ZHCSNY7 September 2023 THVD1330
PRODUCTION DATA
To protect bus nodes against high-energy transients, the implementation of external transient protection devices is necessary. Figure 9-3 suggest a protection circuit against 1 kV surge (IEC 61000-4-5) transients. Table 9-1 shows the associated Bill of Materials.
Figure 9-3 Transient
Protection Against ESD, EFT, and Surge Transients for Half-Duplex
Devices| DEVICE | FUNCTION | ORDER NUMBER | MANUFACTURER(1) |
|---|---|---|---|
| XCVR | RS-485 transceiver | THVD1330 | TI |
| R1 | 10-Ω, pulse-proof thick-film resistor | CRCW0603010RJNEAHP | Vishay |
| R2 | |||
| TVS | Bidirectional 400-W transient suppressor | CDSOT23-SM712 | Bourns |