40G QSFP to QSFP Active Direct Attach Copper Twinax Cable (ACC)

philisun001 — Sat, 09 May 2026 03:26:19 +0000

SPECIFICATIONS
Cable End Connector A	QSFP+	Cable End Connector B	QSFP+
Jumper Type	Direct-Attach	Data Rate	40G
Aggregate Bit Rate	41.2Gbps	Lane Bit Rate	10.3Gbps
Number of Channels	4	Single Channel Rate	10G
Minimum Bend Radius	5X Cable OD -Single, 10X Cable OD - Repeated	Factory Brand	PHILISUN
Attenuation	24AWG:10dB/10m maximum 26AWG:10dB/8.5m maximum 28AWG:10dB/7m maximum 30AWG:8.4dB/5.5m maximum	Bit Error Rate	≤10-12
Shield	Braid/Foil	Wire AWG	24AWG/26AWG/28AWG/30AWG
Cable Type	Active Twinax	Cable OD	30AWG: 4.2mm 28AWG: 4.7mm 26AWG: 5.2mm 24AWG: 6.0mm
Cable Colour/Material	Black PVC(OFNR)	Cable Length Selection	1-10 meter
Protocols	SFF-8436/QSFP MSA	Application Scenarios	10/40Gigabit Ethernet (10/40GbE)
Supply Voltage	3.3V	Power Dissipation	<2W
Operating Temperature	0 to 70℃ (32 to 158℉)	Storage Temperature	-40 to 85℃ (-40 to 185℉)

PRODUCT PRESENTATION

The PHILISUN 40G QSFP+ active copper cable is designed for 40GBASE Ethernet applications, providing a direct QSFP+ to QSFP+ connection solution. It complies with IEEE 802.3ba and QSFP MSA standards. Easy to install, high-speed and cost-effective, this cable is ideal for short‑reach connections within or between adjacent racks in data centers.

DAC SERIES PRODUCTS

PRODUCTION & TESTING EQUIPMENT

PERFORMANCE PARAMETER

Absolute Maximum Ratings
Parameter	Symbol	Min	Typ.	Max	Unit
Operating Case Temperature	Tc	0	–	70	℃
Relative Humidity	RH	–	–	85	%
Supply Voltage	Vcc	3.135	3.3	3.465	v
Total Power Consumption	PD	–	–	2	w
Data Rate Per Lane	–	1	–	10.3	Gb/s
Note: 1. Damage may occur if the transceiver is subjected to conditions beyond the limits.

Performance Specification
Electrical
Min. Dielectric Withstand Voltage					300 VDC
Insulation Resistance					1000 Mohms
Current Rating					0.5 Amp Min/Signal Contact
General
Operating Temperature					0 to 70 ℃
Flammability Rating(Plastics)					UL 94
Green Features					RoHS, Lead-Free
Shield					Braid/Foil
Marking					Mfg Name, Part#, Date Code
Plug
Backshell Material					Nickel-Plated Zinc Diecast
Contact Material					PCB with Gold-Plated Pads
Plastic Material					PA66
Latch					Positive Latching w/Pull Tab
Insertion Force					40N Max
Withdrawal Force					30N Max
Retention Force					90N Max
Durability					50 Cycles
Cable
Conductor					Solid
Wire Gauge					AWG30, AWG28, AWG26, AWG24
Impedance					100± 5 ohms
Construction					Twinaxial
Cable OD					AWG 30 :4.2mm
					AWG 28 :4.7mm
					AWG 26:5.2mm
					AWG 24: 6.0mm
Jacket Type					PVC
Bend Radius					5X Cable OD -Single 10X Cable OD -Repeated

