1N4678

Certificate TH97/10561QM Certificate TW00/17276EM 1N4678 - 1N4717 VZ : 1.8 - 43 V PD : 500 mW FEATURES : * Zener voltage specified at 50 µA * Maximum delta V Z given from 10 µA to 100 µA * Very high stability * Low noise * Pb / RoHS Free ZENER DIODES DO - 35 Glass (DO-204AH) 0.079(2.0 )max. 1.00 (25.4) min. Cathode Mark 0.150 (3.8) max. 0.020 (0.52)max. 1.00 (25.4) min. MECHANICAL DATA : Case: DO-35 Glass Case Weight: approx. 0.13g Dimensions in inches and ( millimeters ) Maximum Ratings and Thermal Characteristics Rating at 25 °C ambient temperature unless otherwise specifie Parameter Power Dissipation at TL ≤ 50 °C (Note1) Maximum Forward Voltage at I F = 200 mA Thermal Resistance Junction to Ambient Thermal Resistance Junction to Lead Operating and Storage Temperature Range Note : Symbol PD VF RӨJA RӨJL TJ, TSTG Value 500 1.1 310 250 -65 to + 175 Unit mW V °C/W °C/W °C (1) At 3/8" (10 mm) lead length from body, when mounted on FR4 PC board as described for thermal resistance. Page 1 of 3 Rev. 01 : August 16, 2006 Certificate TH97/10561QM Certificate TW00/17276EM Electrical Characteristics (Rating at 25 °C ambient temperature unless otherwise specified) Type No. (Note 1) 1N4678 1N4679 1N4680 1N4681 1N4682 1N4683 1N4684 1N4685 1N4686 1N4687 1N4688 1N4689 1N4690 1N4691 1N4692 1N4693 1N4694 1N4695 1N4696 1N4697 1N4698 1N4699 1N4700 1N4701 1N4702 1N4703 1N4704 1N4705 1N4706 1N4707 1N4708 1N4709 1N4710 1N4711 1N4712 1N4713 1N4714 1N4715 1N4716 1N4717 Nominal Zener Voltage(3) VZ @ I ZT (V) 1.8 2.0 2.2 2.4 2.7 3.0 3.3 3.6 3.9 4.3 4.7 5.1 5.6 6.2 6.8 7.5 8.2 8.7 9.1 10 11 12 13 14 15 16 17 18 19 20 22 24 25 27 28 30 33 36 39 43 Zener Test Current IZT µA 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 Max. Voltage Regulation ΔVZ (V) (2, 3) Max. Reverse Leakage Current IR (μA) 7.5 5.0 4.0 2.0 1.0 0.8 7.5 7.5 5.0 4.0 10 10 10 10 10 10 1.0 1.0 1.0 1.0 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 Max. Zener Current IZM (mA) 240 220 200 190 180 170 160 150 140 130 120 110 100 90 70 63.6 58.0 54.8 52.4 49.6 43.2 40.8 38.0 35.0 32.6 30.8 29.0 26.4 25.0 23.8 21.6 19.8 19.0 17.6 17.0 15.8 14.4 13.2 12.2 11.0 (2) @ VR (V) 1.0 1.0 1.0 1.0 1.0 1.0 1.5 2.0 2.0 2.0 3.0 3.0 4.0 5.0 5.1 5.7 6.2 6.6 6.9 7.6 8.4 9.1 9.8 10.6 11.4 12.1 12.9 13.6 14.4 15.2 16.7 18.2 19.0 20.4 21.2 22.8 25.0 27.3 29.6 32.6 0.70 0.70 0.75 0.80 0.85 0.90 0.95 0.95 0.97 0.99 0.99 0.97 0.96 0.95 0.90 0.75 0.50 0.10 0.08 0.10 0.11 0.12 0.13 0.14 0.15 0.16 0.17 0.18 0.19 0.20 0.22 0.24 0.25 0.27 0.28 0.30 0.33 0.36 0.39 0.43 Notes : (1) The type numbers shown have a standard tolerance of± 5 % on the nominal zener voltage. (2) ΔVZ @ 100 µA minus VZ @ 10 µA (3) The electrical characteristics are measured after allowing the device to stabilize for 20 seconds when mounted with 3/8" minimum lead length from the base. Page 2 of 3 Rev. 01 : August 16, 2006 Certificate TH97/10561QM Certificate TW00/17276EM RATING AND CHARACTERISTIC CURVES ( 1N4678 - 1N4717 ) FIG.1 - POWER DERATING CURVE FIG.2 - ZENER VOLTAGE TEMPERATURE COEFFICIENT VS. ZENER VOLTAGE 500 0.10 TEMPERATURE COEFFICIENT, (%/°C) 0 50 100 150 200 RATED POWER DISSIPATION, (mW) 400 0.08 300 0.06 200 0.04 100 0.02 0 0 0 10 20 30 40 50 LEAD TEMPERATURE, (°C) NOMINAL ZENER VOLTAGE, (V) FIG.3 - CAPACITANCE VS. VZ CURVE 1000 TYPICAL CAPACITANCE, (pF) 100 At zero volts 10 At - 2 volts(VR) 1 0 10 20 30 40 50 ZENER VOLTAGE, (V) Page 3 of 3 Rev. 01 : August 16, 2006