FB3S045C11 FPC Connector – Equivalent & Substitute Parts

Part Overview

The FB3S045C11 is a 45-position FPC (Flat Flexible Cable) connector manufactured by JAE Electronics, designed for surface mount, right-angle applications with bottom contact configuration. This connector features a 0.3mm pitch and is rated for 50V operation across a temperature range of -40°C to 85°C. The product is currently obsolete, making identification of compatible substitute parts essential for ongoing design support, maintenance, and production continuity.

Key Parameters

Parameter	Value
Manufacturer Part Number	FB3S045C11
Manufacturer	JAE Electronics
Category	FFC, FPC (Flat Flexible) Connectors
Number of Positions	45
Pitch	0.012" (0.30mm)
Mounting Type	Surface Mount, Right Angle
Connector/Contact Type	Contacts, Bottom
Height Above Board	0.075" (1.90mm)
Voltage Rating	50V
Current Rating	0.35A per Contact
Operating Temperature	-40°C ~ 85°C
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution of the FB3S045C11 is determined by strict alignment of the following critical parameters:

Position Count & Pitch: Both main and substitute parts must maintain 45 positions at 0.3mm pitch to ensure mechanical and electrical compatibility with existing FPC cable assemblies.
Mounting Configuration: Surface mount, right-angle orientation with bottom contact placement is mandatory for PCB layout compatibility.
Connector Type: FPC connector with flip lock locking feature and tapered cable end type.
Electrical Ratings: Voltage and current ratings of the substitute must meet or exceed the application requirements.
Termination Method: Solder termination is required for consistency with existing assembly processes.
Material Compliance: UL94 V-0 flammability rating and halogen-free materials where applicable.

The FH23-45S-0.3SHW(05) from Hirose Electric Co Ltd satisfies these substitution criteria and is classified as an active product with current manufacturing support.

Parameter Comparison

Parameter	FB3S045C11 (JAE)	FH23-45S-0.3SHW(05) (Hirose)	Compatibility Notes
Number of Positions	45	45	Identical
Pitch	0.012" (0.30mm)	0.012" (0.30mm)	Identical
Mounting Type	Surface Mount, Right Angle	Surface Mount, Right Angle	Identical
Connector/Contact Type	Contacts, Bottom	Contacts, Bottom	Identical
FFC, FCB Thickness	0.20mm	0.20mm	Identical
Height Above Board	0.075" (1.90mm)	0.049" (1.25mm)	Hirose is lower profile
Locking Feature	Flip Lock	Flip Lock	Identical
Cable End Type	Tapered	Tapered	Identical
Contact Finish	Gold	Gold	Identical
Housing Material	Liquid Crystal Polymer (LCP), Glass Filled	Liquid Crystal Polymer (LCP), Halogen Free	Both LCP; Hirose is halogen-free
Actuator Material	Polyamide (PA), Nylon, Glass Filled	Liquid Crystal Polymer (LCP), Halogen Free	Different materials; Hirose is halogen-free
Features	Low Insertion Force (LIF)	Low Insertion Force (LIF)	Identical
Voltage Rating	50V	30V	JAE rated higher; Hirose suitable for ≤30V applications
Operating Temperature	-40°C ~ 85°C	-55°C ~ 85°C	Hirose has lower minimum temperature
Material Flammability Rating	UL94 V-0	UL94 V-0	Identical
Current Rating	0.35A per Contact	0.3A per Contact	JAE rated higher; Hirose suitable for ≤0.3A applications
Mating Cycles	20	10	JAE rated for more cycles
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	Identical
Product Status	Obsolete	Active	Hirose is in active production

Engineering Selection Recommendations

The FH23-45S-0.3SHW(05) is a direct mechanical and functional substitute for the obsolete FB3S045C11 when application electrical requirements do not exceed 30V and 0.3A per contact. Both connectors share identical position count, pitch, mounting configuration, and locking mechanism, ensuring PCB layout and cable assembly compatibility.

Key considerations for selection:

Voltage Derating: Applications requiring the full 50V rating of the FB3S045C11 cannot use the FH23-45S-0.3SHW(05), which is rated for 30V maximum.
Current Derating: Applications requiring the full 0.35A per contact rating of the FB3S045C11 cannot use the FH23-45S-0.3SHW(05), which is rated for 0.3A per contact maximum.
Mating Cycle Consideration: The FB3S045C11 supports 20 mating cycles versus 10 for the Hirose substitute. High-cycle applications should account for this difference.
Height Profile: The Hirose substitute is 0.026" (0.65mm) lower in profile, which may provide PCB layout advantages in space-constrained designs.
Material Compliance: The Hirose substitute features halogen-free materials in both housing and actuator, providing enhanced environmental compliance compared to the glass-filled polyamide actuator of the JAE part.
Production Status: The Hirose FH23-45S-0.3SHW(05) is in active production with current inventory availability, ensuring long-term supply chain continuity.

Frequently Asked Questions (FAQ)

Q: Can the FH23-45S-0.3SHW(05) be used as a direct replacement for the FB3S045C11 in all applications?

A: No. The Hirose substitute is suitable only for applications where voltage does not exceed 30V and current per contact does not exceed 0.3A. If your design requires the full 50V or 0.35A ratings of the JAE part, the Hirose substitute is not compatible.

Q: Are the PCB footprints identical between these two connectors?

A: Yes. Both connectors have 45 positions at 0.3mm pitch with identical surface mount, right-angle, bottom-contact configuration. PCB layouts designed for the FB3S045C11 will accommodate the FH23-45S-0.3SHW(05) without modification.

Q: Will existing FPC cables designed for the FB3S045C11 work with the FH23-45S-0.3SHW(05)?

A: Yes. Both connectors feature tapered cable end type with identical pitch and position count. FPC assemblies designed for the FB3S045C11 are mechanically compatible with the Hirose substitute.

Q: What is the difference in packaging between these parts?

A: The FB3S045C11 is supplied in standard packaging, while the FH23-45S-0.3SHW(05) is supplied in Tape & Reel (TR) format, which is standard for high-volume surface mount assembly processes.

Q: Why is the mating cycle rating different?

A: The FB3S045C11 supports 20 mating cycles while the FH23-45S-0.3SHW(05) supports 10 mating cycles. This reflects different mechanical design specifications. Applications requiring frequent connector mating should account for this difference in component lifecycle planning.

Q: Are both connectors RoHS compliant?

A: The FH23-45S-0.3SHW(05) is explicitly RoHS compliant. Compliance information for the obsolete FB3S045C11 is not provided in the available technical data.

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