NJU4053BD Equivalent & Substitute Parts

Part Overview

The NJU4053BD is a 3-circuit SPDT (Single Pole Double Throw) analog switch IC manufactured by Nisshinbo Micro Devices Inc. in a 16-DIP through-hole package. This component functions as a 2:1 multiplexer/demultiplexer with 160Ohm on-state resistance, designed for signal routing and switching applications across a 3V to 18V supply voltage range.

The NJU4053BD carries an obsolete product status. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support legacy system maintenance or redesign initiatives.

Key Parameters

Parameter	Value	Unit
Switch Circuit Type	SPDT	—
Multiplexer/Demultiplexer Configuration	2:1	—
Number of Circuits	3	—
On-State Resistance (Max)	160	Ohm
Channel-to-Channel Matching (ΔRon)	5	Ohm
Supply Voltage (Single)	3V ~ 18V	V
Switch Time (Ton, Toff) Max	500, 500	ns
Channel Capacitance (CS(off), CD(off))	5	pF
Leakage Current (IS(off)) Max	100	nA
Operating Temperature Range	-40°C ~ 85°C	°C
Package Type	16-DIP (0.300", 7.62mm)	—
Mounting Type	Through Hole	—

Substitute Part Grouping Explanation

Substitution of the NJU4053BD is determined by strict equivalence across the following critical parameters:

Functional Parameters:

Switch circuit configuration (SPDT)
Multiplexer/demultiplexer ratio (2:1)
Number of independent circuits (3)

Electrical Performance Parameters:

On-state resistance maximum (160Ohm)
Channel-to-channel resistance matching (5Ohm)
Supply voltage range (3V ~ 18V single supply)
Switch timing specifications (500ns maximum for both Ton and Toff)
Channel capacitance (5pF)
Leakage current specification (100nA maximum)
Operating temperature range (-40°C ~ 85°C)

Physical Parameters:

Package type (16-DIP with 0.300" / 7.62mm pitch)
Mounting technology (through-hole)

Substitute parts must match all functional, electrical, and physical parameters without deviation. Differences in product status, compliance certifications, or packaging format do not affect electrical substitutability but may impact procurement and regulatory requirements.

Parameter Comparison

Parameter	NJU4053BD (Main Part)	NJU4053BD# (Substitute)	Match Status
Manufacturer	Nisshinbo Micro Devices Inc.	Nisshinbo Micro Devices Inc.	Identical
Switch Circuit	SPDT	SPDT	Identical
Multiplexer/Demultiplexer Circuit	2:1	2:1	Identical
Number of Circuits	3	3	Identical
On-State Resistance (Max)	160Ohm	160Ohm	Identical
Channel-to-Channel Matching (ΔRon)	5Ohm	5Ohm	Identical
Supply Voltage (Single)	3V ~ 18V	3V ~ 18V	Identical
Switch Time (Ton, Toff) Max	500ns, 500ns	500ns, 500ns	Identical
Channel Capacitance	5pF	5pF	Identical
Leakage Current (IS(off)) Max	100nA	100nA	Identical
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	Identical
Package / Case	16-DIP (0.300", 7.62mm)	16-DIP (0.300", 7.62mm)	Identical
Mounting Type	Through Hole	Through Hole	Identical
Product Status	Obsolete	Active	Different
RoHS Status	RoHS non-compliant	RoHS Compliant	Different
Moisture Sensitivity Level	2 (1 Year)	1 (Unlimited)	Different

Engineering Selection Recommendations

The NJU4053BD# is a direct electrical equivalent to the NJU4053BD. All functional, electrical, and physical parameters are identical, confirming full substitutability for circuit-level applications.

Procurement Considerations:

The NJU4053BD# carries an Active product status, whereas the original NJU4053BD is Obsolete. This distinction is significant for long-term supply chain planning. The NJU4053BD# is the recommended selection for new designs, redesigns, or ongoing production requiring sustained component availability.

Compliance Considerations:

The NJU4053BD# is RoHS Compliant and carries REACH Unaffected status, whereas the original NJU4053BD is RoHS non-compliant. For applications subject to RoHS or REACH regulatory requirements, the NJU4053BD# is the appropriate choice.

Packaging and Storage:

The NJU4053BD# is supplied in Tube packaging with Moisture Sensitivity Level 1 (Unlimited shelf life), compared to the original part's MSL 2 (1 Year). This provides improved storage stability and reduced risk of moisture-related failures during extended inventory holding.

Both parts are manufactured by Nisshinbo Micro Devices Inc. and share identical ECCN (EAR99) and HTSUS (8542.39.0001) classifications.

Frequently Asked Questions (FAQ)

Q: Can the NJU4053BD# be used as a direct replacement for the NJU4053BD in existing designs?

A: Yes. The NJU4053BD# is electrically and mechanically identical to the NJU4053BD. All functional parameters, electrical specifications, and package dimensions match exactly. No circuit modifications are required.

Q: What is the difference between NJU4053BD and NJU4053BD#?

A: The primary differences are product status, compliance certifications, and packaging format. The NJU4053BD# is Active (versus Obsolete), RoHS Compliant (versus non-compliant), and supplied in Tube packaging with improved moisture sensitivity rating. Electrical performance is identical.

Q: Are there any compatibility issues with PCB layouts or footprints?

A: No. Both parts use the 16-DIP through-hole package with identical 0.300" (7.62mm) pitch. PCB layouts and footprints are fully compatible without modification.

Q: Why is the NJU4053BD marked as Obsolete?

A: The NJU4053BD has reached end-of-life status with the manufacturer. The NJU4053BD# represents the active production equivalent and is the recommended selection for all new and ongoing applications.

Q: Does the improved Moisture Sensitivity Level (MSL 1 vs MSL 2) affect circuit performance?

A: No. MSL ratings specify storage and handling requirements, not electrical performance. MSL 1 (Unlimited) provides superior shelf-life stability compared to MSL 2 (1 Year), reducing the risk of moisture-induced failures during storage and reducing inventory management complexity.

Q: Are both parts suitable for the full -40°C to 85°C operating temperature range?

A: Yes. Both the NJU4053BD and NJU4053BD# are rated for -40°C to 85°C operating temperature. No thermal performance differences exist between the two parts.

Q: What supply voltage range is supported?

A: Both parts operate with a single supply voltage range of 3V to 18V. No dual supply (V±) configuration is available for this product line.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message