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RN60D1271FRE6 Equivalent & Substitute Parts
Part Overview
The RN60D1271FRE6 is a 1.27 kOhms ±1% metal film through-hole resistor rated at 0.25W (1/4W) in axial package configuration. Manufactured by Vishay Dale under the military-grade RN60 series per MIL-R-10509/1 specification, this component features flame retardant coating, moisture resistance, and safety-rated construction suitable for military and high-reliability applications. The part maintains active product status with 1120 units in current inventory. Substitute parts are identified to address packaging format availability or inventory constraints while maintaining identical electrical and mechanical specifications.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Resistance Value | 1.27 kOhms |
| Tolerance | ±1% |
| Power Rating | 0.25W (1/4W) |
| Composition | Metal Film |
| Temperature Coefficient | ±100ppm/°C |
| Operating Temperature Range | -65°C to 175°C |
| Package Type | Axial |
| Physical Dimensions | 0.145" Dia × 0.344" L (3.68mm × 8.74mm) |
| Series Classification | Military, MIL-R-10509/1, RN60 |
| Features | Flame Retardant Coating, Moisture Resistant, Safety Rated |
| Terminations | 2 |
Substitute Part Grouping Explanation
Substitution eligibility for the RN60D1271FRE6 is determined by strict equivalence across the following critical parameters:
- Resistance value: 1.27 kOhms
- Tolerance: ±1%
- Power rating: 0.25W (1/4W)
- Composition: Metal Film
- Temperature coefficient: ±100ppm/°C
- Operating temperature range: -65°C to 175°C
- Package configuration: Axial
- Physical dimensions: 0.145" Dia × 0.344" L
- Series compliance: MIL-R-10509/1, RN60 base product
The identified substitute part RN60D1271FB14 maintains complete electrical and mechanical equivalence to the primary part. The distinction between these parts is limited to packaging format: the main part is supplied in Tape & Reel (TR) configuration, while the substitute is supplied in Bulk packaging. Both parts are manufactured by Vishay Dale under identical military specifications and feature identical component characteristics.
Parameter Comparison
| Parameter | RN60D1271FRE6 (Main) | RN60D1271FB14 (Substitute) |
|---|---|---|
| Manufacturer | Vishay Dale | Vishay Dale |
| Resistance Value | 1.27 kOhms | 1.27 kOhms |
| Tolerance | ±1% | ±1% |
| Power Rating | 0.25W (1/4W) | 0.25W (1/4W) |
| Composition | Metal Film | Metal Film |
| Temperature Coefficient | ±100ppm/°C | ±100ppm/°C |
| Operating Temperature | -65°C to 175°C | -65°C to 175°C |
| Package Type | Axial | Axial |
| Physical Dimensions | 0.145" Dia × 0.344" L (3.68mm × 8.74mm) | 0.145" Dia × 0.344" L (3.68mm × 8.74mm) |
| Series | Military, MIL-R-10509/1, RN60 | Military, MIL-R-10509/1, RN60 |
| Features | Flame Retardant Coating, Moisture Resistant, Safety Rated | Flame Retardant Coating, Moisture Resistant, Safety Rated |
| Product Status | Active | Active |
| Packaging Format | Tape & Reel (TR) | Bulk |
| Current Inventory | 1120 Pcs | 779 Pcs |
| RoHS Status | RoHS non-compliant | RoHS non-compliant |
| REACH Status | REACH Affected | REACH Affected |
Engineering Selection Recommendations
Both the RN60D1271FRE6 and RN60D1271FB14 are active products manufactured by Vishay Dale with identical electrical performance and military-grade specifications. Selection between these parts should be based on packaging requirements and procurement constraints:
The RN60D1271FRE6 in Tape & Reel format is suitable for automated assembly processes and high-volume production environments where component feeding and placement automation are utilized.
The RN60D1271FB14 in Bulk packaging is appropriate for manual assembly, low-volume production, or applications where tape-and-reel packaging is not required.
Both parts maintain equivalent compliance status: RoHS non-compliant and REACH Affected. No electrical or thermal performance differentiation exists between these parts. Selection should be driven by assembly methodology and supply chain availability rather than technical performance criteria.
Frequently Asked Questions (FAQ)
Q: Are RN60D1271FRE6 and RN60D1271FB14 electrically identical?
A: Yes. Both parts are manufactured by Vishay Dale with identical resistance value (1.27 kOhms), tolerance (±1%), power rating (0.25W), temperature coefficient (±100ppm/°C), and operating temperature range (-65°C to 175°C). Electrical performance is equivalent.
Q: What is the only difference between these two parts?
A: The packaging format. RN60D1271FRE6 is supplied in Tape & Reel (TR) configuration, while RN60D1271FB14 is supplied in Bulk packaging. Physical component dimensions and specifications are identical.
Q: Can RN60D1271FB14 be used in place of RN60D1271FRE6?
A: Yes, provided the assembly process accommodates Bulk packaging. The component itself is electrically and mechanically equivalent. Substitution feasibility depends on whether your assembly line can handle loose components versus tape-and-reel format.
Q: Are both parts military-grade?
A: Yes. Both parts comply with MIL-R-10509/1 specification and are classified as military-grade components in the RN60 series. Both feature flame retardant coating, moisture resistance, and safety-rated construction.
Q: What are the compliance implications of using either part?
A: Both parts share identical compliance status: RoHS non-compliant and REACH Affected. No compliance advantage exists between the two parts. Compliance considerations should be evaluated at the system level rather than at the individual component level.
Q: Which part should I select for high-volume automated assembly?
A: The RN60D1271FRE6 in Tape & Reel format is optimized for automated pick-and-place equipment and high-volume production environments.
Q: Which part should I select for manual assembly or prototyping?
A: The RN60D1271FB14 in Bulk packaging is more practical for manual assembly, low-volume production, or prototype development where tape-and-reel feeding is not necessary.
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