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Hirose Electric Co Ltd BM20B(0.8)-24DS-0.4V(53) — Mezzanine & Stacking Connectors
Hirose Electric Co Ltd

Hirose BM20B(0.8)-24DS-0.4V(53) Receptacle, 0.40mm Pitch

MPNBM20B(0.8)-24DS-0.4V(53)
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Hirose BM20 series receptacle, center strip contacts, 24 positions, 2 rows, 0.016" (0.40mm) pitch, surface mount, gold contact finish, 0.031" (0.80mm) height above board, solder retention features.

$1.4400Ref. price · indicative, final on quote
BM20B(0.8)-24DS-0.4V(53) datasheet
StockContact for availability
Lead timeIn Stock wk
MOQ1 pcs
  • New & original stockTraceable channels only — no mixed lots, no re-taped reels.
  • Factory packaging where availableSealed reels, trays and bags; cut quantities always stated on the quote.
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Specifications

BM20B(0.8)-24DS-0.4V(53) Technical Specifications
ParameterValue
SeriesBM20
MountingSurface Mount
Connector typeReceptacle, Center Strip Contacts
Height above board0.031\" (0.80mm)
Mated stacking heights0.8mm
Pitch0.016\" (0.40mm)
PackageTape & Reel (TR) Cut Tape (CT)
FeaturesSolder Retention
Contact finishGold
Rows2
Positions24

Product details

Board-Stacking Interconnect at 0.40mm Pitch

The Hirose BM20B(0.8)-24DS-0.4V(53) is a 24-position receptacle from the BM20 series, designed for parallel board-to-board stacking at a fixed 0.80mm mated height.

Position Count and Stack Height — Matching the BOM

The 0.80mm mated stack height is fixed; the board-to-board spacing in your enclosure must accommodate this height with no allowance for adjustment. Against the 20-position sibling BM20B(0.8)-20DS-0.4V(53), the difference is purely positional — the footprint pad layout changes, but the pitch and stack height are identical, so the board routing density stays the same.

Frequently asked questions

Where can I buy BM20B(0.8)-24DS-0.4V(53)?

Submit an RFQ for your target quantity and lead time.

What is the pitch on BM20B(0.8)-24DS-0.4V(53)?

The pitch is 0.016" (0.40mm), which is the tightest dimension governing the PCB footprint pad spacing and routing density for this connector.