DLR1P1K-F Equivalent & Substitute Parts Reference

Part Overview

The DLR1P1K-F is a 0.1 µF film capacitor manufactured by Cornell Dubilier Electronics (CDE) with 10% tolerance and 100V DC rating. This component is classified as obsolete, indicating discontinued production. Equivalent and substitute parts are necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications utilizing this radial polyester film capacitor.

Key Parameters

Parameter	Value
Capacitance	0.1 µF
Tolerance	±10%
Voltage Rating (DC)	100V
Voltage Rating (AC)	63V
Dielectric Material	Polyester
Mounting Type	Through Hole
Package / Case	Radial
Lead Spacing	0.295" (7.50mm)
Operating Temperature Range	-40°C ~ 85°C
Termination	PC Pins
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the DLR1P1K-F is determined by the following critical parameters:

Primary Substitution Criteria:

Capacitance: 0.1 µF (exact match required)
Voltage Rating (DC): 100V minimum
Voltage Rating (AC): 63V minimum
Dielectric Material: Polyester
Mounting Type: Through Hole
Package / Case: Radial
Lead Spacing: 0.295" (7.50mm)
Termination: PC Pins

Tolerance Considerations:

Direct equivalents maintain ±10% tolerance
Upgraded substitutes offer ±5% tolerance with identical electrical performance

Dielectric Enhancement:

Original part uses standard polyester dielectric
Substitute parts utilize metallized polyester dielectric, providing improved performance characteristics while maintaining electrical compatibility

Temperature Range Enhancement:

Original part: -40°C ~ 85°C
Substitute parts: -55°C ~ 125°C (extended operating range)

Substitute parts are grouped into two categories: direct equivalents (matching tolerance) and upgrades (improved tolerance and temperature range). All substitute parts maintain identical capacitance, voltage ratings, lead spacing, and mounting configuration.

Parameter Comparison

Part Number	Manufacturer	Series	Capacitance	Tolerance	Voltage DC	Voltage AC	Dielectric	Temp Range	Size (mm)	Height (mm)	Lead Spacing	Status	Packaging
DLR1P1K-F	CDE	DLR	0.1 µF	±10%	100V	63V	Polyester	-40 to 85°C	12.00 x 6.50	12.50	7.50mm	Obsolete	Bulk
167104K100A-F	CDE	167	0.1 µF	±10%	100V	63V	Polyester, Metallized	-55 to 125°C	10.50 x 3.50	7.00	7.50mm	Active	Bulk
167104J100A-F	CDE	167	0.1 µF	±5%	100V	63V	Polyester, Metallized	-55 to 125°C	10.50 x 3.50	7.00	7.50mm	Active	Bulk
167104J250C-F	CDE	167	0.1 µF	±5%	250V	160V	Polyester, Metallized	-55 to 125°C	10.50 x 5.00	11.00	7.50mm	Active	Bulk
184104J100RAA-F	CDE	184	0.1 µF	±5%	100V	63V	Polyester, Metallized	-55 to 125°C	10.50 x 3.50	7.00	7.50mm	Active	Tape & Reel
184104J100RAB-F	CDE	184	0.1 µF	±5%	100V	63V	Polyester, Metallized	-55 to 125°C	10.50 x 3.50	7.00	7.50mm	Active	Tape & Reel
184104J100RBD-F	CDE	184	0.1 µF	±5%	100V	63V	Polyester, Metallized	-55 to 125°C	10.50 x 4.00	9.00	7.50mm	Active	Tape & Reel
184104J250RCA-F	CDE	184	0.1 µF	±5%	250V	160V	Polyester, Metallized	-55 to 125°C	10.50 x 5.00	11.00	7.50mm	Active	Tape & Reel
184104J250RCB-F	CDE	184	0.1 µF	±5%	250V	160V	Polyester, Metallized	-55 to 125°C	10.50 x 5.00	11.00	7.50mm	Active	Tape & Reel
184104K100RAA-F	CDE	184	0.1 µF	±10%	100V	63V	Polyester, Metallized	-55 to 125°C	10.50 x 3.50	7.00	7.50mm	Active	Tape & Reel
184104K100RAB-F	CDE	184	0.1 µF	±10%	100V	63V	Polyester, Metallized	-55 to 125°C	10.50 x 3.50	7.00	7.50mm	Active	Tape & Reel

