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RACF164DFT75R0 Equivalent & Substitute Parts
Part Overview
The RACF164DFT75R0 is a 75 Ohm isolated 4-resistor network array in 1206 (3216 Metric) surface mount package manufactured by Stackpole Electronics Inc. This component is classified as Obsolete, making identification of suitable substitute parts essential for ongoing design support and procurement continuity. The part delivers 62.5mW power per element with ±1% tolerance and ±200ppm/°C temperature coefficient, qualified to AEC-Q200 automotive standards.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 75 Ohm |
| Tolerance | ±1% |
| Number of Resistors | 4 |
| Circuit Type | Isolated |
| Power Per Element | 62.5mW |
| Temperature Coefficient | ±200ppm/°C |
| Operating Temperature Range | -55°C to 155°C |
| Number of Pins | 8 |
| Package Type | 1206 (3216 Metric) |
| Mounting Type | Surface Mount |
| Grade | Automotive |
| Qualification | AEC-Q200 |
| RoHS Status | ROHS3 Compliant |
| MSL Rating | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility for the RACF164DFT75R0 is determined by the following critical parameters:
- Resistance value: 75 Ohm (exact match required)
- Tolerance: ±1% (exact match required)
- Number of resistors: 4 (exact match required)
- Circuit type: Isolated (exact match required)
- Temperature coefficient: ±200ppm/°C (exact match required)
- Operating temperature range: -55°C to 155°C (exact match required)
- Number of pins: 8 (exact match required)
- Package footprint: 1206 (3216 Metric) (exact match required)
- Mounting type: Surface Mount (exact match required)
- Automotive qualification: AEC-Q200 (exact match required)
- RoHS compliance: ROHS3 Compliant (exact match required)
The RAVF164DFT75R0 meets all critical substitution criteria. Differences in power per element (100mW vs. 62.5mW), terminal configuration (Convex vs. Concave), and height profile represent improvements or variations that do not preclude functional equivalence in applications designed for the original part.
Parameter Comparison
| Parameter | RACF164DFT75R0 (Main Part) | RAVF164DFT75R0 (Substitute) |
|---|---|---|
| Manufacturer | Stackpole Electronics Inc | Stackpole Electronics Inc |
| Resistance | 75 Ohm | 75 Ohm |
| Tolerance | ±1% | ±1% |
| Number of Resistors | 4 | 4 |
| Circuit Type | Isolated | Isolated |
| Power Per Element | 62.5mW | 100mW |
| Temperature Coefficient | ±200ppm/°C | ±200ppm/°C |
| Operating Temperature | -55°C to 155°C | -55°C to 155°C |
| Number of Pins | 8 | 8 |
| Package / Case | 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 0.063" W (3.20mm x 1.60mm) |
| Height - Seated (Max) | 0.030" (0.75mm) | 0.024" (0.60mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Grade | Automotive | Automotive |
| Qualification | AEC-Q200 | AEC-Q200 |
| Product Status | Obsolete | Active |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| MSL Rating | 1 (Unlimited) | 1 (Unlimited) |
| REACH Status | REACH Unaffected | REACH Unaffected |
Engineering Selection Recommendations
The RAVF164DFT75R0 is the direct substitute for the obsolete RACF164DFT75R0. Both parts are manufactured by Stackpole Electronics Inc and maintain identical electrical specifications across all critical parameters: 75 Ohm resistance, ±1% tolerance, 4-resistor isolated configuration, ±200ppm/°C temperature coefficient, and -55°C to 155°C operating range. Both components carry AEC-Q200 automotive qualification and ROHS3 compliance.
The RAVF164DFT75R0 offers enhanced power dissipation capability (100mW per element versus 62.5mW) and a reduced seated height (0.024" versus 0.030"), representing design improvements. The terminal configuration differs (Convex versus Concave), but both maintain identical footprint dimensions and long-side terminal orientation. The RAVF164DFT75R0 is currently in Active production status, ensuring long-term availability and supply chain continuity.
Frequently Asked Questions (FAQ)
Q: Can the RAVF164DFT75R0 directly replace the RACF164DFT75R0 in existing designs?
A: Yes. Both parts share identical electrical specifications, package footprint, pin count, and automotive qualification. The RAVF164DFT75R0 provides equivalent or superior performance across all functional parameters.
Q: What is the significance of the different power per element ratings?
A: The RAVF164DFT75R0 supports 100mW per element compared to 62.5mW in the RACF164DFT75R0. This represents increased thermal headroom and does not create compatibility issues in applications designed for the original part.
Q: How do the terminal configurations (Concave vs. Convex) affect PCB assembly?
A: Both configurations maintain the same 1206 (3216 Metric) footprint and long-side terminal orientation. The terminal profile difference does not affect PCB layout or reflow soldering processes.
Q: Why is the RACF164DFT75R0 marked as Obsolete?
A: The RACF164DFT75R0 has been discontinued by the manufacturer. The RAVF164DFT75R0 represents the active production equivalent with identical core specifications.
Q: Are both parts qualified for automotive applications?
A: Yes. Both the RACF164DFT75R0 and RAVF164DFT75R0 carry AEC-Q200 qualification and are suitable for automotive-grade applications.
Q: What is the MSL rating, and does it differ between these parts?
A: Both parts carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity limitations for storage or handling.
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