L7 Series 1.5 KW Voltage Limiting Diodes a a A range of high power zener and avalanche surge suppressor diodes available to BS 9305-F-080 in a hermetically sealed DO4 glass package in both unipolar and bipolar configurations. f . P surge 1.5KW; 1mS expo. P max cont 25W Vv, , 5.1 to 200V Top asta -55to + 175C Sw _f (.45") 11.5 " max 11.50 max ae nae (497) 1g! 0.28, | | max : =st ie aa me | ~ 6 1SSm ust 4.0 max (06") (.15") Case Outline SO10A (DO. 4) diam in mm (inch) Available in the following configurations Double Stud Stud Anode Anode Cathode Reverse Normal a 83 L7 Series Electrical characteristics at 25C Reverse Breakdown Voltage By @h, Max Typical Reverse Max. Clamping Temp Standoff Voltage at Peak Coet at Standoff Voltage Pulse Current of By (% per C) Ve @ max Ip (Vv) (mA) (Vv) (mA) 1] 1 o +] 4] t]t] tl] tit} +] eee epee y ais + +0.10 +0.10 tla} ai+][ +} a+}a4]4]4)4]ay eye y+ +/+] 4+ Oo 2/9] 9} a] a} a 84 Voltage Limiting Diodes. L7 Series 100 Exponential wave-form 10 Square-wave pulse 0.1Kw 100 ns 1us 10us 100us ims 10 ms Pulse Time (tp) Note: Peak power defined as peak voltage times peak current Peak power derating curve Power derating curve 00% area of operation Permissible area of operation -50 0 50 75 100 150 175C -50 Qo 50 75 100 150 175C Case Temperature Case Temperature a 85 L7 Series Code Interpretation/Ordering Information Limiter Nominal Voltage Bipol L7B10C iporar Device series | | Voltage tolerance y qT r J T A=+1% H=+2% B=+5% C=+10% D=+15% Mechanical characteristics FORWARD VOLTAGE Vf 1.5v max at If=5A Vz measured with pulse < 100yuS Turn-on time Unipolar < 10-12S Bipolar <= 5x10-S All electrical characteristics 25C unless otherwise stated. Electrical Characteristics CASE: Hermetically sealed and welded DO4 outline _FINISH: All external surfaces are corrosion resistant and terminal solderable IDENTIFICATION: Body marked with Type No., logo and zener symbol POLARITY: Indicated by direction of zener symbol | WEIGHT: 4.2 grammes approximately excluding mounting kit