Molex 0545480871 FFC, FPC Connector – Equivalent & Substitute Parts

Part Overview

The Molex 0545480871 is an 8-position FFC, FPC connector with 0.5mm pitch, designed for surface mount, right-angle applications. This connector features bottom contacts, slide lock mechanism, and zero insertion force (ZIF) operation. The part is classified as obsolete, making equivalent and substitute parts necessary for ongoing production and maintenance applications. Active alternatives are available from multiple manufacturers with comparable electrical and mechanical specifications.

Key Parameters

Parameter	Value
Connector Type	FFC, FPC (Flat Flexible)
Number of Positions	8
Pitch	0.020" (0.50mm)
Mounting Type	Surface Mount, Right Angle
Contact Configuration	Bottom Contacts
Voltage Rating	50V
Current Rating	0.5A
Operating Temperature Range	-20°C ~ 85°C
FFC, FCB Thickness	0.30mm
Termination	Solder
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the Molex 0545480871 is determined by the following critical parameters:

Primary Matching Criteria:

8-position connector configuration
0.5mm (0.020") pitch spacing
Surface mount, right-angle orientation
Solder termination
50V voltage rating
0.5A current rating
0.30mm FFC, FCB thickness
ROHS3 compliance

Secondary Compatibility Factors:

Operating temperature range (minimum -20°C, maximum 85°C or higher)
Locking mechanism type (slide lock or flip lock acceptable)
Contact material and finish (phosphor bronze with gold or equivalent)
Housing material (LCP or equivalent polymer)
Zero insertion force (ZIF) feature

The substitute parts listed below meet all primary criteria and maintain functional equivalence within the specified electrical and mechanical parameters. Variations in height above board, locking mechanism design, and contact finish thickness do not affect substitution eligibility when all primary parameters align.

Parameter Comparison

Parameter	Molex 0545480871	Molex 0545480872	Würth 687108149022	KYOCERA AVX 046809608110846+	GCT FFC2B35-08-G	Hirose FH34SRJ-8S-0.5SH(50)
Positions	8	8	8	8	8	8
Pitch	0.5mm	0.5mm	0.5mm	0.5mm	0.5mm	0.5mm
Mounting Type	Surface Mount, Right Angle	Surface Mount, Right Angle	Surface Mount, Right Angle	Surface Mount, Right Angle	Surface Mount, Right Angle	Surface Mount, Right Angle
Contact Configuration	Bottom	Bottom	Bottom	Bottom	Bottom	Top and Bottom
Voltage Rating	50V	50V	50V	50V	50V	50V
Current Rating	0.5A	0.5A	0.5A	0.5A	0.4A	0.5A
Operating Temperature	-20°C ~ 85°C	-20°C ~ 85°C	-40°C ~ 105°C	-40°C ~ 85°C	-25°C ~ 85°C	-55°C ~ 105°C
FFC, FCB Thickness	0.30mm	0.30mm	0.30mm	0.30mm	0.30mm	0.30mm
Height Above Board	0.047" (1.20mm)	0.047" (1.20mm)	0.087" (2.20mm)	0.037" (0.95mm)	0.079" (2.00mm)	0.039" (1.00mm)
Locking Feature	Slide Lock	Slide Lock	Flip Lock	Flip Lock	Flip Lock	Rotary Lock, Backlock
Contact Material	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Copper Alloy	Phosphor Bronze	Phosphor Bronze
Contact Finish	Gold	Gold	Tin	Gold	Gold	Gold
Housing Material	Liquid Crystal Polymer (LCP)	Liquid Crystal Polymer (LCP)	Polyamide (PA6T), Nylon 6T	Plastic	Liquid Crystal Polymer (LCP)	Liquid Crystal Polymer (LCP), Halogen Free
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	RoHS Compliant
Mating Cycles	20	20	20	Not specified	30	20

Engineering Selection Recommendations

Direct Equivalent – Molex 0545480872

The Molex 0545480872 is the manufacturer-recommended direct substitute. It shares identical electrical and mechanical specifications with the 0545480871, differing only in packaging (Tape & Reel versus Cut Tape) and product status (Active versus Obsolete). This part is the preferred choice for direct replacement in production environments.

