The 977431-E3SB8E0000003E is a MHz crystal from Hosonic Electronic Co., Ltd. Bold the product name (e.g., BAV99S,135 → 977431-E3SB8E0000003E) and manufacturer (e.g., Nexperia USA Inc. → Hosonic Electronic Co., Ltd.).

• Mounting Type: Surface Mount
• Package Dimensions: 0.126" L x 0.098" W (3.20mm x 2.50mm)
• Seated Height: 0.030" (0.75mm)
• Mode: Fundamental
• Frequency: 8 MHz
• ESR: 500 Ohms
• Frequency Stability and Tolerance: ±30ppm
• Load Capacitance: 10pF
• Operating Temperature Range: -30°C to 85°C
• REACH: Unaffected
• ECCN: EAR99
• Other Names: 3186-E3SB8E0000003ECT, 3186-E3SB8E0000003EDKR, and 3186-E3SB8E0000003ETR