NJM2120D Equivalent & Substitute Parts Reference Guide

Part Overview

The NJM2120D, manufactured by Nisshinbo Micro Devices Inc., is a general-purpose dual operational amplifier categorized under Linear, Amplifiers. It features two amplifier circuits in an 8-DIP (0.300", 7.62mm) through-hole package. This model is currently listed as Obsolete. Identifying alternative models is essential to ensure continued product reliability, serviceability, and inventory management for designs dependent on the NJM2120D.

Key Parameters

Manufacturer Part Number	Manufacturer	Category	Package / Case	Supplier Device Package	Amplifier Type	Number of Circuits	Slew Rate	Gain Bandwidth Product	Current - Input Bias	Voltage - Input Offset	Current - Supply	Current - Output / Channel	Voltage - Supply Span (Min)	Voltage - Supply Span (Max)	Operating Temperature	Mounting Type	RoHS Status	REACH Status	ECCN	HTSUS
NJM2120D	Nisshinbo Micro Devices Inc.	Linear, Amplifiers	8-DIP (0.300", 7.62mm)	8-DIP	General Purpose	2	2.2V/µs	7 MHz	80 nA	800 µV	2.3mA	50 mA	5 V	36 V	-40°C ~ 85°C	Through Hole	RoHS Compliant	REACH Unaffected	EAR99	8542.33.0001

Substitute Part Grouping Explanation

Substitution is based strictly on matching the following allowed parameters for dual general-purpose operational amplifiers:

Amplifier Type: General Purpose
Number of Circuits: 2
Package / Case: 8-DIP (0.300", 7.62mm)
Mounting Type: Through Hole
Slew Rate
Gain Bandwidth Product
Supply Voltage Range
Operating Temperature Range
RoHS and REACH Compliance
ECCN, HTSUS Classification

All listed substitute parts meet the criteria for circuit type, package, mounting, supply voltage, and temperature range, as required for the NJM2120D category.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Amplifier Type	Number of Circuits	Slew Rate	Gain Bandwidth Product	Current - Input Bias	Voltage - Input Offset	Current - Supply	Current - Output / Channel	Voltage - Supply Span (Min)	Voltage - Supply Span (Max)	Operating Temperature	Mounting Type	Package / Case	RoHS Status	REACH Status	ECCN	HTSUS
NJM2120D	Nisshinbo Micro Devices Inc.	General Purpose	2	2.2V/µs	7 MHz	80 nA	800 µV	2.3mA	50 mA	5 V	36 V	-40°C ~ 85°C	Through Hole	8-DIP (0.300", 7.62mm)	RoHS Compliant	REACH Unaffected	EAR99	8542.33.0001
LM258P	Texas Instruments	General Purpose	2	0.3V/µs	700 kHz	20 nA	3 mV	500µA (x2 Channels)	40 mA	3 V	32 V	-25°C ~ 85°C (TA)	Through Hole	8-DIP (0.300", 7.62mm)	ROHS3 Compliant	REACH Unaffected	EAR99	8542.33.0001
OPA2227P	Texas Instruments	General Purpose	2	2.3V/µs	8 MHz	2.5 nA	5 µV	3.7mA (x2 Channels)	45 mA	5 V	36 V	-40°C ~ 85°C	Through Hole	8-DIP (0.300", 7.62mm)	ROHS3 Compliant	REACH Unaffected	EAR99	8542.33.0001
OPA2228P	Texas Instruments	General Purpose	2	11V/µs	33 MHz	2.5 nA	5 µV	3.7mA (x2 Channels)	45 mA	5 V	36 V	-40°C ~ 85°C	Through Hole	8-DIP (0.300", 7.62mm)	ROHS3 Compliant	REACH Unaffected	EAR99	8542.33.0001
OPA2228PA	Burr Brown	General Purpose	2	11V/µs	33 MHz	2.5 nA	10 µV	3.7mA (x2 Channels)	45 mA	5 V	36 V	-40°C ~ 85°C	Through Hole	8-DIP (0.300", 7.62mm)	ROHS3 Compliant	REACH Unaffected	EAR99	8542.33.0001

Engineering Selection Recommendations

All listed substitute operational amplifiers meet RoHS and REACH compliance requirements, with ECCN and HTSUS classifications matching the NJM2120D. Product status should be confirmed for each substitute before final selection, as some are marked as “Active” or “Last Time Buy.” The selection should prioritize substitutes with compatible product compliance and operational temperature ranges, as all provided substitutes support through-hole mounting and 8-DIP package format.

Frequently Asked Questions (FAQ)

Q1: What are the critical electrical parameters for substituting the NJM2120D?
A1: All substitute parts must match the amplifier type, number of circuits, slew rate, gain bandwidth product, current and voltage ratings, operating temperature range, and supply voltage specifications provided for the NJM2120D.

Q2: How important is package compatibility?
A2: Substitutes must be supplied in the 8-DIP (0.300", 7.62mm) through-hole package to maintain direct mechanical and PCB compatibility.

Q3: Are compliance certifications necessary for selection?
A3: Substitutes are required to meet RoHS and REACH compliance standards. ECCN and HTSUS classifications are applicable for regulatory and customs considerations.

Q4: Can substitute parts be used interchangeably without design changes?
A4: Substitutes matching all specified parameters and mechanical formats can be integrated without modification to the PCB footprint or mounting configuration.

Q5: What operating temperature ranges must substitutes support?
A5: Substitutes should provide an operating temperature range of at least -40°C to 85°C, in accordance with the NJM2120D specification.

Q6: Is inventory status considered when selecting a substitute?
A6: Inventory count is listed for reference but is not a primary criterion for technical substitution. Product status (Active, Last Time Buy, Obsolete) should be verified before selection.

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