| Distributor | SKU | Stock | Cost | |
|---|---|---|---|---|
| DigiKey | IS281-4TR-ND | 2000 | $0.53 | Buy |
| DigiKey | IS281-4DKR-ND | 16853 | $1.70 | Buy |
| RS Components (APAC) | IS281-4 | $120.89 | Buy | |
| Ameya360 | IS281-4 | 1748 | Buy | |
| Win Source | IS281-4 | 240360 | $0.66 | Buy |
| Utmel | IS281-4 | 27402 | $0.84 | Buy |
| Newark | IS281-4 | $1.56 | Buy | |
| Verical Marketplace | IS281-4 | 2001 | $1.04 | Buy |
| TME | IS281-4 | 1528 | $1.22 | Buy |
| RS Components | IS281-4 | $48.00 | Buy | |
| Arrow North American Components | IS281-4 | 0 | $1.64 | Buy |
| Future Electronics | IS281-4 | 2000 | $0.49 | Buy |
| Rutronik | IS281-4 | 2000 | $0.85 | Buy |
SOIC-16 SMT Quad Channel 80 V 50 mA 3750 Vrms Phototransistor Optocoupler