Engineering Selection Recommendations

Direct Equivalent Selection (Matching Tolerance):

For applications requiring exact tolerance matching to the original DLR1P1K-F specification, select 167104K100A-F or 184104K100RAA-F / 184104K100RAB-F. These parts maintain ±10% tolerance while providing active product status and extended operating temperature range (-55°C to 125°C). The 167104K100A-F is available in bulk packaging, while 184104K100RAA-F and 184104K100RAB-F are supplied in Tape & Reel format for automated assembly.

Upgraded Selection (Improved Tolerance):

For applications where improved tolerance performance is beneficial, 167104J100A-F, 184104J100RAA-F, 184104J100RAB-F, and 184104J100RBD-F provide ±5% tolerance with identical electrical ratings and extended temperature range. These upgrades maintain full compatibility with the original DLR1P1K-F footprint and lead spacing.

Higher Voltage Rating Selection:

Applications requiring elevated voltage performance utilize 167104J250C-F, 184104J250RCA-F, or 184104J250RCB-F, rated at 250V DC / 160V AC. These parts maintain 0.1 µF capacitance and ±5% tolerance while accommodating higher voltage stress conditions.

Packaging Considerations:

Bulk packaging (167 series): Suitable for manual assembly and low-volume production
Tape & Reel packaging (184 series): Optimized for automated pick-and-place assembly and high-volume manufacturing

All substitute parts are ROHS3 compliant and REACH unaffected, maintaining regulatory compliance with the original component.

Frequently Asked Questions (FAQ)

Q: Can 167104K100A-F directly replace DLR1P1K-F in existing designs?

A: Yes. The 167104K100A-F maintains identical capacitance (0.1 µF), tolerance (±10%), voltage ratings (100V DC / 63V AC), lead spacing (7.50mm), and radial through-hole mounting. The primary differences are reduced physical dimensions and metallized polyester dielectric, which enhance performance without affecting electrical compatibility.

Q: What is the difference between ±10% and ±5% tolerance parts?

A: Tolerance defines the allowable deviation from the nominal capacitance value. ±10% tolerance permits capacitance variation between 0.09 µF and 0.11 µF. ±5% tolerance restricts variation to 0.095 µF and 0.105 µF. Applications requiring tighter capacitance control should specify ±5% parts (167104J100A-F or 184104J100RAA-F series).

Q: Why do substitute parts have extended temperature ranges (-55°C to 125°C vs. -40°C to 85°C)?

A: Substitute parts utilize metallized polyester dielectric technology with improved thermal stability. Extended temperature range reflects enhanced material performance and does not affect compatibility with designs specified for the original -40°C to 85°C range.

Q: Are Tape & Reel packaged parts electrically identical to bulk packaged parts?

A: Yes. Tape & Reel (184 series) and bulk (167 series) packaging formats contain electrically identical components. Packaging selection depends on assembly methodology: bulk for manual assembly, Tape & Reel for automated production lines.

Q: Can 250V rated parts (167104J250C-F, 184104J250RCA-F) substitute for 100V rated DLR1P1K-F?

A: Yes, with design consideration. Higher voltage-rated capacitors are electrically compatible with lower voltage applications. However, physical dimensions differ (11.00mm height vs. 12.50mm original), requiring PCB layout verification. Use 250V parts only when elevated voltage performance is required or when physical size increase is acceptable.

Q: What is the significance of metallized polyester dielectric in substitute parts?

A: Metallized polyester provides improved electrical characteristics including lower equivalent series resistance (ESR) and enhanced frequency response compared to standard polyester. This enhancement maintains full backward compatibility while offering superior performance in the same footprint.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts carry ROHS3 compliance certification, matching the regulatory status of the original DLR1P1K-F component.

Q: Which substitute part offers the best overall compatibility for direct replacement?

A: 167104K100A-F provides optimal direct replacement characteristics: identical tolerance (±10%), matching voltage ratings, active product status, and compact dimensions. For automated assembly environments, 184104K100RAA-F or 184104K100RAB-F offer equivalent electrical performance in Tape & Reel format.

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