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The B4B-ZR is a 4-pin (1x4P) Wire-to-Board connector from JST's ZH series. It features a 1.5mm pitch, brass contacts with tin plating, and is designed for direct insert mounting. It supports a maximum current rating of 1A and a rated voltage of 50V, operating within a temperature range of -25℃ to +85℃.
Depending on your mounting requirements, several variations are available within the same series, including SMD versions for surface mount applications and specific lead-free (LF) or tin (SN) compliant versions.
B4B-ZR
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Specifications (Specs)
| Manufacturer | JST |
| Part Number | B4B-ZR |
| Product Type | Wire To Board Connector |
| RoHS | Yes |
| Package / Case | 插件,P=1.5mm |
| Stock | 3 |
| MOQ | 5 |
| Order Multiple | 5 |
| Packaging | Bag-packed |
| Factory Pack Quantity | 2000 |
| Pitch | 1.5mm |
| Colour | White |
| Row Spacing | - |
| Mounting Style | Direct Insert |
| Number of Pins | 4P |
| Number of Rows | 1 |
| Pins Structure | 1x4P |
| Contact Plating | Tin |
| Contact Material | Brass |
| Plastic Material | Glass Fiber Reinforced PA66 |
| Reference Series | ZH |
| Rated Voltage (Max) | 50V |
| Current Rating (Max) | 1A |
| Z-Height of the Board | 4.5mm |
| Flame Retardant Rating | UL94V-0 |
| Number of PINs Per Row | 4 |
| Supplementary Features | - |
| Operating Temperature Range | -25℃~+85℃ |
| Y-Width of Bottom Edge on Board | 3.5mm |
| X-Length of Bottom Edge on Board (Spacing Line) | 7.5mm |
Documents & Compliance
Datasheet (PDF)
RoHS: 
Alternative Parts & Cross Reference
B4B-ZR(LF)(SN) 1x4P 1 1.5mm 4 Brass Plugin,P=1.5mm Wire To Board / Wire To Wire Connector ROHS B4B-ZR-SM4-TFT(LF)(SN) 1x4P ZH 1 1.5mm Male pin 4 -25℃~+85℃ 1A Brick nogging SMD,P=1.5mm Wire To Board / Wire To Wire Connector ROHS B4B-ZR-SM4-TF(LF)(SN) 1x4P 1 1.5mm 4 Brass SMD,P=1.5mm Wire To Board / Wire To Wire Connector ROHS B4B-ZR-3.4(LF)(SN) 1x4P ZH 1 1.5mm 4 Brass Plugin,P=1.5mm Wire To Board / Wire To Wire Connector ROHS
Always verify package, pinout, electrical limits, and datasheets before approving a substitute.
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Component Summary
B4B-ZR by JST — Wire To Board Connector; 插件,P=1.5mm package.
- Manufacturer
- JST
- Product Type
- Wire To Board Connector
- Package
- 插件,P=1.5mm