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WH81177C00021 400G 1*1 Solder QSFPDD Connector
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SFP Connector

WH81177C00021 SFP Connector

WH81177C00021 SFP Connector perspective view
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Certificate ISO 9001
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01Specifications

WH81177C00021 specifications

ParameterValue
Pluggable I/O product type Connector
Overall dimensions QSFPDD
Data Rate (Max) (Gb/s) 400G
Installation Type Solder
Ports 1 x 1
Included Lightpipe NONE
Heat dissipation -
Connector Gold Plated 30U
Nickel Plated Shell None

Values are taken from published parameters; the datasheet prevails.

WH81177C00021Need samples, or a value that is not in this table? Ask our FAE team. Get a Quote or Samples + Add to Inquiry

02Documents

Datasheet, CAD and reports

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  • WH81177C00021 Datasheet (PDF)Latest · This part Download ↓
  • 3D model (STEP)Latest · This part Download ↓
  • Quality certificates (ISO / RoHS / REACH)Latest · All products View →
WH81177C00021Need another file format, or samples to test? Ask our FAE team. Get a Quote or Samples + Add to Inquiry

03Quality

Quality and compliance

DocumentNo.Issued / tested byDateApplies toActions
Certificate Certificate · Company ISO 9001:2015No. 19826Q02503R101 Quality management systemBeijing Xinjiyuan Certification Co., Ltd.Valid 2026-10-17 to 2029-10-16
19826Q02503R101 Beijing Xinjiyuan Certification Co., Ltd. Valid2026-10-17 to 2029-10-16 Company View PDF → Verify → Scope: R&D and sales of precision electronic connectors
Certificate Certificate · Company ISO 14001:2015No. 19826E01323R101 Environmental management systemBeijing Xinjiyuan Certification Co., Ltd.Valid 2026-10-17 to 2029-10-16
19826E01323R101 Beijing Xinjiyuan Certification Co., Ltd. Valid2026-10-17 to 2029-10-16 Company View PDF → Verify → Scope: R&D and sales of precision electronic connectors

ISO certificates cover VOOHU's management systems.

04Compare

Same-series Comparison

Red marks values that differ from this part; data from the published parameters of each part.

Parameter WH81177C00021This part WH81177004331 WH8117701N011
Pluggable I/O product type Connector Cage Cage
Overall dimensions QSFPDD QSFPDD QSFPDD
Data Rate (Max) (Gb/s) 400G 400G 400G
Installation Type Solder Press-Fit Press-Fit
Ports 1 x 1 1 x 4 1 x 1
Included Lightpipe NONE NONE NONE
Connector Gold Plated 30U None None
Nickel Plated Shell None Ni 30U Ni 30U
Heat dissipation — Heat Sink Heat dissipation holes
WH81177C00021Not sure which part in the series fits? Ask our FAE team which one to sample. Get a Quote or Samples + Add to Inquiry

05FAQ

FAQ SFP Connector: WH81177C00021

Is WH81177C00021 a cage or a connector?

WH81177C00021 is a QSFP-DD Connector only—no cage included. It uses a 94V-0 thermoplastic housing, copper alloy contacts and copper alloy solder washers.

What plating does WH81177C00021 use?

Connector Gold Plated: 0.76 µm (about 30 µin) on the mating end. Solder tails carry 2.54 µm matte tin over an all-over nickel underplate, and the solder washers are finished in nickel silver.

What are the PCB requirements for WH81177C00021?

Installation Type is Solder, on a board at least 1.6 mm thick. The recommended footprint has 76 pads (0.35 mm × 1.60 mm) and two ø1.55 mm locating holes, with a ±0.05 mm layout tolerance.

06Support

Talk to an engineer

01Replace your current partShare the part number you use today. An engineer compares pinout, package, electrical parameters and temperature range item by item, and lists the differences and open points.Start a replacement review → 02Does it match my PHY?Already chosen a PHY? See reviewed reference designs, or send your parameters and an engineer will match the RJ45 and protection parts.See matching options → 03Unstable link after useSeeing link drops, interference or failed tests? Send us the symptoms and conditions and get an FAE-reviewed troubleshooting checklist.Start troubleshooting →

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WH81177C00021

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07Related

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