and LM4041CIM7X-ADJ/NOPB both offer ±0.5% tolerance compared to ±1% for the main part and other parametric equivalents. These parts also feature lower temperature coefficient (100ppm/°C vs 150ppm/°C) and reduced cathode current (65 µA vs 80 µA).

Q: Are all substitute parts ROHS3 compliant? A: LM4041DIDCKR, LM4041CIM7X-ADJ/NOPB, LM4041DIM7-ADJ/NOPB, and LM4041DIM7X-ADJ/NOPB are ROHS3 compliant. LM4041CIM7-ADJ/NOPB RoHS status is not specified in the provided data.

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