How do the TE Connectivity AMP Connectors 2521 Series variants differ?

TE Connectivity AMP Connectors 2521 Series part numbers differ by gender, insulation diameter, length - overall and mounting type. Use the selection guide above to pick by gender.

TE Connectivity AMP Connectors 2521 Series

9 variants · TE Connectivity AMP Connectors

About the TE Connectivity AMP Connectors 2521 Series

The TE Connectivity AMP Connectors 2521 Series series groups 9 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. Every variant in the range shares a common color of Red, contact finish of Tin and contact material of Brass. Variants differ by gender, insulation diameter and length - overall, so you can match the exact gender your application requires using the selection guide below. All listed TE Connectivity AMP Connectors 2521 Series part numbers are active and orderable.

Select a variant by

Gender: Female · Male
Insulation diameter: 0.060\" ~ 0.135\" (1.52mm ~ 3.43mm) · 0.135\" (3.43mm) · 0.165\" (4.19mm)
Length - overall: - · 0.793\" (20.14mm) · 0.855\" (21.72mm)
Mounting type: Free Hanging (In-Line) · Free Hanging (In-Line), Right Angle
Package: Bulk · Tape & Reel (TR) Cut Tape (CT)
Tab thickness: 0.020\" (0.51mm) · 0.032\" (0.81mm)
Tab width: 0.187\" (4.75mm) · 0.187\" (4.75mm), 0.205\" (5.21mm) · 0.205\" (5.21mm) · 0.250\" (6.35mm)

Shared specifications

Color: Red
Contact finish: Tin
Contact material: Brass
Features: -
Insulation: Fully Insulated
Tab length: -
Termination: Crimp
Wire gauge: 18-22 AWG

Variant comparison

Parameter	2-521055-2	2-521102-2	2-521104-2	2-521105-2	2-521164-2	2-521308-2
Gender	Male	Male	Male	Male	Female	Female
Insulation diameter	0.060\" ~ 0.135\" (1.52mm ~ 3.43mm)	0.135\" (3.43mm)	0.135\" (3.43mm)	0.135\" (3.43mm)	0.165\" (4.19mm)	0.135\" (3.43mm)
Length - overall	0.855\" (21.72mm)	0.793\" (20.14mm)	0.793\" (20.14mm)	0.793\" (20.14mm)	-	0.855\" (21.72mm)
Mounting type	Free Hanging (In-Line)	Free Hanging (In-Line)	Free Hanging (In-Line)	Free Hanging (In-Line)	Free Hanging (In-Line), Right Angle	Free Hanging (In-Line)
Package	Tape & Reel (TR) Cut Tape (CT)	Tape & Reel (TR) Cut Tape (CT)	Tape & Reel (TR) Cut Tape (CT)	Bulk	Tape & Reel (TR) Cut Tape (CT)	Tape & Reel (TR) Cut Tape (CT)
Tab thickness	0.032\" (0.81mm)	0.020\" (0.51mm)	0.032\" (0.81mm)	0.032\" (0.81mm)	0.032\" (0.81mm)	0.032\" (0.81mm)
Tab width	0.250\" (6.35mm)	0.187\" (4.75mm)	0.187\" (4.75mm)	0.187\" (4.75mm)	0.187\" (4.75mm), 0.205\" (5.21mm)	0.205\" (5.21mm)

Request a quote on any TE Connectivity AMP Connectors 2521 Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.

Frequently asked questions

How do the TE Connectivity AMP Connectors 2521 Series variants differ?: TE Connectivity AMP Connectors 2521 Series part numbers differ by gender, insulation diameter, length - overall and mounting type. Use the selection guide above to pick by gender.
How many TE Connectivity AMP Connectors 2521 Series part numbers are listed?: 9 TE Connectivity AMP Connectors 2521 Series part numbers are listed, each with specifications and a datasheet where available.
How do I get pricing and lead time for TE Connectivity AMP Connectors 2521 Series?: Request a quote (RFQ) for any TE Connectivity AMP Connectors 2521 Series part number and we confirm price, availability and lead time per line — including end-of-life and hard-to-find variants.