Tongke Electronic Co., Ltd. is one of the most reliable manufacturers and suppliers of ll-34 zener diodes in China. Please feel free to wholesale durable ll-34 zener diodes for sale here from our factory. All products are with high quality and low price. For quotation, contact us now.
CTK LL-34 Zener Diode - High Performance Manufacturer & Wholesale
Products Description

| Type Number | Pd mW | Vznom | VZMi (V) | VZMax (V) | IR @ VR (uA) Max. | VR (Volts) | Package Outline | MPQ |
| ZMM2V0 | 500 | 2 | 1.9 | 2.1 | 100 | 1 | LL-34 | 2500 |
| ZMM2V2 | 500 | 2.2 | 2.09 | 2.31 | 75 | 1 | LL-34 | 2500 |
| ZMM2V4 | 500 | 2.4 | 2.28 | 2.52 | 50 | 1 | LL-34 | 2500 |
| ZMM2V7 | 500 | 2.7 | 2.565 | 2.835 | 10 | 1 | LL-34 | 2500 |
| ZMM3V0 | 500 | 3 | 2.85 | 3.15 | 4 | 1 | LL-34 | 2500 |
| ZMM3V3 | 500 | 3.3 | 3.135 | 3.465 | 2 | 1 | LL-34 | 2500 |
| ZMM3V6 | 500 | 3.6 | 3.42 | 3.78 | 2 | 1 | LL-34 | 2500 |
| ZMM3V9 | 500 | 3.9 | 3.705 | 4.095 | 2 | 1 | LL-34 | 2500 |
| ZMM4V3 | 500 | 4.3 | 4.085 | 4.515 | 1 | 1 | LL-34 | 2500 |
| ZMM4V7 | 500 | 4.7 | 4.465 | 4.935 | 0.5 | 1 | LL-34 | 2500 |
| ZMM5V1 | 500 | 5.1 | 4.845 | 5.355 | 0.1 | 1 | LL-34 | 2500 |
| ZMM5V6 | 500 | 5.6 | 5.32 | 5.88 | 0.1 | 1 | LL-34 | 2500 |
| ZMM6V2 | 500 | 6.2 | 5.89 | 6.51 | 0.1 | 2 | LL-34 | 2500 |
| ZMM6V8 | 500 | 6.8 | 6.46 | 7.14 | 0.1 | 3 | LL-34 | 2500 |
| ZMM7V5 | 500 | 7.5 | 7.125 | 7.875 | 0.1 | 5 | LL-34 | 2500 |
| ZMM8V2 | 500 | 8.2 | 7.79 | 8.61 | 0.1 | 6.2 | LL-34 | 2500 |
| ZMM9V1 | 500 | 9.1 | 8.645 | 9.555 | 0.1 | 6.8 | LL-34 | 2500 |
| ZMM10 | 500 | 10 | 9.5 | 10.5 | 0.1 | 7.5 | LL-34 | 2500 |
| ZMM11 | 500 | 11 | 10.45 | 11.55 | 0.1 | 8.2 | LL-34 | 2500 |
| ZMM12 | 500 | 12 | 11.4 | 12.6 | 0.1 | 9.1 | LL-34 | 2500 |
| ZMM13 | 500 | 13 | 12.35 | 13.65 | 0.1 | 10 | LL-34 | 2500 |
| ZMM15 | 500 | 15 | 14.25 | 15.75 | 0.1 | 11 | LL-34 | 2500 |
| ZMM16 | 500 | 16 | 15.2 | 16.8 | 0.1 | 12 | LL-34 | 2500 |
| ZMM18 | 500 | 18 | 17.1 | 18.9 | 0.1 | 13 | LL-34 | 2500 |
| ZMM20 | 500 | 20 | 19 | 21 | 0.1 | 15 | LL-34 | 2500 |
| ZMM22 | 500 | 22 | 20.9 | 23.1 | 0.1 | 16 | LL-34 | 2500 |
