RP164PJ124CS Equivalent & Substitute Parts Reference

Part Overview

The RP164PJ124CS is a 4-resistor isolated network array manufactured by Samsung Electro-Mechanics, featuring 120k Ohm resistance with ±5% tolerance in a 1206 (3216 Metric) surface mount package. This component is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing design support and procurement continuity. The part delivers 62.5mW power per element across four isolated resistor elements with ±200ppm/°C temperature coefficient stability.

Key Parameters

Parameter	Value	Significance for Substitution
Resistance Value	120k Ohm	Critical - must match exactly
Tolerance	±5%	Critical - determines circuit accuracy
Number of Resistors	4	Critical - defines array configuration
Circuit Type	Isolated	Critical - determines electrical isolation between elements
Package / Case	1206 (3216 Metric), Convex, Long Side Terminals	Critical - PCB footprint compatibility
Power Per Element	62.5mW	Important - thermal design consideration
Temperature Coefficient	±200ppm/°C	Important - temperature stability requirement
Operating Temperature Range	-55°C ~ 155°C	Important - environmental operating limits
Number of Pins	8	Critical - electrical connectivity
Mounting Type	Surface Mount	Critical - assembly process compatibility

Substitute Part Grouping Explanation

Substitution eligibility for the RP164PJ124CS is determined by strict alignment across the following critical parameters:

Mandatory Matching Parameters:

Resistance value: 120k Ohm
Tolerance: ±5%
Number of resistor elements: 4
Circuit type: Isolated configuration
Package designation: 1206 (3216 Metric) with convex, long side terminals
Pin count: 8
Mounting technology: Surface mount

Compatible Variation Parameters:

Power per element: Substitute may equal or exceed 62.5mW (higher power rating provides design margin)
Temperature coefficient: Must match ±200ppm/°C specification
Operating temperature range: Must encompass or match -55°C ~ 155°C
Physical dimensions: Must conform to 1206 package standard (0.126" L x 0.063" W / 3.20mm x 1.60mm)

The RAVF164DJT120K from Stackpole Electronics Inc qualifies as a direct substitute based on full alignment with all mandatory parameters and compatible variation in power rating (100mW vs. 62.5mW).

Parameter Comparison

Parameter	RP164PJ124CS (Samsung)	RAVF164DJT120K (Stackpole)	Match Status
Resistance (Ohms)	120k	120k	Exact Match
Tolerance	±5%	±5%	Exact Match
Number of Resistors	4	4	Exact Match
Circuit Type	Isolated	Isolated	Exact Match
Number of Pins	8	8	Exact Match
Package / Case	1206 (3216 Metric), Convex, Long Side Terminals	1206 (3216 Metric), Convex, Long Side Terminals	Exact Match
Size / Dimension	0.126" L x 0.063" W (3.20mm x 1.60mm)	0.126" L x 0.063" W (3.20mm x 1.60mm)	Exact Match
Height - Seated (Max)	0.024" (0.61mm)	0.024" (0.60mm)	Compatible
Power Per Element	62.5mW	100mW	Compatible (Higher Rating)
Temperature Coefficient	±200ppm/°C	±200ppm/°C	Exact Match
Operating Temperature	-55°C ~ 155°C	-55°C ~ 155°C	Exact Match
Mounting Type	Surface Mount	Surface Mount	Exact Match
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Exact Match
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	Exact Match
REACH Status	REACH Unaffected	REACH Unaffected	Exact Match
Product Status	Obsolete	Active	Substitute is Active

Engineering Selection Recommendations

Primary Substitute: RAVF164DJT120K

The RAVF164DJT120K from Stackpole Electronics Inc is the qualified equivalent for RP164PJ124CS replacement. Selection rationale:

Electrical Equivalence: All critical electrical parameters match exactly—120k Ohm resistance, ±5% tolerance, 4-element isolated configuration, ±200ppm/°C temperature coefficient, and -55°C ~ 155°C operating range.
Mechanical Compatibility: Package footprint, pin configuration, and physical dimensions are identical. Both components use 1206 (3216 Metric) convex, long side terminal configuration with 8-pin connectivity.
Product Status Advantage: RAVF164DJT120K maintains active production status, ensuring long-term availability and supply chain continuity compared to the obsolete RP164PJ124CS.
Power Rating Enhancement: The substitute provides 100mW per element versus 62.5mW in the original part, offering improved thermal margin without affecting circuit performance.
Compliance Alignment: Both components maintain ROHS3 compliance, REACH unaffected status, and MSL 1 (unlimited) moisture sensitivity rating, ensuring regulatory and environmental compatibility.
Automotive Qualification: RAVF164DJT120K carries AEC-Q200 automotive qualification, providing additional reliability assurance for applications requiring automotive-grade components.

Frequently Asked Questions (FAQ)

Q: Can RAVF164DJT120K be used as a direct replacement for RP164PJ124CS without PCB modification?

A: Yes. Both components share identical 1206 (3216 Metric) package specifications with convex, long side terminals and 8-pin configuration. PCB footprints are compatible without modification.

Q: What is the significance of the higher power rating (100mW vs. 62.5mW) in the substitute?

A: The higher power rating in RAVF164DJT120K provides additional thermal design margin. This does not alter circuit behavior but allows the component to dissipate more power without exceeding temperature limits. Existing circuit designs operate within the lower original specification and remain fully compatible.

Q: Are the temperature coefficients identical between both parts?

A: Yes. Both RP164PJ124CS and RAVF164DJT120K specify ±200ppm/°C temperature coefficient and operate across the identical -55°C ~ 155°C temperature range.

Q: Does the substitute meet the same compliance requirements?

A: Yes. RAVF164DJT120K maintains ROHS3 compliance, REACH unaffected status, and MSL 1 (unlimited) rating identical to the original part. The substitute additionally carries AEC-Q200 automotive qualification.

Q: Why is the original RP164PJ124CS listed as obsolete?

A: Product obsolescence reflects Samsung Electro-Mechanics' discontinuation of this specific model. RAVF164DJT120K from Stackpole Electronics Inc remains in active production, providing continuity for new designs and ongoing support.

Q: Are there any electrical performance differences between the two parts?

A: No. Both components deliver identical electrical performance across all critical parameters: 120k Ohm resistance, ±5% tolerance, isolated 4-element configuration, and ±200ppm/°C temperature stability.

Q: What packaging format is available for RAVF164DJT120K?

A: RAVF164DJT120K is supplied in Tape & Reel (TR) format, standard for high-volume surface mount assembly operations.

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