THAS142M050AA1C Equivalent & Substitute Parts

Part Overview

The THAS142M050AA1C is a 1400 µF, 50 V aluminum electrolytic capacitor manufactured by Cornell Dubilier Electronics (CDE) in FlatPack configuration. This component is designed for general-purpose applications requiring stable capacitance performance across extended temperature ranges and operational lifetimes. The part maintains Active product status with full RoHS3 compliance and REACH unaffected designation. Substitute parts are identified to address inventory availability, supply chain continuity, or equivalent performance requirements in circuit designs where the primary part number is unavailable.

Key Parameters

Parameter	Value	Unit
Capacitance	1400	µF
Voltage - Rated	50	V
Tolerance	±20	%
ESR @ 120Hz	120	mOhm
Lifetime @ 105°C	5000	Hrs
Operating Temperature Range	-55 to 105	°C
Ripple Current @ 120Hz	1.7	A
Ripple Current @ 20kHz	2.04	A
Package Type	FlatPack	—
Mounting Type	Through Hole	—
Lead Spacing	10.00	mm
Dimensions (L × W)	36.40 × 25.40	mm
Height - Seated (Max)	9.30	mm

Substitute Part Grouping Explanation

Substitution eligibility for the THAS142M050AA1C is determined by strict equivalence across the following critical parameters:

Mandatory Equivalence Criteria:

Capacitance: 1400 µF (exact match)
Voltage Rating: 50 V (exact match)
Tolerance: ±20% (exact match)
ESR @ 120Hz: 120 mOhm (exact match)
Lifetime @ 105°C: 5000 Hrs (exact match)
Operating Temperature Range: -55°C to 105°C (exact match)
Ripple Current @ 120Hz: 1.7 A (exact match)
Ripple Current @ 20kHz: 2.04 A (exact match)
Package Type: FlatPack (exact match)
Mounting Type: Through Hole (exact match)
Lead Spacing: 10.00 mm (exact match)
Physical Dimensions: 36.40 mm L × 25.40 mm W (exact match)
Height - Seated (Max): 9.30 mm (exact match)

Only parts meeting all specified parameters are classified as direct substitutes. The THAS142M050AA0C meets all equivalence criteria and is identified as a parametric equivalent.

Parameter Comparison

Parameter	THAS142M050AA1C (Main)	THAS142M050AA0C (Substitute)	Match Status
Manufacturer	Cornell Dubilier Electronics (CDE)	Cornell Dubilier Electronics (CDE)	Identical
Series	THAS	THAS	Identical
Capacitance	1400 µF	1400 µF	Identical
Voltage - Rated	50 V	50 V	Identical
Tolerance	±20%	±20%	Identical
ESR @ 120Hz	120 mOhm	120 mOhm	Identical
Lifetime @ 105°C	5000 Hrs	5000 Hrs	Identical
Operating Temperature	-55°C ~ 105°C	-55°C ~ 105°C	Identical
Polarization	Polar	Polar	Identical
Ripple Current @ 120Hz	1.7 A	1.7 A	Identical
Ripple Current @ 20kHz	2.04 A	2.04 A	Identical
Lead Spacing	10.00 mm	10.00 mm	Identical
Dimensions (L × W)	36.40 × 25.40 mm	36.40 × 25.40 mm	Identical
Height - Seated (Max)	9.30 mm	9.30 mm	Identical
Package / Case	FlatPack	FlatPack	Identical
Mounting Type	Through Hole	Through Hole	Identical
Product Status	Active	Active	Identical
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Identical
REACH Status	REACH Unaffected	REACH Unaffected	Identical

Engineering Selection Recommendations

Both THAS142M050AA1C and THAS142M050AA0C are Active products with identical electrical, mechanical, and environmental specifications. Selection between these parts is based on availability and supply chain considerations:

THAS142M050AA1C: Primary selection when available. Current inventory: 799 pieces.

THAS142M050AA0C: Direct substitute with identical performance characteristics. Current inventory: 929 pieces. Both parts maintain full RoHS3 compliance and REACH unaffected status, ensuring regulatory compatibility in all applications. No performance degradation or functional compromise occurs when substituting between these part numbers.

Frequently Asked Questions (FAQ)

Q: Can THAS142M050AA0C be used as a direct replacement for THAS142M050AA1C?

A: Yes. Both parts are parametrically equivalent across all electrical, mechanical, and environmental specifications. They share identical capacitance (1400 µF), voltage rating (50 V), ESR (120 mOhm @ 120Hz), ripple current ratings, operating temperature range, and physical dimensions. No circuit modifications or performance adjustments are required.

Q: Are there any differences in compliance or certifications between these parts?

A: No. Both THAS142M050AA1C and THAS142M050AA0C carry identical RoHS3 compliance and REACH unaffected designations. They meet the same regulatory and environmental standards.

Q: What is the significance of the different part number suffixes (1C vs. 0C)?

A: The suffix variation reflects internal manufacturing or packaging designations within Cornell Dubilier Electronics' product line. From an engineering perspective, these designations do not affect electrical performance, mechanical compatibility, or functional characteristics. Both parts are functionally interchangeable.

Q: Can these capacitors be used in high-ripple-current applications?

A: Yes. Both parts support ripple current ratings of 1.7 A @ 120 Hz and 2.04 A @ 20 kHz, making them suitable for applications with moderate to high ripple current demands within these frequency ranges.

Q: What is the maximum operating temperature for these capacitors?

A: The maximum operating temperature is 105°C. Both parts are rated for 5000 hours of operation at this temperature, providing extended service life in thermally demanding environments.

Q: Are these parts suitable for through-hole PCB assembly?

A: Yes. Both THAS142M050AA1C and THAS142M050AA0C are through-hole mounted components with 10.00 mm lead spacing, compatible with standard through-hole assembly processes and PCB layouts designed for this mounting type.

Q: What is the physical footprint of these capacitors?

A: Both parts have identical FlatPack dimensions: 36.40 mm length × 25.40 mm width, with a maximum seated height of 9.30 mm. These dimensions ensure consistent PCB layout compatibility between the two part numbers.

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