| ZMM24 | 500 | 24 | 22.8 | 25.2 | 0.1 | 18 | LL-34 | 2500 |
| ZMM27 | 500 | 27 | 25.65 | 28.35 | 0.1 | 20 | LL-34 | 2500 |
| ZMM30 | 500 | 30 | 28.5 | 31.5 | 0.1 | 22 | LL-34 | 2500 |
| ZMM33 | 500 | 33 | 31.35 | 34.65 | 0.1 | 24 | LL-34 | 2500 |
| ZMM36 | 500 | 36 | 34.2 | 37.8 | 0.1 | 27 | LL-34 | 2500 |
| ZMM39 | 500 | 39 | 37.05 | 40.95 | 0.1 | 30 | LL-34 | 2500 |
| ZMM43 | 500 | 43 | 40.85 | 45.15 | 0.1 | 33 | LL-34 | 2500 |
| ZMM47 | 500 | 47 | 44.65 | 49.35 | 0.1 | 36 | LL-34 | 2500 |
| ZMM51 | 500 | 51 | 48.45 | 53.55 | 0.1 | 39 | LL-34 | 2500 |
| ZMM56 | 500 | 56 | 53.2 | 58.8 | 0.1 | 43 | LL-34 | 2500 |
| ZMM62 | 500 | 62 | 58.9 | 65.1 | 0.1 | 47 | LL-34 | 2500 |
| ZMM68 | 500 | 68 | 64.6 | 71.4 | 0.1 | 51 | LL-34 | 2500 |
| ZMM75 | 500 | 75 | 71.25 | 78.75 | 0.1 | 56 | LL-34 | 2500 |
| ZMM2B0 | 500 | 2 | 1.96 | 2.04 | 100 | 1 | LL-34 | 2500 |
| ZMM2B2 | 500 | 2.2 | 2.16 | 2.24 | 75 | 1 | LL-34 | 2500 |
| ZMM2B4 | 500 | 2.4 | 2.35 | 2.45 | 50 | 1 | LL-34 | 2500 |
| ZMM2B7 | 500 | 2.7 | 2.65 | 2.75 | 10 | 1 | LL-34 | 2500 |
| ZMM3B0 | 500 | 3 | 2.94 | 3.06 | 4 | 1 | LL-34 | 2500 |
| ZMM3B3 | 500 | 3.3 | 3.23 | 3.37 | 2 | 1 | LL-34 | 2500 |
| ZMM3B6 | 500 | 3.6 | 3.53 | 3.67 | 2 | 1 | LL-34 | 2500 |
| ZMM3B9 | 500 | 3.9 | 3.82 | 3.98 | 2 | 1 | LL-34 | 2500 |
| ZMM4B3 | 500 | 4.3 | 4.21 | 4.39 | 1 | 1 | LL-34 | 2500 |
| ZMM4B7 | 500 | 4.7 | 4.61 | 4.79 | 0.5 | 1 | LL-34 | 2500 |
| ZMM5B1 | 500 | 5.1 | 5 | 5.2 | 0.1 | 1 | LL-34 | 2500 |
| ZMM5B6 | 500 | 5.6 | 5.49 | 5.71 | 0.1 | 1 | LL-34 | 2500 |
| ZMM6B2 | 500 | 6.2 | 6.08 | 6.32 | 0.1 | 2 | LL-34 | 2500 |
| ZMM6B8 | 500 | 6.8 | 6.66 | 6.94 | 0.1 | 3 | LL-34 | 2500 |
| ZMM7B5 | 500 | 7.5 | 7.35 | 7.65 | 0.1 | 5 | LL-34 | 2500 |
| ZMM8B2 | 500 | 8.2 | 8.04 | 8.36 | 0.1 | 6.2 | LL-34 | 2500 |
| ZMM9B1 | 500 | 9.1 | 8.92 | 9.28 | 0.1 | 6.8 | LL-34 | 2500 |
| ZMM10B | 500 | 10 | 9.8 | 10.2 | 0.1 | 7.5 | LL-34 | 2500 |
| ZMM11B | 500 | 11 | 10.78 | 11.22 | 0.1 | 8.2 | LL-34 | 2500 |
| ZMM12B | 500 | 12 | 11.76 | 12.24 | 0.1 | 9.1 | LL-34 | 2500 |
