BDT29B Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 80 V
• Collector-Base Voltage, max: 120 V
• Emitter-Base Voltage, max: 5 V
• Collector Current − Continuous, max: 1 A
• Collector Dissipation: 30 W
• DC Current Gain (h_fe): 40
• Transition Frequency, min: 3 MHz
• Operating and Storage Junction Temperature Range: -65 to +150 °C
• Package: TO-220

Here is an image showing the pin diagram of this transistor.The complementary PNP transistor to the BDT29B is the BDT30B.You can replace the BDT29B with the 2N6044, 2N6044G, 2N6045, 2N6045G, 2N6388, 2N6388G, 2N6530, 2N6531, 2N6532, 2N6533, 2SC1448, 2SC1624, 2SC1624-O, 2SC1624-Y, 2SC1625, 2SC1625-O, 2SC1625-Y, 2SC1827, 2SC1913, 2SC1913-P, 2SC1913-Q, 2SC1913-R, 2SC1913-S, 2SC1986, 2SC2073, 2SC2073A, 2SC2238, 2SC2238O, 2SC2238Y, 2SC2275, 2SC2275-P, 2SC2275-Q, 2SC2275-R, 2SC2275A, 2SC2275A-P, 2SC2275A-Q, 2SC2275A-R, 2SC2316, 2SC2331, 2SC2331K, 2SC2331L, 2SC2331M, 2SC2334, 2SC2334K, 2SC2334L, 2SC2334M, 2SC2344, 2SC2344D, 2SC2344E, 2SC2527, 2SC2528, 2SC3258, 2SC3258-O, 2SC3258-Y, 2SC3296, 2SC3298, 2SC3298-O, 2SC3298-Y, 2SC3308, 2SC3308-O, 2SC3308-Y, 2SC3346, 2SC3346-O, 2SC3346-Y, 2SC3540, 2SC3540-O, 2SC3540-Y, 2SC3710, 2SC3710-O, 2SC3710-Y, 2SC3710A, 2SC3710A-O, 2SC3710A-Y, 2SC3834, 2SC3851A, 2SC3852A, 2SC3944, 2SC3944-P, 2SC3944-Q, 2SC3944-R, 2SC3944-S, 2SC4007, 2SC4007-E, 2SC4007-F, 2SC4007-G, 2SC4008, 2SC4008-E, 2SC4008-F, 2SC4008-G, 2SC4153, 2SC4381, 2SC4511, 2SC4511-O, 2SC4511-P, 2SC4511-Y, 2SC4512, 2SC4512-O, 2SC4512-P, 2SC4512-Y, 2SC4883, 2SC5248, 2SC5248-D, 2SC5248-E, 2SD1138, 2SD1138B, 2SD1138C, 2SD1138D, 2SD1194, 2SD1195, 2SD1196, 2SD1264, 2SD1264-P, 2SD1264-Q, 2SD1265A-O, 2SD1265A-P, 2SD1266A, 2SD1266A-O, 2SD1266A-P, 2SD1266A-Q, 2SD1267A, 2SD1267A-P, 2SD1267A-Q, 2SD1267A-R, 2SD1268, 2SD1268-P, 2SD1268-Q, 2SD1268-R, 2SD1269, 2SD1269-P, 2SD1269-Q, 2SD1269-R, 2SD1270, 2SD1270-P, 2SD1270-Q, 2SD1270-R, 2SD1271, 2SD1271-P, 2SD1271-Q, 2SD1271-R, 2SD1272, 2SD1272-P, 2SD1272-Q, 2SD1273A, 2SD1273AO, 2SD1273AP, 2SD1273AQ, 2SD1275A, 2SD1275A-P, 2SD1275A-Q, 2SD1276A, 2SD1276A-P, 2SD1276A-Q, 2SD1277A, 2SD1277A-P, 2SD1277A-Q, 2SD1355, 2SD1355-O, 2SD1355-R, 2SD1355-Y, 2SD1356, 2SD1356-O, 2SD1356-R, 2SD1356-Y, 2SD1362, 2SD1362-O, 2SD1362-Y, 2SD1407, 2SD1407-O, 2SD1407-R, 2SD1407-Y, 2SD1407A, 2SD1407A-O, 2SD1407A-R, 2SD1407A-Y, 2SD1408, 2SD1408-O, 2SD1408-R, 2SD1408-Y, 2SD1411, 2SD1411-O, 2SD1411-Y, 2SD1411A, 2SD1411A-O, 2SD1411A-Y, 2SD1414, 2SD1415, 2SD1415A, 2SD1562, 2SD1562-D, 2SD1562-E, 2SD1562-F, 2SD1562A, 2SD1562A-D, 2SD1562A-E, 2SD1763, 