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CRL0805-FW-R060ELF Equivalent & Substitute Parts
Part Overview
The CRL0805-FW-R060ELF is a 60 mOhms ±1% thick film chip resistor in 0805 (2012 Metric) package rated for 0.25W power dissipation. Manufactured by Bourns Inc., this component is classified as obsolete. Due to its obsolete status and limited availability from the original manufacturer, identifying equivalent substitute parts from active manufacturers is necessary to ensure design continuity and supply chain reliability for new production runs and long-term projects.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 60 mOhms |
| Tolerance | ±1% |
| Power Rating | 0.25W (1/4W) |
| Package | 0805 (2012 Metric) |
| Composition | Thick Film |
| Temperature Coefficient | ±200ppm/°C |
| Operating Temperature Range | -55°C ~ 125°C |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitute parts for the CRL0805-FW-R060ELF are qualified based on the following electrical and mechanical parameters:
- Resistance Value: 60 mOhms (exact match required)
- Tolerance: ±1% (exact match required)
- Power Rating: 0.25W minimum (0.25W acceptable)
- Package Type: 0805 (2012 Metric) (exact match required)
- Composition: Thick Film (exact match required)
- Temperature Coefficient: ±200ppm/°C (exact match required)
- Operating Temperature Range: Minimum -55°C ~ 125°C (extended range acceptable)
- RoHS Compliance: ROHS3 Compliant (required)
- Moisture Sensitivity: MSL 1 (required)
The substitute parts CSR0805FK60L0 and CSR0805FT60L0, both manufactured by Stackpole Electronics Inc., meet all critical electrical and mechanical parameters. Both are active products with current manufacturing status, providing superior supply chain availability compared to the obsolete CRL0805-FW-R060ELF.
Parameter Comparison
| Parameter | CRL0805-FW-R060ELF (Bourns) | CSR0805FK60L0 (Stackpole) | CSR0805FT60L0 (Stackpole) |
|---|---|---|---|
| Resistance | 60 mOhms | 60 mOhms | 60 mOhms |
| Tolerance | ±1% | ±1% | ±1% |
| Power Rating | 0.25W | 0.25W | 0.25W |
| Package | 0805 (2012 Metric) | 0805 (2012 Metric) | 0805 (2012 Metric) |
| Composition | Thick Film | Thick Film | Thick Film |
| Temperature Coefficient | ±200ppm/°C | ±200ppm/°C | ±200ppm/°C |
| Operating Temperature Range | -55°C ~ 125°C | -55°C ~ 155°C | -55°C ~ 155°C |
| Size / Dimension | 0.079" L x 0.049" W (2.00mm x 1.25mm) | 0.079" L x 0.049" W (2.00mm x 1.25mm) | 0.079" L x 0.049" W (2.00mm x 1.25mm) |
| Height - Seated (Max) | 0.024" (0.60mm) | 0.026" (0.65mm) | 0.026" (0.65mm) |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
| Product Status | Obsolete | Active | Active |
Engineering Selection Recommendations
Both CSR0805FK60L0 and CSR0805FT60L0 are direct functional equivalents to the CRL0805-FW-R060ELF. Selection between these two Stackpole alternatives should be based on packaging requirements and inventory availability:
CSR0805FK60L0: Available in Tape & Reel (TR) packaging with 1060 pieces in stock. Suitable for automated assembly processes.
CSR0805FT60L0: Available in Tape & Reel (TR) packaging with 893 pieces in stock. Suitable for automated assembly processes.
Both substitute parts feature extended operating temperature range (-55°C ~ 155°C) compared to the original part (-55°C ~ 125°C), providing additional thermal margin. Both maintain ROHS3 compliance and MSL 1 rating. The maximum seated height difference (0.026" vs 0.024") is within typical PCB design tolerances for 0805 components and does not impact board-level compatibility.
Frequently Asked Questions (FAQ)
Q: Can CSR0805FK60L0 and CSR0805FT60L0 be used interchangeably with CRL0805-FW-R060ELF?
A: Yes. Both Stackpole parts meet all critical electrical parameters (60 mOhms ±1%, 0.25W, ±200ppm/°C) and mechanical specifications (0805 package, identical footprint dimensions). They are direct functional substitutes.
Q: What is the difference between CSR0805FK60L0 and CSR0805FT60L0?
A: Both parts are electrically and mechanically identical. The difference lies in the part number suffix, which typically indicates different manufacturing process or tape configuration. Both are available in Tape & Reel packaging and are suitable for automated assembly.
Q: Does the 0.002" (0.05mm) height difference affect PCB design?
A: No. The maximum seated height difference between the original part (0.024") and substitute parts (0.026") is negligible for 0805 chip resistor applications and falls within standard PCB design tolerances.
Q: Are the substitute parts RoHS compliant?
A: Yes. Both CSR0805FK60L0 and CSR0805FT60L0 are ROHS3 compliant with MSL 1 rating, matching the compliance profile of the original CRL0805-FW-R060ELF.
Q: Why is the operating temperature range extended on the substitute parts?
A: The Stackpole CSR series is rated to -55°C ~ 155°C, providing a wider operating window than the original Bourns CRL part. This extended range does not affect compatibility and offers additional thermal margin for demanding applications.
Q: What packaging options are available for the substitute parts?
A: Both CSR0805FK60L0 and CSR0805FT60L0 are supplied in Tape & Reel (TR) format, standard for automated PCB assembly processes.
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