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CAT16-183J4LF Equivalent & Substitute Parts
Part Overview
The CAT16-183J4LF is an isolated 4-resistor network array manufactured by Bourns Inc., featuring 18kΩ resistors in a 1206 (3216 Metric) surface mount package. This component is designed for applications requiring matched resistor networks with controlled electrical characteristics. The part is currently in active production status with RoHS3 compliance and unlimited moisture sensitivity rating (MSL 1). Substitute parts are identified when equivalent electrical specifications, mechanical compatibility, and regulatory compliance are maintained across alternative manufacturers.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 18kΩ |
| Tolerance | ±5% |
| Number of Resistors | 4 |
| Circuit Type | Isolated |
| Power Per Element | 62.5mW |
| Temperature Coefficient | ±200ppm/°C |
| Number of Pins | 8 |
| Package Type | 1206 (3216 Metric), Concave, Long Side Terminals |
| Mounting Type | Surface Mount |
| Operating Temperature Range | -55°C ~ 125°C |
| RoHS Status | RoHS3 Compliant |
| MSL Rating | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility for the CAT16-183J4LF is determined by strict equivalence across the following parameters:
- Resistance value: 18kΩ
- Tolerance: ±5%
- Circuit configuration: Isolated 4-resistor network
- Power rating per element: 62.5mW
- Temperature coefficient: ±200ppm/°C
- Package: 1206 (3216 Metric) with concave, long side terminals
- Pin count: 8
- Mounting: Surface mount
- Regulatory compliance: RoHS3 compliant
The identified substitute parts maintain these core electrical and mechanical specifications, ensuring functional and physical compatibility in existing designs.
Parameter Comparison
| Parameter | CAT16-183J4LF (Bourns) | EXB-V8V183JV (Panasonic) | TC164-JR-0718KL (YAGEO) |
|---|---|---|---|
| Resistance | 18kΩ | 18kΩ | 18kΩ |
| 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), Concave, Long Side Terminals |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature Range | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 155°C |
| RoHS Status | RoHS3 Compliant | RoHS3 Compliant | RoHS3 Compliant |
| MSL Rating | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
| Product Status | Active | Active | Active |
Engineering Selection Recommendations
Both EXB-V8V183JV (Panasonic Electronic Components) and TC164-JR-0718KL (YAGEO) are qualified substitutes for the CAT16-183J4LF based on electrical and mechanical parameter equivalence. All three parts maintain active production status and RoHS3 compliance.
The TC164-JR-0718KL offers an extended operating temperature range of -55°C to 155°C compared to the -55°C to 125°C range of the CAT16-183J4LF and EXB-V8V183JV. This extended range provides additional thermal margin for applications operating at elevated temperatures. The TC164-JR-0718KL is qualified for automotive AEC-Q200 applications and DDRAM/SDRAM use cases.
Selection between substitutes should be based on application-specific requirements, supply chain availability, and cost considerations. All three parts are electrically and mechanically interchangeable within the specified parameter boundaries.
Frequently Asked Questions (FAQ)
Q: Can EXB-V8V183JV be used as a direct replacement for CAT16-183J4LF?
A: Yes. Both parts share identical electrical specifications (18kΩ, ±5% tolerance, 62.5mW per element, ±200ppm/°C temperature coefficient) and mechanical compatibility (1206 package, 8-pin isolated configuration, surface mount). Both are RoHS3 compliant with MSL 1 rating.
Q: What is the difference between TC164-JR-0718KL and the other substitutes?
A: The TC164-JR-0718KL maintains all core electrical and mechanical specifications but extends the operating temperature range to -55°C to 155°C, compared to -55°C to 125°C for the CAT16-183J4LF and EXB-V8V183JV. The TC164-JR-0718KL is also qualified for automotive AEC-Q200 applications.
Q: Are there any package or footprint differences between these parts?
A: All three parts use the 1206 (3216 Metric) package with concave, long side terminals. Minor dimensional variations exist: CAT16-183J4LF measures 0.126" L × 0.061" W with 0.024" maximum seated height, while EXB-V8V183JV and TC164-JR-0718KL measure 0.126" L × 0.063" W with 0.028" maximum seated height. These variations are within standard PCB design tolerances for 1206 components.
Q: Do all substitutes meet the same compliance standards?
A: Yes. All three parts are RoHS3 compliant, REACH unaffected, and carry MSL 1 (unlimited) moisture sensitivity ratings. All are classified under ECCN EAR99.
Q: Which substitute should I select for new designs?
A: Selection depends on application requirements. For standard operating temperatures up to 125°C, all three are equivalent. For applications requiring extended temperature operation or automotive qualification, TC164-JR-0718KL is the appropriate choice.
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