Electrical Characteristics
Test Type	Test Item	24AWG	26AWG	28AWG	30AWG
Electrical Character istics	Differential impedance	100±5Ω @ TDR	100±5Ω	100±5Ω	100±5Ω @ TDR
–	Mutual capacitance	14pF/ft nominal	14pF/ft nominal	14pF/ft nominal	14pF/ft nominal
–	Time delay	1.31ns/ft nominal, (4.3ns/m) nominal	1.35ns/ft nominal	1.35ns/ft nominal	1.35ns/ft nominal, (4.3ns/m) nominal
–	Time delay skew (within pairs)	80ps/10m maximum	120ps/8.5m maximum	120ps/7m maximum	50ps/5.5m maximum
–	Time delay skew (between pairs)	350ps/ 10m maximum	500ps/8.5m maximum	500ps/7m maximum	350ps/5.5m maximum
–	Attenuation	10dB/ 10m maximum @1.25Ghz	10dB/8.5m maximum @1.25Ghz	10dB/7mmaximum @1.25Ghz	8.4dB/5.5m maximum @ 1.25Ghz
–	Conductor DC Resistance	0.026Ω /ft maximum @20 ℃	0.04Ω /ft maximum @ 20 ℃	0.06Ω /ft maximum @20 ℃	0.01Ω /ft maximum @20 ℃
Physical Characteris tics	Conductors (two pair)	24AWG Solid, Silver plated copper	26AWG Solid, Silver plated copper	28AWG Solid, Silver plated copper	30AWG Solid, Silver plated copper
–	Insulation	Foam polyolefin	Foam polyolefin	Foam polyolefin	Foam polyolefin
–	Pair drain wire	26AWG Solid, Silver plated copper	28AWG Solid, Silver plated copper	30AWG Solid, Silver plated copper	30AWG Solid, Silver plated copper
–	Overall cable shield	Aluminum/polyester tape, 125% coverage, Tin plated copper braid,38AWG, 85% coverage	Aluminum/polyester tape, 125% coverage, Tin plated copper braid,38AWG, 85% coverage	Aluminum/polyester tape, 125% coverage, Tin plated copper braid,38AWG, 85% coverage	Aluminum/polyester tape, 125% coverage, Tin plated copper braid,38AWG, 85% coverage
–	Outer diameter	6.0mm	5.2mm	4.7mm	4.2mm

Pin Designation

Pin	Logic	Symbol	Name/Description	Notes
1	–	GND	Ground	1
2	CML-I	Tx2n	Transmitter Inverted Data Input	–
3	CML-I	Tx2p	Transmitter Non-inverted Data Input	–
4	–	GND	Ground	1
5	CML-I	Tx4n	Transmitter Inverted Data Input	–
6	CML-I	Tx4p	Transmitter Non-inverted Data Input	–
7	–	GND	Ground	1
8	LVTTL-I	ModSelL	Module Select	–
9	LVTTL-I	ResetL	Module Reset	–
10	–	Vcc Rx	+3.3V Power Supply Receiver	–
11	LVCMOS-I/O	SCL	2-Wire Serial Interface Clock	2
12	LVCMOS-I/O	SDA	2-Wire Serial Interface Data	2
13	–	GND	Ground	1
14	CML-O	Rx3p	Receiver Non-Inverted Data Output	–
15	CML-O	Rx3n	Receiver Inverted Data Output	–
16	–	GND	Ground	1
17	CML-O	Rx1p	Receiver Non-Inverted Data Output	–
18	CML-O	Rx1n	Receiver Inverted Data Output	–
19	–	GND	Ground	1
20	–	GND	Ground	1
21	CML-O	Rx2n	Receiver Inverted Data Output	–
22	CML-O	Rx2p	Receiver Non-Inverted Data Output	–
21	CML-O	Rx2n	Receiver Inverted Data Output	–
22	CML-O	Rx2p	Receiver Non-Inverted Data Output	–
23	–	GND	Ground	1
24	CML-O	Rx4n	Receiver Inverted Data Output	–
25	CML-O	Rx4p	Receiver Non-Inverted Data Output	–
26	–	GND	Ground	1
27	LVTTL-O	ModPrsL	Module Present	2
28	LVTTL-O	IntL	Interrupt	2
29	–	Vcc Tx	+3.3V Power Supply Transmitter	–
30	–	Vcc1	+3.3V Power Supply	–
31	LVTTL-I	LPMode	Low Power Mode	–
32	–	GND	Ground	1
33	CML-I	Tx3p	Transmitter Non-inverted Data Input	–
34	CML-I	Tx3n	Transmitter Inverted Data Input	–
35	–	GND	Ground	1
36	CML-I	Tx1p	Transmitter Non-inverted Data Input	–
37	CML-I	Tx1n	Transmitter Inverted Data Input	–
38	–	GND	Ground	1
Notes: 1. Module ground pins GND are isolated from the module case and chassis ground within the module. 2. Shall be pulled up with 4.7K-10Kohms to a voltage between 3. 14V and 3.47V on the host board.

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40G QSFP to QSFP Active Direct Attach Copper Twinax Cable (ACC)最先出现在www.philisun.com。

40G QSFP+ ACC Cables – www.philisun.com

40G QSFP to QSFP Active Direct Attach Copper Twinax Cable (ACC)