| ZMM13B | 500 | 13 | 12.74 | 13.26 | 0.1 | 10 | LL-34 | 2500 |
| ZMM15B | 500 | 15 | 14.7 | 15.3 | 0.1 | 11 | LL-34 | 2500 |
| ZMM16B | 500 | 16 | 15.68 | 16.32 | 0.1 | 12 | LL-34 | 2500 |
| ZMM18B | 500 | 18 | 17.64 | 18.36 | 0.1 | 13 | LL-34 | 2500 |
| ZMM20B | 500 | 20 | 19.6 | 20.4 | 0.1 | 15 | LL-34 | 2500 |
| ZMM22B | 500 | 22 | 21.56 | 22.44 | 0.1 | 16 | LL-34 | 2500 |
| ZMM24B | 500 | 24 | 23.52 | 24.48 | 0.1 | 18 | LL-34 | 2500 |
| ZMM27B | 500 | 27 | 26.46 | 27.54 | 0.1 | 20 | LL-34 | 2500 |
| ZMM30B | 500 | 30 | 29.4 | 30.6 | 0.1 | 22 | LL-34 | 2500 |
| ZMM33B | 500 | 33 | 32.34 | 33.66 | 0.1 | 24 | LL-34 | 2500 |
| ZMM36B | 500 | 36 | 35.28 | 36.72 | 0.1 | 27 | LL-34 | 2500 |
| ZMM39B | 500 | 39 | 38.22 | 39.78 | 0.1 | 30 | LL-34 | 2500 |
| ZMM43B | 500 | 43 | 42.14 | 43.86 | 0.1 | 33 | LL-34 | 2500 |
| ZMM47B | 500 | 47 | 46.06 | 47.94 | 0.1 | 36 | LL-34 | 2500 |
| ZMM51B | 500 | 51 | 49.98 | 52.02 | 0.1 | 39 | LL-34 | 2500 |
| ZMM56B | 500 | 56 | 54.88 | 57. 12 | 0.1 | 43 | LL-34 | 2500 |
| ZMM62B | 500 | 62 | 60.76 | 63.24 | 0.1 | 47 | LL-34 | 2500 |
| ZMM68B | 500 | 68 | 66.64 | 69.36 | 0.1 | 51 | LL-34 | 2500 |
| Part Number | Power (mW) | Vz (V) | Vz Min (V) | Vz Max (V) | Ir (uA) | Iz (mA) | Package | SPQ |
| ZMM2V0 | 500 | 2 | 1.9 | 2.1 | 100 | 1 | LL-34 | 2500 |
| ZMM2V2 | 500 | 2.2 | 2.09 | 2.31 | 75 | 1 | LL-34 | 2500 |
| ZMM2V4 | 500 | 2.4 | 2.28 | 2.52 | 50 | 1 | LL-34 | 2500 |
| ZMM2V7 | 500 | 2.7 | 2.565 | 2.835 | 10 | 1 | LL-34 | 2500 |
| ZMM3V0 | 500 | 3 | 2.85 | 3.15 | 4 | 1 | LL-34 | 2500 |
| ZMM3V3 | 500 | 3.3 | 3.135 | 3.465 | 2 | 1 | LL-34 | 2500 |
| ZMM3V6 | 500 | 3.6 | 3.42 | 3.78 | 2 | 1 | LL-34 | 2500 |
| ZMM3V9 | 500 | 3.9 | 3.705 | 4.095 | 2 | 1 | LL-34 | 2500 |
| ZMM4V3 | 500 | 4.3 | 4.085 | 4.515 | 1 | 1 | LL-34 | 2500 |
| ZMM4V7 | 500 | 4.7 | 4.465 | 4.935 | 0.5 | 1 | LL-34 | 2500 |
| ZMM5V1 | 500 | 5.1 | 4.845 | 5.355 | 0.1 | 1 | LL-34 | 2500 |
| ZMM5V6 | 500 | 5.6 | 5.32 | 5.88 | 0.1 | 1 | LL-34 | 2500 |
| ZMM6V2 | 500 | 6.2 | 5.89 | 6.51 | 0.1 | 2 | LL-34 | 2500 |
