Single‑channel phototransistor optocoupler with base lead in a PDIP‑6 SMD (gull‑wing) package. Provides 2.5 kVrms input‑output isolation, 30 V VCEO, CTR ≥20% at IF=10 mA, and 3 µs typical rise/fall times. Operating temperature −55 to +100 °C. Safety approvals include UL, TÜV, and DEMKO.
MountingSurface-mount, PDIP-6 gull‑wing leads
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Technical Specifications
Lite-On Inc. 4N25S technical specifications.
General
| Isolation voltage (1 min AC, 40–60% RH) | 2500Vrms |
| Number of channels | 1 |
| Output type | NPN phototransistor with base |
| Collector–Emitter voltage (VCEO) | 30V |
| Collector–Base voltage (VCBO) | 70V |
| Emitter–Collector voltage (VECO) | 7V |
| Collector current (IC) max | 100mA |
| Total power dissipation (Ptot) max | 250mW |
| Collector power dissipation (PC) max | 150mW |
| Input forward current (IF) max | 80mA |
| Input reverse voltage (VR) max | 6V |
| Forward voltage (VF) typ @ IF=10 mA | 1.2V |
| Forward voltage (VF) max @ IF=10 mA | 1.5V |
| Current Transfer Ratio (CTR) min @ IF=10 mA, VCE=10 V | 20% |
| Collector–Emitter saturation voltage VCE(sat) typ/max @ IF=50 mA, IC=2 mA | 0.1 / 0.5V |
| Rise time (tr) typ @ VCE=10 V, IC=2 mA, RL=100 Ω | 3µs |
| Fall time (tf) typ @ VCE=10 V, IC=2 mA, RL=100 Ω | 3µs |
| Isolation resistance (DC 500 V, 40–60% RH) | ≥5×10^10 (typ 1×10^11)Ω |
| Input terminal capacitance (Ct) typ | 50pF |
| Floating (input–output) capacitance (Cf) typ | 1pF |
| Operating temperature range (Topr) | -55 to +100°C |
| Storage temperature range (Tstg) | -55 to +150°C |
| Soldering temperature (10 s max) | 260°C |
| Package dimensions (L × W × H) | 7.3 × 6.5 × 3.5mm |
| Mounting | Surface-mount, PDIP-6 gull‑wing leads |
Compliance
| Ul Recognition | E113898 |
| Tüv Approval | R9653630 |
| Demko Approval | 303985 |
| RoHS | Compliant |
| Export Control | EAR99 |
Datasheet
Lite-On Inc. 4N25S Datasheet
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