Fiber Optic Connector Components

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Model:

LC ⁄ SC ⁄ FC ⁄ ST ⁄ E2000，SM ⁄ MM, APC ⁄ UPC, Low insertion loss high return loss, unassembled, pre-assembled

Key Features

Low insertion loss and high return loss
Excellent interchangeability and repeatability
High Precision Alignment

Description
Specifications
Ordering Information
Applications
FAQ
Product Video

Sun Telecom supplies variouskinds of low insertion loss high return loss single mode and multimode fiber optic connectors for FC, SC, ST, LC, MTRJ, MPO and other connectors. They are widely used in fiber optic patchcords, terminal boxes, and other fiber optic communications.

1. Fiber Optic Ceramic Ferrule (CCTC)

No.	O.D (mm)	SM/MM	UPC/APC	Ferrule Aperture (μm)	Concentricity (μm)	Flange Length (mm)
1	Ф1.25	SM	PC/UPC	125.5~126.5	≤1	6.86
1	Ф1.25	MM	PC	125.5-128	≤4	6.86
2	Ф2.5	SM	PC/UPC	125.5~126.5	≤1	SC/FC: 8.05 or 15.4¹ ST: 22
		SM	APC	125.5~126.5	≤1
		MM	PC	125.5~128	≤4

Note:
1. The ferrule of the SC/FC assembled connector is equipped with a 15.4mm flange (Lower left picture), while the ferrule of the SC/FC unassembled connector is equipped with an 8.05mm flange (Lower middle picture).

SC/FC 15.4mm flange

SC/FC 8.05mm flange

ST 22mm flange

2. LC Connectors

Material Parts		LC 3.0	LC 2.0	LC 0.9 Simplex
1	Dust Cap	PP	PP	PP
2	Housing	PEI	PEI	PEI
3	1.25mm Ferrule with flange	Ceramic	Ceramic	Ceramic
4	Transparent Tube	PE	PE	PE
5	Spring	SUS 304	SUS 304	SUS 304
6	Simplex Stopper¹	PEI+AI5053	PEI+AI5053	PEI+AI5053
7	Crimp Ring²	AI5053	/	/
8	Rivet³	H62	/	/
9	Boot⁴	TPV (3.0mm),L28.5mm	TPV (2.0mm), L28.5mm	TPV (0.9 mm), L16mm
10	Heat Shrink Tube with Crimp Ring⁵	/	PEI+AI5053	/
11	Duplex Connector Clip⁶	PEI	PEI	/
UPC
APC
MM

Notes:
1. The stoppers are different for simplex and duplex.
2. There are no crimp rings for duplex and multi-mode type LC connectors.
3. There are no rivets for duplex and multi-mode type LC connectors.
4. Boots varies from 3.0mm, 2.0mm and 0.9mm.
5. The heat shrink tube is only for 2.0mm LC connectors.
6. The duplex connector clip is only for duplex type LC connectors.

3. SC Connectors

Material Parts		SC 3.0	SC 2.0	SC 0.9
1	Dust Cap	LDPE	LDPE	LDPE
2	Housing	PBT	PBT	PBT
3	Plug Frame	PBT	PBT	PBT
4	2.5mm Ferrule with flange	Ceramic	Ceramic	Ceramic
5	Spring	SUS 304	SUS 304	SUS 304
6	Simplex Stopper¹	CU	CU	CU
7	Big Crimp Ring²	AI6061	AI6061	/
8	Small Crimp Ring³	H65	H65	/
9	Boot⁴	TPV (3.0mm), L40mm	TPV (2.0mm), L40mm	TPV (0.9 mm), L16mm
UPC
APC

Notes:
1. The stoppers are same for 3.0mm and 2.0mm SC connectors, are different for 0.9mm.
2. The big crimp rings are different for 3.0mm and 2.0mm.
3. The small crimp rings are different for 3.0mm and 2.0mm, and there is no small crimp ring for 0.9mm.
4. Boots varies from 3.0mm, 2.0mm and 0.9mm.
4. FC Connectors

Material Parts		FC 3.0	FC 2.0	FC 0.9
1	Dust Cap	LDPE	LDPE	LDPE
2	Plug Frame	Adjustable: H59 Fixed: Zinc alloy	Adjustable: H59 Fixed: Zinc alloy	H59
3	Nut	H59	H59	H59
4	2.5mm Ferrule with flange	Ceramic	Ceramic	Ceramic
5	Spring	SUS 304	SUS 304	SUS 304
6	Simplex Stopper¹	H59 (Adjustable & zinc alloy)	H59 (Adjustable & zinc alloy)	H59
7	Big Crimp Ring²	AI6061	AI6061	/
8	Small Crimp Ring³	H65	H65	/
9	Boot⁴	TPV (3.0mm), L44mm	TPV (2.0mm), L44mm	TPV (0.9 mm)
UPC
APC