| ZMM6V8 | 500 | 6.8 | 6.46 | 7.14 | 0.1 | 3 | LL-34 | 2500 |
| ZMM7V5 | 500 | 7.5 | 7.125 | 7.875 | 0.1 | 5 | LL-34 | 2500 |
| ZMM8V2 | 500 | 8.2 | 7.79 | 8.61 | 0.1 | 6.2 | LL-34 | 2500 |
| ZMM9V1 | 500 | 9.1 | 8.645 | 9.555 | 0.1 | 6.8 | LL-34 | 2500 |
| ZMM10 | 500 | 10 | 9.5 | 10.5 | 0.1 | 7.5 | LL-34 | 2500 |
| ZMM11 | 500 | 11 | 10.45 | 11.55 | 0.1 | 8.2 | LL-34 | 2500 |
| ZMM12 | 500 | 12 | 11.4 | 12.6 | 0.1 | 9.1 | LL-34 | 2500 |
| ZMM13 | 500 | 13 | 12.35 | 13.65 | 0.1 | 10 | LL-34 | 2500 |
| ZMM15 | 500 | 15 | 14.25 | 15.75 | 0.1 | 11 | LL-34 | 2500 |
| ZMM16 | 500 | 16 | 15.2 | 16.8 | 0.1 | 12 | LL-34 | 2500 |
| ZMM18 | 500 | 18 | 17.1 | 18.9 | 0.1 | 13 | LL-34 | 2500 |
| ZMM20 | 500 | 20 | 19 | 21 | 0.1 | 15 | LL-34 | 2500 |
| ZMM22 | 500 | 22 | 20.9 | 23.1 | 0.1 | 16 | LL-34 | 2500 |
| ZMM24 | 500 | 24 | 22.8 | 25.2 | 0.1 | 18 | LL-34 | 2500 |
| ZMM27 | 500 | 27 | 25.65 | 28.35 | 0.1 | 20 | LL-34 | 2500 |
| ZMM30 | 500 | 30 | 28.5 | 31.5 | 0.1 | 22 | LL-34 | 2500 |
| ZMM33 | 500 | 33 | 31.35 | 34.65 | 0.1 | 24 | LL-34 | 2500 |
| ZMM36 | 500 | 36 | 34.2 | 37.8 | 0.1 | 27 | LL-34 | 2500 |
| ZMM39 | 500 | 39 | 37.05 | 40.95 | 0.1 | 30 | LL-34 | 2500 |
| ZMM43 | 500 | 43 | 40.85 | 45.15 | 0.1 | 33 | LL-34 | 2500 |
| ZMM47 | 500 | 47 | 44.65 | 49.35 | 0.1 | 36 | LL-34 | 2500 |
| ZMM51 | 500 | 51 | 48.45 | 53.55 | 0.1 | 39 | LL-34 | 2500 |
| ZMM56 | 500 | 56 | 53.2 | 58.8 | 0.1 | 43 | LL-34 | 2500 |
| ZMM62 | 500 | 62 | 58.9 | 65.1 | 0.1 | 47 | LL-34 | 2500 |
| ZMM68 | 500 | 68 | 64.6 | 71.4 | 0.1 | 51 | LL-34 | 2500 |
| ZMM75 | 500 | 75 | 71.25 | 78.75 | 0.1 | 56 | LL-34 | 2500 |
| ZMM2B0 | 500 | 2 | 1.96 | 2.04 | 100 | 1 | LL-34 | 2500 |
| ZMM2B2 | 500 | 2.2 | 2.16 | 2.24 | 75 | 1 | LL-34 | 2500 |
| ZMM2B4 | 500 | 2.4 | 2.35 | 2.45 | 50 | 1 | LL-34 | 2500 |
| ZMM2B7 | 500 | 2.7 | 2.65 | 2.75 | 10 | 1 | LL-34 | 2500 |
| ZMM3B0 | 500 | 3 | 2.94 | 3.06 | 4 | 1 | LL-34 | 2500 |
| ZMM3B3 | 500 | 3.3 | 3.23 | 3.37 | 2 | 1 | LL-34 | 2500 |
| ZMM3B6 | 500 | 3.6 | 3.53 | 3.67 | 2 | 1 | LL-34 | 2500 |
| ZMM3B9 | 500 | 3.9 | 3.82 | 3.98 | 2 | 1 | LL-34 | 2500 |
