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B2B-ZR — JST product photo
JST

JST B2B-ZR Header – 2-Pos, 1.5mm Pitch, Through Hole, Active

MPNB2B-ZR
Active

JST ZH series, B2B-ZR, Board to Cable/Wire Header, 2 circuits, 1.50 mm pitch, Through Hole, Shrouded - 4 Wall, Detent Lock, 1 A, 50 V, UL94 V-0, Bulk

$0.1800Ref. price · indicative, final on quote
B2B-ZR datasheet
StockContact for availability
Lead timeIn Stock wk
MOQ1 pcs
  • New & original stockTraceable channels only — no mixed lots, no re-taped reels.
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Specifications

B2B-ZR Technical Specifications
ParameterValue
SeriesZH
GenderMale Pin
Mounting typeThrough Hole
Connector typeHeader
Fastening typeDetent Lock
Voltage rating50V
Current rating1A
Operating temperature-25°C ~ 85°C
Contact materialBrass
Insulation colorNatural
Insulation height0.177\" (4.50mm)
Insulation materialPolyamide (PA66), Nylon 6/6, Glass Filled
Mated stacking heights5.6mm
Material flammability ratingUL94 V-0
StyleBoard to Cable/Wire
PackageBulk
ShroudingShrouded - 4 Wall
TerminationSolder
Contact shapeCircular
Rows1
Pitch0.059\" (1.50mm)
Positions2
Contact finish - postTin
Contact length - post0.106\" (2.69mm)
Overall contact length0.256\" (6.50mm)
Contact finish - matingTin
Contact length - mating0.094\" (2.40mm)

Product details

1.50 mm pitch, 2-position header for wire-to-board

The B2B-ZR: Its 0.059" (1.50 mm) pitch allows tight routing on the PCB, while the shrouded 4-wall design protects the male pins during handling and mating.

Through-hole termination with tin plating

Termination is through-hole solder, with tin-plated posts (0.106" / 2.69 mm contact length) and tin-plated mating surfaces. Mated stack height is 5.6 mm, which sets the clearance needed above the board when mated with the ZH receptacle.

Peer comparison: through-hole vs surface-mount

The B2B-ZR is the through-hole version. Its surface-mount sibling, the B2B-ZR-SM4-TFT, shares the same 2-position, 1.50 mm pitch, and detent lock but adds pick-and-place features and solder retention tabs for SMT assembly. The through-hole variant offers stronger mechanical retention in high-vibration environments without the need for reflow.

Frequently asked questions

Is the JST B2B-ZR obsolete or still active?

Active. No end-of-life notice is recorded for this part.

What is the pitch of the JST B2B-ZR?

0.059" (1.50 mm) pitch, single row, 2 positions.

What is the closest functional equivalent to the B2B-ZR?

The surface-mount version B2B-ZR-SM4-TFT is a drop-in electrical match (same pitch, positions, current, voltage, detent lock) but uses SMT termination with pick-and-place features. The through-hole B2B-ZR is preferred for hand-solder or high-vibration assemblies.