SM200PU1 Equivalent & Substitute Parts

Part Overview

The SM200PU1 is an 802.15.4 transceiver module manufactured by Synapse Wireless, designed for 2.4GHz wireless communication applications. This module integrates a chip antenna with U.FL connector for external antenna options and operates across a supply voltage range of 2V to 3.6V. The product is currently classified as obsolete, making identification of equivalent and substitute parts essential for ongoing system support and new design implementations.

Substiute Parts

SM200PU1

Synapse WirelessIn Stock: 1010SM200PU1 Datasheet

Current PartRFQ

SM200P81

Synapse WirelessIn Stock: 2810SM200P81 Datasheet

MFR RecommendedRFQ

SM220UF1

Synapse WirelessIn Stock: 1416SM220UF1 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the SM200PU1 is determined by the following core parameters:

Primary Compatibility Criteria:

• RF Standard: 802.15.4
• Frequency Band: 2.4GHz
• Modulation Support: O-QPSK capability
• Data Rate: 2Mbps minimum
• Memory Configuration: 128kB Flash minimum
• Voltage Supply Range: 2V ~ 3.6V compatibility
• Mounting Type: Surface Mount
• Operating Temperature Range: -40°C ~ 85°C minimum

Antenna Configuration Consideration: The SM200PU1 features an integrated chip antenna with U.FL connector. Substitute parts may vary in antenna implementation (chip only versus chip + U.FL), which affects physical integration but does not alter RF performance parameters.

Interface Compatibility: Serial interfaces (SPI, UART, I2C, JTAG) determine integration requirements. Substitutes must support at minimum the UART interface present in the original part.

Parameter Comparison

Engineering Selection Recommendations

SM200P81 Substitution: The SM200P81 maintains functional equivalence to the SM200PU1 across core RF parameters: identical 802.15.4 standard, 2.4GHz frequency, 2Mbps data rate, 3dBm output power, and -100dBm sensitivity. Both modules support 128kB Flash memory and operate across -40°C to 85°C. The SM200P81 is currently in active production status with ROHS3 compliance, providing supply continuity for obsolete SM200PU1 applications. Primary design consideration: the SM200P81 features chip antenna only (no U.FL connector), requiring PCB-level antenna design versus the SM200PU1's external antenna option.

SM220UF1 Substitution: The SM220UF1 provides enhanced RF performance characteristics while maintaining 802.15.4 compatibility. Key differences include increased power output (20dBm versus 3dBm), improved sensitivity (-103dBm versus -100dBm), and expanded serial interface support (I2C, JTAG, SPI, UART versus SPI, UART). The SM220UF1 retains the chip + U.FL antenna configuration matching the SM200PU1 physical integration. Current consumption is higher during transmission (55mA ~ 150mA versus 22.5mA), reflecting increased RF output capability. The SM220UF1 is active production status with ROHS3 compliance. This substitute is suitable for applications requiring extended range or higher transmit power.

Both substitute parts are manufactured by Synapse Wireless, share identical MSL ratings, and support the required operating temperature range.

Frequently Asked Questions (FAQ)

Q: Can SM200P81 directly replace SM200PU1 in existing designs? A: Functional RF compatibility exists. The primary design consideration is antenna implementation. SM200P81 uses integrated chip antenna only, while SM200PU1 includes U.FL connector for external antenna. Designs utilizing the U.FL connector for antenna switching or external antenna mounting require redesign for SM200P81 integration.

Q: What are the power consumption implications of SM220UF1 substitution? A: Transmit current increases significantly (55mA ~ 150mA versus 22.5mA), while receive current remains comparable (7.8mA ~ 22mA versus 20.5mA). System power budget analysis is required for battery-powered applications. The increased transmit power (20dBm versus 3dBm) provides extended communication range.

Q: Are voltage supply requirements identical across all three parts? A: SM200PU1 and SM220UF1 both specify 2V ~ 3.6V supply voltage. SM200P81 does not provide explicit voltage specification in available documentation. Design implementation should reference SM200P81 detailed datasheet for voltage requirements prior to substitution.

Q: Do all three parts support the same serial interfaces? A: No. SM200PU1 supports SPI and UART. SM200P81 supports UART only. SM220UF1 supports I2C, JTAG, SPI, and UART. Designs dependent on SPI interface cannot use SM200P81. Designs requiring I2C or JTAG must use SM220UF1.

Q: What is the impact of different antenna configurations on RF performance? A: All three parts operate at identical frequency (2.4GHz) and support 802.15.4 standard. Antenna type affects physical integration and external antenna options, not RF performance specifications. SM200P81 (chip antenna only) and SM220UF1 (chip + U.FL) provide different integration flexibility compared to SM200PU1.

Q: Are there compliance differences between the substitute parts and original? A: SM200PU1 carries RoHS Compliant status. Both SM200P81 and SM220UF1 carry ROHS3 Compliant status, representing updated compliance certification. All three parts share identical MSL rating (3, 168 Hours) and operating temperature range (-40°C ~ 85°C).