| ZMM4B3 | 500 | 4.3 | 4.21 | 4.39 | 1 | 1 | LL-34 | 2500 |
| ZMM4B7 | 500 | 4.7 | 4.61 | 4.79 | 0.5 | 1 | LL-34 | 2500 |
| ZMM5B1 | 500 | 5.1 | 5 | 5.2 | 0.1 | 1 | LL-34 | 2500 |
| ZMM5B6 | 500 | 5.6 | 5.49 | 5.71 | 0.1 | 1 | LL-34 | 2500 |
| ZMM6B2 | 500 | 6.2 | 6.08 | 6.32 | 0.1 | 2 | LL-34 | 2500 |
| ZMM6B8 | 500 | 6.8 | 6.66 | 6.94 | 0.1 | 3 | LL-34 | 2500 |
| ZMM7B5 | 500 | 7.5 | 7.35 | 7.65 | 0.1 | 5 | LL-34 | 2500 |
| ZMM8B2 | 500 | 8.2 | 8.04 | 8.36 | 0.1 | 6.2 | LL-34 | 2500 |
| ZMM9B1 | 500 | 9.1 | 8.92 | 9.28 | 0.1 | 6.8 | LL-34 | 2500 |
| ZMM10B | 500 | 10 | 9.8 | 10.2 | 0.1 | 7.5 | LL-34 | 2500 |
| ZMM11B | 500 | 11 | 10.78 | 11.22 | 0.1 | 8.2 | LL-34 | 2500 |
| ZMM12B | 500 | 12 | 11.76 | 12.24 | 0.1 | 9.1 | LL-34 | 2500 |
| ZMM13B | 500 | 13 | 12.74 | 13.26 | 0.1 | 10 | LL-34 | 2500 |
| ZMM15B | 500 | 15 | 14.7 | 15.3 | 0.1 | 11 | LL-34 | 2500 |
| ZMM16B | 500 | 16 | 15.68 | 16.32 | 0.1 | 12 | LL-34 | 2500 |
| ZMM18B | 500 | 18 | 17.64 | 18.36 | 0.1 | 13 | LL-34 | 2500 |
| ZMM20B | 500 | 20 | 19.6 | 20.4 | 0.1 | 15 | LL-34 | 2500 |
| ZMM22B | 500 | 22 | 21.56 | 22.44 | 0.1 | 16 | LL-34 | 2500 |
| ZMM24B | 500 | 24 | 23.52 | 24.48 | 0.1 | 18 | LL-34 | 2500 |
| ZMM27B | 500 | 27 | 26.46 | 27.54 | 0.1 | 20 | LL-34 | 2500 |
| ZMM30B | 500 | 30 | 29.4 | 30.6 | 0.1 | 22 | LL-34 | 2500 |
| ZMM33B | 500 | 33 | 32.34 | 33.66 | 0.1 | 24 | LL-34 | 2500 |
| ZMM36B | 500 | 36 | 35.28 | 36.72 | 0.1 | 27 | LL-34 | 2500 |
| ZMM39B | 500 | 39 | 38.22 | 39.78 | 0.1 | 30 | LL-34 | 2500 |
| ZMM43B | 500 | 43 | 42.14 | 43.86 | 0.1 | 33 | LL-34 | 2500 |
| ZMM47B | 500 | 47 | 46.06 | 47.94 | 0.1 | 36 | LL-34 | 2500 |
| ZMM51B | 500 | 51 | 49.98 | 52.02 | 0.1 | 39 | LL-34 | 2500 |
| ZMM56B | 500 | 56 | 54.88 | 57. 12 | 0.1 | 43 | LL-34 | 2500 |
| ZMM62B | 500 | 62 | 60.76 | 63.24 | 0.1 | 47 | LL-34 | 2500 |
| ZMM68B | 500 | 68 | 66.64 | 69.36 | 0.1 | 51 | LL-34 | 2500 |
Features / Advantages
- Superior Power Density: The compact LL-34 format allows for higher power handling in a smaller footprint, ideal for modern miniaturized electronics.
