PCF7936AS vs QQ9937 Karşılaştırma
Ayrıntılı yan yana karşılaştırma PCF7936AS tarafından NXP Semiconductors ve QQ9937 tarafından BeldenAnahtar özellikleri, elektriksel parametreleri, ambalajı, yaşam döngüsü durumu, fiyatlandırma ve mevcudiyeti karşılaştırarak tasarım gereksinimleriniz için en iyi bileşeni belirleyin.
Özellik Karşılaştırması
| Parametre | PCF7936AS | QQ9937 |
|---|---|---|
| Marka | NXP Semiconductors | Belden |
| Kategori | RF Modules | Cables & Wires |
| Yaşam Döngüsü Durumu | Aktif | Aktif |
| Product Type | Security Transponder (HITAG 2) | Fast Ethernet Cat5e Data Single-Ended Cordset |
| Carrier Frequency | 125 kHz | — |
| Protocol | HITAG 2 with mutual authentication | — |
| User Memory | 256 bits (32 x 8 bits) | — |
| Transaction Time | 39 ms (typical) | — |
| Power Supply | Derived from LF magnetic field (passive, no battery) | — |
| Package Type | SOT-385-1 (glass-encapsulated transponder) | — |
| Mounting Form | Embedded in key head / plastic overmold | — |
| Authentication Type | Mutual (challenge-response, rolling code) | — |
| Read/Write | Read/Write | — |
| İşletim Sıcaklığı | -40C to +85C (industrial / automotive) | -30C to +75C |
| Storage Temperature | [DATA_NEEDED: storage temperature] | — |
| ESD Rating | [DATA_NEEDED: ESD rating] | — |
| Encryption Algorithm | HITAG 2 proprietary stream cipher | — |
| Target Application | Automotive immobilizer, RKE, access control | — |
| RoHS Durumu | Compliant | Compliant |
| REACH Status | Compliant | — |
| Manufacturer | — | Belden Inc. |
| Cable Category | — | Cat5e |
| Conductor Size | — | 24-25 AWG |
| Conductor Material | — | Tinned Copper |
| Insulation Material | — | FPE (Foamed Polyethylene) |
| Shield Type | — | Aluminum/Mylar Foil + Tinned Copper Braid (overall) |
| Jacket Material | — | PVC |
| Jacket Rating | — | CM |
| Nominal Characteristic Impedance | — | 100 ohms |
| Bandwidth Rating | — | 100 MHz |
| Capacitance (typical) | — | 13 pF/ft |
| Cable Family | — | DataTuff / Industrial Ethernet |