Notes:
1. The stoppers are same for 3.0mm and 2.0mm FC connectors, are different for 0.9mm. It’s also different for APC and UPC. UPC can be adjustable or fixed type, while APC can ONLY be fixed type.
UPC:

APC:

Adjustable plug frame (H59) & adjustable stopper     Fixed plug frame (zinc alloy) & fixed stopper


2. The big crimp rings are different for 3.0mm and 2.0mm.
3. The small crimp rings are different for 3.0mm and 2.0mm, and there is no small crimp ring for 0.9mm.
4. Boots varies from 3.0mm, 2.0mm and 0.9mm.

5. ST Connectors

Material Parts		ST 3.0	ST 2.0	ST 0.9
1	Dust Cap	LDPE	LDPE	LDPE
2	Stopper¹	H59	H59	H59
3	2.5mm Ferrule without flange	Ceramic	Ceramic	Ceramic
4	C type Ring	SUS 304	SUS 304	SUS 304
5	Spring	SUS 304	SUS 304	SUS 304
6	Coupling Nut	H59	H59	H59
7	Crimp Ring²	AI5053 (3.0mm)	AI5053 (2.0mm)	/
8	Boot³	TPV (3.0mm), L40mm	TPV (2.0mm), L40mm	TPV (0.9 mm), L26mm
9	Rivet	H65 (3.0mm)	/	/
UPC

Notes:
1. The stopper we provided is open bayonet lock type.
2. The crimp rings are different for 3.0mm and 2.0mm ST connectors, and for 0.9mm there is no crimp ring.
3. Boots varies from 3.0mm, 2.0mm and 0.9mm ST connectors.

6. Colors for connector components

Parameters		Specification
		Dust cap	Housing	Boot	Duplex Clip
LC (0.9, 2.0, 3.0)	SM UPC	White	Blue	White	Blue
	SM APC		Green	White	Green
	OM1&OM2 UPC		Beige	White	Beige
	OM3 UPC		Aqua	Aqua	Aqua
	OM4 UPC		Violet	Violet	Violet
	OM5 UPC		Lime green	Lime green	Lime green
SC (0.9, 2.0, 3.0)	SM UPC	Transparent	Blue	Blue	Blue
	SMAPC	Green	Green	Green	Green
	OM1&OM2 UPC	Transparent	Beige	Beige	Beige
	OM3 UPC		Aqua	Aqua	Aqua
	OM4 UPC		Violet	Violet	Violet
	OM5 UPC		Lime green	Lime green	Lime green
FC (0.9, 2.0, 3.0)	SM UPC	Transparent	Metal color	Black	N/A
	SMAPC	Green		Green
	MM UPC	Transparent		Black
ST (0.9, 2.0, 3.0)	SM UPC	Transparent	Metal color	Black	N/A
	SMAPC	Green		Green
	MM UPC	Transparent		Black

Example:SUN-SC-SM-2-A
SC/UPC, SM, simplex; Ceramic ferrule (CCTC, with 15.4mm metal flange), blue housing, transparent cap, 2.0mm blue boot;After assembly
Note: For the necessity of improvement, the material contained in this document is subject to change without notice.
Version: 20250429
● Telecom network
● Data transmission network
● Fiber Optic Patch Cord & Pigtail

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Model: SUN-PM100L

Features

High Speed Process
Huge Capacity
FC, SC, ST, LC, MU
MTP, MPO, MTRJ
UPC or APC
P.C. Polishing Fixtures
20 connectors: FC, SC, ST
24 connectors: LC & MU
Self Adjusting Pressure
Exceeds requirements for GR-326 End Face Geometry Uses the new I.P.C. holder technology yields the best results in the industry
No variability in result when polishing 1 or 20 connectors
Polishes up to 24 connectors: MU & LC & 20 for SC, FC & ST
Efficient and fast processes for all connector types
Built w/ high quality, heat-treated, stainless steel for amazing precision and durability

Quick startup
FTTX in-service testing (Up to1:64 splitter)
Built-in PON power meter for Triple-play testing
High configuration series include optical light source, optical power meter, visual fault locator (VFL) and Optical Connector Inspector (MCI) modules
USB data interface (PC software for batch data processing and report output)
Dustproof and shockproof (2-meter drop test)
Light weight, small size, rugged design and simple operation
Visual link image software (Optional)

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