Extended Temperature Range – Würth Elektronik 687108149022 and Hirose FH34SRJ-8S-0.5SH(50)

Both the Würth 687108149022 and Hirose FH34SRJ-8S-0.5SH(50) offer extended operating temperature ranges (-40°C to 105°C and -55°C to 105°C respectively), suitable for applications requiring broader thermal performance. The Hirose part additionally features top and bottom contacts and rotary lock mechanism with backlock feature. These options are appropriate when thermal specifications exceed the original -20°C to 85°C range.

Compact Profile – KYOCERA AVX 046809608110846+

The KYOCERA AVX 046809608110846+ provides the lowest height above board (0.95mm) among available substitutes, making it suitable for space-constrained applications. This part maintains all primary electrical parameters and ROHS3 compliance.

Extended Mating Cycle Life – GCT FFC2B35-08-G

The GCT FFC2B35-08-G offers 30 mating cycles compared to 20 cycles in the original part, providing extended connector life for high-cycle applications. Note that the current rating is 0.4A, which is lower than the 0.5A specification of the original part.

All substitute parts maintain ROHS3 compliance and are currently in active production status, ensuring long-term availability and supply chain stability.

Frequently Asked Questions (FAQ)

Q: Can the Molex 0545480872 be used as a direct replacement for the 0545480871?

A: Yes. The 0545480872 is the manufacturer-recommended equivalent. Both parts share identical electrical specifications (50V, 0.5A), mechanical configuration (8 positions, 0.5mm pitch, surface mount right-angle), and operating temperature range (-20°C to 85°C). The only differences are packaging format and product status.

Q: What is the primary difference between the Würth 687108149022 and the original Molex part?

A: The Würth part maintains all core electrical and mechanical parameters but offers an extended operating temperature range (-40°C to 105°C versus -20°C to 85°C). The height above board is also greater (2.20mm versus 1.20mm), and the locking mechanism is flip lock rather than slide lock. These differences do not affect electrical substitution eligibility.

Q: Is the GCT FFC2B35-08-G suitable for applications requiring 0.5A current?

A: The GCT part has a current rating of 0.4A, which is lower than the 0.5A specification of the original Molex 0545480871. It is suitable only for applications requiring 0.4A or less. For applications requiring the full 0.5A rating, use the Molex 0545480872, Würth 687108149022, KYOCERA AVX 046809608110846+, or Hirose FH34SRJ-8S-0.5SH(50).

Q: What is the significance of the different locking mechanisms (slide lock versus flip lock)?

A: Slide lock and flip lock mechanisms provide different actuation methods for cable insertion and removal but do not affect electrical performance or substitution eligibility. Selection depends on application-specific handling requirements and PCB layout constraints. Both mechanisms provide zero insertion force (ZIF) operation.

Q: Can the Hirose FH34SRJ-8S-0.5SH(50) be used in place of the Molex 0545480871?

A: Yes. The Hirose part meets all primary substitution criteria: 8 positions, 0.5mm pitch, surface mount right-angle, 50V voltage rating, and 0.5A current rating. The Hirose part features top and bottom contacts (versus bottom only), rotary lock with backlock mechanism, and extended operating temperature range (-55°C to 105°C). These differences do not prevent substitution.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant, meeting regulatory requirements for hazardous substance restrictions.

Q: What packaging formats are available for these connectors?

A: The Molex 0545480871 is supplied in Cut Tape (CT) packaging. The Molex 0545480872, Würth 687108149022, KYOCERA AVX 046809608110846+, and GCT FFC2B35-08-G are supplied in Tape & Reel (TR) format. The Hirose FH34SRJ-8S-0.5SH(50) is supplied in Cut Tape (CT) format. Packaging selection depends on production volume and assembly equipment compatibility.

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