TC164-JR-073RL Equivalent & Substitute Parts

Part Overview

The TC164-JR-073RL is a 4-resistor isolated network array manufactured by YAGEO, featuring 3 Ohm resistance elements with ±5% tolerance and 62.5mW power per element 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 production continuity. Substitute parts must maintain identical electrical specifications and mechanical compatibility to ensure direct replacement capability.

Key Parameters

Parameter	Value
Resistance (Ohms)	3
Tolerance	±5%
Number of Resistors	4
Circuit Type	Isolated
Power Per Element	62.5mW
Temperature Coefficient	±200ppm/°C
Number of Pins	8
Package / Case	1206 (3216 Metric)
Operating Temperature Range	-55°C ~ 155°C
Mounting Type	Surface Mount
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the TC164-JR-073RL is determined by strict equivalence across the following critical parameters:

Resistance value: 3 Ohms
Tolerance: ±5%
Number of resistor elements: 4
Circuit configuration: Isolated
Power rating per element: 62.5mW
Temperature coefficient: ±200ppm/°C
Pin count: 8
Package type: 1206 (3216 Metric) surface mount
Moisture sensitivity: MSL 1

The identified substitute parts CAT16-3R0J4LF (Bourns Inc.) and EXB-38V3R0JV (Panasonic Electronic Components) meet all core electrical and mechanical requirements. Both parts maintain identical resistance, tolerance, element count, circuit isolation, power rating, and temperature coefficient specifications. Package dimensions remain within acceptable mechanical tolerances for direct PCB replacement.

Parameter Comparison

Parameter	TC164-JR-073RL (YAGEO)	CAT16-3R0J4LF (Bourns)	EXB-38V3R0JV (Panasonic)
Resistance (Ohms)	3	3	3
Tolerance	±5%	±5%	±5%
Number of Resistors	4	4	4
Circuit Type	Isolated	Isolated	Isolated
Power Per Element	62.5mW	62.5mW	62.5mW
Temperature Coefficient	±200ppm/°C	±200ppm/°C	±200ppm/°C
Number of Pins	8	8	8
Package / Case	1206 (3216 Metric), Concave, Long Side Terminals	1206 (3216 Metric), Concave, Long Side Terminals	1206 (3216 Metric), Convex, Long Side Terminals
Size / Dimension	0.126" L x 0.063" W (3.20mm x 1.60mm)	0.126" L x 0.061" W (3.20mm x 1.55mm)	0.126" L x 0.063" W (3.20mm x 1.60mm)
Height - Seated (Max)	0.028" (0.70mm)	0.024" (0.60mm)	0.024" (0.60mm)
Operating Temperature Range	-55°C ~ 155°C	-55°C ~ 125°C	-55°C ~ 125°C
Product Status	Obsolete	Active	Active
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

Both CAT16-3R0J4LF and EXB-38V3R0JV are active production parts suitable for replacing the obsolete TC164-JR-073RL. Selection between these alternatives depends on application-specific thermal requirements and mechanical constraints:

CAT16-3R0J4LF (Bourns Inc.) is RoHS3 compliant and maintains the concave terminal configuration of the original part. This option is preferred for applications where terminal geometry consistency is critical for PCB assembly processes.

EXB-38V3R0JV (Panasonic Electronic Components) is RoHS3 compliant and carries AEC-Q200 automotive qualification. This part features a convex terminal configuration and is suitable for automotive applications requiring formal qualification documentation.

Both parts operate within -55°C to 125°C, which covers the lower end of the original part's -55°C to 155°C range. Applications requiring operation above 125°C require design review to confirm thermal margin adequacy.

Frequently Asked Questions (FAQ)

Q: Can CAT16-3R0J4LF and EXB-38V3R0JV be used interchangeably with TC164-JR-073RL?

A: Both parts meet the core electrical specifications (3 Ohm, ±5%, 4-element isolated array, 62.5mW per element, ±200ppm/°C). Mechanical compatibility is confirmed for standard PCB assembly. Terminal geometry differs between parts (concave vs. convex), which may affect solder joint formation depending on PCB pad design and reflow profile. Verification with your assembly process is recommended if terminal geometry has not been previously evaluated.

Q: What is the impact of the reduced operating temperature range on the substitute parts?

A: The original TC164-JR-073RL operates to 155°C maximum, while both substitutes operate to 125°C maximum. If your application requires sustained operation above 125°C, the substitute parts are not suitable without design modification. Confirm your actual operating temperature requirement before selection.

Q: Are there compliance or qualification differences between the substitute parts?

A: CAT16-3R0J4LF carries RoHS3 compliance. EXB-38V3R0JV carries both RoHS3 compliance and AEC-Q200 automotive qualification. If your application requires automotive qualification documentation, EXB-38V3R0JV is the appropriate selection.

Q: What are the mechanical differences in package dimensions?

A: All three parts use 1206 (3216 Metric) packages with 0.126" length. Width varies slightly: TC164-JR-073RL and EXB-38V3R0JV are 0.063" (1.60mm), while CAT16-3R0J4LF is 0.061" (1.55mm). Height differs: TC164-JR-073RL is 0.028" (0.70mm), while both substitutes are 0.024" (0.60mm). These variations are within standard PCB assembly tolerances for 1206 packages.

Q: Which substitute part should I select for new designs?

A: For general applications, either part is acceptable based on electrical equivalence. For automotive applications, select EXB-38V3R0JV for AEC-Q200 qualification. For applications where terminal geometry consistency with legacy designs is important, select CAT16-3R0J4LF for concave terminal matching.

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