TE Connectivity 3632B102LL Equivalent & Substitute Parts

Part Overview

The TE Connectivity 3632B102LL is a 1 mH shielded inductor rated for 300 mA with a maximum DC resistance of 2.5 Ohm, designed for surface mount applications. This component is classified as obsolete, necessitating identification of active equivalent parts to maintain design continuity and ensure long-term supply chain reliability. The part operates across a temperature range of -25°C to 105°C and is RoHS3 compliant with unlimited moisture sensitivity rating.

Key Parameters

Parameter	Value
Inductance	1 mH
Current Rating	300 mA
DC Resistance (DCR)	2.5 Ohm Max
Tolerance	±15%
Shielding	Shielded
Core Material	Ferrite
Mounting Type	Surface Mount
Operating Temperature	-25°C ~ 105°C
Q @ Frequency	85 @ 252kHz
Self Resonant Frequency	1.8 MHz

Substitute Part Grouping Explanation

Substitution of the TE Connectivity 3632B102LL is determined by strict equivalence across the following critical parameters:

Primary Equivalence Criteria:

Inductance value: 1 mH
Current rating: 300 mA minimum
DC resistance: 2.5 Ohm maximum
Tolerance: ±15%
Shielding: Shielded configuration
Core material: Ferrite
Mounting type: Surface mount
Q factor: 85 @ 252kHz
Self resonant frequency: 1.8 MHz

The Bourns SRR0908-102YL meets all primary equivalence criteria and qualifies as a direct substitute. Both components share identical inductance, current rating, tolerance, shielding, core material, and frequency characteristics. The substitute part maintains the same physical height (7.80 mm seated) and operates within compatible temperature and frequency parameters.

Parameter Comparison

Parameter	TE Connectivity 3632B102LL	Bourns SRR0908-102YL	Match Status
Inductance	1 mH	1 mH	Equivalent
Current Rating (Amps)	300 mA	300 mA	Equivalent
DC Resistance (DCR)	2.5 Ohm Max	2.2 Ohm Max	Substitute Superior
Tolerance	±15%	±15%	Equivalent
Shielding	Shielded	Shielded	Equivalent
Core Material	Ferrite	Ferrite	Equivalent
Q @ Frequency	85 @ 252kHz	85 @ 252kHz	Equivalent
Frequency - Self Resonant	1.8 MHz	1.8 MHz	Equivalent
Mounting Type	Surface Mount	Surface Mount	Equivalent
Height - Seated (Max)	0.307" (7.80 mm)	0.307" (7.80 mm)	Equivalent
Operating Temperature	-25°C ~ 105°C	-40°C ~ 125°C	Substitute Extended Range
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Equivalent
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	Equivalent
Product Status	Obsolete	Active	Substitute Active

Engineering Selection Recommendations

The Bourns SRR0908-102YL is the qualified substitute for the obsolete TE Connectivity 3632B102LL based on the following engineering factors:

Compliance and Certification: Both components maintain ROHS3 compliance and unlimited moisture sensitivity rating (MSL 1), ensuring regulatory alignment across applications.

Product Status: The TE Connectivity 3632B102LL is obsolete, while the Bourns SRR0908-102YL maintains active product status with confirmed inventory availability (2061 pieces in stock). This status differential is the primary driver for substitution.

Electrical Equivalence: The substitute part delivers superior DC resistance performance (2.2 Ohm maximum versus 2.5 Ohm maximum), representing a 12% improvement in this parameter. All other electrical specifications—inductance, current rating, tolerance, Q factor, and self-resonant frequency—are identical.

Thermal Performance: The Bourns substitute extends the operating temperature range to -40°C to 125°C, compared to the original -25°C to 105°C specification, providing enhanced thermal margin for demanding applications.

Physical Compatibility: Both components share identical seated height (7.80 mm) and compatible footprint dimensions, supporting direct board-level substitution without layout modification.

Frequently Asked Questions (FAQ)

Q: Can the Bourns SRR0908-102YL directly replace the TE Connectivity 3632B102LL in existing designs?

A: Yes. Both components share identical inductance (1 mH), current rating (300 mA), tolerance (±15%), shielding configuration, core material (ferrite), Q factor (85 @ 252kHz), and self-resonant frequency (1.8 MHz). Physical height and mounting type are equivalent, supporting direct substitution without circuit redesign.

Q: What is the significance of the DC resistance difference between the two parts?

A: The Bourns substitute exhibits 2.2 Ohm maximum DC resistance compared to 2.5 Ohm maximum in the original part. This 0.3 Ohm reduction represents improved efficiency and lower power dissipation in the inductor, providing a performance advantage in the substitution.

Q: Are there package or footprint differences between these components?

A: The TE Connectivity 3632B102LL uses a nonstandard package, while the Bourns SRR0908-102YL employs an 8-SMD, Gull Wing configuration. Both maintain identical seated height (7.80 mm) and compatible lateral dimensions (approximately 10 mm × 9.5 mm), enabling direct board-level placement without modification.

Q: Does the extended temperature range of the Bourns part affect compatibility?

A: No. The Bourns SRR0908-102YL operates across -40°C to 125°C, which encompasses the original TE Connectivity specification of -25°C to 105°C. The extended range provides additional thermal margin without introducing incompatibility.

Q: What is the inventory status for each component?

A: The TE Connectivity 3632B102LL is obsolete with 948 pieces available as new original stock. The Bourns SRR0908-102YL is an active product with 2061 pieces in stock, ensuring long-term supply chain continuity.

Q: Are both components RoHS3 compliant?

A: Yes. Both the TE Connectivity 3632B102LL and Bourns SRR0908-102YL maintain ROHS3 compliance and unlimited moisture sensitivity rating (MSL 1), supporting regulatory requirements across applications.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message