TECHNICAL DATA NPN MEDIUM POWER SILICON TRANSISTOR Qualified per MIL-PRF-19500/581 Devices Qualified Level 2N4237 2N4238 JAN JANTX JANTXV 2N4239 MAXIMUM RATINGS (TA = 250C Unless Otherwise noted) Ratings Symbol 2N4237 2N4238 2N4239 Units Collector-Emitter Voltage Collector-Base Voltage Emitter-Base Voltage Collector Current Base Current Total Power Dissipation @ TA = +250C(1) @ TC = +250C(2) Operating & Storage Temperature Range 40 50 VCEO VCBO VEBO IC IB PT Top, Tstg 60 80 6.0 1.0 0.5 1.0 6.0 -65 to +200 80 100 Vdc Vdc Vdc Adc Adc W W C TO-39* THERMAL CHARACTERISTICS Characteristics Thermal Resistance, Junction-to-Case 1) Derate linearly 5.7 mW/0C for TA > +250C 2) Derate linearly 34 mW/0C for TC > +250C Symbol Max. 29 RJC Unit C/W 0 *See appendix A for package outline ELECTRICAL CHARACTERISTICS (TA = 250C unless otherwise noted) Characteristics Symbol Min. Max. Unit OFF CHARACTERISTICS Collector-Emitter Breakdown Voltage IC = 100 mAdc 2N4237 2N4238 2N4239 Emitter-Base Cutoff Current VEB = 6.0 Vdc Collector-Emitter Cutoff Current VCE = 90 Vdc, VBE = 1.5 Vdc VCE = 50 Vdc 2N4237 VCE = 80 Vdc 2N4238 VCE = 10 Vdc 2N4239 Collector-Base Cutoff Current VCE = 50 Vdc 2N4237 VCE = 80 Vdc 2N4238 VCE = 10 Vdc 2N4239 V(BR)CEO 50 80 100 Vdc IEBO 0.5 mAdc ICEX 100 100 100 nAdc ICBO 100 100 100 nAdc 6 Lake Street, Lawrence, MA 01841 1-800-446-1158 / (978) 794-1666 / Fax: (978) 689-0803 120101 Page 1 of 2 2N4237, 4238, 4239 JAN, JANTX, JANTXV ELECTRICAL CHARACTERISTICS (con't) Characteristics Symbol Min. Max. hFE 30 30 150 Unit ON CHARACTERISTICS (3) Forward Current Transfer Ratio IC = 250 mAdc, VCE = 1.0 Vdc IC = 500 mAdc, VCE = 1.0 Vdc Collector-Emitter Saturation Voltage IC = 500 Adc, IB = 50 Adc IC = 1.0 Adc, IB = 0.1 Adc Base-Emitter Saturation Voltage IC = 500 Adc, IB = 50 Adc IC = 1.0 Adc, IB = 0.1 Adc VCE(sat) 0.3 0.6 Vdc VBE(sat) 1.0 1.5 Vdc 100 pF DYNAMIC CHARACTERISTICS Magnitude of Common Emitter Small-Signal Short Circuit Forward-Current Transfer Ratio IC = 100 mAdc, VCE = 10 Vdc, f = 10 MHz Output Capacitance VCB = 10 Vdc, IE = 0, f = 100 kHz hfe Cobo 3.0 SAFE OPERATING AREA DC Tests TC = +250C, 1 Cycle, t 0.5 s Test 1 VCE = 6.0 Vdc, IC = 1.0 Adc Test 2 VCE = 12 Vdc, IC = 500 mAdc Test 3 VCE = 30 Vdc, IC = 166 mAdc VCE = 50 Vdc, IC = 100 mAdc 2N4237 2N4238 VCE = 70 Vdc, IC = 71 mAdc 2N4239 6 Lake Street, Lawrence, MA 01841 1-800-446-1158 / (978) 794-1666 / Fax: (978) 689-0803 120101 Page 2 of 2