| Part Number | B4B-ZR-SM4-TFT(LF)(SN) | B4B-ZR-SM4-TF(LF)(SN) | 
|---|---|---|
| Manufacturer | JST Sales America Inc. | JST Sales America Inc. | 
| Category | Rectangular Connectors - Headers, Male Pins | Rectangular Connectors - Headers, Male Pins | 
|   |   | |
| Product Status | Active | Active | 
| Connector Type | Header | Header | 
| Contact Type | Male Pin | Male Pin | 
| Pitch - Mating | 0.059" (1.50mm) | 0.059" (1.50mm) | 
| Number of Positions | 4 | 4 | 
| Number of Rows | 1 | 1 | 
| Row Spacing - Mating | - | - | 
| Number of Positions Loaded | All | All | 
| Style | Board to Cable/Wire | Board to Cable/Wire | 
| Shrouding | Shrouded - 4 Wall | Shrouded - 4 Wall | 
| Mounting Type | Surface Mount | Surface Mount | 
| Termination | Solder | Solder | 
| Fastening Type | Detent Lock | Detent Lock | 
| Contact Length - Mating | - | - | 
| Contact Length - Post | - | - | 
| Overall Contact Length | - | - | 
| Insulation Height | 0.197" (5.00mm) | 0.197" (5.00mm) | 
| Contact Shape | Circular | Circular | 
| Contact Finish - Mating | Tin | Tin | 
| Contact Finish Thickness - Mating | - | - | 
| Contact Finish - Post | Tin | Tin | 
| Contact Material | Brass | Brass | 
| Insulation Material | Polyamide (PA6T), Nylon 6T, Glass Filled | Polyamide (PA6T), Nylon 6T, Glass Filled | 
| Features | Pick and Place, Solder Retention | Solder Retention | 
| Operating Temperature | -25°C ~ 85°C | -25°C ~ 85°C | 
| Ingress Protection | - | - | 
| Material Flammability Rating | UL94 V-0 | UL94 V-0 | 
| Insulation Color | Natural | Natural | 
| Current Rating (Amps) | 1A | 1A | 
| Voltage Rating | 50V | 50V |