2SD1763-E, 2SD1763-F, 2SD1763A, 2SD1763A-E, 2SD1763A-F, 2SD1828, 2SD1829, 2SD1830, 2SD1890, 2SD1890-P, 2SD1890-Q, 2SD1891, 2SD1891-P, 2SD1891-Q, 2SD1892, 2SD1892-P, 2SD1892-Q, 2SD2059, 2SD2059-O, 2SD2059-R, 2SD2059-Y, 2SD2060, 2SD2060-O, 2SD2060-R, 2SD2060-Y, 2SD2241, 2SD2374A, 2SD2374A-P, 2SD2374A-Q, 2SD2495, 2SD2495-O, 2SD2495-P, 2SD2495-Y, 2SD363, 2SD363-O, 2SD363-R, 2SD363-Y, 2SD389A-O, 2SD389A-P, 2SD401, 2SD401-G, 2SD401-O, 2SD401-R, 2SD401-Y, 2SD401A, 2SD401A-K, 2SD401A-L, 2SD401A-M, 2SD402, 2SD525, 2SD525-O, 2SD525-R, 2SD525-Y, 2SD526, 2SD526-O, 2SD526-R, 2SD526-Y, 2SD560, 2SD560-KB, 2SD560-LB, 2SD560-MB, 2SD569, 2SD569-K, 2SD569-L, 2SD569-M, 2SD613, 2SD613-C, 2SD613-D, 2SD613-E, 2SD613-F, 2SD633, 2SD634, 2SD743, 2SD743-Q, 2SD743-R, 2SD743-S, 2SD743A, 2SD743A-Q, 2SD743A-R, 2SD743A-S, 2SD812, 2SD812-P, 2SD812-Q, 2SD812-R, 2SD836A, 2SD836A-P, 2SD836A-Q, 2SD836A-R, 2SD837A, 2SD837A-P, 2SD837A-Q, 2SD837A-R, 2SD856A, 2SD856A-P, 2SD856A-Q, 2SD856A-R, 2SD857A, 2SD857A-P, 2SD857A-Q, 2SD857A-R, 2SD866, 2SD866-P, 2SD866-Q, 2SD866-R, 2SD866A, 2SD866A-P, 2SD866A-Q, 2SD866A-R, BD239B, BD239C, BD537, BD537K, BD539B, BD539C, BD539D, BD543B, BD543C, BD545B, BD545C, BD647, BD649, BD651, BD899, BD899A, BD901, BD937, BD937F, BD939, BD939F, BD941, BD941F, BD951, BD953, BD955, BDT29C, BDT61A, BDT61B, BDT61C, BDT63A, BDT63B, BDT63C, BDT65A, BDT65B, BDT65C, BDT83, BDT83F, BDT85, BDT85F, BDT87, BDT87F, BDW23B, BDW23C, BDW41, BDW41G, BDW42, BDW42G, BDW43, BDW53B, BDW53C, BDW53D, BDW63B, BDW63C, BDW63D, BDW73B, BDW73C, BDW73D, BDW93B, BDW93C, BDW93CF, BDX33B, BDX33BG, BDX33C, BDX33CG, BDX33D, BDX53B, BDX53BG, BDX53C, BDX53CG, BDX53D, BDX53E, BDX53F, D44H11, D44H11FP, KSB601, KSB601-O, KSB601-R, KSB601-Y, KSC2073, KSC2334, KSC2334O, KSC2334R, KSC2334Y, KSC3296, KSD1408, KSD1408-O, KSD1408-R, KSD1408-Y, KSD363, KSD363-O, KSD363-R, KSD363-Y, KSD401, KSD401-G, KSD401-Y, KSD526, KSD526-O, KSD526-R, KSD526-Y, KSD560, KSD560-O, KSD560-R, KSD560-Y, KSD569, KSD569-O, KSD569-R, KSD569-Y, KTC2018, KTC2018-O, KTC2018-Y, KTC2027, KTC2027-O, KTC2027-Y, KTC2028, KTC2028O, KTC2028Y, KTC2238, KTC2238O, KTC2238Y, KTC4370, KTC4370O, KTC4370Y, KTD2059, KTD2059O, KTD2059R, KTD2059Y, KTD2060, KTD2060O, KTD2060R, KTD2060Y, MJE15028, MJE15028G, MJE15030, MJE15030G, MJE802T, MJE803T, MJF122, MJF122G, MJF15030, MJF15030G, MJF6388, MJF6388G, NTE152, NTE375, TIP101, TIP101G, TIP102, TIP102G, TIP111, TIP111G, TIP112, TIP112G, TIP121, TIP121G, TIP122, TIP122G, TIP131, TIP131G, TIP132, TIP132G, TIP141T, TIP142T, TTC3710B or TTD1415B.