- Robust Construction: Built with high-quality lead frames and molding compounds to withstand mechanical stress and thermal cycling.
- High Speed Performance: Optimized internal geometry enables fast switching/response, making these Zener Diode parts perfect for high-frequency applications.
- Enhanced Reliability: Our factory implements strict HTRB (High Temperature Reverse Bias) testing to guarantee long-term field reliability.
- Optimized for Wholesale Distribution: Available in standard tape-and-reel packaging for efficient handling and large-scale manufacturing.
- Global Certification: CTK's manufacturing facility is ISO9001 certified, ensuring international standards of quality management.

Reliability and Certification
Quality and reliability are never compromised at CTK. Our LL-34 Zener Diode manufacturing line is equipped with the latest optical inspection and automated test equipment. We perform periodic reliability audits, including long-term life testing and ESD sensitivity analysis. By adhering to strict international standards, our factory ensures that every Zener Diode in the LL-34 package meets or exceeds customer expectations. For our wholesale partners, this means fewer field failures and lower warranty costs. Our commitment to continuous improvement (Kaizen) drives us to constantly enhance our materials and processes, making CTK a trusted name in high-reliability semiconductor components.
Applications
- Consumer Electronics: Ideal for smartphones, tablets, and laptops where space is at a premium and high efficiency is required.
- Power Supplies: Widely used in AC-DC adapters and DC-DC converters for voltage regulation and protection.
- Industrial Automation: Critical for PLC systems, sensor interfaces, and motor control circuits in factory environments.
- Telecommunications: Protects and manages signals in networking equipment, base stations, and high-speed data lines.
- Automotive Systems: Suitable for infotainment, body control modules, and lighting systems in modern vehicles.

FAQ
Q: How does CTK ensure the performance of its LL-34 Zener Diode?
A: Every batch undergoes 100% electrical testing, including leakage current and surge tests, in our state-of-the-art factory. We also perform periodic reliability testing like HTRB to ensure long-term stability in the field.
Q: What is the typical lead time for wholesale Zener Diode orders?
A: For standard LL-34 Zener Diode orders, our factory typically maintains a lead time of 2-4 weeks. This allows for thorough quality testing and logistics preparation to ensure your components arrive in perfect condition.
Q: Are CTK LL-34 components compliant with international environmental standards?
A: Yes, all our Zener Diode products are fully RoHS and REACH compliant. We are committed to green manufacturing and ensure that no hazardous substances are used in our production processes.
Q: Can CTK provide customized Zener Diode specifications?
A: Yes, as a professional manufacturer, we can customize parameters such as breakdown voltage, current ratings, and packaging marking. Please provide your specific requirements to our technical team for a feasibility review.
About CTK
Founded on the principles of quality and innovation, CTK has grown into a premier manufacturer of high-performance electronic components. Our diverse product portfolio, including the LL-34 Zener Diode series, is trusted by leading technology companies worldwide. At our factory, we emphasize sustainable manufacturing and continuous technological advancement. We pride ourselves on our ability to offer high-volume wholesale supply while maintaining the personal touch of a dedicated technical support team. Whether you are a small startup or a Fortune 500 company, CTK has the expertise and capacity to support your most ambitious projects. Join the thousands of satisfied customers who rely on CTK for their semiconductor needs.
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